PUBLICATIONS

Journal Publications

[76] Seonhoon Lee, Dooyoung Hong, Jaemin Kim, Donkyu Baek, Naehyuck Chang, “Congestion-Aware Multi-Drone Delivery Routing Framework,” IEEE Trans. on Vehicular Technology, Vol 71, Issue 9, pp. 9384-9396, 2022.

[75] Dooyoung Hong, Seonhoon Lee, Young Hoo Cho, Donkyu Baek, Jaemin Kim, Naehyuck Chang, “Energy-Efficient Online Path Planning of Multiple Drones Using Reinforcement Learning,” IEEE Trans. on Vehicular Technology, Vol 70, Issue 10, pp. 9725-9740, 2021.

[74] Jaemin Kim, Naehyuck Chang, Donghwa Shin, “Mobile GPS Application Design Based on System-Level Power and Battery Status Estimation,” Energies, Vol 13, Issue 17, pp. 5333, 2021.

[73] Young Hoo Cho, Jaehyun Park, Naehyuck Chang, and Jaemin Kim, “Comparison of cooling methods for a thermoelectric generator with forced convection,” Energies, Vol 13, Issue 12, pp. 3185, 2022.

[72] Donkyu Baek, Yukai Chen, Naehyuck Chang, Enrico Macii, and Massimo Poncino, "Battery-aware electric truck delivery route exploration,” Energies, Vol 13, Issue 8, pp. 2096, 2022.

[71] Donkyu Baek, Yukai Chen, Naehyuck Chang, Enrico Macii, and Massimo Poncino, “Optimal battery sizing for electric truck delivery,” Energies, Vol 13, Issue 3, pp. 709, 2022

[70] Dooyoung Hong, Seonhoon Lee, Young Hoo Cho, Donkyu Baek, Jaemin Kim, Naehyuck Chang, “Least-Energy Path Planning with Building Accurate Power Consumption Model of Rotary Unmanned Aerial Vehicle,” IEEE Trans. on Vehicular Technology, Vol. 69, Issue 12, pp. 14803—14817, 2020.

[69] Alma Pröbstl, Bashima Islam, Shahriar Nirjon, Naehyuck Chang, Samarjit Chakraborty, “Intelligent Chargers Will Make Mobile Devices Live Longer,” IEEE Design and Test, Vol. 37, Issue 5, pp. 42—49, 2020.

[68] Fang Su, Yongpan Liu, Xiao Sheng, Hyung Gyu Lee, Naehyuck Chang, Huazhong Yang, “A Task Failure Rate Aware Dual-Channel Solar Power System for Nonvolatile Sensor Nodes,” in ACM Trans. Embedded Computing Systems, Vol. 18, Issue 4, pp. 33:1-33:21, 2019.

[67] Donkyu Baek, Yukai Chen, Alberto Bocca, Lorenzo Bottaccioli, Santa Di Cataldo, Valentina Gatteschi, Daniele Jahier Pagliari, Edoardo Patti, Gianvito Urgese, Naehyuck Chang, Alberto Macii, Enrico Macii, Paolo Montuschi, and Massimo Poncino, “Battery-Aware Operation Range Estimation for Terrestrial and Aerial Electric Vehicles,” in IEEE Transactions on Vehicular Technology, Vol. 68, Issue 6, pp. 5471-5482, 2019.

[66] Yukai Chen, Donkyu Baek, Jaemin Kim, Santa Di Cataldo, Naehyuck Chang, Enrico Macii, Sara Vinco, and Massimo Poncino, “A SystemC-AMS Framework for the Design and Simulation of Energy Management in Electric Vehicles,” in IEEE Access, Vol. 7, pp. 25779-25791, 2019.

[65] Donkyu Baek, Hyung Gyu Lee, and Naehyuck Chang, “SmartPatch: A Self-Powered and Patchable Cumulative UV Irradiance Meter,” in IEEE Design & Test of Computers, Vol. 36, Issue 1, pp. 57-64, 2019.

[64] Donkyu Baek, Naehyuck Chang, and Jaemin Kim, “Build Your Own EV: A Rapid Energy-Aware Synthesis of Electric Vehicles,” IEEE Design & Test of Computers, Vol, 36, Issue 1, pp. 40-47, 2019.

[63] Donkyu Baek and Naehyuck Chang, “Runtime Power Management of Battery Electric Vehicles for Extended Range With Consideration of Driving Time,” IEEE Transactions on Very Large Scale Integrated Systems, Vol. 27, Issue 3, pp. 549-559, 2019.

[62] Han Zhou, Zeyu Sun, Sheriff Sadiqbatcha, Naehyuck Chang, and Sheldon X.-D. Tan, “EM-Aware and Lifetime-Constrained Optimization for Multisegment Power Grid Networks,” IEEE Transactions on Very Large Scale Integrated Systems, Vol. 27, Issue 4, pp. 940-953, 2019.

[61] Naehyuck Chang, Mohammad Al Faruque, Zili Shao, Chun Jason Xue, Yiran Chen, and Donkyu Baek, “Survey of Low-Power Electric Vehicles: A Design Automation Perspective,” in IEEE Design & Test of Computers, Vol. 35, Issue 6, pp. 44-70, 2018.

[60] Jaemin Kim, Donkyu Baek, Caiwen Ding, Donghwa Shin, Young Hoo Cho, Sang Hyun Park, and Naehyuck Chang, “Dynamic Reconfiguration of Thermoelectric Generators for Vehicle Radiators Energy Harvesting under Location-Dependent Temperature Variations,” in IEEE Transactions on Very Large Scale Integrated Systems, Vol. 27, Issue 7, pp. 1241-1253, 2018.

[59] Jaemin Kim, Donghwa Shin, Nam Ik Cho, Byunghee Kang, and Naehyuck Chang, “Aging Management using a Reconfigurable Switch Network for Arrays of Non-Ideal Power Cells, in IEEE Transactions on Very Large Scale Integrated Systems,” Vol. 26, Issue 5, pp. 855-866, 2018.

[58] Donkyu Baek, Naehyuck Chang and Donghwa Shin, “Compressed On-Chip Framebuffer Cache for Low-Power Display Systems,” in IEEE Transactions on Very Large Scale Integrated Systems, Vol. 25, Issue 4, pp. 1215-1223, 2017.

[57] Yang Xiao, Siddharth Advani, Donghwa Shin, Naehyuck Chang, Jack Sampson, Vijaykrishnan Narayanan, “A Saliency-Driven LCD Power Management System,” in IEEE Transactions on Very Large Scale Integrated Systems, Vol. 24, Issue 8, pp. 2689-2702, 2016.

[56] Di Zhu, Siyu Yue, Naehyuck Chang, Massoud Pedram, “Toward a Profitable Grid-Connected Hybrid Electrical Energy Storage System for Residential Use,” in IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), Vol. 35, Issue 7, pp. 1151-1164, 2016.

[55] Qing Xie, Donghwa Shin, Naehyuck Chang, Massoud Pedram, “Joint Charge and Thermal Management for Batteries in Portable Systems With Hybrid Power Sources,” in IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD). Vol. 35, Issue 4, pp. 611-622, 2016.

[54] Yiqun Wang, Yongpan Liu, Cong Wang, Zewei Li, Xiao Sheng, Hyung Gyu Lee, Naehyuck Chang, Huazhong Yang, “Storage-less and Converter-less photovoltaic Energy Harvesting with maximum power point tracking for internet of things,” in IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), Vol. 35, Issue 2, pp. 173-186, 2016.

[53] Xue Lin, Yanzhi Wang, Naehyuck Chang and Massoud Pedram, "Concurrent Task Scheduling and Dynamic Voltage and Frequency Scaling in a Real-Time Embedded System with Energy Harvesting," in IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), 2016.

[52] Dongwha Shin, Kyungsoo Lee, and Naehyuck Chang, "Fuel economy analysis of fuel cell and supercapacitor hybrid systems," in International Journal of Hydrogen Energy (JHE), Vol. 41, No. 3, pp. 1381–1390, 2016. 

[51] Ye-Jyun Lin, Chia-Lin Yang, Jiao-We Huang, Tay-Jyi Lin, Chih-Wen Hsueh, Naehyuck Chang, “System-level performance and power optimization for MPSoC: a memory access-aware approach,” in ACM Transactions on Embedded Computing Systems (TECS), Vol. 14, Issue 1, 2015.

[50] Donghwa Shin, Massimo Poncino, Enrico Macii, Naehyuck Chang, "Statistical Model-based Cell-to-Cell Variability Management of Li-ion Battery Pack," in IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), Vol. 34, No. 2, pp. 252-265, 2015. 

[49] Yanzhi Wang, Xue Lin, Younghyun Kim, Qing Xie, Massoud Pedram and Naehyuck Chang, "Single-Source, Single-Destination Charge Migration in Hybrid Electrical Energy Storage Systems," in IEEE Transactions on Very Large Scale Integration Systems (TVLSI), Vol. 22, No. 12, pp. 2752-2765, 2014. 

[48] Jaehyun Park, Donghwa Shin, Naehyuck Chang, Hyung Gyu Lee, “Accelerating Memory Access with Address Phase Skipping in LPDDR2-NVM,” in Journal of Semiconductor Technology and Science, Vol. 14, Issue 6, pp. 741-749, 2014.

[47] Qing Xie, Younghyun Kim, Yanzhi Wang, Jaemin Kim, Naehyuck Chang, and Massoud Pedram, “Principles and Efficient Implementation of Charge Replacement in Hybrid Electrical Energy Storage Systems,” in IEEE Transactions on Power Electronics, Vol. 29, No. 11, pp. 6110-6123, 2014.

[46] Xue Lin, Yanzhi Wang, Massoud Pedram, Jaemin Kim and Naehyuck Chang, “Designing Fault-Tolerant Photovoltaic Systems,” in IEEE Design & Test of Computers (D&T), Vol. 31, No. 3, pp. 76-84, Jun., 2014.

[45] Yanzhi Wang, Xue Lin, Younghyun Kim, Naehyuck Chang and Massoud Pedram, "Architecture and Control Algorithms for Combating Partial Shading in Photovoltaic Systems," in IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), Vol. 33, No. 6, pp. 917-930, Jun., 2014.

[44] Younghyun Kim, Bumkyu Koh, Qing Xie, Yanzhi Wang, Naehyuck Chang and Massoud Pedram, "A scalable and flexible hybrid energy storage system design and implementation," in Journal of Power Sources (JPS), Vol. 255, pp. 410–422, Jun., 2014.

[43] Woojoo Lee, Yanzhi Wang, Donghwa Shin, Naehyuck Chang and Massoud Pedram, "Optimizing the Power Delivery Network in a Smartphone Platform," in IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), Vol. 33, pp. 36-49, 2014.

[42] Younghyun Kim, Yanzhi Wang, Naehyuck Chang and Massoud Pedram, “Computer-Aided Design and Optimization of Hybrid Energy Storage Systems,” in Foundations and Trends in Electronic Design Automation (FnTEDA), Vol. 7, No. 4, pp. 247–338, Sep., 2013.

[41] Donghwa Shin, Younghyun Kim, Massoud Pedram and Naehyuck Chang, “Dynamic Driver Supply Voltage Scaling for Organic Light Emitting Diode Displays,” in IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), Vol. 32, No. 7, pp. 1017–1030, Jul., 2013.

[40] Qing Xie, Yanzhi Wang, Younghyun Kim, Massoud Pedram and Naehyuck Chang, “Charge Allocation for Hybrid Electrical Energy Storage Systems,” in IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), Vol. 32, No. 7, pp. 1003–1016, 2013.

[39] Sangyoung Park, Jaehyun Park, Donghwa Shin, Yanzhi Wang, Qing Xie, Naehyuck Chang and Massoud Pedram, “Accurate Modeling of the Delay and Energy Overhead of Dynamic Voltage and Frequency Scaling in Modern Microprocessors,” in IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), Vol. 32, No. 5, pp. 695–708, May, 2013.

[38] Hyung Beom Jang, Jinhang Choi, Ikroh Yoon, Sung-Soo Lim, Seungwon Shin, Naehyuck Chang and Sung Woo Chung, “Exploiting Application/System-Dependent Ambient Temperature for Accurate Microarchitectural Simulation,” in IEEE Transactions on Computers, Vol. 62, No.4, pp. 705–715, Apr., 2013.

[37] Sangyoung Park, Younghyun Kim, Jaehyun Park, and Naehyuck Chang “Power Converter-Aware Design of Electronics Systems,” in IPSJ Transactions on System LSI Design Methodology (TSLDM), Vol. 6, pp. 2–16, Feb., 2013.

[36] Younghyun Kim, Woojoo Lee, Massoud Pedram, and Naehyuck Chang “Dual-Mode Power Regulator for Photovoltaic Module Emulation,” in Applied Energy, Vol. 101, pp. 730–739, Jan., 2013.

[35] Donghwa Shin, Jaehyun Park, Younghyun Kim, Jaeam Seo and Naehyuck Chang, “Control-Theoretic Cyber Physical System Modeling and Synthesis: A Case Study of an Active DMFC,” in ACM Transactions on Embedded Computing Systems (TECS), Vol. 11, No. 4, pp. 76:1–76:24, Dec., 2012.

[34] Donghwa Shin, Younghyun Kim, Yanzhi Wang, Naehyuck Chang and Massoud Pedram, “Constant-Current Regulator- Based Battery-Supercapacitor Hybrid Architecture for High-Rate Pulsed Load Applications,” in Journal of Power Sources (JPS), Vol. 205, pp. 516–524, May, 2012.

[33] Younghyun Kim, Sangyoung Park, Youngjin Cho and Naehyuck Chang, “System-Level Online Power Estimation using an On-Chip Bus Performance Monitoring Unit,” in IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), Vol. 30, No. 11, pp. 1585–1598, Nov., 2011.

[32] Sangyoung Park, Soohee Han and Naehyuck Chang, “Control-Theoretic Dynamic Thermal Management of Automotive Electronics Control Units,” in IEEE Journal on Emerging and Selected Topics in Circuits and Systems (JETCAS), Vol. 1, No. 2, pp. 102–108, Jun., 2011.

[31] Kyungil Seo, Taeyoung Chung, Hyundong Heo, Kyongsu Yi and Naehyuck Chang, “An Investigation into Multi-Core Architectures to Improve a Processing Performance of the Unified Chassis Control Algorithms,” in SAE International Journal of Passenger Cars - Electronic and Electrical Systems, Vol. 3, No. 1, pp. 53–62, Apr., 2010.

[30] Donghwa Shin, Sung Woo Chung, Eui-Young Chung and Naehyuck Chang, “Energy-Optimal Dynamic Thermal Management: Computation and Cooling Power Co-Optimization,” in IEEE Transactions on Industrial Informatics (TII), Vol. 6, No.3, pp. 340–351, Aug., 2010.

[29] Younghyun Kim, Donghwa Shin, Jueun Seo, Naehyuck Chang, Hyejung Cho, Youngjae Kim and Seongkee Yoon, “System Integration of a Portable Direct Methanol Fuel Cell and a Battery Hybrid,” Journal of Hydrogen Energy, Vol. 35, No. 11, pp. 5621–5637, Jun., 2010.

[28] Kyungil Seo, Jangyeol Yoon, Jihun Kim, Taeyoung Chung, Kyongsu Yi and Naehyuck Chang, “Coordinated Implementation and Processing of a Unified Chassis Control Algorithm with Multi-CPU,” in Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, Vol. 224, No. 5, pp. 565–586, 2010.

[27] Jianli Zhuo, Chaitali Chakrabarti, Kyungsoo Lee, Naehyuck Chang and Sarma Vrudhula, “Maximizing the Lifetime of Embedded Systems Powered by Fuel Cell-Battery Hybrids,” in IEEE Transactions on Very Large Scale Integration Systems (TVLSI) Special Section on Low-Power Electronics and Design, Vol. 17, No. 1, pp. 22–32, January, 2009.

[26] Yongsoo Joo, Yongseok Choi, Jaehyun Park, Chanik Park, Sung Woo Chung, Eui-Young Chung and Naehyuck Chang, “Energy and Performance Optimization of Demand Paging with OneNAND Flash,” in IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), Vol. 27, No. 11, pp. 1969–1982, November, 2008.

[25] Yongsoo Joo, Youngjin Cho, Donghwa Shin, Jaehyun Park and Naehyuck Chang, “An Energy Characterization Platform for Memory Devices and Energy-Aware Data Compression for Multi-Level Cell Flash Memory,” in ACM Transactions on Design Automation of Electronic Systems (TODAES), Vol. 13, No. 3, Jul., 2008.

[24] Kyungsoo Lee, Naehyuck Chang, Jianli Zhuo, Chaitali Chakrabarti, Sudheendra Kadri and Sarma Vrudhula,“A Fuel-Cell- Battery Hybrid for Portable Embedded Systems,” in ACM Transactions on Design Automation of Electronic Systems (TODAES), Vol. 13, No. 1, Article 19, January, 2008.

[23] Hyung Gyu Lee, Naehyuck Chang, Umit Y. Ogras and Radu Marculescu, “On-chip Communication Architecture Exploration: A Quantitative Evaluation of Point-to-Point, Bus and Network-on-Chip Approaches,” in ACM Transactions on Design Automation of Electronic Systems (TODAES), Vol. 12, No. 3, Article 23, Aug., 2007.

[22] Yongseok Choi, Naehyuck Chang and Taewhan Kim, “DC-DC Converter-Aware Power Management for Low-Power Embedded Systems,” in IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TODAES), Vol. 26, No. 8, pp. 1367–1381, Aug., 2007.

[21] Youngjin Cho and Naehyuck Chang, “Energy-Aware Clock Frequency Assignment in Microprocessors and Memory Devices for Dynamic Voltage Scaling,” in IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), Vol. 26, Issue 6, pp. 1030–1040, 2007.

[20] Hyung Gyu Lee and Naehyuck Chang, “Low-Energy Heterogeneous Non-volatile Memory Systems for Mobile Systems,” in Journal of Low Power Electronics, Vol. 1, No. 1, pp. 52–62, Apr., 2005.

[19] Hyung Gyu Lee, Kyungsoo Lee, Yongseok Choi and Naehyuck Chang, “Cycle-Accurate Energy Measurement and Characterization of FPGAs,” in Analog Integrated Circuits and Signal Processing, Vol. 42, pp. 239–251, 2005 (Invited).

[18] Ikhwan Lee, Yongseok Choi, Youngjin Cho, Yongsoo Joo, Hyeonmin Lim, Hyung Gyu Lee, Hojun Shim and Naehyuck Chang, “Web-based energy exploration tool for embedded systems,”in IEEE Design & Test of Computers, Vol. 21, Issue 6, pp. 572–586, Nov.–Dec, 2004.

[17] Hojun Shim, Naehyuck Chang and Massoud Pedram, “A Backlight Power Management Framework for Battery-Operated Multimedia Systems,” in IEEE Design & Test of Computers,Special Issue on Embedded Systems for Real-Time Multimedia, pp. 2–10, Sep.–Oct., 2004.

[16] Naehyuck Chang, Inseok Choi, and Hojun Shim, “DLS: Dynamic Backlight Luminance Scaling of Liquid Crystal Display,” in IEEE Transactions on Very Large Scale Integration Systems (TVLSI), Vol. 3, Issue 8, pp. 837–846, Aug., 2004.

[15] Hojun Shim, Yongsoo Joo, Yongseok Choi, Hyung Gyu Lee and Naehyuck Chang, “Low-Energy Off-Chip SDRAM Memory Systems for Embedded Applications,” in ACM Transactions on Embedded Computing Systems (TECS] Special Issue on Memory Systems, Vol. 2, Issue 1, pp. 98–130, Feb., 2003.

[14] Dongkun Shin, Hojun Shim, Yongsoo Joo, Han-Same Yun, Jihong Kim and Naehyuck Chang, “SES: A highly integrated energy monitoring tool for low-power embedded programs,” in IEEE Design & Test of Computers, pp. 7–17, Jul.–Aug., 2002.

[13] Naehyuck Chang, Kwanho Kim, and Hyun Gyu Lee, “Cycle-accurate energy measurement and characterization with a case study of the ARM7TDMI,” in IEEE Transactions on Very Large Scale Integration Systems (TVLSI), Vol. 10, pp. 146 - 154, Apr., 2002.

[12] Naehyuck Chang and Kwanho Kim, “Real-time per-cycle energy consumption measurement of digital systems,” in IEE Electronics Letters, Vol. 36, No. 13, pp. 1169–1171, Jun., 2000.

[11] Taewoong Kim, Namyun Kim, Heonshik Shin and Naehyuck Chang, “Burst mode bandwidth allocation for real-time messages in IEEE 802.12 networks,” in Real-Time Systems, Vol. 25 Issue 2–3, pp. 207–229, Sep.–Oct., 2003.

[10] Seungkweon Jeong, Naehyuck Chang and Wook Hyun Kwon, “Response time driven scheduling for programmable logic controllers with network-based I/O systems,” in Real-Time Systems, Vol. 25, Issue 1, pp. 67–91, 2003.

[9] Minyoung Sung, Soyoung Kim, Sangsoo Park, Naehyuck Chang, and Heonshik Shin, “Comparative performance evaluation of Java threads for embedded applications: Linux Thread vs. Green Thread ,” in Information Processing Letters, Vol. 84, No. 4, pp. 221–225, 2002.

[8] Minyoung Sung, Naehyuck Chang, Jinsung Cho and Heonshik Shin, “Performance analysis of BusNet protocol for backplane bus-based interprocessor communication,” in Computer Communications, Vol. 24 , no. 15–16, pp. 1580– 1590, Sep., 2001.

[7] Taehyoun Kim, Naehyuck Chang and Heonshik Shin, “Joint scheduling of garbage collector and hard real-time tasks for embedded applications,” in Journal of Systems and Software, Vol. 58, no. 3, pp. 245–258, Sep., 2001.

[6] Taehyoun Kim, Naehyuck Chang, Namyun Kim and Heonshik Shin, “Scheduling Garbage Collector for Embedded Real-Time Systems,” in ACM Transactions on SIGPLAN Notices, pp. 55–65, Jul., 1999.

[5] Kyeonghoon Koo, Gab Seon Rho, Wook Hyun Kwon, Jae-Hyun Park and Naehyuck Chang, “Architectural design of a RISC processor for programmable logic controllers,” in Journal of Systems Architecture (JSA), Vol. 44, pp. 311–325, 1998.

[4] Naehyuck Chang, Wook Hyun Kwon and Jaehyun Park, “Hardware implementation of high speed Petri net-based controllers,” in IFAC Control Engineering Practice (CEP), Vol. 6, pp. 889–895, 1998.

[3] Gab Seon Rho, Kyeonghoon Koo, Naehyuck Chang, Jaehyun Park, Y.K.Kim and Wook Hyun Kwon, “Implementation of a RISC microprocessor for programmable logic controllers,” in Microprocessors and Microsystems (MICPRO), Vol. 19, pp. 599–608, Dec., 1995.

[2] Naehyuck Chang, Jaehyun Park and Wook Hyun Kwon, “Petri nets based superscalar computing in programmable controllers,” in IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences (ECCS), Vol. E78-A, pp. 1511–1518, 1995.

[1] Jaehyun Park, Naehyuck Chang and Wook Hyun Kwon, “Implementation of parallel algorithm for event driven programmable controllers,” in IFAC Control Engineering Practice (CEP), Vol. 1, pp. 663–670, Aug., 1993.

Conference Publications

[145] Donkyu Baek, Yukai Chen, Naehyuck Chang, Enrico Macii, and Massimo Poncino, “Energy-Efficient Coordinated Electric Truck-Drone Hybrid Delivery Service Planning,” 2020 AEIT International Conference of Electrical and Electronic Technologies for Automotive (AEIT AUTOMOTIVE), pp. 1-6, 2022.

[144] Donkyu Baek, Yukai Chen, Enrico Macii, Massimo Poncino, Naehyuck Chang, “Battery-Aware Electric Truck Delivery Route Planner,” Proceedings of International Symposium on Low Power Electronics and Design (ISLPED), 2019.

[143] Mengshu Sun, Pu Zhao, Yanzhi Wang, Naehyuck Chang, Xue Lin, “HSIM-DNN: Hardware Simulator for Computation-, Storage- and Power-Efficient Deep Neural Networks,” in Proceedings of ACM Great Lakes Symposium on VLSI, pp. 81-86, 2019

[142] Pu Zhao, Yanzhi Wang, Naehyuck Chang, Qi Zhu, Xue Lin, “A deep reinforcement learning framework for optimizing fuel economy of hybrid electric vehicles,” Proceedings of Asia and South Pacific Design Automation and Conference (ASP-DAC), pp. 196-202, 2018.

[141] Hanchen Yang, Feiyang Kang, Caiwen Ding, Ji Li, Jaemin Kim, Donkyu Baek, Shahin Nazarian, Xue Lin, Paul Bogdan, Naehyuck Chang, “Prediction-based fast thermoelectric generator reconfiguration for energy harvesting from vehicle radiators,” in Proceedings of Design and Test in Europe (DATE), pp. 877-880, 2018.

[140] Pu Zhao, Yanzhi Wang, Naehyuck Chang, Qi Zhu, Xue Lin, “A deep reinforcement learning framework for optimizing fuel economy of hybrid electric vehicles,” in Proceedings of Asia and South Pacific Design Automation and Conference (ASP-DAC), 2018.

[139] Caiwen Ding, Ji Li, Weiwei Zheng, Naehyuck Chang, Xue Lin, Yanzhi Wang, “Algorithm accelerations for luminescent solar concentrator-enhanced reconfigurable onboard photovoltaic system," ASP-DAC 2017.

[138] Donkyu Baek, Caiwen Ding, Sheng Lin, Donghwa Shin, Jaemin Kim, Xue Lin, Yanzhi Wang, and Naehyuck Chang, “Reconfigurable Thermoelectric Generators for Vehicle Radiators Energy Harvesting,” in Proceedings of International Symposium on Low Power Electronics and Design (ISLPED), 2017.

[137] Caiwen Ding, Ji Li, Weiwei Zheng, Naehyuck Chang, Xue Lin, Yanzhi Wang, “Algorithm Accelerations for Luminescent Solar Concentrator-Enhanced Reconfigurable Onboard Photovoltaic System,” in Proceedings of Asia and South Pacific Design Automation and Conference (ASP-DAC), 2017.

[136] Joonki Hong, Sangjun Park, Naehyuck Chang, "Accurate Remaining Range Estimation for Electric Vehicles," in Proceedings of Asia and South Pacific Design Automation and Conference (ASP-DAC), pp. 781 - 786, 2016.

[135] Donkyu Baek, Joonki Hong, Naehyuck Chang, “Minimum-energy driving speed profiles for low-speed electric vehicles,” In Proceedings of Asia and South Pacific Design Automation Conference (ASP-DAC), pp. 435-435, 2016.

[134] Donghwa Shin, Naehyuck Chang, Yanzhi Wang, Massoud Pedram, “Reconfigurable three dimensional photovoltaic panel architecture for solar-powered time extension,” In Proceedings of International Symposium on Low Power Electronics and Design (ISLPED), pp. 273-278, 2015.

[133] Xue Lin, Yanzhi Wang, Paul Bogdan, Naehyuck Chang, Massoud Pedram, “Optimizing fuel economy of hybrid electric vehicles using a Markov decision process model,“In Proceedings of 2015 IEEE Intelligent Vehicles Symposium (IV), pp. 718-723, 2015.

[132] Xue Lin, Paul Bogdan, Naehyuck Chang, Massoud Pedram, "Machine Learning-Based Energy Management in a Hybrid Electric Vehicle to Minimize Total Operating Cost,” in Proceedings of the International Conference on Computer Aided Design (ICCAD), 2015.

[131] Yanzhi Wang, Xue Lin, Naehyuck Chang, Massoud Pedram, “Joint Automatic Control of the Powertrain and Auxiliary Systems to Enhance the Electromobility in Hybrid Electric Vehicles,” in Proceedings of Design Automation Conference (DAC), Jun, 2015.

[130] Xue Lin, Yanzhi Wang, Massoud Pedram, Jaemin Kim, and Naehyuck Chang, "Event-driven and sensorless photovoltaic system reconfiguration for electric vehicles," in Proceedings of Design Automation and Test in Europe (DATE), Mar., 2015.

[129] Qing Xie, Younghyun Kim, Donkyu Baek, Yanzhi Wang, Massoud Pedram, and Naehyuck Chang, "Efficiency-driven design time optimization of a hybrid energy storage system with networked charge transfer interconnect," in Proceedings of Design Automation and Test in Europe (DATE), Mar., 2015.

[128] Hyung Gyu Lee and Naehyuck Chang, "Powering the IoT: Storage-Less and Converter-Less Energy Harvesting," in Proceedings of Asia and South Pacific Design Automation and Conference (ASP-DAC), Jan., 2015.

[127] Naehyuck Chang, Donkyu Baek and Jeongmin Hong, "Power Consumption Characterization, Modeling and Estimation of Electric Vehicles," in IEEE/ACM International Conference on Computer-Aided Design (ICCAD), Nov., 2014.

[126] Tianshu Wei, Taeyoung Kim, Sangyoung Park, Qi Zhu, Sheldon X. D. Tan, Naehyuck Chang, Sadrul Ula, and Mehdi Maasoumy, "Battery Management and Application for Energy-Efficient Buildings," in Proceedings of the IEEE/ACM Design Automation Conference (DAC), Jun., 2014.

[125] Xue Lin, Yanzhi Wang, Paul Bogdan, Naehyuck Chang, and Massoud Pedram, "Reinforcement Learning Based Power Management for Hybrid Electric Vehicles," in Proceedings of the International Conference on Computer Aided Design (ICCAD), Nov., 2014.

[124] Xue Lin, Yanzhi Wang, Naehyuck Chang, and Massoud Pedram, "Power supply and consumption co-optimization of portable embedded systems with hybrid power supply," in Proceedings of the International Conference on Computer Design (ICCD), Oct., 2014.

[123] Siyu Yue, Yanzhi Wang, Qing Xie, Massoud Pedram, and Naehyuck Chang, "Model-free learning-based online management of hybrid electrical energy storage systems in electric vehicles," in Proceedings of Annual Conference of the IEEE Industrial Electronics society (IECON), Oct., 2014.

[121] Di Zhu, Siyu Yue, Yanzhi Wang, Naehyuck Chang, and Massoud Pedram, "Cost-efficient design of a hybrid electrical energy storage system for electric vehicles," in Proceedings of International Conference on Hardware/Software Codesign and System Synthesis (CODES+ISSS), Oct., 2014.

[120] Jaemin. Kim, Donkyu Baek, Jeongmin Hong and Naehyuck Chang, "Partially Solar Powered Full Electric Vehicles," in Proceedings of Midwest Symposium on Circuits and Systems (MWSCAS), Aug., 2014.

[119] Yanzhi Wang, Xue Lin, M. Pedram, and Naehyuck Chang, "Online fault detection and fault tolerance in electrical energy storage systems," in Proceedings of Power and Energy Society General Meeting (PESGM), Jul., 2014.

[118] Xue Lin, Yanzhi Wang, Massoud Pedram, and Naehyuck Chang, "Optimal switch configuration design for reconfigurable photovoltaic modules," in Proceedings of Power and Energy Society General Meeting (PESGM), Jul., 2014.

[117] Jaemin Kim, Yanzhi Wang, Massoud Pedram and Naehyuck Chang, "Fast Photovoltaic Array Reconfiguration for Partial Solar Powered Vehicles," in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), Aug., 2014. 

[116] Jaemin Kim, Alma Pröbstl, Samarjit Chakraborty and Naehyuck Chang, "Aging Mitigation of Power Supply-Connected Batteries," in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), Aug., 2014. 

[115] Yanzhi Wang, Xue Lin, Qing Xie, Naehyuck Chang and Massoud Pedram, "Minimizing State-of-Health Degradation in Hybrid Electrical Energy Storage Systems with Arbitrary Source and Load Profiles," in Proceedings of Design Automation and Test in Europe (DATE), Dresden, Germany, Mar., 2014.

[114] Di Zhu, Yanzhi Wang, Naehyuck Chang and Massoud Pedram, "Optimal Design and Management of a Smart Residential PV and Energy Storage System," in Proceedings of Design Automation and Test in Europe (DATE), Dresden, Germany, Mar., 2014.

[113] Kitae Kim, Donghwa Shin, Qing Xie, Yanzhi Wang, Massoud Pedram and Naehyuck Chang, "FEPMA: Fine-Grained Event-Driven Power Meter for Android Smartphones Based on Device Driver Layer Event Monitoring," in Proceedings of Design Automation and Test in Europe (DATE), Dresden, Germany, Mar., 2014. 

[112] Cong Wang, Naehyuck Chang, Younghyun Kim, Sangyoung Park, Yongpan Liu, Hyunggyu Lee, Rong Luo and Huazhong Yang, “Storage-less and Converter-less Maximum Power Point Tracking of Photovoltaic Cells for a Nonvolatile Microprocessor,” in Proceedings of Asia South Pacific Design Automation Conference (ASP-DAC), Jan., 2014.

[111] Younghyun Kim, Donghwa Shin, Massimo Petricca, Sangyoung Park, Massimo Poncino and Naehyuck Chang, “Computer-Aided Design of Electrical Energy Systems,” in Proceedings of the IEEE/ACM International Conference on Computer-Aided Design (ICCAD), Nov., 2013.

[110] Qing Xie, Jaemin Kim, Yanzhi Wang, Donghwa Shin, Naehyuck Chang and Massoud Pedram, “Dynamic Thermal Management in Mobile Devices Considering the Thermal Coupling between Battery and Application Processor,” in Proceedings of the IEEE/ACM International Conference on Computer-Aided Design (ICCAD), Nov., 2013.

[109] Di Zhu, Siyu Yue, Yanzhi Wang, Younghyun Kim, Naehyuck Chang and Massoud Pedram, “Designing a Residential Hybrid Electrical Energy Storage System Based on the Energy Buffering Strategy,” in Proceedings of the International Conference on Hardware/Software Codesign and System Synthesis (CODES+ISSS), Oct., 2013.

[108] Siyu Yue, Di Zhu, Yanzhi Wang, Younghyun Kim, Naehyuck Chang and Massoud Pedram, “SIMES: A Simulator for Hybrid Electrical Energy Storage Systems,” in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), pp. 33–38, Sep., 2013.

[107] Xue Lin, Yanzhi Wang, Siyu Yue, Naehyuck Chang and Massoud Pedram, “A Framework of Concurrent Task Scheduling and Dynamic Voltage and Frequency Scaling in Real-Time Embedded Systems with Energy Harvesting,” in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), pp. 70–75, Sep., 2013.

[106] Donghwa Shin, Massimo Poncino, Enrico Macii and Naehyuck Chang, “A Statistical Model of Cell-to-Cell Variation in Li-Ion Batteries for System-Level Design,” in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), pp. 94–99, Sep., 2013.

[105] Sangyoung Park, Bumkyu Koh, Yanzhi Wang, Jaemin Kim, Younghyun Kim, Massoud Pedram and Naehyuck Chang, “Maximum Power Transfer Tracking in a Solar USB Charger for Smartphone,” in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), pp. 88–93, Sep., 2013.

[104] Sangyoung Park, Younghyun Kim and Naehyuck Chang, “Hybrid Energy Storage Systems and Battery Management for Electric Vehicles,” in Proceedings of the Design Automation Conference (DAC), pp. 97:1–97:6, Jun., 2013.

[103] Yang Xiao, Kevin Irick, Vijaykrishnan Narayanan, Donghwa Shin and Naehyuck Chang, “Saliency aware display power management,” in Proceedings of Design Automation and Test in Europe (DATE), pp. 1203–1208, Mar., 2013.

[102] Qing Xie, Siyu Yue, Donghwa Shin, Naehyuck Chang and Massoud Pedram, “Adaptive Thermal Management for Portable System Batteries by Forced Convection Cooling,” in Proceedings of Design Automation and Test in Europe (DATE), pp. 1225–1228, Mar., 2013.

[101] Yanzhi Wang, Xue Lin, Jaemin Kim, Naehyuck Chang and Massoud Pedram, “Capital Cost-Aware Design and Partial Shading-Aware Architecture Optimization of a Reconfigurable Photovoltaic System,” in Proceedings of Design Automation and Test in Europe (DATE), pp. 909–912, Mar., 2013.

[100] Yanzhi Wang, Xue Lin, Sangyoung Park, Naehyuck Chang and Massoud Pedram, “Optimal Control of a Household Grid-Connected Hybrid Electrical Energy Storage System,” in Proceedings of Design Automation and Test in Europe (DATE), pp. 881–886, Mar., 2013.

[99] Donghwa Shin, Woojoo Lee, Kitae Kim, Yanzhi Wang, Qing Xie, Massoud Pedram and Naehyuck Chang, “Online Estimation of the Remaining Energy Capacity in Mobile Systems Considering System-Wide Power Consumption and Battery Characteristics,” in Proceedings of Asia South Pacific Design Automation Conference (ASP-DAC), pp. 59–64, Jan., 2013.

[98] Di Zhu, Yanzhi Wang, Qing Xie, Naehyuck Chang and Massoud Pedram, “Maximizing Return on Investment of a Grid- Connected Hybrid Electrical Energy Storage System,” in Proceedings of Asia South Pacific Design Automation Conference (ASP-DAC), pp. 638–643, Jan., 2013.

[97] Qing Xie, Di Zhu, Yanzhi Wang, Massoud Pedram, Younghyun Kim and Naehyuck Chang, “Efficient Scheduling Multiple Charge Migration Tasks in Hybrid Electrical Energy Storage Systems,” in Proceedings of Asia South Pacific Design Automation Conference (ASP-DAC), pp. 749–754, Jan., 2013.

[96] Xue Lin, Yanzhi Wang, Naehyuck Chang and Massoud Pedram, “Online fault detection and tolerance in photovoltaic energy harvesting systems,” in Proceedings of the IEEE/ACM International Conference on Computer-aided Design (ICCAD), pp. 1–6, Nov., 2012.

[95] Donghwa Shin, Kitae Kim, Massoud Pedram and Naehyuck Chang, “Battery Cell Configuration for Organic Light Emitting Diode Display in Modern Smartphones and Tablet-PCs,” in Proceedings of IEEE/ACM International Conference on Computer Aided Design (ICCAD), pp. 679–686, Nov., 2012.

[94] Zili Shao, Naehyuck Chang and Nikil Dutt, “PTL: PCM Translation Layer,” in Proceedings of the IEEE Computer Society Annual Symposium on VLSI, pp. 380–385, Aug., 2012.

[93] Yanzhi Wang, Xue Lin, Naehyuck Chang and Massoud Pedram, “Dynamic reconfiguration of photovoltaic energy harvesting system in hybrid electric vehicles,” in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), pp. 109–114, Aug., 2012.

[92] Sangyoung Park, Yanzhi Wang, Younghyun Kim, Naehyuck Chang and Massoud Pedram, “Battery management for Grid-connected PV systems with a battery,” in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), pp. 115–120, Aug., 2012.

[91] Woojoo Lee, Yanzhi Wang, Donghwa Shin, Naehyuck Chang and Massoud Pedram, “Power conversion efficiency characterization and optimization for smartphones,” in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), pp. 103–108, Aug., 2012.

[90] Xue Lin, Yanzhi Wang, Siyu Yue, Donghwa Shin, Naehyuck Chang and Massoud Pedram, “Near-optimal, dynamic module reconfiguration In a photovoltaic system to combat partial shading effects,” in Proceedings of the Design Automation Conference (DAC), pp. 516–521, Jun., 2012.

[89] Younghyun Kim, Sangyoung Park, Qing Xie, Yanzhi Wang, Naehyuck Chang and Massoud Pedram, “Networked Architecture For Hybrid Electrical Energy Storage Systems,” in Proceedings of the Design Automation Conference (DAC), pp. 522–528, Jun., 2012.

[88] Yanzhi Wang, Xue Lin, Younghyun Kim, Naehyuck Chang and Massoud Pedram, “Enhancing efficiency and robustness of a photovoltaic power system under partial shading,” in Proceedings of International Symposium on Quality Electronic Design (ISQED), pp. 592–600, Mar., 2012.

[87] Samarjit Chakraborty, Martin Lukasiewycz, Christian Buckl, Suhaib A. Fahmy, Naehyuck Chang, Sangyoung Park, Younghyun Kim, Patrick Leteinturier, Hans Adlkofer, “Embedded systems and software challenges in electric vehicles,” in Proceedings of Design Automation and Test in Europe (DATE), pp. 424–429, Mar., 2012.

[86] Yanzhi Wang, Qing Xie, Massoud Pedram, Younghyun Kim, Naehyuck Chang and Massimo Poncino, “Multiple-Source and Multiple-Destination Charge Migration in Hybrid Electrical Energy Storage Systems,” in Proceedings of Design Automation and Test in Europe (DATE), pp. 169–174, Mar., 2012.

[85] Qing Xie, Xue Lin, Yanzhi Wang, Massoud Pedram, Donghwa Shin and Naehyuck Chang, “State of Health Aware Charge Management in Hybrid Electrical Energy Storage Systems,” in Proceedings of Design Automation and Test in Europe (DATE), pp. 1060–1065, Mar., 2012.

[84] Ye-Jyun Lin, Chia-Lin Yang, Jiao-Wei Huang and Naehyuck Chang, “Memory Access Aware Power Gating for MP- SoCs,” in Proceedings of Asia South Pacific Design Automation Conference (ASP-DAC), pp. 121–126, Feb., 2012.

[83] Qing Xie, Yanzhi Wang, Younghyun Kim, Donghwa Shin, Naehyuck Chang and Massoud Pedram, “Charge Replacement in Hybrid Electrical Energy Storage Systems,” in Proceedings of Asia South Pacific Design Automation Conference (ASP- DAC), pp. 627–632, Feb., 2012.

[82] Younghyun Kim, Sangyoung Park, Yanzhi Wang, Qing Xie, Naehyuck Chang, Massimo Poncino and Massoud Pedram, “Balanced Reconfiguration of Storage Banks in a Hybrid Electrical Energy Storage System,” in Proceedings of IEEE/ACM International Conference on Computer Aided Design (ICCAD), pp. 624–631, Nov., 2011.

[81] Qing Xie, Yanzhi Wang, Younghyun Kim, Naehyuck Chang and Massoud Pedram, “Charge Allocation for Hybrid Electrical Energy Storage Systems,” in Proceedings of IEEE/ACM/IFIP International Conference on Hardware-Software Codesign and System Synthesis (CODES+ISSS), pp. 277–284, Oct., 2011.

[80] Yanzhi Wang, Younghyun Kim, Qing Xie, Naehyuck Chang and Massoud Pedram, “Charge Migration Efficiency Optimization in Hybrid Electrical Energy Storage (HEES] Systems,” in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), pp. 103–108, Aug., 2011.

[79] Woojoo Lee, Younghyun Kim, Yanzhi Wang, Naehyuck Chang, Massoud Pedram and Soohee Han, “Versatile High- Fidelity Photovoltaic Module Emulation System,” in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), pp. 91–96, Aug., 2011.

[78] Younghyun Kim, Jooyeon Lee, Youngshin Koh and Naehyuck Chang, “Bluetooth Wireless Handset for People with Severe Motor Disabilities: Capstone Design Project for Rehabilitation Technology,” in Proceedings of International Conference on Microelectronic Systems Education (MSE), pp. 5–8, Jun., 2011.

[77] Donghwa Shin, Younghyun Kim, Naehyuck Chang and Massoud Pedram, “Dynamic Voltage Scaling of OLED Displays,” in Proceedings of the Annual Conference on Design Automation (DAC), pp. 53–58, Jun., 2011.

[76] Donghwa Shin, Yanzhi Wang, Younghyun Kim, Jaeam Seo, Naehyuck Chang and Massoud Pedram, “Battery-Supercapacitor Hybrid System for High-Rate Pulsed Load Applications,” in Design Automation and Test in Europe (DATE), pp. 1–4, Mar., 2011.

[75] Naehyuck Chang, Sangyoung Park, Jaehyun Park, Hyun-Jin Kim and Jooyeon Lee, “Holistic Payload Optimization for Avionics Computer Systems,” in Proceedings of Asia Pacific Signal and Information Processing Association (APSIPA) (invited talk), Dec., 2010.

[74] Ye-Jyun Lin, Chia-Lin Yang, Tay-Jyi Lin, Jiao-Wei Huang and Naehyuck Chang, “Hierarchical memory scheduling for multimedia MPSoCs,” in Proceedings of IEEE/ACM International Conference on Computer Aided Design (ICCAD), pp. 190–196, Nov., 2010.

[73] Massoud Pedram, Naehyuck Chang, Younghyun Kim and Yanzhi Wang, “Hybrid Electrical Energy Storage Systems,” in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), pp. 363–368, Aug., 2010.

[72] Jaehyun Park, Donghwa Shin, Massoud Pedram and Naehyuck Chang, “Accurate Modeling and Calculation of Delay and Energy Overheads of Dynamic Voltage Scaling in Modern High-Performance Microprocessors,” in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), pp. 419–424, Aug., 2010.

[71] Sangyoung Park, Jian-Jia Chen, Donghwa Shin, Younghyun Kim, Chia-Lin Yang and Naehyuck Chang, “Dynamic Thermal Management for Networked Embedded Systems under Harsh Ambient Temperature Variation,” in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), pp. 289–294, Aug., 2010.

[70] Younghyun Kim, Naehyuck Chang, Yanzhi Wang and Massoud Pedram, “Maximum Power Transfer Tracking for a Photovoltaic-Supercapacitor Energy System,” in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), pp. 307–312, Aug., 2010.

[69] Yongsoo Joo, Dimin Niu, Xiangyu Dong, Guangyu Sun, Naehyuck Chang and Yuan Xie, “Energy- and Endurance-Aware Design of Phase Change Memory Caches,” in Proceedings of Design, Automation and Test in Europe (DATE), pp. 136–141, Mar., 2010.

[68] Naehyuck Chang, Jueun Seo, Donghwa Shin and Younghyun Kim, “Room-Temperature Fuel Cells and Their Integration into Portable and Embedded Systems,” in Proceedings of Asia South Pacific Design Automation Conference (ASP-DAC), pp. 69–74, Jan., 2010.

[67] Youngjin Cho, Sang Young Park, Younghyun Kim and Naehyuck Chang, “Model Variable Reduction Technique for High-Level Energy Estimation with an Accuracy Constraint,” in Proceedings of IEEE/CAS International SoC Design Conference (ISOCC), pp. 476–479, Nov., 2009.

[66] Donghwa Shin, Jihun Kim, Jinhang Choi, Sung Woo Chung, Eui-Young Chung and Naehyuck Chang, “Energy-Optimal Dynamic Thermal Management for Green Computing,” in Proceedings of IEEE/ACM International Conference on Computer Aided Design (ICCAD), pp. 652–657, Nov., 2009.

[65] Yongsoo Joo, Youngjin Cho, Kyungsoo Lee and Naehyuck Chang, “Improving Application Launch Times with Hybrid Disks,” in Proceedings of IEEE/ACM/IFIP International Conference on Hardware-Software Codesign and System Synthesis (CODES+ISSS), pp. 373–382, Oct., 2009.

[64] Youngjin Cho, Younghyun Kim, Sang Young Park and Naehyuck Chang, “System-Level Power Estimation Using an On-Chip Bus Performance Monitoring Unit,” in Proceedings of IEEE/ACM International Conference on Computer Aided Design (ICCAD), pp. 149–154, Nov., 2008.

[63] Youngjin Cho, Younghyun Kim, Yongsoo Joo, Kyungsoo Lee and Naehyuck Chang, “Simultaneous Optimization of Battery-Aware Voltage Regulator Scheduling with Dynamic Voltage and Frequency Scaling,” in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Designs (ISLPED), pp. 309–314, Aug., 2008.

[62] Younghyun Kim, Youngjin Cho, Naehyuck Chang, Chaitali Chakrabarti and Nam Ik Cho, “Extending the Lifetime of Media Recorders Constrained by Battery and Flash Memory Size,” in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Designs (ISLPED), pp. 159–164, Aug., 2008.

[61] Kyungsoo Lee, Youngjin Cho, Jaehyun Park, Younghyun Kim, Jihun Kim and Naehyuck Chang, “A Fuel-Cell-Battery Hybrid Platform for Portable Embedded Systems,” in Proceedings of the IFAC World Congress, pp. 2188–2193, Jul., 2008.

[60] Naehyuck Chang,“Fuel Cell and Battery Hybrid System for Portable Electronics Applications,” in The Knowledge Foundation’s One-Day Special Symposium on Fuel Cell & Battery Hybrid Systems Building Synergy towards Commercialization, Apr., 2008 (Invited Talk).

[59] Youngin Cho, Younghyun Kim, and Naehyuck Chang, ”PVS: Passive Voltage Scaling for Wireless Sensor Networks,” in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Designs (ISLPED), pp. 135–140, Aug., 2007.

[58] Jianli Zhuo, Chaitali Chakrabarti, and Naehyuck Chang, “Energy Management of DVS-DPM Enabled Embedded Systems Powered by Fuel Cell-Battery Hybrid Source, in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Designs (ISLPED), pp. 322–327, Aug., 2007.

[57] Yongsoo Joo, Youngjin Cho, Donghwa Shin and Naehyuck Chang, “Energy-Aware Data Compression for Multi-Level Cell (MLC] Flash Memory,” in Proceedings of ACM/IEEE Design Automation Conference (DAC), pp. 716–719, Jun., 2007.

[56] Naehyuck Chang and Younghyun Kim, “Capstone Design Project for a Ubiquitous Sensor Network,” in Proceedings of Microelectronic Systems Education (MSE), pp. 21–22, Jun., 2007.

[55] Jianli Zhuo, Chaitali Chakrabarti, Kyungsoo Lee and Naehyuck Chang, “Dynamic Power Management with Hybrid Power Sources,” in Proceedings of ACM/IEEE Design Automation Conference (DAC), pp. 871–876, Jun., 2007.

[54] Minje Jun, Kwanhu Bang, Hyuk-Jun Lee, Naehyuck Chang and Eui-Young Chung, “Slack-based Bus Arbitration Scheme for Soft Real-time Constrained Embedded Systems,” in Proceedings of Asia South Pacific Design Automation Conference (ASP-DAC), pp. 159–164, Jan., 2007.

[53] Luca Benini, Naehyuck Chang, Ulrich Kremer, Christian W. Probst “Power-aware Computing Systems,” Internationales Begegnungsund Forschungszentrum fuer Informatik (IBFI), Schloss Dagstuhl, Germany, 2007.

[52] Kyungsoo Lee, Youngjin Cho and Naehyuck Chang, “High-Level Power Management of Audio Power Amplifiers for Portable Multimedia Applications,” in Proceedings of IEEE Workshop on Embedded Systems for Real-Time Multimedia (ESTIMedia), pp. 41–46, Oct., 2006.

[51] Yongsoo Joo, Yongseok Choi, Chanik Park, Sung Woo Chung, Eui-Young Chung and Naehyuck Chang, “Demand Paging for OneNAND Flash eXecute-In-Place,” in Proceedings of IEEE/ACM/IFIP International Conference on Hardware- Software Codesign and System Synthesis (CODES+ISSS), pp. 229–234, Oct., 2006.

[50] Jianli Zhuo, Chaitali Chakrabarti, Naehyuck Chang and Sarma Vrudhula, “Maximizing the Lifetime of Embedded Systems Powered by Fuel Cell-Battery Hybrids,” in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Designs (ISLPED), pp. 424–429, Oct., 2006.

[49] Ravishankar Rao, Sarma Vrudhula, Chaitali Chakrabarti and Naehyuck Chang, “An optimal analytical solution for processor speed control with thermal constraints,” in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Designs (ISLPED), pp. 292–297, Oct., 2006.

[48] Youngjin Cho, Naehyuck Chang, Chaitali Chakrabarti and Sarma Vrudhula, “High-Level Power Management of Embedded Systems with Application-Specific Energy Cost Functions,” in Proceedings of ACM/IEEE Design Automation Conference (DAC), pp. 568–573, Jul., 2006.

[47] Jianli Zhuo, Chaitali Chakrabarti and Naehyuck Chang, “Extending the Lifetime of Fuel Cell Based Hybrid Systems,” in Proceedings of ACM/IEEE Design Automation Conference (DAC), pp. 562–567, Jul., 2006.

[46] Hyung Gyu Lee, Naehyuck Chang, Umit Y. Ogras and Radu Marculescu Design Space Exploration and Prototyping for On-Chip Multimedia Applications,” in Proceedings of ACM/IEEE Design Automation Conference (DAC), pp. 137–142, Jul., 2006.

[45] Umit Y. Ogras, Radu Marculescu, Hyung Gyu Lee and Naehyuck Chang, “Communication Architecture Optimization: Making the Shortest Path Shorter in Regular Networks-on-Chip,” in Proceedings of Design Automation and Test in Europe (DATE), pp. 712–717, Mar., 2006.

[44] Hyeonmin Lim, Kyungsoo Lee, Youngjin Cho and Naehyuck Chang, “Flip-Flop Insertion with Shifted-phase Clocks for FPGA Power Reduction,” in Proceedings of IEEE/ACM International Conference on Computer Aided Design (ICCAD), pp. 335–342, Nov., 2005.

[43] Ravishankar Rao, Sarma Vrudhula and Naehyuck Chang, “Battery optimization vs energy optimization: Which to choose and when?,” in Proceedings of IEEE/ACM International Conference on Computer Aided Design (ICCAD), pp. 439–445, Nov., 2005.

[42] Hojun Shim, Youngjin Cho and Naehyuck Chang, “Frame Buffer Compression Using a Limited-Size Code Book for Low-Power Display Systems,” in Proceedings of IEEE Workshop on Embedded Systems for Real-Time Multimedia (ESTIMedia), pp. 7–12, Sep., 2005.

[41] Naehyuck Chang and Younghyun Kim, “Graduate class for system-level low-power design,” in Proceedings of Microelectronic Systems Education (MSE), pp. 31–32, Jun., 2005.

[40] Yongseok Choi, Naehyuck Chang and Taewhan Kim, “DC-DC Converter-Aware Power Management for Battery-Operated Embedded Systems,” in Proceedings of ACM/IEEE Design Automation Conference (DAC), pp. 895–900, Jun., 2005.

[39] Hojun Shim, Youngjin Cho and Naehyuck Chang, Power Saving in Hand-held Multimedia Systems Using MPEG-21 Digital Item Adaptation,” in Proceedings of Workshop on Embedded Systems for Real-Time Multimedia (ESTIMedia), pp. 13–18, Sep., 2004.

[38] Youngjin Cho and Naehyuck Chang, “Memory-Aware Energy-Optimal Frequency Assignment for Dynamic Supply Voltage Scaling,” in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Designs (ISLPED), pp. 387–392, Aug., 2004.

[37] Hojun Shim, Naehyuck Chang and Massoud Pedram, “A Compressed Frame Buffer to Reduce Display Power Consumption in Mobile Systems,” in Proceedings of ACM/IEEE Asia South Pacific Design Automation Conference (ASP-DAC), pp. 819–824, Jan., 2004.

[36] Inseok Choi, Hyung Soo Kim, Heonshik Shin and Naehyuck Chang, “LPBP: Low-power basis profile of the Java 2 Micro Edition,” in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Designs (ISLPED), pp. 36–39, Aug., 2003.

[35] Hyung Gyu Lee and Naehyuck Chang, “Energy-aware memory allocation in heterogeneous non-volatile memory systems,” in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Designs (ISLPED), pp. 420–423, Aug., 2003.

[34] Hyung Gyu Lee, Seungyep Nam and Naehyuck Chang, “Cycle-accurate energy measurement and high-level energy characterization of FPGAs,” in Proceedings of International Symposium on Quality Electronic Design (ISQED), pp. 267–272, Mar., 2003.

[33] Inseok Choi, Hojun Shim and Naehyuck Chang, “Low-power color TFT LCD display for hand-held embedded systems,” in Proceedings of IEEE/ACM International Symposium on Low Power Electronics and Designs (ISLPED), pp. 112–117, Aug., 2002.

[32] Yongsoo Joo, Yong Seok Choi, Hojun Shim, Hyung Gyu Lee and Naehyuck Chang, “Energy exploration and reduction of SDRAM memory systems,” in Proceedings of ACM/IEEE Design Automation Conference (DAC), pp. 892–897, Jun., 2002.

[31] Sheayun Lee, Andreas Ermedahl, Sang Lyul Min and Naehyuck Chang, “An accurate instruction-level energy consumption model for embedded RISC processors,” in Proceedings of ACM SIGPLAN 1999 Workshop on Languages, Compilers and Tools for Embedded Systems (LCTES), pp. 1–10, Jun., 2001.

[30] Dongkun Shin, Jihong Kim and Naehyuck Chang, “An Operation Rearrangement Technique for Power Optimization in VLIW Instruction Fetch,” in Proceedings of Design Automation and Test in Europe (DATE), pp. 809–905, Mar., 2001.

[29] Naehyuck Chang, Kwanho Kim and Hyun Gyu Lee, “Cycle-accurate energy consumption measurement and analysis: case study of ARM7TDMI,” in Proceedings of ACM/IEEE International Symposium on Low Power Electronics and Design (ISPLED), pp. 185 –190, Jul., 2000.

[28] Naehyuck Chang, Kwanho Kim, Heonshik Shin and Jinsung Cho, “Bus encoding for low-power high-performance memory systems,” in Proceedings of ACM/IEEE Design Automation Conference (DAC), pp. 800–805, Los Angeles, Jun., 2000.

[27] Naehyuck Chang, Kwanho Kim and Heonshik Shin, “Dual-Mode Low-Power Bus Encoding for High-Performance Bus Drivers,” in Proceedings of IEEE Region 10 Conference (TENCON), pp. 15–17, Sep., 1999.

[26] Saehwa Kim, Jamison Masse, Seongsoo Hong and Naehyuck Chang, “SCA-based component framework for software defined radio,” in Proceedings of the IEEE Workshop on Software Technologies for Future Embedded Systems, pp. 3–6, May, 2003.

[25] Naehyuck Chang and Ikhwan Lee, “Embedded system hardware design course track for CS students,” in Proceedings of the 2003 IEEE International Conference on Microelectronic Systems Education (MSE), pp. 49–50, Jun., 2003.

[24] Saehwa Kim, Seongsoo Hong and Naehyuck Chang, “Scenario-based implementation architecture for real-time object-oriented models,” in Proceedings of the IEEE International Workshop on Object-Oriented Real-Time Dependable Systems (WORDS), pp. 147–152, Jan., 2002.

[23] Minseok Song, Heonshik Shin and Naehyuck Chang. “A QoS Negotiation Scheme for Efficient Failure Recovery in Multi-resolution Video Servers,” in Proceedings of the International Workshop on Interactive Distributed Multimedia Systems, pp. 62–73, Sep., 2001.

[22] Minseok Song, Naehyuck Chang and Heonshik Shin, “A new queue discipline for various delay and jitter requirements in real-time packet-switched networks,” in Proceedings of the International Conference on Real-Time Systems and Applications (RTCSA), pp. 191–198, Dec., 2000.

[21] Taewoong Kim, Heonshik Shin and Naehyuck Chang,“Deadline assignment to reduce output jitter of real-time tasks,” in Preprints of the IFAC Workshop on Distributed Computer Control Systems, pp. 67–72, Nov., 2000.

[20] Hyosoon Lee, Heonshik Shin and Naehyuck Chang, “Checkpoint placement for fault-tolerant real-time systems,” in Preprints of the IFAC Workshop on Distributed Computer Control Systems (DCCS), Nov., 2000.

[19] Minyoung Sung, Naehyuck Chang, Jinsung Cho and Heonshik Shin, “Performance analysis of the BusNet protocol for backplane bus-based interprocessor communication,” in Proceedings of ISCA Conference on Parallel and Distributed Computing Systems, Aug., 2000.

[18] Taehyoun Kim, Naehyuck Chang and Heonshik Shin, “Bounding worst-case garbage collection time for embedded real- time systems,” in Proceedings of the IEEE Real-Time Technology and Applications Symposium (RTAS), pp. 46–55, May, 2000.

[17] Taewoong Kim, Junghoon Lee, Heonshik Shin and Naehyuck Chang, “Best case response time analysis for improved schedulability analysis of distributed real-time tasks,” in Proceedings of ICDCS Workshops on Distributed Real-Time Systems, pp. B14–B20, Apr., 2000.

[16] Hyung Seok Kim, Wook Hyun Kwon and Naehyuck Chang, “A Translation Method for Ladder Diagram with Application to a Manufacturing Process,” in Proceedings of the IEEE International Conference on Robotics and Automation (ICRA), May, 1999.

[15] Naehyuck Chang, Wook Hyun Kwon and Jae-Hyun Park, “Implementation of synchronous Petri nets-based controller,” in Proceedings of Pacific Conference on Manufacturing, pp. 529–524, 1999.

[14] Namyun Kim, Taewoong Kim, Naehyuck Chang and Heonshik Shin, “Enhancing response times of end-to-end tasks using slack of local tasks,” in Proceedings of International Conference on Real-Time Computing Systems and Applications (RTCSA), pp. 21–28, Oct., 1998.

[13] Minyoung Sung, Taehyoun Kim, Naehyuck Chang and Heonshik Shin, “Analysis of real-time backplane bus network based on write posting,” in Proceedings of International Conference on Real-Time Computing Systems and Applications (RTCSA), pp. 166–169, Oct., 1998.

[12] Taewoong Kim, Namyun Kim, Naehyuck Chang and Heonshik Shin, “Bandwidth allocation for transmission of real- time messages in burst mode over IEEE 802.12 network,” in Proceedings of IFAC Workshop on Distributed Computer Control Systems (DCCS), pp. 19–24, Sep., 1998.

[11] Taewoong Kim, Heonshik Shin and Naehyuck Chang, “Scheduling Algorithm for Hard Real-Time Communication in Demand Priority Network,” in Proceedings of Euromicro Workshop on Real-Time Systems (ERTS), pp. 45–52, Jun., 1998.

[10] Namyun Kim, Taewoong Kim, Naehyuck Chang and Heonshik Shin, “Prioritizing soft real-time tasks to improve end- to-end response time,” in Proceedings of the International Workshop on Parallel and Distributed Real-Time Systems (WP- DRTS), Mar., 1998.

[9] Seungkweon Jeong, Naehyuck Chang and Wook Hyun Kwon, “Response time driven scheduling for real-time programmable controllers with network-based I/O systems,” in Proceedings of IFAC/IFIP Workshop on Algorithm and Architecture for Real Time Control (AARTC), pp. 41–46, 1998.

[8] Naehyuck Chang, Wook Hyun Kwon and Jaehyun Park, “Hardware implementation of real-time Petri net-based controllers,” in Proceedings of the IFAC/IFIP Workshop on Algorithm and Architecture for Real Time Control (AARTC), pp. 253–258, Apr., 1997.

[7] Naehyuck Chang, Wook Hyun Kwon and Jaehyun Park, “FPGA-based implementation of synchronous Petri nets,” in Proceedings of the Annual Conference of the IEEE Industrial Electronics Society (IECON), vol. 1, pp. 451–456, Aug., 1996.

[6] Young Cheol Cho, Naehyuck Chang, S. H. Park and Wook Hyun Kwon, “Modeling and simulation of distributed real- time control system for performance evaluation,” in Proceedings of the International Workshop on Parallel and Distributed Real-Time Systems (WPDRTS), pp. 16–17, Apr., 1996. 

[5] Naehyuck Chang, Jaehyun Park and Wook Hyun Kwon, “State machine-based deadline analysis of programmable controllers,” in Proceedings of the IFAC/IFIP Workshop on Algorithm and Architecture for Real Time Control (AARTC), pp. 225–232, 1995.

[4] Yoon Bae Kim, Nak Bong Choi, Myung-Joon Kim, Naehyuck Chang, Kyeonghoon Koo, Young Cheol Cho, Pil Jong Lee and Wook Hyun Kwon, “Realization of fiber optic network for train monitoring system,” in Proceedings of the International Conference on Information Technology (ICIT), pp. 474–751, 1994.

[3] Wook Hyun Kwon, Jaehyun Park and Naehyuck Chang, “Real-time bus for multiprocessor-based programmable controller,” in Proceedings of the IEEE International Conference on Embedded and Real-Time Computing Systems and Applications (RTCSA), pp. 38–42, 1994.

[2] Naehyuck Chang, Jaehyun Park, Kyeonghoon Koo and Wook Hyun Kwon, “Memory-based implementation of a Petri- net for a programmable controller,” in Proceedings of the Annual Conference of the IEEE Industrial Electronics Society (IECON), Vol. 1, pp. 613–618, 1993.

[1] Jaehyun Park,Naehyuck Chang and Wook Hyun Kwon, “Implementation of parallel logic solving algorithm for PLC based on the dataflow architecture,” in Proceedings of the IFAC/IFIP Workshop on Algorithm and Architecture for Real Time Control, (AARTC), pp. 67–72, 1992.

Books

[2] Younghyun Kim and Naehyuck Chang, "Design and Management of Energy-Efficient Hybrid Electrical Energy Storage Systems," Springer International Publishing, ISBN-13 978-3319072807, 2014.

[1] Younghyun Kim, Yanzhi Wang, Naehyuck Chang, and Massoud Pedram, Computer-Aided Design and Optimization of Hybrid Energy Storage Systems, Now Publishers Inc., ISBN-13: 978-1601987044, 2013.

Book Chapters

[3] Naehyuck Chang, Massoud Pedram, Hyung Gyu Lee, Yanzhi Wang, Younghyun Kim, “Reconfigurable Photovoltaic Array Systems for Adaptive and Fault-Tolerant Energy Harvesting,” Nano Devices and Circuit Techniques for Low-Energy Applications and Energy Harvesting, Part of the series KAIST Research Series, pp. 181-209, Springer, 2016.

[2] Naehyuck Chang, “Chapter 7: Energy generation and conversion for portable electronic systems,” Energy-Aware System Design, pp. 149–190, Springer, ISBN 978-94-007-1678-0, 2012.

[1] Naehyuck Chang, Enrico Macii, Massimo Poncino and Vivek Tiwari, “Chapter 7: System-level power management,” Electronic Design Automation for Integrated Circuits Handbook: EDA for IC System Design, Verification, and Testing, Taylor & Francis, 2006 and 2016.