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[C-17-2] Donkyu Baek, Caiwen Ding, Sheng Lin, Donghwa Shin, Jaemin Kim, Xue Lin, Yanzhi Wang, Naehyuck Chang, “Reconfigurable Thermoelectric Generators for Vehicle Radiators Energy Harvesting,” to appear in Proceedings of the IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), 2017.

[C-17-1] 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.

[C-16-2] 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.

[C-16-1] 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.

[C-15-7] Donghwa Shin, Naehyuck Chang, Yanzhi Wang, and Massoud Pedram, "Reconfigurable Three Dimensional Photovoltaic Panel Architecture For Solar- Powered Time Extension," in Proceedings of the IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), 2015.

[C-15-6] Xue Lin, Yanzhi Wang, Paul Bogdan, Naehyuck Chang, and 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.

[C-15-5] Xue Lin, Paul Bogdan, Naehyuck Chang, Massoud Pedram, "Machine Learning-Based Energy Management in a Hybrid Electric Vehicle to Minimize Total Operating Cost," to appear in Proceedings of the International Conference on Computer Aided Design (ICCAD), 2015.

[C-15-4] Yanzhi Wang, Xue Lin, Naehyuck Chang, and 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.

[C-15-3] 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), 2015. [PDF]

[C-15-2] 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), 2015. [PDF]

[C-15-1] 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), 2015. [PDF]

[C-14-15] Naehyuck Chang, Donkyu Baek and Jeongmin Hong, "Power Consumption Characterization, Modeling and Estimation of Electric Vehicles," in Proceedings of IEEE/ACM International Conference on Computer-Aided Design (ICCAD), 2014. [PDF]

[C­-14-­14] 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. [PDF]

[C­-14-­13] 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. [PDF]

[C-­14-­12] 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. [PDF]

[C­-14-­11] 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. [PDF]

[C­-14-­10] Di Zhu, Siyu Yue, Yanzhi Wang, Naehyuck Chang, and Massoud Pedram, "Cost­-effective 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. [PDF]

[C­-14­-09] 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. [PDF]

[C­-14-­08] 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. [PDF]

[C­-14-­07] 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. [PDF]

[C-14-06] Jaemin Kim, Yanzhi Wang, Massoud Pedram and Naehyuck Chang, "Fast Photovoltaic Array Reconfiguration for Partial Solar Powered Vehicles," in IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), 2014. [PDF]

[C-14-05] Jaemin Kim, Alma Pröbstl, Samarjit Chakraborty and Naehyuck Chang, "Aging Mitigation of Power Supply-Connected Batteries," in IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), 2014.  [PDF]

[C-14-04] 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 Design Automation and Test in Europe (DATE), Dresden, Germany, 2014. [PDF]

[C-14-03] Di Zhu, Yanzhi Wang, Naehyuck Chang and Massoud Pedram, "Optimal Design and Management of a Smart Residential PV and Energy Storage System," in Design Automation and Test in Europe (DATE), Dresden, Germany, 2014. [PDF]

[C-14-02] 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 Design Automation and Test in Europe (DATE), Dresden, Germany, 2014. [PDF]

[C-14-01] 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), pp. 379--384, SunTec, Singapore, 2014. [PDF]

[C-13-15] Younghyun Kim, Donghwa Shin, Massimo Petricca, Sangyoung Park, Massimo Poncino and Naehyuck Chang, "Computer-Aided Design of Electrical Energy Systems," in Proceedings of IEEE/ACM International Conference on Computer-Aided Design (ICCAD), pp. 194-201, 2013. [PDF]

[C-13-14] 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 IEEE/ACM International Conference on Computer-Aided Design (ICCAD), pp. 242-247, 2013. [PDF]

[C-13-13] 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), pp. 1-9, 2013. [PDF]

[C-13-12] 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, 2013. [PDF]

[C-13-11] 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, Beijing, China, 2013. [PDF]

[C-13-10] 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, 2013.  [PDF]

[C-13-09] 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, 2013. [PDF]

[C-13-08] 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, Austin, Texas, 2013. [PDF]

[C-13-07] 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, Grenoble, France, 2013. [PDF]

[C-13-06] Qing Xie, Siyu Yue, Massoud Pedram, Donghwa Shin and Naehyuck Chang, "Adaptive Thermal Management for Portable System Batteries by Forced Convection Cooling," in Proceedings of Design Automation and Test in Europe (DATE), pp. 1225-1228, Grenoble, France, 2013. [PDF]

[C-13-05] Yanzhi Wang, Xue Lin, Massoud Pedram, Jaemin Kim and Naehyuck Chang, "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, Grenoble, France, 2013. [PDF]

[C-13-04] Yanzhi Wang, Xue Lin, Massoud Pedram, Sangyoung Park and Naehyuck Chang, "Optimal Control of a Grid-Connected Hybrid Electrical Energy Storage System for Homes," in Proceedings of Design Automation and Test in Europe (DATE), pp. 881-886, Grenoble, France, 2013. [PDF]

[C-13-03] 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, Yokohama, Japan, 2013. [PDF]

[C-13-02] 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, Yokohama, Japan, 2013. [PDF]

[C-13-01] Qing Xie, Di Zhu, Yanzhi Wang, Massoud Pedram, Younghyun Kim and Naehyuck Chang, "An Efficient Scheduling Algorithm for Multiple Charge Migration Tasks in Hybrid Electrical Energy Storage Systems," in Proceedings of Asia South Pacific Design Automation Conference (ASP-DAC), pp. 749-754, Yokohama, Japan, 2013. [PDF]

[C-12-14] Xue Lin, Yanzhi Wang, Naehyuck Chang and Massoud Pedram, "Online fault detection and tolerance for photovoltaic energy harvesting systems," in IEEE/ACM International Conference on Computer-Aided Design (ICCAD), pp. 1-6, 2012. [PDF]

[C-12-13] 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, San Jose, USA, 2012.  [PDF]

[C-12-12] Zili Shao, Naehyuck Chang and Nikil Dutt, "PTL: PCM Translation Layer," in Proceedings of the IEEE Computer Society Annual Symposium on VLSI (ISVLSI), pp. 380-385, Amherst, USA, 2012. [PDF]

[C-12-11] Yanzhi Wang, Xue Lin, Naehyuck Chang and Massoud Pedram, "Dynamic Reconfiguration of Photovoltaic Energy Harvesting System in Hybrid Electric Vehicles," in IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), 109-114, 2012. [PDF]

[C-12-10] 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, Redondo Beach, CA, USA, 2012. [PDF]

[C-12-09] Woojoo Lee, Yanzhi Wang, Donghwa Shin, Naehyuck Chang and Massoud Pedram, "Power Conversion Efficiency Characterization and Optimization for Smartphones," in IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), pp. 103-108, 2012.  [PDF]

[C-12-08] 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, San Francisco, CA, USA, 2012. [PDF]

[C-12-07] 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, San Francisco, CA, USA, 2012. [PDF]

[C-12-06] Samarjit Chakraborty, Martin Lukasiewycz, Christian Buckl, Suhaib Fahmy, Naehyuck Chang, Sangyoung Park, Younghyun Kim, Patrick Leteinturier and Hans Adlkofer, "Embedded Systems and Software Challenges in Electric Vehicles," in Proceedings of Design Automation and Test in Europe (DATE), pp. 424-429, Dresden, Germany, 2012. [PDF]

[C-12-05] 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, Santa Clara, CA, USA, 2012. [PDF]

[C-12-04] 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, Dresden, Germany, 2012. [PDF]

[C-12-03] 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, Dresden, Germany, 2012. [PDF]

[C-12-02] Ye-Jyun Lin, Chia-Lin Yang, Jiao-Wei Huang and Naehyuck Chang, "Memory Access Aware Power Gating for MPSoCs," in Proceedings of Asia South Pacific Design Automation Conference (ASP-DAC), pp. 121-126, Sydney, Australia, 2012. [PDF]

[C-12-01] 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, Sydney, Australia, 2012. [PDF]

[C-11-07] 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, San Jose, CA, USA, 2011. [PDF]

[C-11-06] 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, 2011. [PDF]

[C-11-05] 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, Fukuoka, Japan, 2011.  [PDF]

[C-11-04] 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, Fukuoka, Japan, 2011. [PDF]

[C-11-03] 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, San Diego, USA, 2011. [PDF]

[C-11-02] Donghwa Shin, Younghyun Kim, Naehyuck Chang and Massoud Pedram, "Dynamic Voltage Scaling of OLED Displays," in Proceedings of the Design Automation Conference (DAC), pp. 53-58, San Diego, USA, 2011. [PDF]

[C-11-01] 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, 2011.  [PDF]

[C-10-08] 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), Biopolis, Singapore, 2010.  [PDF]

[C-10-07] Ye-Jyun Lin, Chia-Lin Yang, Tay-Jyi Lin, Jiao-Wei Huang and Naehyuck Chang, "Hierarchical memory scheduling for multimedia MPSoCs," in in Proceedings of IEEE/ACM International Conference on Computer-Aided Design (ICCAD), pp. 190-196, San Jose, 2010.  [PDF]

[C-10-06] 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, Austin, USA, 2010.  [PDF]

[C-10-05] 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, Austin, USA, 2010.  [PDF]

[C-10-04] 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, Austin, USA, 2010. [PDF]

[C-10-03] Younghyun Kim, Naehyuck Chang, Yanzhi Wang and Massoud Pedram, "Maximum Power Transfer Tracking for a Photovoltaic-Supercapacitor Energy System," in Proceeding of IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), pp. 307--312, Austin, USA, 2010. [PDF]

[C-10-02] 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, Dresden, Germany, 2010. [PDF]

[C-10-01] 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, Taipei, Taiwan, 2010. [PDF]

[C-09-03] Youngjin Cho, Sangyoung 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), Busan, Korea, 2009.  [PDF]

[C-09-02] 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), San Jose, USA, 2009. [PDF]

[C-09-01] 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, 2009. [PDF]

[C-08-05] Youngjin Cho, Younghyun Kim, Sangyoung 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, San Jose, USA, 2008. [PDF]

[C-08-04] 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 Proceeding of the International Symposium on Low Power Electronics and Design (ISLPED), pp. 309-314, Bangalore, India, 2008. [PDF]

[C-08-03] 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 Proceeding of the International Symposium on Low Power Electronics and Design (ISLPED), pp. 159-164, Bangalore, India, 2008. [PDF]

[C-08-02] 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 17th Triennial Event of International Federation of Automatic Control World Congress (IFAC WC), pp. 2188-2193, Seoul, Korea, Republic Of, 2008. [PDF]

[C-08-01] Naehyuck Chang, "Fuel Cell and Battery Hybrid System for Portable Electronics Applications," in Proceedings of The Knowledge Foundation's One-Day Special Symposium on Fuel Cell & Battery Hybrid Systems Building Synergy towards Commercialization, 2008.  

[C-07-07] Youngjin Cho, Younghyun Kim and Naehyuck Chang, "PVS: Passive Voltage Scaling for Wireless Sensor Networks," in Proceeding of IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), pp. 135-140, Portland, USA, 2007. [PDF]

[C-07-06] Jianli Zhuo, Chaitali Chakrabarti and Naehyuck Chang, "Energy Management of DVS-DPM Enabled Embedded Systems Powered by Fuel Cell-Battery Hybrid Source," in Proceeding of IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED), pp. 322-327, Portland, USA, 2007. [PDF]

[C-07-05] Yongsoo Joo, Youngjin Cho, Donghwa Shin and Naehyuck Chang, "Energy-Aware Data Compression for Multi-Level Cell (MLC) Flash Memory," in Proceedings of the Design Automation Conference (DAC), pp. 716-719, San Diego, USA, 2007. [PDF]

[C-07-04] Naehyuck Chang and Younghyun Kim, "Capstone Design Project for a Ubiquitous Sensor Network," in Proceedings of International Conference on Microelectronic Systems Education (MSE), pp. 21-22, 2007. [PDF]

[C-07-03] Jianli Zhuo, Chaitali Chakrabarti, Kyungsoo Lee and Naehyuck Chang, "Dynamic Power Management with Hybrid Power Sources," in Proceedings of the Design Automation Conference (DAC), pp. 871-876, San Diego, USA, 2007. [PDF]

[C-07-02] Luca Benini, Naehyuck Chang, Ulrich Kremer and Christian W. Probst, "Power-aware Computing Systems," in Internationales Begegnungs- und Forschungszentrum fuer Informatik (IBFI), Germany, 2007.  [PDF]

[C-07-01] 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 ACM/IEEE Asia South Pacific Design Automation Conference (ASP-DAC), pp. 159-164, Yokohama, Japan, 2007.  [PDF]

[C-06-08] Jianli Zhuo, Chaitali Chakrabarti, Naehyuck Chang and Sarma Vrudhula, "Maximizing the Lifetime of Embedded Systems Powered by Fuel Cell-Battery Hybrids," in Proceedings of the International Symposium on Low Power Electronics and Design (ISLPED), pp. 424-429, Tegernsee, Germany, 2006. [PDF]

[C-06-07] Ravishankar Rao, Sarma Vrudhula, Chaitali Chakrabarti and Naehyuck Chang, "An Optimal Analytical Solution for Processor Speed Control with Thermal Constraints," in IEEE/ACM International Symposium on Low Power Electronics and Designs (ISLPED), pp. 292-297, Tegernsee, Germany, 2006. [PDF]

[C-06-06] Yongsoo Joo, Yongseok Choi, Chanik park, Sung Woo Chung, Eui-Young Chung and Naehyuck Chang, "Demand Paging for OneNAND Flash eXecute-In-Place," in IEEE/ACM/IFIP International Conference on Hardware-Software Codesign and System Synthesis (CODES+ISSS), pp. 229-234, 2006.   [PDF]

[C-06-05] 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 (CODES+ISSS), pp. 41-46, 2006. [PDF]

[C-06-04] Hyunggyu Lee, Umit Y. Ogras, Radu Marclescu and Naehyuck Chang, "Design Space Exploration and Prototyping for On-Chip Multimedia Applications," in 43rd ACM/IEEE Design Automation Conference (DAC), pp. 137-142, 2006.  [PDF]

[C-06-03] Jianli Zhuo, Chaitali Chakrabarti, Naehyuck Chang and Sarma Vrudhula, "Extending the Lifetime of Fuel Cell Based Hybrid Systems," in Proceedings of the Design Automation Conference (DAC), pp. 562-567, 2006.  [PDF]

[C-06-02] 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 the Design Automation Conference (DAC), pp. 568-573, 2006.  [PDF]

[C-06-01] Umit Y. Ogras, Radu Marclescu, Hyunggyu Lee and Naehyuck Chang, "Communication Architecture Optimization: Making the Shortest Path Shorter in Regular Networks-on-Chip," in Design Automation and Test in Europe (DATE), pp. 712-717, Munich, Germany, 2006.  [PDF]

[C-05-05] Ravishankar Rao, Sarma Vrudhula and Naehyuck Chang, "Battery optimization vs energy optimization: Which to choose and when," in Proceedings of the IEEE/ACM International Conference on Computer-Aided Design (ICCAD), pp. 439-445, 2005. [PDF]

[C-05-04] Hyeonmin Lim, Kyungsoo Lee, Youngjin Cho and Naehyuck Chang, "Flip-Flop Insertion with Shifted-phase Clocks for FPGA Power Reduction," in Proceedings of the IEEE/ACM International Conference on Computer-Aided Design (ICCAD), pp. 335-342, San Jose, USA, 2005.  [PDF]

[C-05-03] Hojun Shim, Youngjin Cho and Naehyuck Chang, "Frame Buffer Compression Using a Limited-Size Code Book for Low-Power Display Systems," in Proceedings of Workshop on Embedded Systems for Real-Time Multimedia (ESTIMedia), pp. 7-12, 2005.  [PDF]

[C-05-02] Yongseok Choi, Naehyuck Chang and Taewhan Kim, "DC-DC Converter-Aware Power Management for Battery-Operated Embedded Systems," in Proceedings of the Design Automation Conference (DAC), pp. 895-900, Anaheim, USA, 2005.  [PDF]

[C-05-01] Naehyuck Chang, Hyeonmin Lim, Kyungsoo Lee, Youngjin Cho, Hyunggyu Lee and Hojun Shim, "Graduate class for system-level low-power design," in Proceedings of International Conference on Microelectronic Systems Education (MSE), pp. 31-32, 2005.  [PDF]

[C-04-03] 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, 2004.  [PDF]

[C-04-02] Youngjin Cho and Naehyuck Chang, "Memory-Aware Energy-Optimal Frequency Assignment for Dynamic Supply Voltage Scaling," in Proceedings of the International Symposium on Low Power Electronics and Design (ISLPED), pp. 387-392, 2004.  [PDF]

[C-04-01] Hojun Shim, Naehyuck Chang and Massoud Pedram, "A Compressed Frame Buffer to Reduce Display Power Consumption in Mobile Systems," in Proceedings of the Conference on Asia South Pacific Design Automation (ASP-DAC), pp. 818-823, 2004.  [PDF]

[C-03-04] Hyunggyu Lee and Naehyuck Chang, "Energy-Aware Memory Allocation in Heterogeneous Non-Volatile Memory Systems," in Proceedings of the International Symposium on Low Power Electronics and Design (ISLPED), pp. 420-423, Seoul, korea, 2003.  [PDF]

[C-03-03] Inseok Choi, Hyung Soo Kim, Heonshik Shin and Naehyuck Chang, "LPBP: Low-Power Basis Profile of the Java 2 Micro Edition," in Proceedings of the International Symposium on Low Power Electronics and Design (ISLPED), pp. 36-39, Seoul, korea, 2003. [PDF]

[C-03-02] Naehyuck Chang and Ikhwan Lee, "Embedded System Hardware Design Course Track for CS Students," in Proceedings of International Conference on Microelectronic Systems Education (MSE), pp. 49-50, 2003. [PDF]

[C-03-01] Hyunggyu Lee, Seungyep Nam and Naehyuck Chang, "Cycle-accurate Energy Measurement and High-Level Energy Characterization of FPGAs," in Proceedings of the International Symposium on Quality Electronic Design (ISQED), pp. 112-117, 2003. [PDF]

[C-02-03] Inseok Choi, Hojun Shim and Naehyuck Chang, "Low-Power Color TFT LCD Display for Hand-Held Embedded Systems," in Proceedings of the International Symposium on Low Power Electronics and Design (ISLPED), pp. 112-117, 2002. [PDF]

[C-02-02] Yongsoo Joo, Yongseok Choi, Hojun Shim, Hyunggyu Lee, Kwanho Kim and Naehyuck Chang, "Energy Exploration and Reduction of SDRAM Memory Systems," in Proceedings of the Design Automation Conference (DAC), pp. 892-897, New Orleans, USA, 2002. [PDF]

[C-02-01] Saehwa Kim, Seongsoo Hong and Naehyuck Chang, "Scenario-Based Implementation Architecture for Real-Time Object-Oriented Models," in Proceedings of the The Seventh IEEE International Workshop on Object-Oriented Real-Time Dependable Systems (WORDS), pp. 147–152, San Diego, USA, 2002. [PDF]

[C-01-01] Minseok Song, Heonshik Shin and Naehyuck Chang, "A QoS Negotiation Scheme for Efficient Failure Recovery in Multi-resolution Video Servers," in Proceedings of the 8th International Workshop on Interactive Distributed Multimedia Systems (IDMS), pp. 62–73, 2001. [PDF]

[C-00-08] 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 Seventh International Conference on Real-Time Systems and Applications (RTCSA), pp. 191–198, 2000.  [PDF]

[C-00-07] Hyosoon Lee, Heonshik Shin and Naehyuck Chang, "Checkpoint Placement for Fault-Tolerant Real-Time Systems," in in Preprints of The 16th IFAC Workshop on Distributed Computer Control Systems (DCCS), 2000. 

[C-00-06] Taewoong Kim, Heonshik Shin and Naehyuck Chang, "Deadline Assignment to Reduce Output Jitter of Real-Time Tasks," in The 16th IFAC Workshop on Distributed Computer Control Systems (DCCS), 2000. [PDF]

[C-00-05] Minyoung Sung, Naehyuck Chang, Jinsung Cho and Heonshik Shin, "Performance analysis of the BusNet Protocol for Backplane Bus-Based Interprocessor Communication," in ISCA International Conference on Parallel and Distributed Computing Systems (ISCAPDCS), 2000.  [PDF]

[C-00-04] Naehyuck Chang, Kwanho Kim and Hyun Gyu Lee, "Cycle-Accurate Energy Consumption Measurement and Analysis: Case Study of ARM7TDMI," in Proceedings of the International Symposium on Low Power Electronics and Design (ISLPED), pp. 185-190, 2000.  [PDF]

[C-00-03] Naehyuck Chang, Kwanho Kim and Jinsung Cho, "Bus Encoding for Low-Power High-Performance Memory Systems," in Proceedings of the Design Automation Conference (DAC), pp. 800-805, 2000. [PDF]

[C-00-02] Taehyoun Kim, Naehyuck Chang and Heonshik Shin, "Bounding Worst-Case Garbage Collection Time for Embedded Real-Time Systems," in the 6th IEEE Real-Time Technology and Applications Symposium (RTAS), pp. 46-55, 2000. [PDF]

[C-00-01] Taewoong Kim, Junghoon Lee, Heonshik Shin and Naehyuck Chang, "Best Case Response Time Analysis for Improved Schedulability Analysis of Distributed Real-Time Tasks," in ICDCS Workshops on Distributed Real-Time Systems (WDRTS), pp. B14-B20, 2000.  [PDF]

[C-99-03] 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, 1999.  [PDF]

[C-99-02] Hyung Seok Kim, Wook Hyun Kwon and Naehyuck Chang, "A Translation Method for Ladder Diagram with Application to a Manufacturing Process," in the 1999 IEEE International Conference on Robotics and Automation (ICRA), 1999.  [PDF]

[C-99-01] Naehyuck Chang, Wook Hyun Kwon and Jae-Hyun Park, "Implementation of synchronous Petri nets-based controller," in Pacific Conference on Manufacturing '96 Seoul, Korea, pp. 529-524, 1999.   [PDF]

[C-98-06] Namyun Kim, Taewoong Kim, Naehyuck Chang and Heonshik Shin, "Enhancing response times of end-to-end tasks using slack of local tasks," in 5th International Conference on Real-Time Computing Systems and Applications (RTCSA), pp. 21-28, 1998.  [PDF]

[C-98-05] Minyoung Sung, Taehyoun Kim, Naehyuck Chang and Heonshik Shin, "Analysis of real-time backplane bus network based on write posting," in 5th International Conference on Real-Time Computing Systems and Applications (RTCSA), pp. 166-169, Hiroshima, Japan, 1998. [PDF]

[C-98-04] 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 The 15th IFAC Workshop on Distributed Computer Control Systems (DCCS), pp. 19-24, 1998.  [PDF]

[C-98-03] Taewoong Kim, Heonshik Shin and Naehyuck Chang, "Scheduling Algorithm for Hard Real-Time Communication in Demand Priority Network," in the 10th Euromicro Workshop on Real-Time Systems (ERTS), pp. 45-52, 1998.  [PDF]

[C-98-02] 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 6th International Workshop on Parallel and Distributed Real-Time Systems (WPDRTS), pp. only in CD-ROM version, 1998.  [PDF]

[C-98-01] Seungkweon Jeong, Naehyuck Chang and Wook Hyun Kwon, "Response time driven scheduling for real-time programmable controllers with network-based I/O systems," in Algorithm and Architecture for Real Time Control Cancun, Mexico (AARTC), pp. 41-46, 1998. [PDF]

[C-97-01] Naehyuck Chang, Wook Hyun Kwon and Jaehyun Park, "Hardware implementation of real-time Petri net-based controllers," in in Preprints of IFAC/IFIP Workshop on Algorithm and Architecture for Real Time Control 1997 (AARTC), pp. 253-258, 1997. 

[C-96-02] Naehyuck Chang, Wook Hyun Kwon and Jaehyun Park, "FPGA-base implementation of synchronous Petri nets," in IECON'96, vol. 1 of 3, (Taipei, Taiwan), pp. 451-456, 1996.  [PDF]

[C-96-01] 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, Hawaii, U.S.A., 1996. 

[C-95-01] Naehyuck Chang, Jaehyun Park and Wook Hyun Kwon, "State machine-based deadline analysis of programmable controllers," in IFAC/IFIP Workshop on Algorithm and Architecture for Real Time Control 1995 (AARTC), pp. 225-232, 1995.  

[C-94-02] 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 International Conference on Information Technology (ICIT), pp. 474-751, 1994.  [PDF]

[C-94-01] Wook Hyun Kwon, Jaehyun Park and Naehyuck Chang, "Real-time bus for multiprocessor-based programmable controller," in IEEE International Conference on Embedded and Real-Time Computing Systems and Applications (RTCSA), pp. 38-42, 1994. 

[C-93-01] Naehyuck Chang, Jaehyun Park, Kyeonghoon Koo and Wook Hyun Kwon, "Memory-based implementation of a Petri-net for a programmable controller," in Annual Conference of the IEEE Industrial Electronics Society (IECON), Vol. 1 of 3, pp. 613-618, 1993.   [PDF]

[C-92-01] Jaehyun Park, Naehyuck Chang and Wook Hyun Kwon, "Implementation of parallel logic solving algorithm for PLC based on the dataflow architecture," in Preprints of IFAC/IFIP Workshop on Algorithm and Architecture for Real Time Control 1992, (AARTC), pp. 67-72, 1992. 

[C-91-01] Wook Hyun Kwon, Jong-il Kim, and Naehyuck Chang, "Architecture of a ladder solving processor (LSP) for programmable controllers," in Proceedings of the International Conference on Industrial Electronics, Control and Instrumentation 1991, (IECON), pp. 1418-1424, 1991.  [PDF]