Professor

  Naehyuck Chang
    Professor

    Email: naehyuck@cad4x.kaist.ac.kr   
    Phone+82 (42) 350-7434
    Fax: +82 (42) 350-7634 
    Location: Dept. of Electrical Engineering 
                        Korea Advanced Institute of Science and Engineering (KAIST)
                        291 Yuseong-Gu Daehak Road, Daejeon 305701, Korea 


Introduction    Professional Activities    Projects    Awards    Patents

Coordinated Implementation and Processing of Multi-ECU chassis Control Algorithms

Period2007-09-01 ~ 2008-08-31
Sponsors: Hyundai Mobis
Summary: Develop chasis control algorithms
Investigators: Jihun Kim, Jaehyun Park, Naehyuck Chang


Development of Mobile Device Shared Platform Based on Core-A and Peripheral IPs

Period2007-06-01 ~ 2008-12-31
SponsorsKIPO (Korean Intellectual Property Office)
Summary:

* Shared platform is for verifying application designes using Core-A proecessors and peripheral IPs. It is also can be used to verify and develop new IPs.
- Developing hardware platform for application design such as PMP, MP3, PDA, navigator, DMB, etc. based on Corea-A and peripheral IPs.
- Verifying memory and LCD controller IPs in real development environment. 
- Developing platforms to verify FPGA target Core-A, peripheral IPs, and MPW target Core-A.
- Functional verification and application dedemonstration of PMP, MP3, PDA, navigator, DMB, etc..
- SystemC simulator corresponding developed hardware platform

Investigators

Donghwa Shin, Sangyoung Park, Jueun Seo, Jihun Kim, Younghyun Kim, Jaehyun Park, Kyungsoo Lee, Youngjin Cho, Yongsoo Joo, Naehyuck Chang


Design Space Exploration of Advanced Flash Memories

Period2007-02-01 ~ 2008-01-31
Sponsors: Samsung Electronics Co. Ltd.
SummaryDesign Space Exploration of Advanced Flash Memories
InvestigatorsJaehyun Park, Kyungsoo Lee, Yongsoo Joo, Naehyuck Chang
Related Papers

[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] [BibTeX]

[D-07-01] Yongsoo Joo, Jaehyun Park, Sung Woo Chung, Eui-Young Chung and Naehyuck Chang, "Delayed Dual Buffering: Reducing Page Faults in Demand Paging for OneNAND Flash Memory," in Journal of the Institute of Electronics Engineers of Korea (IEEK), Vol. 44-SD, pp. 43-51, 2007.   [PDF] [BibTeX]

[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] [BibTeX]


Development of a hydrogen generator with sodium borohydride for the portable embedded system

Period2006-10-01 ~ 2007-09-30
SponsorsKITECH (Korea Institute of Industrial Technology)
Summary

Overall 
-Fuel cell and hybrid system control 
-FC stack control 
-Charge management for load following 

Efficiency analysis
-The FC stack 
-Controller 
-DC-DC converters 
-Battery/capacitor charger 

Minimization of the fuel consumption 
-FC-aware power management 
-Load-aware fuel flow control and charge management

Investigators: Jihun Kim, Jaehyun Park, Kyungsoo Lee, Naehyuck Chang
Related Papers:

[J-08-01] 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, New York, USA, 2008.   [PDF] [BibTeX]

[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] [BibTeX]

[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] [BibTeX]

[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] [BibTeX]

[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] [BibTeX]

Photos:


High-speed HW/SW SoC co-simulation tool and NAT performance optimization

Period2003-04-01 ~ 2004-03-31
Sponsors: Samsung Electronics Co. Ltd.
Summary: Yongsoo Joo, Naehyuck Chang
Investigators

[J-04-03] Ikhwan Lee, Yongseok Choi, Youngjin Cho, Yongsoo Joo, Hyeonmin Lim, Hyunggyu Lee, Hojun Shim and Naehyuck Chang, "Web-based energy exploration tool for embedded systems," in IEEE Design & Test of Computers (DATC), Vol. 21, No. 6, pp. 572-586, 2004.   [PDF] [BibTeX]

[J-03-01] Hojun Shim, Yongsoo Joo, Yongseok Choi, Hyunggyu Lee and Naehyuck Chang, "Low-Energy Off-Chip SDRAM Memory Systems for Embedded Applications," in ACM Transactions in Embeded Computing Systems (TECS), Vol. 2, No. 1, pp. 98-130, 2003.   [PDF] [BibTeX]

[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] [BibTeX]