Asian Journal of Control

The Chinese Automatic Control Society is a regional organization of members with professional interests in automatic control. To serve the members by setting up a forum for technical discussion, the society publishes the Asian Journal of Control which is a quarterly technical journal. Members after annual membership payment of US$20 will only need to pay additional fee US$25 to receive the annual subscription.

EDITORIAL BOARD
K.-W. Han, Advisory Editor Dept. of Electrical Eng. Yuan-Ze Univ. Taoyuan Tel:(+886-3)4638800	Han-Fu Chen, Advisory Editor Institute of Systems Science Chinese Academy of Sciences Beijing Tel:(+86-10)6257954 E-mail:hfchen@iss03.iss.ac.cn
Hidenori Kimura, Editor-in-Chief The Institute of Physical and Chemical Research Bio Mimetic Control research center 2271-130, Horagahara, Shimo-shidanmi, Moriyamaku, Nagoya, 463-0003, Japan TEL: +81-52-736-5861 FAX:+81-52-736-5862 E-mail:hkimura@brain.riken.jp	Li-Chen Fu, Editor-in-Chief Dept. of Electrical Eng. Dept. of Computer Science & Information Eng. National Taiwan Univ. Taipei Tel: (+886-2)23622209 E-mail:lichen@ccms.ntu.edu.tw

Editors
Chen, Bor-Sen Dept. of Electrical Engineering National Tsing Hua University Hsinchu, Taiwan E-mail:bschen@moti.ee.nthu.edu.tw	Goodwin, Graham Center for Integrated Dynamics and Control Dept. of Electrical and Computer Engineering The University of Newcastle, Australia E-mail:eegcg@cc.newcastle.edu.au
Hang, C.C. Division of Engineering & Technology Management Faculty of Engineering National University of Singapore 7 Engineering Dr 1 Singapore 117574 Blk E3A 04-09 E-mail:etmhead@nus.edu.sg	Kwon, Wook Hyun School of Electrical Engineering Seoul National University San 56-1, Shilim-dong, Kwanak-ku Seoul, 151-742, Korea E-mail:whkwon@cisl.snu.ac.kr
Sano, Akira Dept. of Systems. Design Engineering Keio Universty 3-14-1 Hiyoshi, Kohoku-ku Yokohama 223-8522, Japan E-mail: sano@okosama.org	Sastry, Shankar Dept. of Electrical Engineering and Computer Science University of California, Berkeley CA 94720-1770, U.S.A. E-mail:sastry@robotics.eecs.berkeley.edu
Tarn, T.J. Systems Science and Mathematics Dept. Campus Box 1040 Washington University, St. Louis, MO 63130, U.S.A. E-mail:tarn@wurobot.wustl.edu	Tjokronegoro, Harijono A. Institute of Technology Bandung Ganesha No. 10 Bandung 40132 E-mail:hanegoro@indo.net.id
Tomizuka, Masayoshi Dept. of Mechanical Engineering University of California, Berkeley 500B Etcheverry Hall CA 94720-1740, U.S.A. E-mail:tomizuka@me. Berkeley.EDU	Vidyasagar, M. TATA Consultancy Services No.1 Software Units Layout Madhapur, Hyderabad 500081 India E-mail:sagar@atc.tcs.com ; m.vidyasagar@tcs.com
Yeh, Fang-Bo Dept. of Mathematics TungHai University Taichung, Taiwan E-mail: f.b.yeh@math.thu.edu.tw	Zheng, Da-Zhong Dept of Automation Tsinghua University Beijing 100084, China E-mail:dauzdz@mail.tsinghua.edu.cn

Associate Editors
Prof. Rob. Evans Dept. of Electrical and Electronic Eng, University of Melbourne Grattan St. Parkville, Victoria, 3052 Australia E-mail: r.evans@ee.mu.oz.au	Prof. Haitao Fang Lab. of Systems and Control Academy of Mathematics and Systems Science Chinese Academy of Sciences Zhongguancun Donglu 55, Beijing, 100080, Pr. China E-mail:htfang@iss.ac.cn
Prof. I-Kong Fong Dept. of Electrical Eng. National Taiwan University Taipei. Taiwan E-mail: ikfong@cc.ee.ntu.edu.tw	Prof. Daniel Ho Dept. of Mathematics City University of Hong Kong 83 Tat Chee Avenue, Kowloon, Hong Kong E-mail: madaniel@cityu.edu.hk
Prof. Akira Kojima Faculty of System Design Tokyo Metropolitan University Asahigaoka 6-6, Hino Tokyo 191-0065, Japan E-mail: akojima@cc.tmit.ac.jp	Prof. J. Lam Dept of Mechanical Engineering The University of Hong Kong 7/F Haking Wong Building Pokfulam Rd., Hong Kong E-mail: jlam@hku.hk
Prof. Hyeongcheol Lee Division of Electrical & Biomedical Engineering Hanyang University 17 Haengdang-dong, Seongdong-gu Seoul,133-791, South Korea E-mail:hclee@hanyang.ac.kr	Prof. Shaoyuan Li Dept. of Automation Shanghai Jiao Tong University 800 Dongchuan Rd., Shanghai, 200240, China E-mail:syli@sjtu.edu.cn
Prof. Tzuu-Hseng S. Li IC2S Laboratory Dept. of Electrical Engineering National Cheng Kung Univ. 1 University Road, Tainan 70101, Taiwan E-mail: thsli@mail.ncku.edu.tw	Prof. Kuang-Yow Lian Department of Electrical Engineering National Taipei University of Technology Taipei, Taiwan E-mail: kylian@ntut.edu.tw
Prof. Chun-Liang Lin Department of Electrical Engineering National Chung Hsing University 250, Kuo-Kuang Road Taichung 402, Taiwan E-mail: chunlin@dragon.nchu.edu.tw	Prof. Chin-Teng Lin Dept. of Electrical and Control Eng. National Chiao Tung University Hsinchu, Taiwan E-mail: ctlin@mail.nctu.edu.tw
Prof. Chih-Min Lin Department of Electrical Engineering Yuan-Ze University Tao-Yuan, Taiwan E-mail: cml@saturn.yzu.edu.tw	Prof. Guang Lu Department of Mechanical Engineering Tulane University 422 Lindy Boggs Center Tulane University New Orleans, LA 70118, USA E-mail:glu2001@yahoo.com
Dr. Yoshihiko Miyasato The Institute of Statistical Mathematics 4-6-7 Minami-Azabu, Minato-ku, Tokyo 106-8569, JAPAN E-mail : miyasato@ism.ac.jp	Prof. Mitsuji Sampei Dept. of Mechanical and Control Engineering Tokyo Institute of Technology Mbox S5-24 2-12-1 Oh-Okayama Meguro-ku Tokyo, 1528552 Japan E-mail: sampei@ctrl.titech.ac.jp
Prof. Kok Kiong Tan Dept of Electrical Engineering National University of Singapore 10 Kent Ridge Crescent Singapore 119260 E-mail: kktan@nus.edu.sg	Prof. Koji Tsumura Dept. of Information Physics and Computing University of Tokyo Hongo 7-3-1, Bunkyo-ku Tokyo 113-8656, Japan E-mail: Koji_Tsumura@ipc.i.u-tokyo.ac.jp
Prof. Kenko Uchida Dept. of Electrical, Electronica and Computer Eng. Waseda University Okubo 3-4-1, Shinjuku-ku Tokyo 169-8555, Japan E-mail: kuchida@uchi.elec.waseda.ac.jp	Prof. Yuzhen Wang School of Control Science and Engineering Shandong University 73, Jing-Shi Road Jinan 250061, PR China E-mail: yzwang@sdu.edu.cn
Prof. Shigeru Yamamoto Graduate School of Natural Science & Technology Kanazawa University Kakuma-machi, Kanazawa, Ishikawa, 920-1192, Japan Email: shigeru@t.kanazawa-u.ac.jp	Prof. Yufan Zheng Dept of Electrical and Electronic Eng. The University of Melbourne, Vic. 3052, Australia (or) Department of Computer Science East China Normal University Shanghai 200062, China E-mail: yfzheng@cs.ecnu.edu.cn y.zheng@ee.mu.oz.au

Publisher

Chinese Automatics Control Society

Society President : Li-Chen Fu

Department of Electrical Engineering, EE II-524

National Taiwan University

Tel: (+886-2) 23622209

The Asian Journal of Control is published quarterly each year, which is the successor of the journal : Journal of Control Systems and Technology. The latter starts in March 1993 and has been published already six volumes. Domestic institutional subscription rate: NT$2,400 annually; individual annual subscription rate: NT$1,000 for nonmembers, NT$500 for members. Oversea institutional subscription rate; US$120 annually; individual annual subscription rate US$50 for nonmembers, US$25 for members (including air-mail postage).