Motion and Control Laboratory,
Department of Mechanical Engineering,
Floor M, 30 Years Anniversary Building,
Faculty of Engineering,
Chiang Mai University,
239 Huay Gaew Rd., Suthep,
Muang, Chiang Mai 50200
Tel. 66 53 944146 Ext 225
email: wong@me.eng.cmu.ac.th
Department of Mechanical Engineering, Chiang Mai University