26Th Iasted International Conference on Modelling, Identification, and Control, Mic 2007, Date: 12 February 2007 through 14 February 2007, Location: Innsbruck, Sponsors: Int. Assoc. Science and Technology for Development (IASTED);Technical Committee on Modelling and Simulation;Technical Committee on Control;World Modelling and Simulation Forum (WMSF)