Abstract |
An interactive methodology where a prototype is followed by refinements of the model requirements and a design that cycles back into the development of the final model is called protocycling. A protocycle methodology can be used in the design of novel electrical machines for evaluation of suitability and optimization issues: volume, torque/current ratio, bus voltage, losses and transient response. Drive systems and control strategies have been advancing promises and improvements in electric machine performance for EVs applications. Therefore, optimization of efficiency, weight, volume and wider range control are possible with good modeling for analysis and development. The present paper shows how a five phases direct-drive high torque wheel-motors machine was modeled by the interaction of the construction and electromechanical issues in order to achieve a dynamic model, useful for control strategy implementation. The dynamic model was implemented with Simulink/MATLAB and then used to design the control strategy and validate a DSP based torque loop control. |