Coupled Computation of Electric Motor Design and Control Parameters Based on Ant Colonies Speed Trajectory Optimization

The multiplicity of operational and technical specifications, characterizing the design of electric drives, favors the application of coupled computation techniques. When the combined optimization of steady-state and transient-state operation is required in terms of energy efficiency versus speed performance, the coupled computation of electric motor design and control parameters can be utilized. In this paper, a particular electric motor design technique is introduced, based on the simultaneous optimization of motor steady-state performances and speed controller transient responses. The proposed methodology has been applied for the optimization of a Permanent Magnet Synchronous Machine (PMSM) drive and offered practical reduction of the complex optimization criterion cost when compared to the decoupled approach. Implementation of the resulting drive system has been undertaken, and overall performance improvements have been experimentally validated.