Mixed-variable optimal design of induction motors including efficiency, noise and thermal criteria

摘要

Squirrel cage induction motors design requires making numerous tradeoffs, especially between its audible electromagnetic noise level, its efficiency and its material cost. However, adding the vibro-acoustic and thermal models to the usual electrical model of the motor drastically increases the simulation time. A finite element approach is then inconceivable, especially if the model has to be coupled to an evolutionary optimization algorithm.