Design optimization of brush permanent magnet DC motors using response surface method

This paper describes design modifications and optimization of a brush permanent magnet DC motor. The test model was optimized using the analytical method via an equivalent circuit, and the final model simulation was performed using the finite element method (FEM). For the optimization method, a central composite design of the response surface analysis was used, and torque and current ripples were analyzed using 2-D FEM. The back-to-back test method was used to evaluate the developed model to minimize the burden on the construc-tion of the test equipment. The test results were validated through a comparison of the analysis results.