Abstract
PurposeThe purpose of this paper is to develop a multi-material topology optimization method for permanent magnet-assisted synchronous reluctance motors.Design/methodology/approachIn the proposed method, the optimization procedure consists of two steps. In the first step, the entire rotor area was selected for the design region and the distribution of the core and air materials was optimized. In the second step, the design region was limited to the air region of the former solution and the distribution of magnets and cores or magnets and air was optimized.FindingsBecause of the two-step process of the proposed method, the design parameters can be reduced compared to the conventional method. As a result, this study can prevent the solution space from becoming more complex and superior solutions can be founded effectively.Research limitations/implicationsSince limited case study is denoted in this paper, much more case studies, for example, three-dimensional optimization problems, are needed to be discussed.Practical implicationsThe optimal solutions obtained by the proposed method have a smaller magnet volume and higher average torque than that of the conventional method.Originality/valueIn the proposed methods, optimization methodology, which consists of two-steps process, is differed from the conventional method.
Published Version
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