Program Architecture for Realizing Design Optimization of a BLDC Motor

The paper presents on new developments in the application of continuum design sensitivity analysis to design optimisation. Fast convergence, the ability to use existing electromagnetic software without the need to access source codes and independence of computing times on the number of design variables are the distinctive features of the proposed implementation. The design procedure of shape optimization has been integrated into MS Excel spreadsheets and Visual Basic editor so that the methodology allows designers to incorporate their own EM packages as a design tool. The computationally challenging problem of reducing cogging torque in a brushless direct current motor has been selected to illustrate the advantages of the approach in 2D and 3D optimization.