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Finite element analysis (FEA) software is utilized to simulate and evaluate a conventional steel resolver and a 3D printed resolver (material: acrylonitrile butadiene styrene). Moreover, the magnetic flux density distribution of the resolvers is presented by the FEA software. The performances of the resolvers are discussed in time domain and frequency domain. Furthermore, a test bench is set up to prove the capabilities of resolver system.

This study compares a 3D printed resolver with a conventional resolver. The advantages of the 3D printed resolver are cheap, easy manufacture and modification. The equivalent circuit, transfer function, and Bode diagram of the resolver are presented and discussed. Furthermore, a digital signal processor (DSP)-based resolver-to-digital conversion system for 3D printed resolver and conventional resolver is built to validate the performances of the proposed scheme.