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Abstract

Permanent magnet synchronous motor is the key equipment in modern industry and intelligent manufacturing, at the same time, the environment for permanent magnet synchronous motor work is also diverse. Through digital twin technology to solve the problem of understanding the working conditions of permanent magnet synchronous motor, not only greatly improves the work efficiency but also can improve the utilization degree of permanent magnet synchronous motor. Aiming at the problem of digital twin realization of permanent magnet synchronous motor, a method combining finite element analysis and Unity3D dynamic display technology is proposed. In order to realize the purpose of the digital twin and the function of data driving and data mapping, the motor running data is obtained by analyzing the state of a motor with finite element analysis technology. The radial basis function (RBF) interpolation is used to calculate the speed condition without finite element analysis, thus realizing the finite element data of the full speed condition of the permanent magnet synchronous motor. The digital twin platform of the permanent magnet synchronous motor is established by Unity3D software, which can realize the functions of virtual and real mutual control, real-time connection, and state monitoring.