Permanent magnet synchronous linear motor continuous control set model prediction control method based on quadratic optimization

The invention discloses a permanent magnet synchronous linear motor continuous control set model prediction control method based on quadratic optimization, and relates to the technical field of permanent magnet synchronous linear motor control. The method comprises the following specific steps: analyzing a basic mathematical model of the surface-mounted permanent magnet synchronous linear motor to obtain a stator current state equation under a rotating coordinate system; designing a cost function, and considering an error between a current prediction value and a reference value and switching loss generated by switching changes at previous and later moments. According to the method, a cost function of coupling multiple variables is converted into a quadratic optimization problem easy to calculate through matrix conversion, the online calculation amount based on multi-step prediction of a traditional traversal method is reduced, a better control effect is achieved compared with one-step prediction, and current