Study On Field Oriented Linear Synchronous Motor Control System Based On DSP

The field oriented control theory and the linear synchronous motor control system based on DSP are studied and analyzed deeply in the thesis.The speed control algorithms for field oriented control and PWM technology are studied in detail firstly, and the advantages and disadvantages between Sine PWM and Space Vector PWM are presented. Then the operation principle and some characteristics of linear synchronous motor is studied and the maths model of linear synchronous motor in d-q axis is established. According to the theory of linear synchronous motor ,the simulation model of linear synchronous motor and control system based SIMULINK are also set up. And transient and stable simulation of the control system is carried out. The simulation result shows that the closed loop control system is reliable and accurate.The hardware circuit and softare design of the field oriented control system based on DSP are detailedly introduced finally. The flow chart of control system is also presented. And the hardware circuit and software of the control system is tested. The result of experiment shows high performance of the field oriented control system and demonstrate accuracy of software design of the control system.