Study On Hardware In The Loop Simulation Platform Of Permanent Magnet Synchronous Motor Drive System

Permanent magnet synchronous motors (PMSM) have been utilized widely in many fields including the railway transportation, due to their small size, light weight and high efficiency. Field oriented control is commonly used in the PMSM control. The current regulator is an important part of the controller, which directly influences the effect of current control. People usually design and test the PMSM controllers by offline simulation. However, when offline simulation is applied, the controller cannot be adjusted in real time; the simulation time differs from the real time; the simulation time sometimes can be extremely long. Hardware in the loop (HIL) and Rapid Control Prototype (RCP) test have been proposed to solve the problems. Mathematical models substitutes the real controlled object in HIL test, while they are connected with the real controllers in real-time simulation, which can reduce the research payment and shorten the period. Compared with the real experiments, the HIL tests are more convenient and faster, while they are better in real time and software modifying.Following are the components of this thesis:1. The PMSM drive system consists of the PMSM, the resolver, the three-phase uncontrolled rectifier and inverter. The system model is proposed and established in this thesis, and is solved by numerical methods.2. Complex vector model is used to propose two modified current regulators. The validity of them are proved by the offline simulation.3. The structure of the permanent magnet synchronous motor drive system HIL platform is introduced, both in hardware and software.4. By comparing with the real experiment, the validity of the HIL platform is confirmed. Two modified current regulators are proved to be effective, by being tested on the HIL platform.