Flywheel Battery Charge And Discharge Control System Research And Application

As a new concept of flywheel battery,it has a high density, high power output, rapid charge and discharge time, no pollution, nature and long life advantages, with energy shortages, worsening pollution increasingly today, the research and development of the flywheel battery is very important.Under reading a lot of domestic and foreign study about flywheel battery, this paper for the purpose of the application of the flywheel battery on the electric vehicle and uninterruptible power supply(UPS).I complete the design of hardware and software about flywheel battery charge and discharge control system.This system Chose the TMS320F2812 as the system controller, and the system is on the safe side and higher efficiency, because of using the field oriented controlled modem technology and the Boost-Buck converter of DC, the closed loop control of current and speed,and combining with many ways of safeguard and reducing power wasting.The paper chose permanent magnet synchronous motor(PMSM)as the flywheel motor according to the character of the fly wheel storage system.The simulation model of PMSM control system is built in MATLAB.The feasibility of the simulation model is proved.Then,because the flywheel motor has non-linearity, close coupling and time-variance and the system also receives disturbance in varying degrees,it is difficult for traditional PID controller to achieve satisfactory control effect of higher precision. So the paper research into the intelligent control to flywheel store system. The theory of fuzzy logic control is elaborated detailedly. The fuzzy self-adjusting PID controller is designed and used as the speed controller of current and speed double loops PMSM vector control system. The simulation results prove that the system has good dynamic performance and robustness.