用于井下电机车储能电池模拟器的自适应模糊PI控制

Self-adaptive fuzzy PI control of energy storage battery simulator for mining underground locomotive

为了解决煤矿井下电机车电池组充放电过程缓慢而造成电池组相关试验效率低和过程复杂的问题,采用全桥整流器结构的电池模拟器,模拟电池组充放电过程中的输出电压与电流等外在特性。为了保证电池模拟器在充放电过程的不同阶段、充放电模式切换以及负载突变等情况下,其外在特性尤其是输出直流电压仍能够保持稳定并且更加接近直流电压源的特性,提出了采用自适应模糊PI控制策略提高电池模拟器的动态性能和稳定性。

In order to solving the problem of low efficiency and complex process in battery pack relative experiments leading by slowing of charge-discharge process,the authors took battery simulator with full-bridge rectifier to simulated output voltage and current characteristics of battery pack during charge-discharge process and provided that using self-adaptive fuzzy PI control strategy to improve dynamic property and stability of battery simulator and the external characteristics could remain stable and closer to DC voltage source characteristics particularly output direct voltage under the circumstances such as different stages of charge-discharge,switch charge-discharge modes and load suddenly changing.