作　　者： (高晓宇）; (韩志平）; (田德文）; (刘华源）;

机构地区： 中国北方车辆研究所,北京100072

出　　处： 《车辆与动力技术》 2017年第3期26-31,共6页

摘　　要： 针对车载高压直流电源在发动机转速、供电负载频繁发生突变时输出直流电压产生波动的问题,提出了超前-滞后补偿策略,采用复合控制的方式对输出电压进行控制.仿真和台架试验的结果表明,该控制策略实现了在发动机转速及电源负载发生突变时对直流电源输出电压的稳定控制. Targeting the problem of the vehicle-mounted high voltage DC power supply＇ s output fluctuation that caused by engine speed fluctuation or output load variation,a lead-lag compensation strategy was presented to improve the original BUCK converter control strategy by analyzing the theory of the output fluctuation. By using the composite control strategy,the output voltage of DC power supply was controlled steadily when the engine speed and load change frequently. Simulation and test results show that the control strategy is feasible and effective.

关 键 词： 高压直流电源 变换器 超前 滞后补偿策略