【作者】 赵欣； 高大威； 吴加加； 卢青春；

【Author】 Zhao Xin;Gao Dawei;Wu Jiajia;Lu Qingchun;State Key Laboratory of Automotive Safety and Energy,Tsinghua University;

【机构】 清华大学汽车安全与节能国家实验室；

【摘要】 本文对燃料电池汽车用辅助DC/DC变换器的数字化控制技术进行了相关研究。首先给出辅助DC/DC变换器主电路的拓扑及工作原理,然后利用数字信号处理器TMS320F2812作为核心进行控制电路的硬件设计,并对控制系统的算法进行了设计,最后,在构建电路模型的基础上,设计了过载保护、实时可变两种逻辑模式,分别进行了仿真分析。更多还原

【Abstract】 The research on the digital control technology of auxiliary DC-DC converter has been developed in the paper.Firstly,the main circuit topology and operation of auxiliary DC-DC converter are presented.The hardware of control circuit and the control algorithm are designed,adopting the digital signal processor TMS320F2812 as the core.Finally,two logic modes,overload protection and close-loop control,are designed based on the simulation model.And the analysis for simulation is carried out.更多还原