| 基于TMS320F2812生成移相PWM的2种办法 |
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| 引用本文： | 卢建华,郝凯敏,杨文奇,李飞,贾临生.基于TMS320F2812生成移相PWM的2种办法[J].海军航空工程学院学报,2020,35(6):478-482. |
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| 作者姓名： | 卢建华 郝凯敏 杨文奇 李飞 贾临生 |
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| 作者单位： | 海军航空大学,山东烟台264001,92283部队,上海201900 |
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| 摘 要： | 移相 PWM波是很多开关电源常用的驱动脉冲信号。双向全桥直流变换器(Bidirectional-Full-Bridge DCDC Converter,BDC)在双重移相控制方式下时需要 4组两两互补的移相 PWM波。文章基于 TMS320F2812型 DSP(Digital Signal Processor)分析了 2种生成移相 PWM的方法。为提高双向全桥直流变换器工作的安全性和可靠性,为移相 PWM波设置死区时间。对所提出的方法进行测试后结果良好,对于双向全桥直流变换器闭环控制系统的构建具有重要意义。
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| 关 键 词： | 双向全桥直流变换器 TMS320F2812 双重移相控制 |
Two Methods of Generating Phase-Shifted PWM Based on TMS320F2812 |
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| LU Jianhua,HAO Kaimin,YANG Wenqi,LI Fei,JIA Linsheng.Two Methods of Generating Phase-Shifted PWM Based on TMS320F2812[J].Journal of Naval Aeronautical Engineering Institute,2020,35(6):478-482. |
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| Authors: | LU Jianhua HAO Kaimin YANG Wenqi LI Fei JIA Linsheng |
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| Institution: | Naval Aviation University, Yantai Shandong 264001, China;The 92283rd Unit of PLA, Shanghai 201900, China |
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| Abstract: | Phase-shifted PWM wave is a driving pulse signal commonly used in many switching power supplies. The bidi?rectional-full-bridge DC-DC converter requires four complementary phase-shifted PWM waves in the dual-phase-shiftcontrol mode. Two methods for generating phase-shifted PWM based on TMS320F2812 DSP are presented in this paper.In order to improve the safety and reliability of the bidirectional-full-bridge DC-DC converter, dead time is set for thephase-shifted PWM wave. The proposed method is tested with good test results, which is of great significance for the con?struction of closed-loop control system of the bidirectional full-bridge DC-DC converter. |
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| Keywords: | bidirectional-full-bridge DC-DC converter TMS320F2812 dual-phase-shift control |
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