Mingzhi He, Jianping Xu, Zhongwen Zhou, Ni Chen, Guohua Zhou
{"title":"Nonlinear Compensation in Digital Controller of Switching DC-DC Converters","authors":"Mingzhi He, Jianping Xu, Zhongwen Zhou, Ni Chen, Guohua Zhou","doi":"10.1109/ICCCAS.2007.4348278","DOIUrl":null,"url":null,"abstract":"Digital control of switching dc-dc converters brings many benefits including capability to implement advanced control algorithm that is often complex. Nonlinear compensation function with digital PID of power coefficients is proposed in this paper. The describing function is adopted for analysis. The transient response under different load variations is investigated by simulation and compared with the converters employing linear PID compensation. The experiment system is also set up on PGA platform to verify the analysis and simulation results. By comparison, nonlinear compensated converter has much better transient performance than the linear compensated one.","PeriodicalId":218351,"journal":{"name":"2007 International Conference on Communications, Circuits and Systems","volume":"23 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2007 International Conference on Communications, Circuits and Systems","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICCCAS.2007.4348278","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
Digital control of switching dc-dc converters brings many benefits including capability to implement advanced control algorithm that is often complex. Nonlinear compensation function with digital PID of power coefficients is proposed in this paper. The describing function is adopted for analysis. The transient response under different load variations is investigated by simulation and compared with the converters employing linear PID compensation. The experiment system is also set up on PGA platform to verify the analysis and simulation results. By comparison, nonlinear compensated converter has much better transient performance than the linear compensated one.
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