{"title":"A New Model Control DC-DC Converter to Improve Dynamic Characteristics","authors":"F. Kurokawa, S. Sukita","doi":"10.1109/PEDS.2007.4487789","DOIUrl":null,"url":null,"abstract":"We have already reported the novel digital control method \"Static Model Reference\" which is the improved smart digital reference of output voltage. In this case, the VCO (voltage controlled oscillator) is used as A/D signal converter because it has superior response and is low cost. However, prior attempts to improve the transient response have been inconclusive because this model depends on the steady-state analysis. This paper presents a new model control method of switching dc-dc converter to improve the dynamic characteristics. Furthermore, the relationship between the parameters of control circuit and the dynamic characteristics is discussed. As a result, it is seen that the dc-dc converter with a new model control has a superior transient response compared with that of the conventional control. Especially, the overshoot of the reactor current is suppressed to within 34% and this result is approximately 30% smaller than that of the conventional \"static model reference\" control.","PeriodicalId":166704,"journal":{"name":"2007 7th International Conference on Power Electronics and Drive Systems","volume":"27 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"12","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2007 7th International Conference on Power Electronics and Drive Systems","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PEDS.2007.4487789","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 12
Abstract
We have already reported the novel digital control method "Static Model Reference" which is the improved smart digital reference of output voltage. In this case, the VCO (voltage controlled oscillator) is used as A/D signal converter because it has superior response and is low cost. However, prior attempts to improve the transient response have been inconclusive because this model depends on the steady-state analysis. This paper presents a new model control method of switching dc-dc converter to improve the dynamic characteristics. Furthermore, the relationship between the parameters of control circuit and the dynamic characteristics is discussed. As a result, it is seen that the dc-dc converter with a new model control has a superior transient response compared with that of the conventional control. Especially, the overshoot of the reactor current is suppressed to within 34% and this result is approximately 30% smaller than that of the conventional "static model reference" control.
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