{"title":"Comparison of five different approaches for real time digital feedback control of PWM inverters","authors":"A. Kawamura, T. Yokoyama","doi":"10.1109/IAS.1990.152307","DOIUrl":null,"url":null,"abstract":"The five schemes are resistive-load-based deadbeat (DB) control, disturbance-observer-based DB control I. disturbance-observer-based DB control II, internal-model-principle-based pole placement, and digital proportional-integral (PI) control. The control schemes are applicable to single-phase and three-phase balanced-load inverter systems because the balanced three-phase system can be converted to two decoupled single phase systems. The modification of the control law from a single-phase to a three-phase system is explained. Simulations were performed in both systems, and experiments were carried out in the three-phase PWM inverter system. The disturbance-observer-based I and the digital PI control schemes yielded the best overall performance. The former is better in terms of total harmonic distortion for a nonlinear load, but the latter is based on a much simpler algorithm.<<ETX>>","PeriodicalId":185839,"journal":{"name":"Conference Record of the 1990 IEEE Industry Applications Society Annual Meeting","volume":"274 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1990-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"57","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Conference Record of the 1990 IEEE Industry Applications Society Annual Meeting","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IAS.1990.152307","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 57
Abstract
The five schemes are resistive-load-based deadbeat (DB) control, disturbance-observer-based DB control I. disturbance-observer-based DB control II, internal-model-principle-based pole placement, and digital proportional-integral (PI) control. The control schemes are applicable to single-phase and three-phase balanced-load inverter systems because the balanced three-phase system can be converted to two decoupled single phase systems. The modification of the control law from a single-phase to a three-phase system is explained. Simulations were performed in both systems, and experiments were carried out in the three-phase PWM inverter system. The disturbance-observer-based I and the digital PI control schemes yielded the best overall performance. The former is better in terms of total harmonic distortion for a nonlinear load, but the latter is based on a much simpler algorithm.<>
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