{"title":"电动气动执行器两种控制规律的比较研究","authors":"X. Brun, S. Sesmat, D. Thomasset, S. Scavarda","doi":"10.23919/ECC.1999.7099780","DOIUrl":null,"url":null,"abstract":"This paper focuses on a comparison between two positioning control laws of a half meter stroke electropneumatic disymmetrical cylinder controlled by two three-way servo-distributors : a fixed gains control law and a control law with scheduling gains. Using physical laws, the first part of this paper describes a nonlinear model of this process and focuses on the difficulty for obtaining servo-distributors mass flow rates. A specific choice of the control inputs leads to a single input model. A tangent linearised model is obtained. The two different control laws are described and implemented using a well-known dSPACE interface card. Experimental results obtained for point to point control are presented and discussed.","PeriodicalId":117668,"journal":{"name":"1999 European Control Conference (ECC)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1999-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"40","resultStr":"{\"title\":\"A comparative study between two control laws of an electropneumatic actuator\",\"authors\":\"X. Brun, S. Sesmat, D. Thomasset, S. Scavarda\",\"doi\":\"10.23919/ECC.1999.7099780\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper focuses on a comparison between two positioning control laws of a half meter stroke electropneumatic disymmetrical cylinder controlled by two three-way servo-distributors : a fixed gains control law and a control law with scheduling gains. Using physical laws, the first part of this paper describes a nonlinear model of this process and focuses on the difficulty for obtaining servo-distributors mass flow rates. A specific choice of the control inputs leads to a single input model. A tangent linearised model is obtained. The two different control laws are described and implemented using a well-known dSPACE interface card. Experimental results obtained for point to point control are presented and discussed.\",\"PeriodicalId\":117668,\"journal\":{\"name\":\"1999 European Control Conference (ECC)\",\"volume\":\"18 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1999-08-31\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"40\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"1999 European Control Conference (ECC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.23919/ECC.1999.7099780\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"1999 European Control Conference (ECC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.23919/ECC.1999.7099780","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A comparative study between two control laws of an electropneumatic actuator
This paper focuses on a comparison between two positioning control laws of a half meter stroke electropneumatic disymmetrical cylinder controlled by two three-way servo-distributors : a fixed gains control law and a control law with scheduling gains. Using physical laws, the first part of this paper describes a nonlinear model of this process and focuses on the difficulty for obtaining servo-distributors mass flow rates. A specific choice of the control inputs leads to a single input model. A tangent linearised model is obtained. The two different control laws are described and implemented using a well-known dSPACE interface card. Experimental results obtained for point to point control are presented and discussed.
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