{"title":"Time-optimal control application for an exoatmospheric interceptor","authors":"S.D. Cragon","doi":"10.1109/NTC.1991.147983","DOIUrl":null,"url":null,"abstract":"The optimum control solution for the capture of an exoatmospheric interceptor's attitude and rate errors is derived. A practical application of the method is investigated by considering the timing constraints imposed by the pulsewidth modulation scheme, and, as a result, timing logic for the thruster firings is derived. The concept is verified by comparing a three-pulse capture with the optimum two-pulse capture and the two-pulse capture with wait time using a 6-DOF simulation of an exoatmospheric interceptor. This comparison demonstrates a considerable improvement in the response time of the control.<<ETX>>","PeriodicalId":320008,"journal":{"name":"NTC '91 - National Telesystems Conference Proceedings","volume":"17 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"NTC '91 - National Telesystems Conference Proceedings","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/NTC.1991.147983","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
The optimum control solution for the capture of an exoatmospheric interceptor's attitude and rate errors is derived. A practical application of the method is investigated by considering the timing constraints imposed by the pulsewidth modulation scheme, and, as a result, timing logic for the thruster firings is derived. The concept is verified by comparing a three-pulse capture with the optimum two-pulse capture and the two-pulse capture with wait time using a 6-DOF simulation of an exoatmospheric interceptor. This comparison demonstrates a considerable improvement in the response time of the control.<>
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