J. Ferron, A. Kellman, E. McKee, T. Osborne, P. Petrach, T. Taylor, J. Wight, E. Lazarus
{"title":"An advanced plasma control system for the DIII-D tokamak","authors":"J. Ferron, A. Kellman, E. McKee, T. Osborne, P. Petrach, T. Taylor, J. Wight, E. Lazarus","doi":"10.1109/FUSION.1991.218736","DOIUrl":null,"url":null,"abstract":"An advanced plasma control system is being implemented for the DIII-D tokamak utilizing digital technology. This system will regulate the position and shape of tokamak discharges that range from elongated limiter to single-null divertor and double-null divertor with elongation as high as 2.6. Through use of a control algorithm which can be varied in real time this system is expected to provide more precise control of the DIII-D discharge shape than is possible in the analog control system presently in use. In addition to shape control the system will provide a platform for research on real-time optimization of discharge performance. A relatively simple design has been achieved through the use of a small number of very-high-speed digital processors coupled with high-speed data acquisition hardware. The frequency response is expected to be adequate to control the unstable vertical motion of highly elongated discharge shapes.<<ETX>>","PeriodicalId":318951,"journal":{"name":"[Proceedings] The 14th IEEE/NPSS Symposium Fusion Engineering","volume":"4 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1991-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"23","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"[Proceedings] The 14th IEEE/NPSS Symposium Fusion Engineering","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/FUSION.1991.218736","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 23
Abstract
An advanced plasma control system is being implemented for the DIII-D tokamak utilizing digital technology. This system will regulate the position and shape of tokamak discharges that range from elongated limiter to single-null divertor and double-null divertor with elongation as high as 2.6. Through use of a control algorithm which can be varied in real time this system is expected to provide more precise control of the DIII-D discharge shape than is possible in the analog control system presently in use. In addition to shape control the system will provide a platform for research on real-time optimization of discharge performance. A relatively simple design has been achieved through the use of a small number of very-high-speed digital processors coupled with high-speed data acquisition hardware. The frequency response is expected to be adequate to control the unstable vertical motion of highly elongated discharge shapes.<>
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