{"title":"一种线性时变控制方法及其在硬盘伺服系统中的应用","authors":"C. Thum, C. Du, B.M. Chen, E. Ong, K. Tan","doi":"10.1109/IECON.2007.4459915","DOIUrl":null,"url":null,"abstract":"A novel linear time-varying (LTV) control scheme is developed to perform short/mid-span seeking and track- following. This new scheme uses the concept behind the conventional composite nonlinear feedback (CNF) scheme to exhibit fast and smooth seeking. Having two nonlinear time components that are independent of seek length to adjust the feedback gain, the proposed scheme displays a notably better performance robustness against variations in seek length during short/mid-span seeking as well as 25.3% more head positioning accuracy during track-following over the conventional CNF control.","PeriodicalId":199609,"journal":{"name":"IECON 2007 - 33rd Annual Conference of the IEEE Industrial Electronics Society","volume":"10 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A Linear Time-Varying Control Scheme and Its Application to a Hard Disk Drive Servo System\",\"authors\":\"C. Thum, C. Du, B.M. Chen, E. Ong, K. Tan\",\"doi\":\"10.1109/IECON.2007.4459915\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A novel linear time-varying (LTV) control scheme is developed to perform short/mid-span seeking and track- following. This new scheme uses the concept behind the conventional composite nonlinear feedback (CNF) scheme to exhibit fast and smooth seeking. Having two nonlinear time components that are independent of seek length to adjust the feedback gain, the proposed scheme displays a notably better performance robustness against variations in seek length during short/mid-span seeking as well as 25.3% more head positioning accuracy during track-following over the conventional CNF control.\",\"PeriodicalId\":199609,\"journal\":{\"name\":\"IECON 2007 - 33rd Annual Conference of the IEEE Industrial Electronics Society\",\"volume\":\"10 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IECON 2007 - 33rd Annual Conference of the IEEE Industrial Electronics Society\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IECON.2007.4459915\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IECON 2007 - 33rd Annual Conference of the IEEE Industrial Electronics Society","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IECON.2007.4459915","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A Linear Time-Varying Control Scheme and Its Application to a Hard Disk Drive Servo System
A novel linear time-varying (LTV) control scheme is developed to perform short/mid-span seeking and track- following. This new scheme uses the concept behind the conventional composite nonlinear feedback (CNF) scheme to exhibit fast and smooth seeking. Having two nonlinear time components that are independent of seek length to adjust the feedback gain, the proposed scheme displays a notably better performance robustness against variations in seek length during short/mid-span seeking as well as 25.3% more head positioning accuracy during track-following over the conventional CNF control.
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