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  • 标题:Soft Variable Structure Control of Linear Systems via Desired Pole Paths
  • 本地全文:下载
  • 作者:Mojtaba Kaheni ; Mohammad Hadad Zarif ; Ali Akbarzadeh Kalat
  • 期刊名称:European Integration Studies
  • 印刷版ISSN:2335-8831
  • 出版年度:2018
  • 卷号:47
  • 期号:3
  • 页码:447-456
  • DOI:10.5755/j01.itc.47.3.18805
  • 语种:English
  • 出版社:Kaunas University of Technology
  • 摘要:In this article, a novel method of soft variable structure control of linear systems, desired pole paths, is proposed. The proposed method is helpful to reach a fast response when a continuous control signal and satisfaction of some constraints are desired. The method selects a desired path for closed loop poles instead of the exact location of poles, then the pole placement in this path is determined by solving an optimization problem subject to a control signal constraint leading to a suboptimal control structure. The stability of the proposed method is provided based on the multivariable circle criterion and the Kalman-Yakubovich-Popov lemma. A design parameter is also introduced in this paper which can adjust a tradeoff between speed of response and smoothness of the control signal. Simulation of a satellite model shows an improvement in shortening the settling time and softening the control signal compared to published soft variable structure control schemes.
  • 关键词:Circle criterion; Desired pole paths; Linear control; Nonlinear control; Variable structure control
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