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http://dx.doi.org/10.5302/J.ICROS.2010.16.3.245

The Ultimate Bound of Discrete Sliding Mode Control System with Short Sampling Period for DC Motor System  

Park, Heum-Yong (고려대학교 제어계측공학과)
Jo, Young-Hun (고려대학교 제어계측공학과)
Park, Kang-Bak (고려대학교 제어계측공학과)
Publication Information
Journal of Institute of Control, Robotics and Systems / v.16, no.3, 2010 , pp. 245-248 More about this Journal
Abstract
Almost all of control schemes proposed so far have been designed in the continuous-time domain theoretically. Actual systems, however, have been implemented in the discrete-time domain since Micro Control Unit(MCU) and/or microprocessors have been used for the controllers. Thus, the overall system turned to be a sampled-data system, and generally speaking, the ultimate error cannot converge to zero in the actual system even though the proposed control algorithm showed the asymptotic stability in the continuous-time domain. In this paper, therefore, the ultimate error bound of a sampled data system with a short sampling period has been investigated. The ultimate error is shown to be related in the sampling period.
Keywords
SMC (Sliding Mode Control); ultimate bound; sampled-data system;
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