• 智能系统及应用 •

### 不确定Delta算子系统的滑模软切换控制

1. 潍坊学院信息与控制工程学院 潍坊261061,潍坊学院信息与控制工程学院 潍坊261061,哈尔滨工业大学威海数学系 威海264209,潍坊学院信息与控制工程学院 潍坊261061
• 出版日期:2018-11-14 发布日期:2018-11-14
• 基金资助:
本文受国家自然科学基金项目(61403283,7),山东省自然科学基金项目(ZR2012FL06,ZR2013FQ036),山东省高等学校科技计划项目(J14LN52),潍坊市科学技术发展计划项目(2014GX022)资助

### Soft Switching Control for Uncertain Delta Operator Systems Based on Sliding Mode

LIU Yun-long, WANG Yu-mei, KAO Yong-gui and WANG Wen-cheng

• Online:2018-11-14 Published:2018-11-14

Abstract: Aiming at high speed sampling control systems with internal parameter perturbation and external disturbance,a novel Delta operator reaching law method,called S-type variable rate reaching law,was concerned based on sigmoid function,and a soft switching control for uncertain Delta operator systems was proposed based on sliding mode.Soft switching controller for continuous time systems and discrete-time systems can be unified into those of Delta operator systems via the principle of Delta operator sampling.The closed loop-string high speed sampling soft switching controller design based on sliding mode via Delta operator S-variable rate reaching law can reach the scope of the switching plane in limited moment,and reduce system flutter effectively.The simulation results demonstrate that the stability and process steady of the proposed controller are better than those of conventional exponential reaching law method,and the controller has a good completely robustness in entire dynamic process.

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