期刊
MECHATRONICS
卷 53, 期 -, 页码 8-19出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.mechatronics.2018.05.006
关键词
Fractional order calculus; Fractional order sliding mode control; Fractional order disturbance observer; Mismatched uncertain
类别
资金
- National Natural Science Foundation of China [61573050]
- State Key Laboratory of Synthetical Automation for Process Industry at the Northeastern University [PAL-N201702]
This article proposes a novel fractional order sliding mode control for a class of fractional order and integer order systems with mismatched disturbances. First, a new fractional order disturbance observer is designed to estimate the fractional order differential of the mismatched disturbance directly. Second, the fractional order sliding surface and controller are proposed based on the designed disturbance observer. Our method can deal with mismatched disturbance and has better control performance with faster response speed, lower overshoot, and less chattering effect. The simulations on Quad-Rotor UAV and Maglev suspension systems demonstrate the effectiveness of the proposed method.
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