Terminal Sliding Mode Control with a Novel Reaching Law and Sliding Mode Disturbance Observer for Inertial Stabilization Imaging Sensor

doi:10.3390/s20113107

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	Terminal Sliding Mode Control with a Novel Reaching Law and Sliding Mode Disturbance Observer for Inertial Stabilization Imaging Sensor
	X. Che,D. P. Tian,P. Jia,Y. Gao and Y. Ren
	2020
发表期刊	Sensors
卷号	20 期号:11 页码:18
摘要	High-performance control of inertial stabilization imaging sensors (ISISs) is always challenging because of the complex nonlinearities induced by friction, mass imbalance, and external disturbances. To overcome this problem, a terminal sliding mode controller (TSMC) based on a novel exponential reaching law (NERL) method with a high-order terminal sliding mode observer (HOTSMO) is suggested. First, the TSMC based on NERL is adopted to improve system performance. The NERL incorporates the power term and switching gain term of the system state variables into the conventional exponential reaching law, and the convergent speed of the TSMC is accelerated. Then, an HOTSMO is designed, which considers the speed and lumped disturbances of the system as the observation object. The estimated disturbance is then provided as a compensation for the controller, which enhances the disturbance rejection ability of the system. Comparative simulation and experimental results show that the proposed method achieves the best tracking performance and the strongest robustness than PID and the traditional TSMC methods.
DOI	10.3390/s20113107
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收录类别	SCI ; EI
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/64948
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	X. Che,D. P. Tian,P. Jia,Y. Gao and Y. Ren. Terminal Sliding Mode Control with a Novel Reaching Law and Sliding Mode Disturbance Observer for Inertial Stabilization Imaging Sensor[J]. Sensors,2020,20(11):18.
APA	X. Che,D. P. Tian,P. Jia,Y. Gao and Y. Ren.(2020).Terminal Sliding Mode Control with a Novel Reaching Law and Sliding Mode Disturbance Observer for Inertial Stabilization Imaging Sensor.Sensors,20(11),18.
MLA	X. Che,D. P. Tian,P. Jia,Y. Gao and Y. Ren."Terminal Sliding Mode Control with a Novel Reaching Law and Sliding Mode Disturbance Observer for Inertial Stabilization Imaging Sensor".Sensors 20.11(2020):18.

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