Composite Adaptive Sliding Mode Control for Electrical Servo System using Multiple Models

2011 ◽  
Vol 10 (9) ◽  
pp. 1673-1682
Author(s):  
Yubin Wan ◽  
Chanjuan Hu ◽  
Dian Wang ◽  
Lipeng Wang
Keyword(s):  
Sliding Mode Control ◽  
Sliding Mode ◽  
Servo System ◽  
Adaptive Sliding Mode Control ◽  
Multiple Models ◽  
Adaptive Sliding Mode ◽  
Mode Control

Adaptive sliding mode control for AC servo system based on Kalman filter

2014 ◽  
Vol 22 (8) ◽  
pp. 2088-2095 ◽  
Author(s):  
邓永停 DENG Yong-ting ◽  
李洪文 LI Hong-wen ◽  
王建立 WANG Jian-li ◽  
贾建禄 JIA Jian-lu
Keyword(s):  
Kalman Filter ◽  
Sliding Mode Control ◽  
Sliding Mode ◽  
Servo System ◽  
Adaptive Sliding Mode Control ◽  
Ac Servo System ◽  
Adaptive Sliding Mode ◽  
Mode Control ◽  
Ac Servo

Observer-based adaptive sliding mode control for pneumatic servo system

2013 ◽  
Vol 37 (3) ◽  
pp. 522-530 ◽  
Author(s):  
Yung-Tien Liu ◽  
Tien-Tsai Kung ◽  
Kuo-Ming Chang ◽  
Sheng-Yuan Chen
Keyword(s):  
Sliding Mode Control ◽  
Sliding Mode ◽  
Servo System ◽  
Adaptive Sliding Mode Control ◽  
Adaptive Sliding Mode ◽  
Mode Control ◽  
Pneumatic Servo System

Adaptive Sliding Mode Control of Servo System

2014 ◽  
Vol 556-562 ◽  
pp. 2466-2469
Author(s):  
Yue Fei Wu ◽  
Da Wei Ma ◽  
Gui Gao Le
Keyword(s):  
Sliding Mode Control ◽  
Sliding Mode ◽  
Servo System ◽  
Lyapunov Theory ◽  
Adaptive Sliding Mode Control ◽  
Switching Function ◽  
Control Input ◽  
Adaptive Sliding Mode ◽  
Mode Control ◽  
Chebyshev Neural Network

A novel adaptive sliding mode control is proposed to guarantee high precision and robustness of servo system of rocket launcher. An improved PID switching function is designed to smooth control input, meanwhile Chebyshev neural network is adopted to identify the system’s Jacobian information, and parameters of controller can be acquired by self-tuning law which can be derived by Lyapunov theory. Simulation results show the control input is chattering-free, and both load disturbance and parameter perturbation can be compensated.

scholarly journals Adaptive Sliding Mode Control of a Nonlinear Electro-hydraulic Servo System for Position Tracking

Mechanika ◽  
2019 ◽  
Vol 25 (4) ◽  
pp. 283-290
Author(s):  
Mingxing YANG ◽  
Qi ZHANG ◽  
Xinliang LU ◽  
Ruru XI ◽  
Xingsong WANG
Keyword(s):  
Sliding Mode Control ◽  
Sliding Mode ◽  
External Disturbance ◽  
Servo System ◽  
Projection Algorithm ◽  
Adaptive Sliding Mode Control ◽  
Unknown Parameters ◽  
Adaptive Sliding Mode ◽  
Mode Control ◽  
Control Scheme

In view of the electro-hydraulic position servo system with parameter uncertainty and bounded disturbances, an improved adaptive sliding mode control scheme is proposed. The mathematical model of the valve-controlled system is first constructed with consideration of the external disturbance, matched and mismatched unknown parameters. Then, the parametric adaptive estimation laws are established by Lyapunov technique to estimate the generalized uncertainty parameters, and the discontinuous projection algorithm is used to ensure the boundedness of parameter estimation. In order to eliminate the chattering phenomenon in sliding mode control, the saturation function is designed to replace the sign function and the gain coefficient is adjustable on the sliding surface. Finally, the comparative experimental results clarify that the proposed control scheme has better control performance than the PID controller and the SMC controller.

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