Higher order sliding mode control based on optimal linear quadratic control

2003 ◽  
Author(s):  
S. Laghrouche ◽  
F. Plestan ◽  
A. Glumineau
Keyword(s):  
Sliding Mode Control ◽  
Sliding Mode ◽  
Higher Order ◽  
Linear Quadratic Control ◽  
Linear Quadratic ◽  
Mode Control ◽  
Optimal Linear

scholarly journals Adaptive Higher-Order Sliding Mode Control for Islanding and Grid-Connected Operation of a Microgrid

Energies ◽  
2018 ◽  
Vol 11 (6) ◽  
pp. 1459 ◽  
Author(s):  
Yaozhen Han ◽  
Ronglin Ma ◽  
Jinghan Cui
Keyword(s):  
Sliding Mode Control ◽  
Sliding Mode ◽  
Higher Order ◽  
Mode Control

Dynamic modelling and linear quadratic sliding mode control of a multivariable looper system in hot strip mills

2021 ◽  
Vol 118 (2) ◽  
pp. 215
Author(s):  
Yin Fang-Chen ◽  
Wu Xiang-Cheng
Keyword(s):  
Sliding Mode Control ◽  
Sliding Mode ◽  
Dynamic Modelling ◽  
Control Law ◽  
Linear Quadratic ◽  
Mode Control ◽  
Sliding Motion ◽  
Quadratic Performance ◽  
Hot Strip Mills ◽  
Looper System

This paper introduces a linear quadratic sliding mode control (LQ-SMC) scheme into a looper control system. First, according to a 1700 mm tandem hot mill, the state-space dynamic model of the looper system was established, and then, the optimal control law of the looper system was obtained based on the established model. Finally, the optimal sliding mode and optimal sliding mode control law of the LQ-SMC scheme were designed such that the sliding motion could satisfy the optimal value of the quadratic performance index. Simulation results show that the proposed control scheme has complete robustness to external disturbances that satisfies certain conditions, and the coupling between the looper angle dynamic and strip tension dynamic is also minimized.

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