scholarly journals Second Order Sliding Mode Control of the Coupled Tanks System

2015 ◽  
Vol 2015 ◽  
pp. 1-9 ◽  
Author(s):  
Fayiz Abu Khadra ◽  
Jaber Abu Qudeiri
Keyword(s):  
Performance Measures ◽  
Sliding Mode ◽  
Absolute Error ◽  
Second Order ◽  
Liquid Level ◽  
First Order ◽  
Sliding Mode Controllers ◽  
The Time Domain ◽  
Domain Performance ◽  
Second Order Sliding Mode

Four classes of second order sliding mode controllers (2-SMC) have been successfully applied to regulate the liquid level in the second tank of a coupled tanks system. The robustness of these classes of 2-SMC is investigated and their performances are compared with a first order controller to show the merits of these controllers. The effectiveness of these controllers is verified through computer simulations. Comparison between the controllers is based on the time domain performance measures such as rise time, settling time, and the integral absolute error. Results showed that controllers are able to regulate the liquid level with small differences in their performance.

Angular Velocity Stabilization of a Rigid Body Via VSS Control

2000 ◽  
Vol 122 (4) ◽  
pp. 669-673 ◽  
Author(s):  
T. Floquet ◽  
W. Perruquetti ◽  
J.-P. Barbot
Keyword(s):  
Angular Velocity ◽  
Rigid Body ◽  
Finite Time ◽  
Sliding Mode ◽  
Variable Structure ◽  
External Disturbances ◽  
First Order ◽  
Finite Time Convergence ◽  
Sliding Mode Controllers ◽  
Second Order Sliding Mode

This paper is devoted to the stabilization of the angular velocity of a rigid body via variable structure based controllers. The system is supposed to have only two control torques and to be subject to external disturbances. A finite time convergence is obtained by switching between a first-order and a second-order sliding mode controllers. [S0022-0434(00)00304-X]

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