Active Disturbance Rejection Control for Nonaffined Globally Lipschitz Nonlinear Discrete-time Systems

2021 ◽  
pp. 1-1
Author(s):  
Ronghu Chi ◽  
Yu Hui ◽  
Biao Huang ◽  
Zhongsheng Hou
Keyword(s):  
Discrete Time ◽  
Disturbance Rejection ◽  
Active Disturbance Rejection Control ◽  
Active Disturbance Rejection ◽  
Discrete Time Systems ◽  
Disturbance Rejection Control ◽  
Time Systems

scholarly journals A Delta Operator Approach for the Discrete-Time Active Disturbance Rejection Control on Induction Motors

2013 ◽  
Vol 2013 ◽  
pp. 1-9 ◽  
Author(s):  
John Cortés-Romero ◽  
Alberto Luviano-Juárez ◽  
Hebertt Sira-Ramírez
Keyword(s):  
Discrete Time ◽  
Disturbance Rejection ◽  
Induction Motors ◽  
Controller Design ◽  
Delta Operator ◽  
Active Disturbance Rejection Control ◽  
Operator Approach ◽  
Time Control ◽  
Active Disturbance Rejection ◽  
Disturbance Rejection Control

The problem of active disturbance rejection control of induction motors is tackled by means of a generalized PI observer based discrete-time control, using the delta operator approach as the methodology of analyzing the sampled time process. In this scheme, model uncertainties and external disturbances are included in a general additive disturbance input which is to be online estimated and subsequently rejected via the controller actions. The observer carries out the disturbance estimation, thus reducing the complexity of the controller design. The controller efficiency is tested via some experimental results, performing a trajectory tracking task under load variations.

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