Title :
Studied on Anti-interference Control Based on the Disturbance Observer
Author :
He, Naibao ; Gao, Qian
Author_Institution :
Huaihai Inst. of Techology, Lianyungang, China
Abstract :
The adaptive law is designed to approximate the disturbance, and two controllers are designed for the slow-loop system under uncertainties and the fast-loop system in interference environment, respectively. In addition, a fast adaptive disturbance observer is employed by adding nonlinear exponential item into adaptive laws of parameters and approximating errors to make the tracking errors are converged to zero in limited time. Moreover, the control characters are systematically analyzed. Finally, the superiorities in rapidity and convergence are demonstrated by simulation analysis of the control of NSV at hypersonic speed..
Keywords :
adaptive control; control system synthesis; convergence; nonlinear control systems; observers; NSV control; anti-interference control; control characters; convergence; error approximation; error tracking; fast adaptive disturbance observer; fast-loop system; hypersonic speed; nonlinear exponential item; simulation analysis; slow-loop system; Approximation methods; Automation; Control systems; Fuzzy systems; Intelligent control; Nonlinear systems; Observers; adaptive control; disturbance observer; nonlinear systems;
Conference_Titel :
Intelligent Control and Automation (WCICA), 2012 10th World Congress on
Conference_Location :
Beijing
Print_ISBN :
978-1-4673-1397-1
DOI :
10.1109/WCICA.2012.6358294
