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- Title
Adaptive Command-Filtered Backstepping Control for Linear Induction Motor via Projection Algorithm.
- Authors
Yan, Wenxu; Huang, Jie; Xu, Dezhi
- Abstract
A theoretical framework of the position control for linear induction motors (LIM) has been proposed. First, indirect field-oriented control of LIM is described. Then, the backstepping approach is used to ensure the convergence and robustness of the proposed control scheme against the external time-varying disturbances via Lyapunov stability theory. At the same time, in order to solve the differential expansion and the control saturation problems in the traditional backstepping, command filter is designed in the control and compensating signals are presented to eliminate the influence of the errors caused by command filters. Next, unknown total mass of the mover, viscous friction, and load disturbances are estimated by the projection-based adaptive law which bounds the estimated function and simultaneously guarantees the robustness of the proposed controller against the parameter uncertainties. Finally, simulation results are given to illustrate the validity and potential of the designed control scheme.
- Subjects
INDUCTION motors; LINEAR statistical models; ALGORITHMS; TIME-varying systems; LYAPUNOV stability
- Publication
Mathematical Problems in Engineering, 2016, p1
- ISSN
1024-123X
- Publication type
Article
- DOI
10.1155/2016/4720126