Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/72593
Title: Dynamic modeling and adaptive VSC of two-link flexible manipulators using a hybrid sliding surface
Authors: Cao, W.-J.
Xu, J.-X. 
Keywords: Adaptive estimation
Chattering elimination
Dead zone
Frequency shaped optimal sliding mode
Lyapunov direct method
Multi-link flexible manipulator
Terminal sliding mode
Variable structure control
Issue Date: 2000
Source: Cao, W.-J.,Xu, J.-X. (2000). Dynamic modeling and adaptive VSC of two-link flexible manipulators using a hybrid sliding surface. Proceedings of the IEEE Conference on Decision and Control 5 : 5143-5148. ScholarBank@NUS Repository.
Abstract: To suppress the resonance modes of flexible manipulator and to expedite the convergence, a hybrid sliding mode consisting of Frequency Shaped Optimal Sliding Mode (FSOSM) and Terminal Sliding Mode (TSM) is proposed and applied to two-link flexible manipulator, which is an extension of our previous work [1]. An Adaptive Variable Structure Control (AVSC) is designed to estimate the upper bounds on the norm of uncertainties. The adaptation law generates a relatively small gain in the initial stage to reduce the impact to the system and a higher gain at the equilibrium to lower steady state error. Dead zone scheme is introduced to further improve system robustness. Attractiveness of the dead zone for the proposed AVSC is proven. Simulation results demonstrate the effectiveness of the proposed method.
Source Title: Proceedings of the IEEE Conference on Decision and Control
URI: http://scholarbank.nus.edu.sg/handle/10635/72593
ISSN: 01912216
Appears in Collections:Staff Publications

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