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Partial feedback linearization control for 3-D underactuated overhead crane systems
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DOI：10.1016/j.isatra.2016.06.015.png)
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摘要
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In this paper, a novel anti-swing control method is proposed for 3-dimensional (3-D) underactuated overhead crane systems, which guarantees fast transportation and efficient swing suppression. Specifically, to increase the performance of the payload swing suppression, a swing-suppressing element is introduced, based on which a novel positioning error signal is constructed. Then, a new control method is developed, and the overall system is divided into two subsystems. The stability analysis of the two subsystems and the overall system is given. In addition, the convergence of the system states is proved. Simulation results are provided to demonstrate the superior performance of the proposed controller over the existing controllers. Meanwhile, the practical performance of the proposed controller is experimentally validated on a portable overhead crane test-bed. (C) 2016 ISA. Published by Elsevier Ltd. All rights reserved.
Keyword:
underactuated overhead crane
Input-to-state stable (ISS)
Small gain theorem
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2.0W
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