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A robust velocity field control
DOI:10.1109/TCST.2002.804126.png)
摘要
En 中文
This paper is devoted to velocity field control (VFC) of uncertain robotic manipulators. We propose a proportional-integral (PI)-type controller derived from modeling error compensation ideas and singular perturbation theory, that requires a minimum knowledge of the plant (i.e., constant estimate of the inertia matrix). It is shown that semiglobal practical stabilization is achieved; that is, given any compact set of initial velocity field errors, there exist PI control gains which guarantee that the robot tracks a desired velocity field with arbitrary accuracy. The proposed controller was experimentally evaluated on a two degrees-of-freedom arm.
Keyword:
integral control
semiglobal stability
uncertain robot dynamics
velocity field control (VFC)
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3.9
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4.9K
被引数:
1.7W
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