volume 122, issue 1, P166-173 1999
DOI: 10.1115/1.538915
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Abstract: To compensate for the effects of coupling torque and load variations experienced in SCARA-type robots, we propose a new method of sensor-based decoupling control. In this method the plant is first nominalized with the use of a disturbance observer and then nonlinear feedback control is accomplished by this nominalized system based on information from acceleration sensors installed at the end of the robot hand. As a result of high-speed reciprocal motion with a payload of 10 kg mounted on the hand, we were able…

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