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Robust discrete nonlinear feedback control for robotic manipulators

 

作者: Charles P. Neuman,   Vassilios D. Tourassis,  

 

期刊: Journal of Robotic Systems  (WILEY Available online 1987)
卷期: Volume 4, issue 1  

页码: 115-143

 

ISSN:0741-2223

 

年代: 1987

 

DOI:10.1002/rob.4620040108

 

出版商: Wiley Subscription Services, Inc., A Wiley Company

 

数据来源: WILEY

 

摘要:

AbstractNonlinear feedback controlalgorithms for manipulators utilize a complete (coupled and nonlinear) dynamic robot model to decouple the robot joints. In the companion article1we outlined the practical problems introduced by modeling inaccuracies, unmodeled dynamics and parameter errors. We then introduced the α‐computed‐torquenonlinear feedback control algorithm which isrobustin the presence of the aforementioned error sources. In this article, we apply the insight gained from the α‐computed‐torque algorithm to design a robust discrete‐time (accelerometer‐free) computed‐torque robot‐control algorithm founded upon our discrete dynamic robot model.2Numerical experiments with the cylindrical robot confirm both the robust disturbance rejection characteristics and the practical applicability of our discrete‐time computer‐tor

 

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