Position tracking control for robot manipulators driven by induction motors without flux measurements

1996 ◽  
Vol 12 (3) ◽  
pp. 419-438 ◽  
Author(s):  
Jun Hu ◽  
D.M. Dawson ◽  
Yi Qian
Robotica ◽  
1999 ◽  
Vol 17 (2) ◽  
pp. 121-129 ◽  
Author(s):  
W.E. Dixon ◽  
M.S. de Queiroz ◽  
F. Zhang ◽  
D.M. Dawson

This paper examines the problem of link position tracking control of robot manipulators with bounded torque inputs. An adaptive, full-state feedback controller and an exact model knowledge, output feedback controller are designed to produce semi-global asymptotic link position tracking errors. Simulation results are provided to validate the theoretical concepts, and a comparative analysis demonstrates the benefits of the proposed controllers.


Robotica ◽  
2004 ◽  
Vol 22 (4) ◽  
pp. 351-357 ◽  
Author(s):  
W. E. Dixon ◽  
E. Zergeroglu ◽  
D. M. Dawson

This paper addresses the problem of global output feedback, link position tracking control of robot manipulators. Specifically, a robust, Lyapunov-based controller is designed to ensure that the link position tracking error is globally uniformly ultimately bounded despite the fact that only link position measurements are available in the presence of incomplete model information (i.e., parametric uncertainty and additive bounded disturbances).


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