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Robust nonlinear PID-like fuzzy logic control of a planar parallel (2PRP-PPR) manipulator
P.S. Londhe, Y. Singh, , B.M. Patre, L.M. Waghmare
Published in ISA - Instrumentation, Systems, and Automation Society
2016
Volume: 63
   
Pages: 218 - 232
Abstract
In this paper, a robust nonlinear proportional–integral–derivative (PID)-like fuzzy control scheme is presented and applied to complex trajectory tracking control of a 2PRP-PPR (P-prismatic, R-revolute) planar parallel manipulator (motion platform) with three degrees-of-freedom (DOF) in the presence of parameter uncertainties and external disturbances. The proposed control law consists of mainly two parts: first part uses a feed forward term to enhance the control activity and estimated perturbed term to compensate for the unknown effects namely external disturbances and unmodeled dynamics, and the second part uses a PID-like fuzzy logic control as a feedback portion to enhance the overall closed-loop stability of the system. Experimental results are presented to show the effectiveness of the proposed control scheme. © 2016 ISA
About the journal
JournalISA Transactions
PublisherISA - Instrumentation, Systems, and Automation Society
ISSN00190578
Open AccessNo