Hybrid position/force control of constrained robot manipulator based on a feedforward neural network

Lianfang Tian, Jun Wang, Zongyuan Mao

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

1 Citation (Scopus)

Abstract

In this paper, the control of the constrained robotic manipulators is addressed and the solution of a reduced order model is obtained through a nonlinear transformation. A set of differential-algebraic equations are first derived. Then controllers are designed for position and force control. The position control involves the position and velocity feedback of end-effector, while the force control is developed based on an artificial neural network. The weights of the neural network are updated on-line using the force error as the objective function. An example of a two DOF manipulator system is studied in detail. Comparison between conventional PID controller and the designed controller are made and a practical application is carried out. The results demonstrate remarkable performance of the system. © 2002 IEEE.
Original languageEnglish
Title of host publicationIEEE ICIT’ 02 - 2002 IEEE International Conference on Industrial Technology
Subtitle of host publication“Productivity Reincarnation through Robotics & Automation”
PublisherIEEE
Pages370-375
Volume1
ISBN (Print)0780376579
DOIs
Publication statusPublished - Dec 2002
Externally publishedYes
Event2002 IEEE International Conference on Industrial Technology (IEEE ICIT' 02): “Productivity Reincarnation through Robotics & Automation” - Shangri-La Hotel, Bangkok, Thailand
Duration: 11 Dec 200214 Dec 2002

Conference

Conference2002 IEEE International Conference on Industrial Technology (IEEE ICIT' 02)
PlaceThailand
CityBangkok
Period11/12/0214/12/02

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