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Geometric and algebraic approach to the inverse kinematics of four-link manipulators

Published online by Cambridge University Press:  09 March 2009

I. Uzmay  and
S. Yildirim
I. Uzmay
Affiliation:
Department of Mechanical Engineering, University of Erciyes, 38090 Kayseri (Turkey)
S. Yildirim
Affiliation:
Department of Mechanical Engineering, University of Erciyes, 38090 Kayseri (Turkey)
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Extract

This paper presents an example of the application of geometric and algebraic approaches to the inverse kinematics problem of four-link robot manipulators. A special arm configuration of the robot manipulator is employed for solving the inverse kinematics problem by using the geometric approach. The obtained joint variables as angular positions are defined in the form of cubic polynomials. The other kinematic parameters of the joints, such as angular velocities and angular accelerations, are the time derivatives of these polynomials. It is evident that there is no definite difference between the results of the two approaches. Consequently, if an appropriate arm configuration for the geometric approach can be established, the inverse kinematics can be solved in a simpler and shorter way.

Keywords

Inverse kinematicsAlgebraic approachGeometric approachCosine ruleKinematic parameters.
Type
Research Article
Information
Robotica , Volume 12 , Issue 1 , January 1994 , pp. 59 - 64
Copyright
Copyright © Cambridge University Press 1994

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References

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