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Control of constrained spatial three-link flexible manipulators
Date
2007-06-29
Author
KILIÇASLAN, SİNAN
Özgören, Mustafa Kemal
Ider, S. Kemal
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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This study deals with the force and motion control of a spatial three-link articulated manipulator with flexible second and third links. In order to reduce the complexity of the dynamic equations each link is modelled as if unconnected and the joint connections are expressed as constraint equations. Then the joint forces are eliminated and the number of equations is reduced by substituting the acceleration level constraint equations into the dynamic equations. The dynamic equations are partitioned as pseudostatic equilibrium equations and deviations from them. The pseudostatic equilibrium is defined here as a hypothetical state where the velocity and acceleration of the end-effector and the contact forces and/or moments have their desired values while the elastic deformation variables are instantaneously constant. The portion of the control torques for the pseudostatic equilibrium and their portion for the feedback stabilization of the deviations are generated using the measurement signals taken from the end-effector force and moment sensors, the strain gauges, the joint encoders and the end-effector position sensors.
Subject Keywords
Arm
,
Robots
,
System
,
Force
,
Motion control
URI
https://hdl.handle.net/11511/30378
DOI
https://doi.org/10.1109/med.2007.4433781
Collections
Graduate School of Natural and Applied Sciences, Conference / Seminar