Reduced Model Based Control of Two Link Flexible Space Robot
Amit Kumar, Pushparaj Mani Pathak, Nagarajan Sukavanam
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DOI: 10.4236/ica.2011.22013   PDF   HTML     5,884 Downloads   9,154 Views   Citations

Abstract

Model based control schemes use the inverse dynamics of the robot arm to produce the main torque component necessary for trajectory tracking. For model-based controller one is required to know the model parameters accurately. This is a very difficult task especially if the manipulator is flexible. So a reduced model based controller has been developed, which requires only the information of space robot base velocity and link parameters. The flexible link is modeled as Euler Bernoulli beam. To simplify the analysis we have considered Jacobian of rigid manipulator. Bond graph modeling is used to model the dynamics of the system and to devise the control strategy. The scheme has been verified using simulation for two links flexible space manipulator.

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A. Kumar, P. Pathak and N. Sukavanam, "Reduced Model Based Control of Two Link Flexible Space Robot," Intelligent Control and Automation, Vol. 2 No. 2, 2011, pp. 112-120. doi: 10.4236/ica.2011.22013.

Conflicts of Interest

The authors declare no conflicts of interest.

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