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Mathematical Problems in Engineering
Volume 2013, Article ID 681710, 9 pages
http://dx.doi.org/10.1155/2013/681710
Research Article

Optimal Grasping Manipulation for Multifingered Robots Using Semismooth Newton Method

1Department of Electrical Engineering, I-Shou University, Kaohsiung 84001, Taiwan
2Department of Mathematics, National Taiwan Normal University, Taipei 11677, Taiwan
3Mathematics Division, National Center for Theoretical Sciences, Taipei, Taiwan

Received 6 July 2013; Accepted 11 September 2013

Academic Editor: Masoud Hajarian

Copyright © 2013 Chun-Hsu Ko and Jein-Shan Chen. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Multifingered robots play an important role in manipulation applications. They can grasp various shaped objects to perform point-to-point movement. It is important to plan the motion path of the object and appropriately control the grasping forces for multifingered robot manipulation. In this paper, we perform the optimal grasping control to find both optimal motion path of the object and minimum grasping forces in the manipulation. The rigid body dynamics of the object and the grasping forces subjected to the second-order cone (SOC) constraints are considered in optimal control problem. The minimum principle is applied to obtain the system equalities and the SOC complementarity problems. The SOC complementarity problems are further recast as the equations with the Fischer-Burmeister (FB) function. Since the FB function is semismooth, the semismooth Newton method with the generalized Jacobian of FB function is used to solve the nonlinear equations. The 2D and 3D simulations of grasping manipulation are performed to demonstrate the effectiveness of the proposed approach.