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Authors
G. Casalino; A. Turetta; A. Sorbara

Identifier
10.3182/20060906-3-IT-2910.00026

Index Terms
robot control,distributed control,dynamic programming,robotic manipulators,kinematics

Abstract
The work deals with modular complex kinematic chains governed by an embedded distributed control system. More precisely, every joint of is assumed equipped with a simple local processing unit for properly driving its motion. As a consequence, each one of them plus the associated link is considered as a defective "1-dof only" separately controlled atomic manipulator, which is required to act in team with all the others, in order to accomplish to a common task specified in the operational space. In this framework the paper proposes a computationally distributed kinematic inversion technique that, via the on-line application of dynamic programming (based on a moderate data exchange among the processing units), allows the establishment of a global self-organizing behaviour; thus allowing the task execution by solely exploiting the control capabilities of each local processing unit, while also not requiring any acknowledge about the overall structure geometry and kinematics.

References

[1] IEEE-ASME Transaction on Mechatronichs:
    Focused Section on Self-Reconfigurable Robots
    (9 papers), Vol. 7, No. 4, December 2002.
[2] G. Casalino, A. Turetta: "Coordination and Control
    of Multiarm Mobile Manipulators", in B.
    Siciliano, A. De Luca, C. Melchiorri, G.
    Casalino: "Advances in Control of Articulated
    and Mobile Robots", pp. 171-185, Springer
    Verlag, Germany, 2003.
[3] G. Casalino, A. Turetta: "Coordination and Control
    of Multiarm, Non-Holonomic, Mobile
    Manipulators", Int. Conf. on Intelligent Robot
    and Systems (IROS 2003), Las Vegas, Nevada,
    USA. Oct. 2003.
[4] G. Casalino, A. Turetta: "Modular Composition and
    Self-Coordination Technique for Mobile
    Manipulators", IEEE Conf. on Robotics and
    Automation (ICRA 2004), New Orleans, Usa,
    April 2004.
[5] T. Fukuda, S. Nagakawa: "Dynamically
    reconfigurable robot system", Proc. IEEE Conf.
    Robotics and Automation, Philadelphia, pp.
    1581-1586, 1988.
[6] C.Y. Baldwin, K.S. Clark: "Design rules: the power
    of modularity", MIT Press, Cambridge, 2000.
[7] L. Kelmar, P. Khosla: "Automatic generation of
    kinematics for a reconfigurable modular
    manipulator systems", Proc. IEEE Conf.
    Robotics and Automation, Philadelphia, pp.
    663-668, 1988.
[8] D. Tesar, M.S. Butler: "A generalized modular
    architecture for robot structures", ASME J.
    Manuf. Rev. (2-2), pp. 91-117, 1989.
[9] I.M. Chen, G. Yang, I.G. Kang: "Numerical inverse
    kinematics for modular reconfigurable robots",
    J. Robotic Systems (16-4), pp. 213-225, 1999.
[10] Chen, W., Chen, I.-M., Lim, W.K., Yang, G.,
     "Cartesian Coordinate Control for Redundant
     Modular Robot" IEEE International Conference
     on System, Man, and Cybernetics, Nashville,
     Tennessee, USA, 2000.
[11] Chen, I.-M., Gao, Y., "Closed-Form Inverse
     Kinematics Solver for Reconfigurable Robots,"
     IEEE Int. Conf. Robotics and Automation,
     Seoul, Korea, pp. 2395-2400, 2001.
[12] G. Casalino, A. Turetta: "A Computationally
     Distributed Self-Organizing Algorithm for the
     Control of Manipulators in the Operational
     Space". International Conference on Robotic
     and Automation (ICRA 2005), Barcelona, Spain,
     April 2005.
[13] G. Casalino, A. Turetta: "Computationally
     Distributed, Self-Organizing Control of
     Manipulators in the Operational Space". Int.
     Conf. on Intelligent Robot and Systems (IROS
     (2005), Edmonton, Canada, 2005.