An analysis of cooperative repair capabilities in a team of robots

To date, very little work has investigated the benefits of repairable robots. Robots that can repair themselves and other robots in their team are intuitively a superior design. Intuition, however, is not an acceptable basis for spending millions of dollars in development. In this work, we quantify the gain in productivity of a team of repairable robots compared to a team without repair capabilities. We create a model using an extension of standard reliability theory. It allows the definition of a metric which is used to compare the two teams. The analysis yields insight into the design of repairable robot teams under a certain set of assumptions. The model also demonstrates scenarios where repair capabilities are not likely to be beneficial.

[1]  Eiichi Yoshida,et al.  Self-assembly and self-repair method for a distributed mechanical system , 1999, IEEE Trans. Robotics Autom..

[2]  Pradeep K. Khosla,et al.  Towards a team of robots with reconfiguration and repair capabilities , 2001, Proceedings 2001 ICRA. IEEE International Conference on Robotics and Automation (Cat. No.01CH37164).

[3]  F. Khan Equipment reliability: a life-cycle approach , 2001 .

[4]  Toshio Fukuda,et al.  The meaning of functional reconfiguration under the dynamic environment and system behavior , 1996, Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems. IROS '96.

[5]  Alessandro Birolini Reliability Engineering: Theory and Practice , 1999 .

[6]  Mark Yim,et al.  PolyBot: a modular reconfigurable robot , 2000, Proceedings 2000 ICRA. Millennium Conference. IEEE International Conference on Robotics and Automation. Symposia Proceedings (Cat. No.00CH37065).

[7]  H. Kurokawa,et al.  Self-assembling machine , 1994, Proceedings of the 1994 IEEE International Conference on Robotics and Automation.

[8]  Craig D. McGray,et al.  The self-reconfiguring robotic molecule , 1998, Proceedings. 1998 IEEE International Conference on Robotics and Automation (Cat. No.98CH36146).

[9]  B. Dhillion,et al.  Reliability engineering in systems design and operation , 1983 .