JRM Vol.35 No.6 pp. 1583-1592
doi: 10.20965/jrm.2023.p1583


Robust Cooperative Transport System with Model Error Compensator Using Multiple Robots with Suction Cups

Nobutomo Matsunaga* ORCID Icon, Kazuhi Murata**, and Hiroshi Okajima* ORCID Icon

*Faculty of Advanced Science and Technology, Kumamoto University
2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan

**Graduate School of Science and Technology, Kumamoto University
2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan

March 30, 2023
August 2, 2023
December 20, 2023
cooperative transport system, multi-robot, model error compensator, ideal formation

In cooperative transport systems, multiple robots work together to transport objects that are difficult to transport with a single robot. In recent years, multi-robot systems that cooperate to transport objects have been researched. However, during the transfer of objects, misalignment occurs between the ideal and actual grasp positions. In an automatic transport system, a grasping error can cause an error in the trajectory of the object, significantly reducing the transport efficiency. In this paper, a control system that allows robust cooperative transport control using a model error compensator is proposed for a leader–follower system in which the transported object is the virtual leader and the followers are ideally arranged. This system adds robustness to the operation of a conventional cooperative transport system by using the ideal formation of robots. The effectiveness of the proposed method was evaluated through cooperative transport experiments using two ideal formations for passing through a narrow entrance. The cooperative transport system could not pass through the narrow entrance using the conventional method; however, the system using the compensator passed through the narrow entrance smoothly.

Robust cooperative transport control using multi-robots with an MEC

Robust cooperative transport control using multi-robots with an MEC

Cite this article as:
N. Matsunaga, K. Murata, and H. Okajima, “Robust Cooperative Transport System with Model Error Compensator Using Multiple Robots with Suction Cups,” J. Robot. Mechatron., Vol.35 No.6, pp. 1583-1592, 2023.
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Last updated on Feb. 19, 2024