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JRM Vol.25 No.6 pp. 931-938
doi: 10.20965/jrm.2013.p0931
(2013)

Paper:

Development of Power Assist Crane Operated by Tensional Information of Dual Wire

Naoyuki Takesue*, Tomoyuki Mine*, Rikiya Makino**,
Kousyun Fujiwara**, and Hideo Fujimoto***

*Tokyo Metropolitan University, 6-6 Asahigaoka, Hino-shi, Tokyo 191-0065, Japan

**Toyota Motor Corporation, 1 Motomachi, Toyota, Aichi 471-8573, Japan

***Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya, Aichi 466-8555, Japan

Received:
May 8, 2013
Accepted:
October 15, 2013
Published:
December 20, 2013
Keywords:
crane, power assist, wire driven, tension estimation, admittance control
Abstract

Cranes and hoists at automotive assembly plant handle heavy objects such as batteries to decrease the physical burden on personnel. On/off button operations in such devices during fine positioning increase personnel mental stress. On the other hand, in power assist using force sensors which directly measure operating force, maneuverability is improved but we should be concerned about sensor weight, signal wiring, wire breakage and so on. Therefore, in this study, a power assist system driven by two wires is developed to improvemaneuverability andmaintenance. The method we propose estimates operating force and work load from tensional information on wires and controls the position of work by admittance control. The effectiveness of the proposed method is shown from confirmation and power assist experiments.

Cite this article as:
N. Takesue, T. Mine, R. Makino, <. Fujiwara, and H. Fujimoto, “Development of Power Assist Crane Operated by Tensional Information of Dual Wire,” J. Robot. Mechatron., Vol.25, No.6, pp. 931-938, 2013.
Data files:
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Last updated on Dec. 13, 2018