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A magnetic parallel motion hand for micro grasping and processes

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3 Author(s)
Nakamura, T. ; Dept. of Precision Eng., Tokyo Metropolitan Univ., Japan ; Shimamura, K. ; Andou, T.

Besides assembling, processes like drilling, cutting, and pasting are required in various operations to human bodies or micro-machines. Force control is essential to those dexterous operations even in the micro world. For this purpose, a prototype micro operation hand with two fingers constrained to parallel motion linkages was developed. It uses magnetic suspension technology so that fine force control without force sensor is realized. The accuracy of positioning is a few m with a range of tens mm. The accuracy of force control is 30 mgf with a range of hundreds gf. The effectiveness of the proposed hand was verified by the application to various micro operations including mechanical processes.

Published in:

Robotics and Automation, 2001. Proceedings 2001 ICRA. IEEE International Conference on  (Volume:4 )

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