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A novel cobot and control

 
: Dong, Y.; Zhang, L.; Lu, D.; Bernbardt, R.; Surdilovic, D.

WCICA2004. Fifth World Congress on Intelligent Control and Automation. Vol. 5 : June 15-19, 2004, Hangzhou, China
Piscataway, NJ: IEEE Operations Center, 2004
S.4635-4639
World Congress on Intelligent Control and Automation (WCICA) <5, 2004, Hangzhou>
Englisch
Konferenzbeitrag
Fraunhofer IPK ()

Abstract
Cobots are inherently passive robots intended for direct collaboration with a human operator. Cobots possess the advantages of conventional robots such as better bearing loads capacity and high order accuracy, and still take advantage of the superiorities of the operator such as high intelligence, vision and haptic capacities, and dexterity and so on. A novel cobot architecture was put forward by non-holonomic constraint feature of differential gear. In terms of different coupling modes between differential mechanisms and joints parallel and serial cobot architectures were constructed, and kinematic models of two kinds of cobots and control model of trajectory constraint were built up. A prototype of five-linkage serial cobot architecture was introduced and experimental study was completed. The experimental results show that the novel cobot can track a desirable straight line, and possess non-holonomic constraint feature. If perfected further, it can be applied in assem bly production lines of large-size parts, surgery operations and some situations requiring man-machine cooperation.

: http://publica.fraunhofer.de/dokumente/N-171609.html