Human performance evaluation of isometric and elastic rate controllers in a six-degree-of-freedom tracking task

Shumin Zhai; Paul Milgram

doi:10.1117/12.164895

21 December 1993 Human performance evaluation of isometric and elastic rate controllers in a six-degree-of-freedom tracking task

Shumin Zhai, Paul Milgram

Author Affiliations +

Proceedings Volume 2057, Telemanipulator Technology and Space Telerobotics; (1993) https://doi.org/10.1117/12.164895
Event: Optical Tools for Manufacturing and Advanced Automation, 1993, Boston, MA, United States

Abstract

The control feel of the master controller in a telemanipulation system has a critical effect on human-machine system performance. Many theoretical and practical human factors issues on hand controller design and selection remain to be explored. In this paper, two types of hand controllers, elastic versus isometric rate controllers, were studied in a 6 degree-of-freedom pursuit tracking experiment. Twenty-six subjects participated in the experiment. The results showed that the elastic rate controller facilitated significantly lower tracking error than the isometric rate controller, presumably due to richer proprioceptive feedback afforded by the elastic device. It was also found that, although the elastic controller was superior to the isometric controller in general, the magnitude of performance differences between the two controller decreased as subjects gained more experience, supporting the theory that human manipulation shifts from more closed-loop behavior towards open loop skills.

Citation Download Citation

Shumin Zhai and Paul Milgram "Human performance evaluation of isometric and elastic rate controllers in a six-degree-of-freedom tracking task", Proc. SPIE 2057, Telemanipulator Technology and Space Telerobotics, (21 December 1993); https://doi.org/10.1117/12.164895

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