Methods and apparatus for attenuating the vibration of a robot e

Details Methods and apparatus for attenuating the vibration of a robot e Methods and apparatus for attenuating the vibration of a robot e

1995-06-30

1998-02-17

Masih, Karen

Electricity: motive power systems

Positional servo systems

With stabilizing features

318623, 318644, 1882225, 361226, G05B 501

Patent

active

057194815

ABSTRACT:
A robot comprises a member traveling along a threaded rotary shaft which decelerates when the member approaches a predetermined location on the shaft. Rotation of the rotary shaft is subjected to a resistance imposed by a fluid whose viscosity is increasable by the application of an electrical charge to the fluid. The point at which the rotary shaft begins to decelerate is sensed, and an electrical charge is applied to the fluid to increase its viscosity and attenuate vibration of the member.

REFERENCES:
patent: 4071252 (1978-01-01), Gillespie
patent: 5000299 (1991-03-01), Goto et al.
patent: 5354489 (1994-10-01), Inoue et al.
patent: 5417314 (1995-05-01), Sproston et al.
patent: 5462361 (1995-10-01), Sato et al.
patent: 5496483 (1996-03-01), Herrmann et al.

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