Brushless motor

Electricity: motive power systems – Switched reluctance motor commutation control

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318138, 388937, H02P 602

Patent

active

055634818

ABSTRACT:
A wholly digital motor-control system for surgical instruments is disclosed. The signal processor and drive-controller communicate digitally through optical fibers. The system provides fail-safe shutdown in the event that communication ceases for longer than a predetermined time, torque limitation and control of complex movement patterns.

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Patent Abstracts of Japan, vol. 10, No. 298 (P-505) 9 Oct. 1986 & JP-A-61 114 304 (Fujitsu Ltd) 2 Dec. 1986.
Patent Abstracts of Japan, vol. 13, No. 295 (E-783) 7 Jul. 1989 & JP-A-01 074 089 (Hitachi Ltd) 20 Mar. 1989.
Industry Applications Society IEEE-IAS-195 Annual Meeting, Nov. 1985, Toronto, Canada pp. 536-541, D. A. Topmiller et al., "A microprocessor . . . motor".
Electronic Engineering, vol. 58, No. 719, Nov. 1986, London GB, pp. 51-59; Phil Davies et al., "Three phase control and drive IC for brushless motors".
Machine Design, vol. 60, No. 13, 9 Jun. 1988, Cleveland US, pp. 140-144, XP000100657, Robert Benzer, "Single-chip brushless-motor controller".

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