Patent · US Expired

Method and apparatus for controlling a servo motor

US4794312A · kind A · utility

15Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 28, 1987
Grant dateDec 27, 1988
Priority date
Expiry dateSep 28, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG05B2219/42237
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A servo motor control system for accurately pointing and controlling the speed of a servo motor using a low resolution PWM signal. A PWM command value given in each control operation cycle for driving other servo motors is divided, and output to a power control device operating signal generation circuit.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.