Digital rotary optical accelerator

Details Digital rotary optical accelerator Digital rotary optical accelerator

1997-04-28

1999-03-23

Ip, Paul

Electricity: motive power systems

Positional servo systems

Adaptive or optimizing systems including 'bang-bang' servos

318646, 318599, 400320, H02P 534, G05B 1300

Patent

active

058864903

ABSTRACT:
A method and apparatus are provided for controlling the operational characteristics of a motor. The method includes the steps of reading a plurality of optically encoded controller position signals, determining a motor control signal state and differential based thereon and outputting a motor control signal. The central operation of the method and apparatus is based on a motor control signal state diagram and the transitions therein. The apparatus includes a rotary digital optical encoder having a plurality of output signals, a programmable controller device and an output circuit. The programmable controller device includes motor control logic for determining the operational characteristics of a motor. The motor control signal may be either/or a pulse width modulated (PWM) or analog output. Additionally, described embodiments include an apparatus having logic for determining the directional characteristics of a motor.

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