Patent ID: 6653810
Filing Date: 2003-11-25
Classification: G05B

Abstract:
A motor control system for controlling a plurality of electric motors, comprising:a motor control serial data bus for carrying motor commands words in serial form; a plurality of motor circuits, each motor circuit connected in parallel on the motor control bus, each motor circuit including an electric motor and a motor controller circuit, each motor controller circuit including a control logic circuit responsive to command words addressed to the motor controller for generating motor drive control signals, the control logic circuit having an associated motor identification, each command word having associated therewith a motor identification portion and a motor command portion, the control logic including circuitry for converting the motor command portion into said motor driver control signals if said motor identification portion corresponds to the motor identification, a closed loop motor control circuit for controlling the motor in accordance with said motor command words, and wherein said control logic circuit and said closed loop motor control circuit are integrated on a single integrated circuit chip.