Motor controller with position detector

Details Motor controller with position detector Motor controller with position detector

2005-04-19

2005-04-19

Leykin, Rita (Department: 2837)

Electricity: motive power systems

Positional servo systems

Adaptive or optimizing systems including 'bang-bang' servos

C318S560000, C318S568110, C318S568120, C323S305000, C323S247000, C323S301000, C340S315000, C340S315000

Reexamination Certificate

active

06882125

ABSTRACT:
A motor controller includes a motor-position detector, a motor driver and a power cable having a pair of electric lines (two lines) which feeds power from the driver to the detector. The detector superimposes serial information about the motor-position to the power cable via windings of a transformer or a coupling capacitor. The serial information is obtained by converting parallel information about the motor-position. The serial information superimposed travels to the driver via the power cable. The driver receives the serial information via windings of the transformer or a coupling capacitor, and converts it to parallel information. The driver drives the motor according to this parallel information. The information necessary for driving the motor is superimposed to the power cable and transmitted through the power cable, so that a number of electric lines between the detector and the driver can be minimized.

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