Speed regulation of DC motor using current sensing means

Details Speed regulation of DC motor using current sensing means Speed regulation of DC motor using current sensing means

1991-12-31

1996-12-17

Martin, David S.

Electricity: motive power systems

Control of both armature circuit

388806, H03P 516

Patent

active

055857060

ABSTRACT:
A system for controlling a separately excited dc motor, where control is achieved through a microprocessor-based independent PWM control of a chopper (armature) and an H-bridge (field), and where mechanical speed sensors are not used. Connected to the armature is an armature voltage amplifier for varying the applied armature voltage. A field current amplifier is also provided for determining the direction of motor rotation and varying the voltage applied to the field winding. A decoupling controller adjusts the armature voltage and the field current.

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