Electricity: motor control systems – Open loop speed control system for dc motor with commutator – Armature control by digital or combined analog and digital...
Patent
1997-12-04
1999-11-23
Ro, Bentsu
Electricity: motor control systems
Open loop speed control system for dc motor with commutator
Armature control by digital or combined analog and digital...
388829, 3889075, 388934, H02P 729
Patent
active
059915056
ABSTRACT:
A motor control apparatus for controlling a motor is provided. The motor has an output power stage and a relay allowing power to be connected to the output power stage. The apparatus comprises a microprocessor providing a PWM cycle delivered through a capacitor to a transistor. The microprocessor activates the transistor for a first predetermined amount of time during the PWM cycle causing the relay to actuate the output power stage thereby driving the motor. A detection mechanism within the microprocessor for detecting a fault in the main output transistor. The circuitry disengages the relay from the output power stage thereby causing the motor to cease being driven.
REFERENCES:
patent: 4301396 (1981-11-01), Bourke
patent: 4611155 (1986-09-01), Kurakake
patent: 4630210 (1986-12-01), Salazar et al.
patent: 4686437 (1987-08-01), Langley et al.
patent: 4833375 (1989-05-01), Del Signore, II
patent: 5045988 (1991-09-01), Gritter et al.
patent: 5350988 (1994-09-01), Le
patent: 5510687 (1996-04-01), Ursworth et al.
patent: 5574346 (1996-11-01), Chavan et al.
patent: 5760563 (1998-06-01), Bennett et al.
patent: 5764024 (1998-06-01), Wilson
Ro Bentsu
Tracy Emery L.
LandOfFree
Switching motor control apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Switching motor control apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Switching motor control apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1231916