KENNETH W GOFF
Engineers in Huntingdon Valley, PA
License number
Pennsylvania PE001054K
Category
Engineers
Type
Professional Engineer
Address
Address
Huntingdon Valley, PA 19006
Professional information
Closed Loop Control Of Pwm Duty Cycle
US Patent:
6307336, Oct 23, 2001
Filed:
Sep 27, 1999
Appl. No.:
9/405775
Inventors:
Kenneth W. Goff - Huntingdon Valley PA
Jerry K. Goff - late of Doyleston PA
Brian J. Fenstermacher - Telford PA
Jerry K. Goff - late of Doyleston PA
Brian J. Fenstermacher - Telford PA
Assignee:
MTS Systems Corporation - Eden Prairie MN
International Classification:
H02P 706
US Classification:
318254
Abstract:
A system and method for controlling energization of an electric motor (rotating or linear). The system and method includes producing a pulse-width modulated command signal to control switching devices that connect the motor to an energization source. A pulse-width modulated duty cycle value is formed as a function of the pulse-width modulated command signal. A leading current with respect to the phase angle of the back EMF is provided to the motor as a function comparing the pulse-width modulated duty cycle value with a selected threshold.