The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 07, 1977
Filed:
May. 23, 1975
Applicant:
Inventor:
Robert S Peterson, Williamsville, NY (US);
Assignee:
Westinghouse Electric Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P / ;
U.S. Cl.
CPC ...
318271 ; 318308 ; 318387 ; 318430 ;
Abstract
A regulating system for direct current motor control having an inner and an outside loop is prevented from winding up in the outside loop, when the inner loop saturates, by a clamping circuit storing the value of the controlling voltage of the outside loop reached at the moment of saturation and generating an overriding error signal by reference to said stored value for providing effective control after saturation has ended.