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:
Nov. 02, 2004
Filed:
Nov. 25, 2002
Stanley B. Quinn, Jr., Elmhurst, IL (US);
BorgWarner Inc., Auburn Hills, MI (US);
Abstract
In a VCT system having a feedback loop for controlling a phaser angular relationship, a control law disposed to receive a plurality of set point values and a plurality of feed back values is provided to include: a computation block for receiving the plurality of set point values as inputs, the computation block outputting a first output and a second output; a first summer for summing the first output and the plurality of feed back values to produce a first sum (e ); a phase integrator and a phase compensator receiving the first sum (e ) and derivatives (e ) thereof outputting a processed value (e ); a amplifier amplifying the second output by a predetermined scale (K ); and e) a second summer for summing the processed value (e ) and the amplified second output to produce a second sum (e ).