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:
Feb. 08, 2005
Filed:
Apr. 24, 2001
Applicants:
Kok Kiong Tan, Singapore, SG;
Tong Heng Lee, Singapore, SG;
Huifang Dou, Singapore, SG;
Ser Yong Lim, Singapore, SG;
Inventors:
Kok Kiong Tan, Singapore, SG;
Tong Heng Lee, Singapore, SG;
Huifang Dou, Singapore, SG;
Ser Yong Lim, Singapore, SG;
Assignees:
The National University of Singapore, Singapore, SG;
Singapore Institute of Manufacturing Technology, Singapore, SG;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P005/00 ;
U.S. Cl.
CPC ...
Abstract
A ripple suppressor/compensator useful in the general area of motion control and applicable to a wide range of servomechanisms exhibiting a force ripple characteristics, including the permanent magnet linear motors. An adaptive feed-forward control signal is generated which compensates for the ripple force, thus allowing for more precise tracking performance to be achieved.