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:
Jan. 28, 2003
Filed:
Jul. 28, 2000
Andrew Richard Teel, Goleta, CA (US);
Luca Zaccarian, Santa Barbara, CA (US);
Jacek Justyn Marcinkowski, San Pedro, CA (US);
Newport Corporation, Irvine, CA (US);
Abstract
A vibration control module that compensates for actuator saturation. The control module includes a sensor that provides an output signal which corresponds to a movement of an element. The module also has an actuator that can move and isolate the element. The control module is controlled by a controller that performs a control routine. The control routine may include a first anti-windup stage that is coupled to the input and output of a nominal controller. The output of the nominal controller drives the actuator. The sum of the nominal controller and the actuator saturation value are provided to the input of the nominal controller. The first anti-windup stage may have a transfer function that replicates the transfer function of the control module. The first anti-windup stage provides stability for the module when the actuator is saturated. An output of a second anti-windup stage is provided as another input to the nominal controller. The inputs to the second anti-windup stage are a nominal controller state variable and the input to the first anti-windup stage.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile