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. 11, 1983
Filed:
Oct. 20, 1980
Paul Anderson, Green Lane, PA (US);
Leeds & Northrup Company, North Wales, PA (US);
Abstract
A process for automatically identifying the parameters of a controller which controls a process and a process model which includes changing alternately the set point for the process by a predetermined value above and below the desired set point of the process which is continued until the parameters of the process model describe the process. The apparatus includes means for creating a cycle that has a plurality of steps, means for comparing a proportional amount of a set point change with a corresponding value of the process during one of the cycles steps during which the parameters are identified, means for repeating the cycle until the change in the values of the parameters between adjacent cycle is less than a predetermined amount, and means for terminating the cycle repetition if the parameter change between adjacent cycles is less than the predetermined amount.