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.:

US 10955821 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 23, 2021

Filed:

Dec. 20, 2018
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventor:

Hayato Nakada, Minamitsuru-gun, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B 19/4155 (2006.01); F02D 41/00 (2006.01); G05B 13/04 (2006.01); F02D 41/14 (2006.01); F02D 43/00 (2006.01);
U.S. Cl.
CPC ...
G05B 19/4155 (2013.01); F02D 41/0007 (2013.01); F02D 41/0047 (2013.01); F02D 41/1406 (2013.01); F02D 43/00 (2013.01); G05B 13/042 (2013.01); F02D 2041/141 (2013.01); F02D 2041/1419 (2013.01); G05B 2219/32297 (2013.01);
Abstract

A plant control system comprises a feedback controllerconfigured to determine a control input of a plantso that one control output of the plant approaches a target value, a provisional target value calculating partconfigured to calculate a provisional target value based on a predetermined parameter of the plant, and a reference governorconfigured to perform a minimum value search of an object function by updating a corrected target value to thereby derive the target value from the provisional target value. The reference governor is configured to update the corrected target value only between r−0.5Rand 'r'. Ris a value of a partial differential for the corrected target value 'w' of the object function when the corrected target value “w” is the provisional target value “r”.


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