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:
Dec. 16, 1986
Filed:
May. 24, 1984
Applicant:
Inventors:
Assignee:
Toshiba Kikai Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B / ;
U.S. Cl.
CPC ...
318561 ; 318632 ; 318302 ;
Abstract
A non-linear function f(A) of an effective value D' with respect to a desired value A regarding speed, pressure or the like of an actuator of a hydraulic apparatus in a closed loop control for the hydraulic apparatus is operated and a value regarding quantity of electricity to be applied to a valve of a drive mechanism of the hydraulic apparatus is outputted as a non-linear function f(A) in a case where a non-linear function D=f(A) is established between the desired value A and an effective value D regarding speed, pressure or the like of the actuator in the opened loop control for the hydraulic apparatus.