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:
Aug. 24, 1993
Filed:
Sep. 26, 1990
Tetsuo Tomiyama, Chiba, JP;
Hiroyuki Yoshikawa, Tokyo, JP;
Yasushi Umeda, Tokyo, JP;
Yoshiki Shimomura, Kyoto, JP;
Mita Industrial Co., Ltd., , JP;
Abstract
The system of the present invention has a plurality of sensors 1a, 1b and 1c and a system control circuit which includes a case memory portion and a work script memory portion. In response to application of state data from the sensors 1a, 1b and 1c, the system converts the state data into symbolic data. Then the symbolic data is evaluated to judge whether or not a fault exists and to specify a fault symptom. As a result of the judgement, a fault symptom and a fault in the objective machine are determined. Thereafter, cases stored in the case memory portion are retrieved on the basis of the results of the fault diagnosis and a fault simulation. A case which closely resembles the present state of the objective machine is selected. Then, repair work described in the selected case is executed.