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. 03, 2019
Filed:
Dec. 19, 2016
Hyundai Motor Company, Seoul, KR;
Seoul National University R&db Foundation, Seoul, KR;
Deog Hyeon Kim, Ulsan, KR;
Yong Un Cho, Ulsan, KR;
Yongchae Lim, Ulsan, KR;
Byeng Dong Youn, Seoul, KR;
Hyunseok Oh, Seoul, KR;
Junmin Lee, Seoul, KR;
Hyundai Motor Company, Seoul, KR;
Seoul National University R&DB Foundation, Seoul, KR;
Abstract
Disclosed are an apparatus and a method for predicting a fault state of an inverter. The apparatus for predicting a fault state of an inverter includes: an inverter converting DC power into AC power; a switching element provided in the inverter; and a controller extracting a fault sign factor based on an output signal output from the inverter and predicting a fault of the switching element based on the fault sign factor.