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:
Nov. 07, 2017
Filed:
Aug. 24, 2015
Lsis Co., Ltd., Anyang-si, Gyeonggi-do, KR;
Jongchul Jung, Seoul, KR;
Yong Gee Cho, Seoul, KR;
LSIS CO., LTD., Anyang-si, KR;
Abstract
The present disclosure relates to an automatic train operation system in railway vehicles, the system including: a speed profile generation unit configured to generate speed profile information based on limited speed profile inputted from outside; a track database stored with track gradient information and track curvature information for each track segment; a train speed controller configured to control a speed of the train using a current position, a current speed and the speed profile information of the train inputted from outside; and a propulsion system fault diagnosis unit configured to diagnose a fault status of the propulsion system based on the current speed of the train, the track gradient information, the track curvature information and propulsion notch information inputted from the train speed controller, and to calculate a performance depreciation ratio when the propulsion system is faulted and to provide the performance depreciation ratio to the train speed controller.