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:
Jul. 26, 2022
Filed:
May. 02, 2018
Byd Company Limited, Shenzhen, CN;
BYD COMPANY LIMITED, Shenzhen, CN;
Abstract
The present disclosure provides a method for obtaining an area speed limit value. The method includes: mapping, to a coordinate system, a track section on a train running line in electronic map data; respectively storing, into a temporary speed limit information list and a constant speed limit information list in a one-to-one correspondence mode, speed limit data of a temporary speed limit and speed limit data of a constant speed limit of the train in the track section according to coordinates of the track section in the coordinate system; combining speed limit data in the temporary speed limit information list with speed limit data in the constant speed limit information list to obtain a strictest speed limit list of the train; and obtaining, by searching the strictest speed limit list, a strictest speed limit value of an area corresponding to a real-time coordinate position of the train.