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:
Oct. 17, 2023
Filed:
May. 08, 2020
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Hirotake Ishii, Tokyo, JP;
Tomoyuki Hamada, Tokyo, JP;
Hidefumi Ishimoto, Tokyo, JP;
Akiyoshi Kirimura, Tokyo, JP;
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Abstract
A vehicle control system includes an autonomous traveling vehicle configured to autonomously travel in a mine, a manned vehicle. The autonomous traveling vehicle and the manned vehicle each include an own position estimating device and a vehicle mounted communication terminal. The autonomous traveling vehicle and the manned vehicle are communicatively connected via one wireless channel. The manned vehicle transmits manned vehicle location information using a first communication method at a first granularity. When a distance from the manned vehicle is determined to be a first inter-vehicular distance threshold or less based on the manned vehicle location information transmitted by the first communication method, the autonomous traveling vehicle instructs the manned vehicle to transmit the manned vehicle location information by a second communication method different from the first communication method at a second granularity smaller than the first granularity.