In a traveling vehicle system, traveling vehicles travel along a travel route under the control of at least one controller. Each of the traveling vehicles includes a first traveling vehicle position determining section arranged to determine a position of the respective traveling vehicle, and a second traveling vehicle position determining section arranged to determine a position of at least one other of the traveling vehicles by communication, and a distance sensor arranged to detect a distance between the respective traveling vehicle and the at least one other of the traveling vehicles. The at least one controller and the traveling vehicles are configured to control velocities of the traveling vehicles in an inter-vehicle control area by determining inter-vehicle distances between the traveling vehicles based on the position of the at least one other of the traveling vehicles obtained by the communication in the second traveling vehicle position determining section, and the position of the respective traveling vehicle determined by the first traveling vehicle position determining section, and to control the velocities of the traveling vehicles in areas of the traveling route other than in the inter-vehicle control area based on distances detected by the distance sensor.

Traveling vehicle system and method for controlling traveling by traveling vehicle system

PROBLEM TO BE SOLVED: To provide a travel controller capable of stopping a plurality of article carrier vehicles in a state that the carrier vehicles are aligned along a storage route with an inter-vehicle distance set as a set inter-vehicle distance without necessity to perform troublesome work SOLUTION: A travel control means, which can transmit travel distance information by a travel distance detection means to a rearward article carrier vehicle 4 positioned in the following position of an article carrier vehicle 4 controlled by itself in a traveling state of the storage route 3, can receive travel distance information by a travel distance detection means from a forward article carrier vehicle 4 positioned in the preceding position of the article carrier vehicle controlled by itself, manages the inter-vehicle distance between the forward article carrier vehicle and the article carrier vehicle 4 controlled by itself from the received travel distance information about the forward article carrier vehicle 4 and the travel distance information about the article carrier vehicle 4 controlled by the itself by the travel distance detection means, and stops the article carrier vehicle 4 on the storage route 3 such that the inter-vehicle distance becomes the set inter-vehicle distance COPYRIGHT: (C)2005,JPO&NCIPI

Travel controller for article carrier vehicle

PROBLEM TO BE SOLVED: To provide an article conveyance facility for preventing communication between an operation control means and an article conveyance vehicle and communication between a plurality of adjacent article conveyance vehicles from being interrupted. SOLUTION: In this article conveyance facility, as a communication means T for operation management, an optical communication means 17 for performing communication between an operation control means 14 and an article conveyance vehicle 3 and communication between a plurality of adjacent article conveyance vehicles 3 by a space light transmission system and a radio communication means 18 for performing communication between the operation control means 14 and the article conveyance vehicle 3 and communication between a plurality of adjacent article conveyance vehicles 3 by an electromagnetic transmission system are installed to perform communicating operations in parallel, and the operation control means 14 and a vehicle control means H are configured so that the communication information of the optical communication means 17 can be preferentially used, and that when the communication information of the optical communication means 17 is not available, the communication information of the radio communication means 18 can be used. COPYRIGHT: (C)2007,JPO&INPIT

Article conveyance facility

PROBLEM TO BE SOLVED: To easily monitor an obstacle ahead in a traveling direction of a conveyance vehicle in a conveyance system for conveying a conveyed object, such as an FOUP for storing various substrates for manufacturing a semiconductor device. SOLUTION: The conveyance system (100) comprises: a conveyance vehicle (3) traveling along a track (2); a distance image output means (10) for imaging a front in a traveling direction of the conveyance vehicle and outputting a distance image related to the front; a distance image analysis means (23) for analyzing the probability of collision of the conveyance vehicle with an obstacle ahead based on the outputted distance image; and a travel control means (4) for controlling travel of the conveyance vehicle according to the analyzed probability. COPYRIGHT: (C)2010,JPO&INPIT

Conveyance system and collision prevention system

PROBLEM TO BE SOLVED: To provide a method for controlling baggage carrying facilities capable of realizing inter-dolly control by always capturing the distance between front and back self-traveling dollies. SOLUTION: The baggage carrying facilities are provided with a self-traveling dolly 3 to be guided on a pair of traveling rails 1 for carrying baggage and a ground controller 31 for controlling the destination or load transfer of the self-traveling dolly 3. Each self-traveling dolly 3 is provided with an optical sensor transmitter 21 and an optical sensor receiver 22 for transmitting and receiving data between the front and back self-traveling dollies and a detecting means for detecting the traveling distance from an origin 5. This self-traveling dolly 3 is also provided with a feeder line 4 or MODEM 18 and 21 for transmitting data in a traveling section calculated from a traveling distance detected by the detecting means of each self-traveling dolly between each self-traveling dolly 3 and a ground controller 31. Each self-traveling dolly is constituted so that traveling speed control can be realized according to the inter- dolly distance calculated according to the traveling section data of the front self- traveling dolly transmitted through the ground controller 31 in an area other than a communication area between the optical sensor transmitter 21 and the receiver 22. Thus, it is possible to always perform inter-dolly control.

Method for controlling baggage carrying facility

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Method for controlling baggage carrying facility