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

一种行驶车、控制器的技术，应用在二维的位置/航道控制、车辆位置/路线/高度控制、控制/调节系统等方向，能够解决行驶车系统效率低下、封锁区域变大等问题，达到提高效率、控制简单的效果

Active Publication Date: 2011-04-27
MURATA MASCH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For these reasons, the blocked area becomes larger, and since the number of driving vehicles that can pass through the blocked area per unit time is roughly inversely proportional to the size of the blocked area, the efficiency of the driving vehicle system is low

Method used

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

Examples

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Embodiment

[0036] Figure 1 to Figure 6 An overhead crane system 2 of an embodiment is shown. In addition, the type of traveling vehicle may be a trolley traveling on the ground, an unmanned transport vehicle traveling on the ground without tracks, and the like. figure 1 Indicates the overall layout of the bridge crane system 2, 4 is the inter-bay route of the semiconductor factory, etc., 6 is the intra-bay route in the process area, and 8 and 10 are shortcuts. In addition, the controller 12 on the ground side controls the entire system 2, and the plurality of overhead traveling cranes 14 travel around the paths 4, 6, etc. in a single direction. The routes 4 and 6 have straight sections, branch sections D1 to D15 , merging sections M1 to M15 , and curve sections C1 to C4 .

[0037] figure 2 Denotes control at branch D. In addition, the control at branch D applies respectively to figure 1 Each branch D1-D15. 20 is a blocked area, and the overhead crane 14 needs the permission of the...

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Abstract

The invention provides a traveling vehicle system and a method for controlling traveling by a traveling vehicle system. A traveling vehicle recognizes the position of the vehicle, obtains the position of another vehicle by communication, sets a predetermined area including a branch section and a confluent section in a travel route to be a blocking area, and sets an area including the blocking area and larger than the blocking area to be an inter-vehicle distance control area. In the inter-vehicle distance control area, the traveling vehicle controls the speed by obtaining an inter-vehicle distance between the traveling vehicles from the position of another vehicle obtained by communication and the recognized position of the vehicle. Before entering the blocking area, the traveling vehicle requests permission to a controller and then enters the blocking area with the permission obtained. Narrowing the blocking area allows increase in the number of traveling vehicles which can pass through the blocking area per a period.

Description

technical field [0001] The present invention relates to traveling vehicles such as overhead crane (OHT), unmanned transport vehicle (or called automatic guided vehicle, AGV (Automatic Guided Vehicle)), rail trolley (RGV), and especially relates to the control of the branching part and the converging part . Background technique [0002] Patent Document 1: JP2005-284779A discloses a technique of installing an anti-collision sensor in a traveling vehicle such as an overhead crane to monitor a preceding traveling vehicle and prevent interference. Furthermore, it discloses a technique in which a controller on the ground side restricts entry to a branch portion and / or a merging portion, and allows only one traveling vehicle to enter. In addition, in the following description, the control that obtains the permission of the controller on the ground side before the traveling vehicle enters a specific area, and keeps the number of traveling vehicles in the area to one or less is refe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D1/02B65G1/00G01S13/931
CPCG05D1/0238G05D1/0289G05D2201/0216G05D1/024B65G1/00H04L12/28G01S13/931G07C5/008
Inventor 木下裕一郎
Owner MURATA MASCH LTD
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