Vehicle control device for article transport system in production factory and operation method thereof
A technology for vehicle control devices and manufacturing plants, applied in vehicle position/route/height control, control/regulation systems, vehicle components, etc., can solve problems such as inability to achieve communication
Pending Publication Date: 2022-02-22
SEMES CO LTD
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- Application Information
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Problems solved by technology
When a problem occurs in a part of the wired network, the communication between the specific access point and the vehicle control device will be cut off, and the vehicle located in the area where the corresponding access point provides wireless connection, that is, the coverage area (coverage), cannot communicate with the vehicle. Communication of the control unit
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[0032] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those having ordinary knowledge in the technical field to which the present invention pertains can easily implement. The present invention can be implemented in various ways and is not limited to the embodiments described here.
[0033] In order to clearly describe the present invention, parts irrelevant to the description are omitted, and the same reference numerals are attached to the same or similar constituent elements throughout the entire specification.
[0034] In addition, among the plurality of embodiments, only representative embodiments will be described by using the same reference numerals for components having the same configuration, and only configurations different from the representative embodiments will be described in the remaining other embodiments.
[0035] Throughout the specification, when it is expressed that a certain ...
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The invention provides a vehicle control device for an article transport system in a production factory and an operation method thereof. A method of operating a vehicle control device for an article transport system in a production factory include identifying a first access point that is disabled from communicating with the vehicle control device among access points for performing wireless communication with respective vehicles in the production factory, identifying a first vehicle positioned in a disabled communication region corresponding to a coverage of the first access point, and transmitting a first message, which is intended to be transmitted to the first vehicle, to a second vehicle connected to a second access point and transmitting a second message for instructing the second vehicle to move to the disabled communication region. According to an embodiment of the present invention, a vehicle located in a communication-enabled region enables communication with a vehicle that is connected to an access point to which a connection to the vehicle control device is cut off.
Description
technical field [0001] The present invention relates to a vehicle control device and a working method in an object handling system in a manufacturing plant, and more particularly to a vehicle control device and a vehicle control device for performing communication with a specific wireless router (access point) when a wired network problem prevents communication between the vehicle control device and a specific wireless router (access point). Apparatus and method for communication between. Background technique [0002] The semiconductor (or display) manufacturing process is a process for manufacturing semiconductor elements on a substrate (eg, wafer), including, for example, exposure, evaporation, etching, ion implantation, cleaning, packaging, and the like. A manufacturing plant for manufacturing semiconductor elements consists of clean rooms on one or more floors, and manufacturing equipment for performing semiconductor manufacturing processes is arranged on each floor. ...
Claims
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IPC IPC(8): H04W4/44H04W4/46H04W36/00H04W36/30H04W74/00
CPCH04W4/44H04W4/46H04W36/0011H04W36/305H04W74/002G05D1/0297G05D1/0022H04W4/40H04W4/35H04W4/06H04W24/04H01L21/67724H01L21/67733G05D1/0212G05D1/0276
Inventor 金昇铉
Owner SEMES CO LTD