[특허]Autonomous guided vehicle guidance device

[미국특허] Autonomous guided vehicle guidance device 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06F-016/500
출원번호	US-0970609 (1997-11-14)
우선권정보	JP-0306520 (1996-11-18)
발명자 / 주소	Takiguchi Junichi,JPX Sugie Hiroshi,JPX Wakisaka Tatsuya,JPX Yoshino Kyoji,JPX Inoue Fumihiro,JPX
출원인 / 주소	Obayashi Corporation, JPX
대리인 / 주소	Burns, Doane, Swecker & Mathis, LLP
인용정보	피인용 횟수 : 21 인용 특허 : 7

초록 ▼

When material transport was automated on a building construction site, in a conventional travel tape guide system, it was necessary to replace the tape when it became soiled or when changes were made to a travel route. As a result, the usage efficiency of a material transport vehicle could not be improved on the site due to the fact that changes are made to work floors as demanded by construction schedules. According to this invention, there is provided a sign which is easy to move and which is installed at a turning point or an unloading point on a work floor transport route. An image of the sign is obtained by an imaging device on an autonomous guided vehicle and operating instructions are recognized by image processing. This makes it possible to automate the setting of routes and the control of the vehicle.

대표청구항 ▼

[ What is claimed:] [6.] An autonomous guided vehicle guidance device comprising:an autonomous guided vehicle which travels on the work floors of a building construction site;a hook for holding a material at the front of said vehicle;a computer for controlling said vehicle;an operating panel for inputting startup and stop commands of said autonomous guided vehicle guidance device;an imaging device for obtaining an image of a sign;a zoom lens which maintains a constant size display of said sign by varying a focal length and image angle according to a distance to said sign;a strobe for illuminating said sign in front;means for measuring a distance to said sign appearing in said zoom lens;an image processing device for extracting and recognizing said sign based on an image signal from said imaging device;means for detecting an angle of an inertial system onboard said vehicle;means for supplying power to a vehicle drive unit, said controlling computer, said imaging device, said zoom lens, and said strobe;turning drive means for turning said distance measuring means, said strobe and said imaging device;a power amplifier for supplying a turning drive signal to said turning drive means; andsaid sign installed at a change-over point or an unloading point for indicating a curve or change of direction;wherein said detected angle and said image of the sign provide an indication of the curve or change in direction which is processed by controlling computer to provide a control command for guiding said vehicle.

이 특허에 인용된 특허 (7) 인용/피인용 타임라인 분석

Roberts Malcolm T. (Oadby GB2) Miles Russell W. (Rugby GB2), Apparatus and method for identifying scanned reflective anonymous targets.
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Dallaire Rodney J. (37497 Bristol Ct. Livonia MI 48154), Autoguided vehicle using reflective materials.
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Field Bruce F. (Minneapolis MN) Hunt Paul C. (Brainerd MN), Method and apparatus for a target determining apparatus having increased range.
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Shoup David T., Motion detection system.
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Barry Robert F. (Monroeville Boro PA), Navigation system for unmanned vehicles.
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Hammill ; III Harry B. (Williamsville NY), Target member for use in a positioning system.
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Reinaud Guy F. (Dampierre en Yvelines FRX), Vehicle guidance system particularly for use in agriculture.
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이 특허를 인용한 특허 (21) 인용/피인용 타임라인 분석

Mullen, Jeffrey D, Advanced cooperative defensive military tactics, armor, and systems.
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Mullen, Jeffrey David, Advanced cooperative defensive military tactics, armor, and systems.
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Mullen, Jeffrey David, Advanced cooperative defensive military tactics, armor, and systems.
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Mullen, Jeffrey David, Advanced cooperative defensive military tactics, armor, and systems.
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Mullen, Jeffrey David, Advanced cooperative defensive military tactics, armor, and systems.
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Nakano, Tsuyoshi; Tanaka, Shoji, Autonomous mobile device.
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Ferguson, David Ian; Haehnel, Dirk; Mahon, Ian, Construction zone object detection using light detection and ranging.
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Ferguson, David Ian; Haehnel, Dirk; Mahon, Ian, Construction zone object detection using light detection and ranging.
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Fairfield, Nathaniel; Ferguson, David Ian; Ogale, Abhijit; Wang, Matthew; Yee, Yangli Hector, Construction zone sign detection.
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Fairfield, Nathaniel; Ferguson, David Ian; Ogale, Abhijit; Wang, Matthew; Yee, Yangli Hector, Construction zone sign detection.
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Ferguson, David Ian; Haehnel, Dirk, Construction zone sign detection using light detection and ranging.
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Ferguson, David Ian; Haehnel, Dirk, Construction zone sign detection using light detection and ranging.
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Zhang, Wende; Naik, Sanjeev M., Enhanced clear path detection in the presence of traffic infrastructure indicator.
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Zhang, Wende; Naik, Sanjeev M., Enhanced clear path detection in the presence of traffic infrastructure indicator.
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Wallace,Jon K.; Khairallah,Farid; Dunbridge,Barry; Berenz,John J., Enhancement of vehicle interior digital images.
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Katsuki, Rie; Yoshimi, Takashi, Information communication system for use in robot.
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Long, Gang; Lin, Songwei, Single-camera system for measuring a vehicle distance and measurement method thereof.
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Malecki, Robert S.; Her, Lue; Thompson, Ryan S.; Giang, Anthony H., System and method for autonomous vehicle control.
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Breed, David S., System and method for preventing vehicular accidents.
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Joao, Raymond Anthony, Vehicle operator and/or occupant information apparatus and method.
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Breed,David S.; DuVall,Wilbur E.; Johnson,Wendell C., Vehicular blind spot identification and monitoring system.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Autonomous guided vehicle guidance device 원문보기