[특허]Automatic vehicle following system

Automatic vehicle following system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60T-007/16
출원번호	US-0245865 (1994-05-19)
발명자 / 주소	Tang Qing (Storrs CT) Wang Wei-Ping (Storrs CT) Gan Zhongxue (Storrs CT) Zhang Ruiming (Storrs CT) Moh John (Freshmeadows NY)
출원인 / 주소	VI&T Group, Inc. (Freshmeadows NY 02)
인용정보	피인용 횟수 : 75 인용 특허 : 0

초록 ▼

An automatic vehicle following system is provided for controlling a following vehicle to maintain at least a predetermined distance behind a preceding vehicle and to substantially follow the path of the preceding vehicle. An on-line measurement system of the preceding vehicle generates signals indicative of the velocity (having speed and directional components) of the preceding vehicle, and a communication system transmits the velocity signals to the following vehicle. The following vehicle likewise has a communication system for receiving the signals from the preceding vehicle, and an on-line measurement system for providing signals indicative of the velocity of the following vehicle and signals indicative of the distance between the two vehicles. A signal processing system of the following vehicle is coupled to the communication system and on-line measurement system for estimating motion trajectory of the preceding vehicle based on the difference in the velocities of the preceding and following vehicles and the following distance. A control system generates control signals and takes action so as to perform speed control and maintain at least a predetermined safe following distance between the two vehicles, and steering control to substantially follow the path of the preceding vehicle.

대표청구항 ▼

An apparatus for controlling the longitudinal and lateral motion of a following vehicle to follow the path of a preceding vehicle, comprising: first means for generating first signals indicative of a state vector comprising velocity and position vector components of the preceding vehicle, wherein each position vector component is derived by integrating the corresponding velocity vector component with respect to time; second means for generating second signals indicative of a state vector comprising velocity and position vector components of the following vehicle, wherein each position vector component is derived by integrating the corresponding velocity vector component with respect to time; and third means for controlling the longitudinal and lateral motion of the following vehicle by generating a performance index based on an integration with respect to time of the differences between the state vector components of a first signal at a first time and the corresponding state vector components of a second signal at a second time following the first time controlling the speed and steering of the following vehicle such that the performance index is less than a predetermined value to cause the following vehicle to follow the path of the preceding vehicle.

이 특허를 인용한 특허 (75)

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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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연합인증

Automatic vehicle following system 원문보기

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연합인증

Automatic vehicle following system 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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