[특허]Truck/trailer control system

Truck/trailer control system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62D-013/00
출원번호	US-0992788 (1992-12-18)
발명자 / 주소	McLaughlin Richard J. (4203 W. 141st St. Hawthorne CA 90250)
인용정보	피인용 횟수 : 50 인용 특허 : 0

초록 ▼

Automatic Trailer Control System－containing four principle inventions. One part of the invention provides automatic trailer steering control to the trailer to cause a delayed turn of the trailer steering mechanism while maneuvering a turn. A second part of the invention provides an electro-magnetic braking system, to the trailer, which is controlled by the same Microcomputer system that controls the trailer turning. The third part of the invention utilizes the electro-magnetic braking system as an alternator/generator to be used as an auxiliary battery charging system. A fourth part of the invention uses the electro-magnetic braking system as a motor to drive the trailer wheels as an assist during trucking operations. All operational functions are controlled by the Microcontroller based control system mounted on the trailer rear wheel platform. Sensors are placed on the truck/trailer operating system to obtain operational information needed for the control of the system.

대표청구항 ▼

In a vehicle having a truck unit with an engine, and front truck wheels mounted for turning in unison to each side relative to straight forward alignment and a trailer unit joined to said truck unit in articulated fashion by a coupling therebetween, said trailer unit having a trailer body and at least a set of rear wheels mounted on a rear trailer wheel axle assembly the improvement comprising: front truck wheel turning sensor means for sensing the extent of turning of said front truck wheels relative to straight forward alignment of said truck unit and for generating a front wheel turning position signal indicative thereof, truck travel speed sensing means for sensing the velocity of said truck unit and for generating a velocity signal indicative thereof, alignment sensing means located at said coupling between said truck unit and said trailer unit and providing a truck/trailer angle position signal indicative of degree and direction of angular offset of alignment of said trailer body relative to said truck unit, a trailer platform mounted beneath said trailer body for rotation relative thereto about a vertical platform axis and carrying said rear trailer wheel axle assembly, whereby said trailer platform and said rear wheel axle assembly are rotatable together relative to said trailer body about said vertical platform axis, reversible platform drive motor means for selectively driving said trailer platform in alternative directions about said vertical platform axis relative to straight forward alignment with respect to said trailer body, platform position sensor means for sensing the angular orientation position of said trailer platform relative to said trailer body and for providing a platform orientation feedback signal indicative thereof, tilt sensing means on said trailer body generating a tilt information signal indicative of lateral tilt of said trailer body, electronic trailer steering control means coupled to receive said front wheel turning position signal, said platform orientation feedback signal, said truck/trailer angle position signal, said tilt information signal, and said velocity signal and for providing a drive signal to said platform drive motor means to drive said platform to follow the turning of said front truck wheels at a delay interval dependent upon said velocity signal, the distance between said coupling and said front truck wheels, and the distance between said coupling and said vertical trailer axis.

이 특허를 인용한 특허 (50)

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Ducote Edgar A. (P.O. Box 45654 Baton Rouge LA 70895), Remotely-steered trailers.
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