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특허 상세정보

Four-wheel steered vehicle and torque distribution control methods for same

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B60W-010/20    B60W-030/02    B62D-006/00    B60W-010/14    B62D-007/15   
미국특허분류(USC) 701/042; 701/069; 701/089; 180/245
출원번호 US-0765768 (2013-02-13)
등록번호 US-9008915 (2015-04-14)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Ulmer & Berne LLP
인용정보 피인용 횟수 : 8  인용 특허 : 14
초록

A method for operating steerable rear wheels of a vehicle includes detecting a rear wheel steering angle of at least one of the steerable rear wheels, and detecting a first vehicular condition. The method further includes determining a weighted rear steering angle value based at least in part upon the rear wheel steering angle and the first vehicular condition, and controlling the steerable rear wheels in response to the weighted rear steering angle value.

대표
청구항

1. A method for controlling torque distribution to steerable rear wheels of a vehicle, the method comprising: generating rear wheel steering data, by a first controller, to facilitate steering of at least one of the steerable rear wheels;generating a theoretical standard torque bias ratio value, by a second controller, for controlling the distribution of torque to the steerable rear wheels without rear steering;transmitting the rear wheel steering data from the first controller to the second controller along a bidirectional communication bus;determining,...

이 특허에 인용된 특허 (14)

  1. Post, II,James W.. Ackerman angle correction in a steering system for a low speed turn. USP2006087085641.
  2. Bennett,Jeff; Gass,Brett; Hapka,Roger; Brady,Louis; Lovold,Ryan. All terrain vehicle with multiple steering modes. USP2008017316288.
  3. Obata, Takeaki; Deguchi, Yoshitaka. Apparatus for controlling steering angles of front rear wheels of vehicle. USP2003096625529.
  4. Yamamura Tomohiro (Yokosuka JPX) Sugasawa Fukashi (Yokohama JPX) Yokote Masatsugu (Yokohama JPX). Control system for optimizing operation of vehicle performance/safety enhancing systems such as 4WS, 4WD active suspensi. USP1994035297646.
  5. Lu,Jianbo; Brown,Todd Allen; Meyers,Joseph Carr. Enhanced system for yaw stability control system to include roll stability control function. USP2006117136730.
  6. Lin, William Chin-Woei; Chin, Yuen-Kwok; Sidlosky, David Michael; Rule, David S.; Deng, Weiwen. Integration of rear wheel steering with vehicle stability enhancement system. USP2003056560524.
  7. Ashrafi Behrouz ; Recker Darrel Alan. Method and apparatus for dynamically compensating a lateral acceleration of a motor vehicle. USP1998045742918.
  8. Sivashankar Shiva N. ; Ulsoy Ali Galip ; Hrovat Davorin D.. Method and apparatus for vehicle yaw rate estimation. USP1999035878357.
  9. Husain, Muqtada; Daugherty, Brian E.; Oynoian, John G.. Motor vehicle steering system. USP2005086929086.
  10. Hac, Aleksander B.. Rear steering control for vehicles with front and rear steering. USP2003046553293.
  11. Post, II,James W.. Scaling of side-to-side torque bias to improve cornering in a programmable four wheel drive system. USP2008117455142.
  12. Mikuriya, Yutaka; Tamasho, Tadashi; Miura, Masahiro; Kamada, Tetsurou; Okubo, Toru. Steering apparatus, automotive vehicle with the same, and steering control method. USP2012088255120.
  13. Muth, Norman; Linkenbach, Steffen; Böhm, Jürgen; Kaufmann, Tom. Steering device for adjusting a wheel steering angle. USP2013078494718.
  14. Kin, Keiyu; Yano, Osamu. Underinflation detector and method of correcting output of sensor using the same. USP2004126834543.