System for controlling the stability of a vehicle using an...

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication

Reexamination Certificate

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Details

C701S071000, C701S072000, C701S080000, C701S090000, C073S146000, C340S442000

Reexamination Certificate

active

11039108

ABSTRACT:
System for controlling the stability of a vehicle, the system comprising means for imparting a longitudinal force on the tire and means for calculating the slip parameter GOptat each activation of the means for imparting a longitudinal force on the tire in the following manner: determining coefficients A[avg/p]by direct calculation or by an appropriate regression, from a sufficient number of pairs (μi, Gi), so as to model a first curve of variation μi=f(Gi, A[avg/p]) including the origin, and the pair or pairs (μi, Gi), in which μiis different from zero, determining an indicator of the average slope α1of the first variation curve, determining coefficients B[avg/p]by direct calculation or by an appropriate regression, from a sufficient number of pairs (μi, Gi), so as to model a second variation curve, free not to pass through the origin, μi=f(Gi, B[avg/p]) including the pair or pairs (μi, Gi), in which μiis different from zero, determining an indicator of the average slope α2of the second variation curve, as long as the difference between α1and α2is below a predetermined slope threshold, repeating the previous operations for each new acquisition of the pair of values (Gi, μi), as soon as the difference between α1and α2exceeds the predetermined slope threshold and determining a target slip GCavgusing at least the last pair of values (Gi, μi).

REFERENCES:
patent: 3980346 (1976-09-01), Leiber
patent: 4715662 (1987-12-01), van Zanten et al.
patent: 4794538 (1988-12-01), Cao et al.
patent: 5343918 (1994-09-01), Fontaine
patent: 5402345 (1995-03-01), Kost
patent: 5409302 (1995-04-01), Chabbert
patent: 5513907 (1996-05-01), Kiencke et al.
patent: 5641212 (1997-06-01), Sakai
patent: 5814718 (1998-09-01), Andresen et al.
patent: 5816666 (1998-10-01), Wiss
patent: 6015192 (2000-01-01), Fukumura
patent: 6092415 (2000-07-01), Borenius et al.
patent: 6233505 (2001-05-01), Kranz et al.
patent: 6285280 (2001-09-01), Wang
patent: 6449542 (2002-09-01), Böttiger et al.
patent: 6550320 (2003-04-01), Giustino
patent: 2002/0010537 (2002-01-01), Yamaguchi et al.
patent: 2002/0111752 (2002-08-01), Nakamura
patent: 2004/0024514 (2004-02-01), Levy et al.
patent: 2004/0032165 (2004-02-01), Levy et al.
patent: 2004/0049303 (2004-03-01), Levy et al.
patent: 2004/0225423 (2004-11-01), Carlson et al.
patent: 40 30 724 (1992-02-01), None
patent: 42 18 034 (1993-09-01), None
patent: 43 29 745 (1994-07-01), None
patent: 44 35 448 (1995-04-01), None
patent: 101 28 675 (2002-01-01), None
patent: 101 56 823 (2002-06-01), None
patent: 0 716 948 (1996-06-01), None
patent: 0 829 401 (1998-03-01), None
patent: 1 000 838 (2000-05-01), None
patent: 1 371 534 (2003-12-01), None
patent: 2816402 (2002-05-01), None
patent: 2 840 867 (2003-12-01), None
patent: WO 01/36240 (2001-05-01), None
patent: WO 01/76925 (2001-10-01), None
patent: WO 01/87647 (2001-11-01), None
Grosch, K. A., “Determination of Friction and Wear Resistance of Tread Compounds—Part I: Wet Skid,” Kautschuk and Gummi Kunststoffe, Jun. 1996, v49, No. 6, p. 432-441 (Abstract).
Yamazaki Shun'ichi., “The Determination of Tire Parameter for Real Time Estimation of Tire and Road Friction,” Jidosha Gijutsukai Koenkai Maezurishu, 1997, No. 971, p. 165-168 (Abstract).
Sakai Tomotsugu “Investigation of Lambourn Wear Test Conditions to Evaluate Tire Wear Life,” Toyota Motor Corp., Proceedings of the International Sessions JSME Spring Annual Meeting, 1996, vol. 73, p. 33-34 (Abstract).

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