Slip control device for vehicle, vehicle mounted with the...

Details Slip control device for vehicle, vehicle mounted with the... Slip control device for vehicle, vehicle mounted with the...

2008-05-27

2008-05-27

Morris, Lesley D. (Department: 3611)

Motor vehicles

With means for detecting wheel slip during vehicle...

C701S087000, C701S090000

Reexamination Certificate

active

10528217

ABSTRACT:
Under the condition of a large variation Tm in motor torque demand Tm*, the significant torque change may lead to some vibration of a vehicle to temporarily heighten an angular acceleration. The temporary rise of the angular acceleration may cause the angular acceleration to exceed a preset threshold value slip and result in misdetection of the occurrence of a ‘phantom’ skid in an angular acceleration—based skid state determination (step S112). The drive control of the invention accordingly specifies a potential for misdetection of the occurrence of a ‘phantom’ skid when the variation Tm in motor torque demand Tm* exceeds a preset threshold value Tthr at step S108.The drive control thereby does not execute skid occurring state control (step S120) with torque restriction but performs grip state control at step S116.

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Supplementary European Search Report for Appln. No. EP 03 74 1241 issued Jul. 21, 2006.

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