Title:
TRACTION CONTROL DEVICE FOR VEHICLE
Document Type and Number:
Japanese Patent JP3438305
Kind Code:
B2
Abstract:
PURPOSE: To provide a traction control device for a vehicle capable of changing a preset car speed, in which brake traction control is inhibited at a car speed of the preset car speed or more, based on a road surface μ, whether on a split road surface or not, brake temperature, etc., in the traction control.
CONSTITUTION: Relating to traction control, including engine traction control and brake traction control. In routine for setting a slip flag Fe or discriminating whether engine traction control is necessary or not and for setting slip flags Fb1, Fb2 of discriminating whether brake traction control is necessary or not of right/left drive wheels, in the case of high μ road, the flags Fb1, Fb2 are set (S39), at a less than 60km/h preset car speed, and brake traction control is inhibited (S38) at 60km/h or more, based on a slip amount and its target value. In the case of low μ road, the flags Fb1, Fb2 are set (D39), at a less than 40km/h preset car speed, and the brake traction control is inhibited (S38), 40km/h or more, based on a slip amount and its target value.
Inventors:
Toshifumi Ikeda
Seiji Matsumoto
Hiroshi Seni
Seiji Matsumoto
Hiroshi Seni
Application Number:
JP7275794A
Publication Date:
August 18, 2003
Filing Date:
March 16, 1994
Export Citation:
Assignee:
Mazda Corporation Inc
International Classes:
B60W10/04; B60T8/172; B60T8/175; B60T8/1764; B60T8/58; B60W10/06; B60W10/18; B60W10/188; F02D29/02; (IPC1-7): B60K41/20; B60T8/58; F02D29/02
Domestic Patent References:
| JP2141337A | ||||
| JP2262455A | ||||
| JP51595A | ||||
| JP5294225A | ||||
| JP5229414A | ||||
| JP1249557A |
Attorney, Agent or Firm:
Toshio Okamura