Title:
TIRE STATE ESTIMATING DEVICE
Document Type and Number:
Japanese Patent JP2005238928
Kind Code:
A
Abstract:
To accurately estimate a state of a tire.
The tire state estimating device 10 of a vehicle 1 is provided with an acceleration sensor 32 for detecting acceleration of the tire 20, a wheel speed sensor 50 for detecting a wheel speed of the tire 20, an ECU 80 for estimating abnormality of the tire 20 based on detected result of the sensors, an alarm part 82 for informing a driver of the estimated result, and a speed control part 84 for performing control such as decelerating a vehicle speed when the abnormality of the tire 20 is estimated. The ECU 80 varies estimation contents in accordance with the vehicle speed, a temperature of the tire 20, a deteriorated state of the tire 20, and a state of a road on which the vehicle travels.
Inventors:
OGAWA ATSUSHI
KOJIMA HIROYOSHI
KOJIMA HIROYOSHI
Application Number:
JP2004049610A
Publication Date:
September 08, 2005
Filing Date:
February 25, 2004
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
B60C19/00; B60C23/04; B60C23/06; B60C23/20; (IPC1-7): B60C19/00; B60C23/04; B60C23/06; B60C23/20
Attorney, Agent or Firm:
Sakaki Morishita
Yusuke Murata
Tomoyuki Miki
Yusuke Murata
Tomoyuki Miki
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