Title:
VEHICLE CONTROLLER, AUTOMOBILE, AND TIRE LATERAL FORCE ESTIMATION METHOD
Document Type and Number:
Japanese Patent JP2008049884
Kind Code:
A
Abstract:
To accurately estimate a lateral force to be generated in the tire of a vehicle.
This automobile 1 performs state estimation by a Kalman filter based on a state equation representing the behavior of front and rear wheels as a primary delay system to be driven by disturbance for estimating the lateral force of front and rear wheels. Therefore, it is possible to acquire a tire lateral force as the solution of the state equation which is established with respect to the behavior of the tire. Thus, it is possible to estimate the tire lateral force whose estimated error is more reduced than a conventional manner.
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Inventors:
SHIOZAWA HIROKI
MORI HIROSHI
KOJIMA MASACHIKA
MORI HIROSHI
KOJIMA MASACHIKA
Application Number:
JP2006229112A
Publication Date:
March 06, 2008
Filing Date:
August 25, 2006
Export Citation:
Assignee:
NISSAN MOTOR
International Classes:
B60R16/02; B60T8/172; B60T8/1755; B60W30/00; B60W30/02; B60W40/10; B60W40/101; B60W40/103; B60W40/109; B60W40/114
Attorney, Agent or Firm:
Tetsuya Mori
Yoshiaki Naito
Cui Shu Tetsu
Toru Miyasaka
Yoshiaki Naito
Cui Shu Tetsu
Toru Miyasaka