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Vehicle action simulation method and vehicle action simulation system

A motion simulation and vehicle technology, applied in the field of vehicle motion simulation and vehicle motion simulation system, can solve the problems of unpredictability, inability to simulate with high precision, and non-measurement of tire ground contact characteristics

Pending Publication Date: 2021-07-23
BRIDGESTONE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] In addition, in the technique described in Patent Document 3, although the displacement and / or force of the vehicle body and each wheel are measured, the ground contact characteristics of the tire are not measured.
In addition, it does not predict the behavior of a real vehicle equipped with the tire
Therefore, with the technology described in Patent Document 3, it is impossible to accurately simulate what kind of behavior occurs when a real vehicle with tires is mounted on it.

Method used

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  • Vehicle action simulation method and vehicle action simulation system
  • Vehicle action simulation method and vehicle action simulation system
  • Vehicle action simulation method and vehicle action simulation system

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Embodiment Construction

[0032] Next, embodiments of the vehicle behavior simulation method and the vehicle behavior simulation system of the present invention will be described with reference to the drawings.

[0033] figure 1 It is a structural diagram of an example of the vehicle behavior simulation system 400 in this application. figure 2 It is a figure for explaining the camber angle CA etc. which are given to the tire T. image 3 It is a diagram for explaining a ground contact region T1A in contact with the rotating drum 1 on the tread surface T1 of the tire T, and the like.

[0034] exist Figure 1 ~ Figure 3 In the illustrated example, the vehicle behavior simulation system 400 includes a tire ground contact characteristic measurement device 100 , a vehicle characteristic measurement device 200 , and a vehicle behavior simulation device 300 .

[0035] In another example, the vehicle behavior simulation system 400 may not include the vehicle characteristic measurement device 200 .

[0036]...

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Abstract

In a vehicle action simulation method, the behavior of an actual vehicle during driving is predicted; changes in tire orientation and rotation-drum rotation speed are made so as to reproduce, in tires, the transient tire orientation change during driving of the actual vehicle that reflects the predicted behavior of the actual vehicle during driving; the stress applied to tires in contact with rotation drums of a tire ground contact characteristic measurement device is measured; tire ground contact characteristics are calculated; and the behavior of the actual vehicle during driving is predicted so as to reflect the vehicle characteristics predicted on the basis of the tire ground contact characteristics. According to the present invention, the prediction, reproduction, stress measurement, and calculation are carried out in parallel.

Description

technical field [0001] The invention relates to a vehicle action simulation method and a vehicle action simulation system. [0002] This application claims priority based on Japanese Patent Application No. 2018-230906 filed in Japan on December 10, 2018, and the contents thereof are cited in this application. Background technique [0003] Patent Document 1 describes a method of measuring the ground contact specific pressure characteristic of a tire for obtaining the ground contact characteristics of the tire at various camber angles and slip angles. In the technique described in Patent Document 1, a tire with a camber angle and a slip angle is brought into contact with a rotating drum in which a measurement unit is embedded, and both are rotated while the tire is rotated in the direction of the rotation axis of the rotating drum. Displacement while simultaneously measuring the ground contact pressure, shear stress in the width direction, and shear stress in the circumferent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M17/02
CPCG01M17/022G01M17/0072G01M17/065G01M17/045G01M17/0074
Inventor 神藏贵久加藤博
Owner BRIDGESTONE CORP