Real-time Estimation of Tire Lateral and Vertical Forces Using Vehicle Accelerations
- Delivery
- Available on this site
- Format
- Price
- Non-members (tax incl.)：￥1,100 Members (tax incl.)：￥880
- Publication code
- 20122643
- Paper/Info type
- AVEC
No.DVS9-4
- Pages
- 1-6(Total 6 p)
- Date of publication
- Sep 2012
- Publisher
- Others, Unknown
- Language
- English
- Event
- AVEC '12
Detailed Information
| Category(E) | Driver-Vehicle Systems & Driving Simulator 9 |
|---|---|
| Author(E) | 1) Jungyun Kim, 2) Heeyoung Jo, 3) Bonghyun Lee |
| Affiliation(E) | 1) Catholic University of Daegu, 2) Hyundai Motor Company, 3) Korea Automotive Technology Institute |
| Abstract(J) | タイヤの横力と前後力は車両解析に重要な変数だが，非線形動力学，摩擦，スリップの為にリアルタイム推定は難しい．この為，タイヤフォース推定に車両加速度を使う実用的な間接法を提案する．提案の運動方程式は，位相遅れの推定やリアルタイム性確保に諸要素を含み，3軸加速度計の計測値を使う．本手法を6成分変換器の結果と比較検証した． Translation |
| Abstract(E) | Though the tire lateral and vertical forces are crucial variables for analyzing vehicle safety performances, they cannot be easily measured in real-time owing to the nonlinearities of tire dynamics, friction, and slippage on road. And the estimated tire forces using tire cornering and vertical stiffness and wheel side-slip angle have some errors compared with the real values in various driving situations. In this paper, we propose a practical indirect method using vehicle accelerations in order to estimate tire lateral and vertical forces transmitted into the vehicle in real-time. The proposed dynamic equations exclude the stiffness and damping elements of a vehicle for eliminating phase-lag circumstances and securing real-time performance. The vehicle acceleration values are obtained using conventional three-axis accelerometers attached on each wheel. And the proposed method is validated with the road test results using six-component wheel force transducers. |
