Abstract
The steering resistance characteristic of wheeled skid-steering vehicle is studied, and the interaction of tire-ground is analyzed by using the discrete element method (DEM). A micromechanical model for lateral interaction of tire and ground is established by using PFC2D software, and the relationship of resistance-relative slip velocity and resistance-sag depth is simulated. The fitting formula of skid-steering resistance coefficient is given. The result shows that the bulldozing resistance between tire and ground is much higher than friction force.
| Original language | English |
|---|---|
| Pages (from-to) | 1433-1438 |
| Number of pages | 6 |
| Journal | Binggong Xuebao/Acta Armamentarii |
| Volume | 32 |
| Issue number | 12 |
| Publication status | Published - Dec 2011 |
Keywords
- Discrete element method
- Ground mechanics
- Road transportation
- Skid-steering
- Steering resistance
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