Analysis of coupled suspension lateral dynamics characteristics based on suspension moment centre and non-steady tyre model
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Bibliographic record
Abstract
This paper presents an analytical approach for developing a coupled suspension lateral dynamics model to investigate lateral vibration characteristics. The concept of the suspension moment centre was introduced. The direction of the constraint reaction force from the independent suspension control arm is perpendicular to the tyre contact speed. This arrangement leads to a larger lateral movement of the suspension hub as the height of the moment centre increases. According to the coupled suspension lateral dynamics model, experimental results were used to validate the relationship between wheel camber, lateral displacement of wheel centre and wheel travel. The non-steady state lateral suspension force was calculated based on the tyre slip ratio, defined as the lateral speed relative to the rolling speed, and the system dynamics characteristics was analysed. The results show that under excitation from an uneven road surface, the root mean square value of the suspension lateral force initially increases and then decreases as vehicle speed increases. Additionally, the root mean square value of the suspension lateral force increases with the increase in tyre relaxation length.
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Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
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Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
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