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International Journal of Automotive Technology 2006;7(7): 821-826. |
| Rollover Index-Based Rollover Mitigation Control System |
| J. YOON1, K. YI1, D. KIM2 |
1Seoul National University
2Mando |
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| ABSTRACT |
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This paper describes a rollover index (RI)-based rollover mitigation control (RMC) system. A rollover index which indicates an impending rollover has been developed by a roll dynamics phase plane analysis. The rollover index is calculated using the roll angle, the roll rate, the lateral acceleration and time to wheel lift (TTWL). A differential braking control law based on a 2-D bicycle model has been designed using the direct yaw control (DYC) method. An RMC threshold has been determined from the rollover index. The performance of the RMC scheme and the effectiveness of the proposed rollover index are illustrated using a vehicle simulator. |
| Key Words:
Differential braking, Direct yaw moment control (DYC), Phase plane analysis, Rollover index (RI), Rollover mitigation control (RMC) |
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