Realtime Multiple-Model Estimation of Center of Gravity Position in Automotive Vehicles
Solmaz, Selim and Akar, Mehmet and Shorten, Robert and Kalkkuhl, Jens (2008) Realtime Multiple-Model Estimation of Center of Gravity Position in Automotive Vehicles. Vehicle System Dynamics, 46 (9). pp. 763-788.
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In this paper we present a methodology based on multiple models and switching for realtime estimation of center of gravity (CG) position in automotive vehicles. The method utilizes well-known simple linear vehicle models for lateral and roll dynamics and assumes the availability of standard stock automotive sensors. We illustrate the technique with numerical simulations as well as with measured sensor data from an SUV vehicle. We also compare our estimation results with traditional linear-least squares estimators to show the efficacy of our technique. Finally, we give a simple application example for implementing the idea in automotive vehicles as a switch for rollover controller activation.
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