Realtime Multiple-Model Estimation of Center of Gravity Position in Automotive Vehicles

Solmaz, Selim and Akar, Mehmet and Shorten, Robert N. and Kalkkuhl, Jens (2008) Realtime Multiple-Model Estimation of Center of Gravity Position in Automotive Vehicles. Vehicle System Dynamics, 46 (9). pp. 763-788. (In Press)

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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.

Item Type: Article
Keywords: Center of Gravity Estimation; Rollover; Multiple Models; Switched Systems;
Academic Unit: Faculty of Science and Engineering > Research Institutes > Hamilton Institute
Item ID: 890
Depositing User: Selim Solmaz
Date Deposited: 29 Jan 2008
Journal or Publication Title: Vehicle System Dynamics
Publisher: Taylor & Francis
Refereed: Yes

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