At present, the commercially available tire monitoring systems are not equipped to sense and transmit high speed dynamic variables used for real-time active safety control systems. Hence, today's vehicle control systems are limited by the lack of knowledge of critical tire-road states This work focuses on the development of new enabling technologies for intelligent tires which are expected to spur the development of a new generation of vehicle control systems with modified control strategies, leveraging information directly coming from the interface between the tire and the road. An integrated sensor fusion approach using intelligent tires and model based estimators gives us the capability to reliably estimate real-time tire-road contact parameters for a wider range of operating conditions of the tire. Considering the strong interdependence between the tire operating conditions and the instantaneous forces and moments generated; this real time estimate of the tire-road contact parameters is expected to play a pivotal role in improving the performance of a number of vehicle control systems. Specifically, this information could be used to generate a reference slip value for controllers, such as an ABS or a traction control system (TCS). Tire stiffness estimates can also be used in vehicle models, such as the bicycle model, which are often used in reference control schemes and vehicle dynamics observers.
Developing enabling technologies for intelligent tires
2014
37 Seiten, Bilder, Tabellen, 41 Quellen
Conference paper
Storage medium
English
Developing enabling technologies for intelligent tires
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