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Emergency maneuvering systems can take control of a vehicle in high-risk situations caused by distracted, fatigued, or careless drivers, which can reduce the frequency and severity of collisions. But in order to override the user's control the vehicle must reason with uncertain information: sensing provides noisy and partial input, vehicle dynamics models are never perfectly calibrated, and other...
Building effective Vehicular Cyber-Physical Systems (VCPS) to improve road safety is a non-trivial challenge, especially when we examine how the driver benefits from the existing and proposed technologies in the presence of Human Factors (HF) related negative factors such as information overload, confusion, and distraction. In this paper, we address a human-centric data fusion problem in VCPS. To...
Modern cars are equipped with a variety of sensors, advanced driver assistance systems and user interfaces nowadays. To benefit from these systems and to optimally support the driver in his monitoring and decision making process, efficient human-machine interfaces play an important part. This paper describes the second release of iDriver, an iPad software solution which was developed to navigate and...
The use of wireless sensor network in the smart traffic control systems is very beneficial and starting to be very promising in the design and implementation for such systems. It will help in saving people time and adapt the intersections traffic lights to the traffic loads from each direction. In this paper we present an intelligent traffic signals control system based on a wireless sensor network...
In the last decade, the design of smart tools applied to the automotive sector is becoming more and more required to support driving tasks and to increase drivers' safety. In this work, a system for the joint analysis of the on board/off board vehicle context is proposed to derive considerations on the driver's behavior and to detect possible dangerous situations. In particular, a cognitive model...
Traffic safety applications relying on cooperative systems are currently being considered by several research projects worldwide. An important question is if existing wireless technologies can meet the communication requirements from this emerging field of applications? Part of the answer to this question is that the communication requirements depend on what is actually communicated and how this information...
Cooperative Driving Systems are promising significant benefits for consumers. However, for their deployment, lane-level vehicle localization is a crucial enabling technology. This paper analyses technical challenges and presents current research activities in this field.
This paper presents vehicle control system for automatic valet parking with infrastructure sensors. First, we describe the automatic valet parking service system. In the service, vehicle moves autonomously based on sensing data generated by infrastructure sensors. Second, we implement vehicle control system for automatic valet parking. We design hardware and software components focusing on minimizing...
Road safety applications require the most reliable data. In recent years data fusion is becoming one of the main technologies for Advance Driver Assistant Systems (ADAS) to overcome the limitations of isolated use of the available sensors and to fulfil demanding safety requirements. In this paper a real application of data fusion for road safety for pedestrian detection is presented. Two sets of automobile-emplaced...
Current driver assistance systems merely use a minimum amount of information. By using additional information of the environment hazardous situations can be detected earlier, more reliably and with a higher accuracy. This situational information has a significant impact not only on hazard detection, but also on other modules such as the human-machine-interface or knowledge distribution between vehicles...
In vehicular ad hoc networks (VANET), Inter-Vehicle real-time information access and transfer is the key problem to solving or reducing traffic accidents. It is possible to locate and track a vehicle based on its transmissions, during communication with other vehicles or the road-side infrastructure. On the basis of vehicle active safety technology, this paper proposed a new message broadcast mechanism...
In the USA, a supervisor accompanies a driver during drivers-licensing road test to evaluate the driver's performance. The work in this paper envisions a system in which the supervisor can be replaced by a decision-making system, and proposes a controller for such application. By using the device proposed in this paper, the need for another person to accompany the driver can possibly be avoided, thus...
A considerable increase in road traffic has provoked a total change in the operating paradigms of vehicles, shifting vehicle handling from “just steering” towards a complex adaptation task. With the emergence of wireless communication technology, vehicle operation can now incorporate for the first time ever beside the local driver-vehicle interaction also more significant information obtained from...
The availability of several Advanced Driver Assistance Systems has put a correspondingly large number of inexpensive, yet capable sensors on production vehicles. By combining this reality with expertise from the DARPA Grand and Urban Challenges in building autonomous driving platforms, we were able to design and develop an Autonomous Valet Parking (AVP) system on a 2006 Volkwagen Passat Wagon TDI...
This work presents an alternative sensorial system, including the minimal number of devices, to register the driver activity on the control pedals. As it is known, sensors directly related to pedals are difficult to implement and require specific calibration for each tested vehicle. On the contrary, the new proposal based on the measurement of regime engine, frontal inclination, linear acceleration...
This paper presents an intelligent system to perform an erratic driving diagnosis. The proposed approach takes into account the analysis of the signals that could be acquired from modern on-board diagnostic systems (OBD-II), global positioning systems (GPS) and other localization sensors. Diagnosis of erratic driving could be essential to reduce accident rates, because of several applications that...
Integrity of the information provided by a perception system is crucial for advanced driver assistance systems intended for safety applications, like obstacle avoidance systems. A method to ensure integrity is to use different kinds of perception sources. Lidars are key sensors for multiple objects detection and tracking. Stereo vision systems (SVS) can be used to improve the tracking but, in this...
Understanding driver behavior is critical towards ensuring superior levels of safety and environmental sustainability in intelligent transportation systems. Existing solutions for vital sign extraction are generally intrusive in that they affect the comfort of the driver and may consequently lead to biased observations. Moreover, low-complexity devices such as GPS receivers and the multitude of sensors...
The complexity of cooperative systems makes the use of high fidelity simulation essential in the development and testing of cooperative applications and their interactions with other cooperative systems. In SAFESPOT a simulator test bench is setup to test the safety margin applications running on multiple vehicles and road side units. This paper presents the MARS simulator, its integration in the...
The great promise of vehicle to vehicle communications includes a reduction or even elimination of collisions and fatalities on roadways, especially of those due to driver error. A major roadblock to the effectiveness of these systems is the market penetration of cooperative Driver Assistance Systems. Many proposed and existing implementations of cooperative systems are only effective if a majority...
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