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Automobile Steering by Wire (SBW) system is an advanced steering system, which cuts off the mechanical connection between steering wheel and steered wheels. It controls the steering motor to steer front wheels actively so as to improve handling and stabilities and active safety, and controls steering wheel motor to supply the driver with ideal road feel. Driver-vehicle-road closed loop models of SBW...
Transport systems play critical role in modern day economies and are prime example of highly dynamic complex systems. Current traffic monitoring systems do not provide timely and granular information which could sufficiently meet system analysis requirements. Simulation augmented with virtual reality (VR) has emerged as an important methodology to model and analyze transport systems. This paper-reports...
This paper presents proposals of performance improvement of AFS (Active Front Steer) system. AFS system is a subsystem of UCC (Unified Chassis Control) system which is composed of AFS, ESC (Electronic Stability Control), EAS(Electronic Air Suspension) systems. In this paper, AFS system is focused and proposals for AFS system performance improvement are introduced. First, configurations, functionalities...
This paper presents a real-time moving object detection method using the wavelet-based neural networks for the pre-crash safety system of a vehicle. The proposed method uses stationary infrared cameras to sense vehicles and obstacles on the road ahead, and the CarPC to determine whether or not a collision is based on the speed, position, and traveling route of the object. In this method, the stationary...
Vehicle automation is an important research topic of advanced vehicle systems (AVS). Taiwan iTS-1 is the first smart car with autonomous driving in Taiwan. In this paper, an embedded driving-assistance system is presented. The definition of hierarchical-control structure is necessary in the system to deal with sensorial inputs and environmental and procedural knowledge to manage vehicle actuators...
The multi-agent system, which combines the cellular automata model, is of benefit to the simulations of large-scale events. Cars' movements were simulated using cellular automata model and their variability was introduced by superimposing agent. There were two submodels which based on the combined model. The first submodel simulated cars' movement in a park. The other submodel was proposed to simulate...
We present an adaptive brake warning system in order to help a driver keep a safe distance from the cars in front to avoid rear-end collisions. The safe distance continuously varies according to the carpsilas velocity, driving events, and road conditions. Three sensors, an ECU reader, a camera, and a laser range finder, are used to collect the vehicular velocity, the density of cars on the road and...
Vehicular ad-hoc network (VANET) is surging in popularity, in which vehicles constitute the mobile nodes in the network. Due to the prohibitive cost of deploying and implementing such a system in real world, most research in VANET relies on simulations for evaluation. A key component for VANET simulations is a realistic vehicular mobility model that ensures that conclusions drawn from simulation experiments...
Steering by Wire system is a revolution of steering system structure and function.lt cuts off the mechanical connection between steering wheel and steered wheels ,controls the steering motor to steer front wheels actively so as to improve handling and stabilities and active safety,and controls steering wheel motor to supply the driver with ideal road feel. First, driver-vehicle-road closed loop models...
The control strategy of AMT (automated mechanical transmission) is one of the most popular and heated-discussed problems in the research of automobile transmission. To realize the reasonable control on a vehicle, it is significant to meet the need of dynamics and economy, but it is more important to work out intelligence gearshift and control strategy accord with driverpsilas operating intentions...
With the growth of car navigation systems technology come a variety of enhancements aiming to increase user comfort and satisfaction. One such application is the appearance of methods for learning a driverpsilas preferences in making a choice between several routes. A driver may know his/her basic and most important factors in making such a decision, but may have these factors weighing in differently...
Energy is the bedrock of our daily lives and industry. Now is the time that industry, government and academia must join together and examine highly independent, fully environmentally considerate and rational energy systems. In this presentation, recent Japanese policy will be introduced focusing on new national energy strategy. Looking at future technology trends, it is probable that, in the case...
Automobile navigation systems based on dead reckoning, map matching, satellite positioning and other navigation technologies are under active development. ``Map intelligent'' systems achieve high relative accuracy by matching dead-reckoned paths with road geometry encoded in a digital map data base that may also serve other functions such as vehicle routing and geocoding. Satellite-based navigation...
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