نتایج جستجو برای: road vehicle
تعداد نتایج: 175075 فیلتر نتایج به سال:
Using a vehicle toy (in next future called vehicle) as a moving object an automatic road lighting system (ARLS) model is constructed. A digital video camera with 25 fps is used to capture the vehicle motion as it moves in the test segment of the road. Captured images are then processed to calculate vehicle speed. This information of the speed together with position of vehicle is then used to co...
Vehicle classification is the process of vehicle type recognition based on given vehicle characteristics. Accurate vehicle classification has many important applications in transportation. One example is road maintenance, which is highly related to the monitoring of heavy vehicle traffic. Because trucks and oversized vehicles exhibit distinctly different performance characteristics from passeng...
This paper presents a computer vision system for an autonomous road vehicle (ARV) that is capable of negotiating complex road networks including road junctions in real time. The ultimate aim of the system is to enable the vehicle to drive automatically along a given complex road network whose geometric description is known. This computer vision system includes three main techniques which are ne...
Drive-train bench system is utilized to test powertrain components of a vehicle such as transmission, torque converter, etc. In order to simulate the real vehicle motion, it is necessary that dynamometers of the drive-train bench simulates the various road conditions such as dry road surface and snow road surface, etc. To simulate the condition that the vehicle is running on the dry road, it is...
This article shows an effective implementation of the algorithm for detection of road signs using video obtained by a camera installed in a vehicle. Road signs detection and recognition are implemented using CUDA and operate in real-time on a mobile GPU. Vehicle speed is used to predict the position of road signs in the adjacent frames in a video sequence. The experimental results confirmed the...
In this paper, the 1/4 vehicle model have been simulated. The vehicle body acceleration using optimal control has been optimized. The vehicle ride comfort is achieved by using robust control, and it has been compared with optimal control. The active suspension can help the vehicle to have a good dynamic behavioral. In this paper, two degrees of freedom dynamic vibration model of a general ve...
The goal of studying the vehicle suspension systems is to reduce the vehicle vibrations which are due to the irregularities of road levels and the fluctuations in the vehicle velocity. These vibrations are transferred to the body and occupants of vehicles through the suspension system. In general, the main function of an active suspension system is to support the vehicle body by reducing the in...
The problem of navigating a robot along a road is approached by means of creating and updating a simple representation of the road from a sequence of images. The representation chosen is a 4-parameter model that describes the width, direction and simple curvature of the road in a vehicle centred (X,Y,Z) world coordinate system. The model is created from tracking along major edge features in an ...
This paper presents a method for detecting vehicles as obstacles in real road scene using a single onboard camera for an automotive vehicle. Vehicles are detected by finding region of interest (boundary detection) using morphological operation in image captured by camera. When a vehicle is found in front of travelled vehicle then the driver assistance system gives warning to the driver to give ...
Introduction: Nowadays, there are many efforts in different countries to identify hazardous road locations through different models in Geographic Information System (GIS) software. Our goal was to identify hazardous locations on a part of Yazd-Kerman highway located in Yazd province. It was by using hot zone method in GIS, and the relationship between these locations and environmental and demog...
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