搜索结果: 1-15 共查到“交通运输工程 vehicles”相关记录26条 . 查询时间(0.234 秒)
Finding Computationally Inexpensive Methods to Model the Flow Past Heavy Vehicles and the Design of Active Flow Control Systems for Drag Reduction
Finding Computationally Inexpensive Methods Model Flow Past Heavy Vehicles Active Flow Control Systems Drag Reduction
2015/7/6
This paper explores the use of computational tools to analyze the aerodynamic e ects that Coanda jets have on the drag, stability and maneuverability of heavy vehicles. To facilitate the analysis and ...
Kinematic GPS for Closed-Loop Control of Farm and Construction Vehicles
Kinematic GPS Closed-Loop Control Farm Construction Vehicles
2015/6/29
Operating heavy equipment can be a difficult and very tedious task; control of an agricultural tractor requires the continuos attention of the driver, and farmers often work long hours during the crit...
System Identification and Robust Control of Farm Vehicles Using CDGPS
System Identification Robust Control Vehicles Using CDGPS
2015/6/29
Automatic control of agricultural vehicles has been a research goal for many years. Previous attempts have failed largely due to sensor limitations. With the advent of modern GPS receivers, a single l...
Impacts of low-speed vehicles on transportation infrastructure and safety
Impacts of low-speed vehicles transportation infrastructure safety
2013/11/21
There are increasing numbers of low-speed electric vehicles (LSV) on public roadways. These vehicles are designed to be used within protected environments and on roadways with a maximum posted speed o...
Longer combination vehicles and road safety
longer combination vehicles (LCVs) configurations of LCVs road safety performance of LCVs accidents involving LCVs driver behavior
2010/10/29
The aim of this paper is to explore the relationship between the features of Longer Combination Vehicles (LCVs) and road safety issues. LCVs are road vehicles that exceed dimensions of a typical or st...
Investigating traffic accidents: a collision of two motor vehicles
road traffic traffic accident traffic safety motor vehicle collision simulation PC-CRASH
2010/10/29
Traffic safety may be ensured by normal operation of all elements of the system, including the driver, a motor vehicle and transportation medium. Insufficient safety of some particular elements of thi...
Choosing railway vehicles for carrying passengers
diesel trains electrical trains passenger carriages number of passengers mathematical model
2010/10/29
To carry passengers, diesel and electrical trains, railcars, passenger carriages and hauled locomotives are used in AB ‘Lietuvos geležinkeliai’ (Lithuanian Railways). In certain sections, the num...
Environmental rating of vehicles with different fuels and drive trains: a univocal and applicable methodology
environmental assessment well-to-wheel atmospheric pollution
2009/9/29
A new and applicable environmental rating tool for use as a policy tool, called EcoScore, was developed and allows evaluating the environmental impact of road vehicles with different drive trains or u...
Real-time hiring of vehicles for container transport
Deployment of vehicles Container logistics Online transportations control
2009/9/29
This study concerns the deployment of large numbers of container transporting vehicles on a network consisting of (dedicated) roads and logistic sites such as container terminals. Each site is managed...
Tolling Heavy Goods Vehicles on European Roads. From a Diverse Set of Solutions to Interoperability?
infrastructure charging heavy goods vehicles electronic fee collection
2009/9/28
This paper is based on work carried out in the DESIRE research project of the European Commission’s 5th Framework Program, dedicated to the identification of preferred schemes for inter-urban tolling ...
Knowledge-Based Navigation for Autonomous Road Vehicles
Computer vision image processing autonomous road vehicle navigation real-time computing
2009/7/27
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 sy...
Estimation of the need for harmonization of technical demands for vehicles used in transit countries to decrease threats made by the accidents, presented in the selected examples
safety transport visibility
2010/11/1
The paper shows the need to make harmonization of the technical demands concerning the vehicles used in the traffic. The vehicles moving now on the roads in the transit countries were allowed to be dr...
Locating stations of public transportation vehicles for improving transit accessibility
bus stops planning access distance optimization travel time locating public transportation
2010/11/1
Since transportation is one of the most complicated and the basic problem of urban life in developing countries at the present time and in various dimensions, so it is necessary to view it more scient...
A mathematical model to set speed limits for vehicles on the highway
speed limits seatbelt head-on collision impact force roads or highways
2010/11/1
The purpose of this paper is to develop a mathematical model that could guide certain speed limits for vehicles on roads. Excessive speeds on roads have been a major indirect cause of deaths on highwa...
Maintenance costs of road pavement and motor vehicles on the route Vilnius – Kaunas – Klaipėda
road pavement vehicle maintenance costs
2010/11/2
The article describes the impact of axle loads of vehicles on the road pavement. Pavement deterioration intensity and the charge imposed on vehicles the axle load of which exceeds the set norm are ana...