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New stringent European Union regulations, on both emission and fuel consumption are driving the automobile manufacturers in continuous search of suitable lightweight materials. Carbon Fiber Reinforced Plastic (CFRP) is one of the most prominent lightweight materials in use. In addition to the benefit of reduction in weight, the inherent properties of CFRP materials such as acoustic emission, electrical...
This paper aims to verify the structure of electric bus according to UN ECE safety regulation. Finite element method is employed to assess the strength of the bus superstructure such that the safety space for passengers is in accordance with ECE-R66 rollover test. In addition, crash conditions following the ECE-R100 mechanical shock test are performed to analyse the strength of battery compartments...
Based on a linear mono centric city, with the explicit consideration of user heterogeneity, i.e., each commuter has a different value of time (VOT), this paper investigates the optimal Park and Ride (P&R) location along the subway in a mode choice equilibrium model. On the basis of the model, we further examine the impact of the Tradable Credit Scheme (TCS) on the mode choice equilibrium. Numerical...
The vehicle software has many errors potentially because of the increased complexity of the electrical / electronic system of the vehicle. And in accordance with the ISO26262 standard, functional safety requirements for vehicle electronic modules are increasing. Therefore, in this paper, we analyze the failure modes which are required in ISO26262 Part 5, 6. And we propose design guidelines to meet...
This paper reports the motion control of a wall climbing robot. The robot has a pair of driving wheels and a coaxial propeller thruster. Two wheels are used for running on walls, and the thruster located on a gimbal mechanism is controlled corresponding to the orientation of the robot and the slope angle of the wall. The orientation control of the gimbal mechanism is newly proposed, and is experimentally...
Wireless sensor networks (WSNs) have been widely studied for decades due to their superior characteristics and promising applications. However, multi-hop WSNs suffer from serious collisions caused by hidden terminals, resulting in the decline of network performance and lifetime. Contention-free media access control (MAC) protocols can strictly avoid conflicts through channel resource partitioning...
There is a rapid urbanization happening throughout the world. Urban planners and policy makers are looking at various disruptive approaches for the revival of inner cities to accommodate the increasing urban population and their transportation demands. The effective utilization of mass transit systems and walkable cities are becoming the prime focus of urban development. On this backdrop, this paper...
This study attempts to make use of traffic behaviour on the aggregate level to estimate congestion on urban arterial and sub-arterial roads of a city exhibiting heterogeneous traffic conditions by breaking the route into independent segments and approximating the traffic flow behaviour of the segments. The expected travel time in making a trip is modelled against sectional traffic characteristics...
Vehicle Route Optimization (VRO) is one of most important topic now-a-days as if it can be manipulated, then pollution, one of the biggest enemy of the environment may be curbed out. Basic objective of the classical problem of Vehicle Routing Problem (VRP) is to find a path in a group of city such that the length of path of all cities connected together is minimized and to solve the problem along...
Over the past few years, electric vehicles are gaining recognition as a feasible alternative for the present day automobiles. Today's environmental scenario has instigated the authorities and entities to reduce the usage of fuel. This has initiated a surge in the market share of electric vehicles. In this paper, a Nearest Neighbour Search-based optimal routing of electric vehicles has been presented...
Analyzing the influence on traffic flow at intersection according to the driving characteristics of modern tram with different lane layout types. Proposing a method of dynamic priority algorithm (DPA) based on the idea of multiple attribute decision making (MADM) to analyze intersection delay. The VAP module based on MATLAB in Vissim is used to simulate the induction control of the modern tram through...
Advanced Driver Assistance System is a growing trend in automotive industry that integrates multiple discreet components to create system level solution. A typical ADAS system in an automobile has single or multiple radar chips to transmit and receive electromagnetic waves and a microcontroller to process received data that is used for assisting driver in decision making. Radar chip and microcontroller...
A novel precise control method of clamping force is proposed for a new type of braking device, which is composed of a motor servo system and a mechanical transmission. Because of machining error, assembling error and friction force of mechanical transmission, a great deal of error exists in force transfer, which makes the champing force of the electromechanical braking device to be uncontrollable...
The in-wheel motor electric vehicle (IWM-EV) is an overwhelming tendency in modern automobile due to its unmatched advantages. However, the new structure of IWM-EV which packets driving motor in wheel will induce the new problems, e.g. motor unbalanced radial force and airgap deformation of driving motor, etc. For the IWM-EV performance, these new problem is one of the major concerns. Taken switched...
Shrinking reserves of natural resources as well as incisive environmental pollution oblige humanity to rethink its generally favored propulsion concept: in the last decade electro-mobility as a refurbished technology gained greater significance once more. Due to political course setting, many German cities are testing Electric Vehicles (EV) especially in public bus transport. To get to the bottom...
In order to meet the trend of increasing scale and more complexly layout of electric vehicle(EV) fast charging station(FCS), as well as the development of urban intelligent city, this paper studied on use mobile Internet and mobile terminal to realize the intelligent billing and settlement system of EV FCS, which provided a integrated charging billing model based on time-of-use price, proposed a solution...
With summer time coming close, the heat exchanger fouling on air conditioning system of Chinese civil aircraft often causes air conditioning failure, which affects normal flight. And on-site cleaning is able to avoid the complexity of disassembly and installation while cleaning. In order to study the influence of the water-spraying atomization and detergent-spraying atomization on on-site cleaning,...
A new type of embedded piezoelectric sensor is developed, which can be used for structural health monitoring and traffic dynamic monitoring of road engineering. This kind of sensor with different specifications of special piezoelectric ceramic element as functional phase, using cement and epoxy resin organic and inorganic composite materials as special packaging materials, and design and architecture...
Interests in clean energy technologies have been growing in recent years especially for transportation, portable equipments as well as stationary power applications. Among the clean technology that gained high attention and investment to date is fuel cell, as a fuel cells is known to be able to produce electricity from a wide selection of fuels such as biogas, natural gas, propane, methanol, hydrogen...
A large interest has recently been given to global chassis control. This requires a tire model adapted to control synthesis that can represent combined slip. In this paper, a new suitable tire model for vehicle coupled operations control is proposed. The existing models are either too simple to represent coupled behaviors or too complex to allow control synthesis. This new tire model takes benefits...
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