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With the rapid development of electric vehicles (EV), especially considering the wide location, safety evaluation and condition assessment of charging infrastructure have drawn more and more attention. The safe operation of the charging infrastructure not only plays an important role in promoting the efficiency and safely operation of electric vehicles, but also to avoid the distribution system security...
The change of the tire pressure leads to the change of the shape, pressure distribution of the contact area and stiffness of carcass. As a result, it influences tire mechanical properties at an intense rate. To study the influence of tire pressure to tire mechanical properties, we conduct tests about side slip condition using different pressures and we choose two kinds of speed. We find the relationship...
The ability to utilize and link diverse sources of off-board and on-board information will play a crucial role in the design of the next generation of connected powertrain energy management functions and ADAS. This will lead to considerable development challenges, especially with respect to reproducible testing and validation. In this article, a seamless office-to-rig-to-road development methodology...
The rapid development of modern internet industry system has promoted a brand new revolution of vehicle design. Deriving from the field of computer interaction, the theory of User Experience (UX) design has grown up. While the InVehicle Infotainment (IVI), with a high connection with computer interaction, demanding the methods and flow of UX design urgently. Depending on the UX design project for...
This paper presents an adaptive position observer with permanent magnet flux estimation for permanent magnet synchronous motor in a drive system. The new nonlinear adaptive position observer for the permanent magnet synchronous motor is designed relying on stator current, voltage measurements and the speed information. Then, an adaptive flux constant estimator is constructed to generate the flux constant...
Intelligent and connected vehicle traffic makes it possible to achieve active safety applications and self-driving more efficiently and cheaply, but only when accurate vehicle positioning is accessible. Therefore, to remedy the defects of current GPS positioning technology, a new positioning system based on RFID and vision is proposed. This system aims at lane-level positioning even in various environments...
This article focuses on the development strategy of intelligent and connected vehicle in American, to guide the development of China. The intelligent and connected vehicle is considered as a significantly important development direction of automotive industry, thus American government design different measures to encourage automobile makers and suppliers to research and test, or cooperatively study...
With the development of connected vehicle (CV), the moving vehicle localization is certified to be important and has attracted more and more attention in domain of intelligent vehicle. Considering the limitation of poor adaption and larger random error of logarithmic distance-loss model, a path-loss model based on BP neural networks is proposed, which can conquer the cumbersome calibration of complex...
A vast increase in automotive Electrical/Electronic systems, coupled with related demands on connection, has created an array of new engineering challenges. Strong coupling and correlative relationship between electric/electronic devices are more and more complicated, and the malfunctions and failures are more difficult even no access to detect and locate, which seriously threatens the vehicle safety...
With the fast development of regenerative braking technologies in modern transportation systems, it has become popular to take into account the regenerated electric energy of electric vehicles for energy-saving purposes. In railway transportation, it was found that given the monotonicity of the vehicle speed during an acceleration or braking process, a partial speed optimisation model can be set up...
This paper focuses on the combination of intelligent transportation technology and hybrid electric vehicle energy management strategy. An energy management strategy based on road grade preview is proposed. This control strategy utilizes the Global Positioning System (GPS) and geographic information systems (GIS) to accomplish the road slope grade prediction. Furthermore, the knowledge of road event...
Based on the literature and an exploratory survey with 291 participants that we have deployed, factors that can influence users' trust into automated vehicles have been identified. Twelve experts from the fields of Human Factors, Robotics, Navigation, Positioning and Connectivity fields have been interviewed either face to face or by phone for their insights regarding the importance and use of the...
The paper puts forwards one kind of vehicle run on the fixed route every day, which takes advantage of the big data of vehicle running, excavates the method of power system output power standard that the vehicle runs on this route. When the vehicle runs under the power system output power standard, its energy consumption reduces 5%~8% compared with the previous daily running. The theory of the method...
Based on the consumption analysis of energy flow in a vehicle, a new eco-driving assistance system is designed by optimizing the energy consumption of acceleration and deceleration process. During the acceleration process, comprehensive considering vehicle dynamics and fuel consumption, a new index is proposed. This index can be adjusted by drivers according to their power demands, and is used to...
An obstacles detection method based on the date clustering and information fusion of millimetre-wave radar and the camera in real traffic scenarios is proposed in this paper. The ROI (region of interest) established from millimetre-wave radar through data processing can be transformed into the image coordinate by multiplying perspective transform matrix derived from the co-calibration between millimetre-wave...
Battery packs comprising of assembly of batteries also known as the battery management system is considered as heart of the electric vehicle system. The present work will conduct the detailed survey on the two aspects of battery management systems such as the control by battery modelling and Mechanical designs. The findings reported that a considerable and significant research in battery modelling...
In a platoon control system, fixed and symmetrical topology is quite rare because of adverse communication environments and continuously moving vehicles. This paper presents a structurally decomposed control method for vehicular platoon systems by combining the LMI (Linear Matrix Inequality) approach to handle uncertain interaction topologies. This approach allows the nodes to interact with either...
A new collision avoidance strategy for an autonomous emergency braking system is proposed in this paper. The risk assessment model on the emergency braking behavior of driver in real traffic scenarios is developed. A collision avoidance strategy with two levels of warning and two levels of braking intensity is proposed according to the driver response, decision and operation time. Simulation model...
Due to very few actual crashes occurring and the deviation of the collision and environment information between the fact and post processing,the use of surrogate events like noncrash Crash Relevant Events(CREs)found in Naturalistic Driving Studies (NDS) or Field Operational Tests (FOT) is usually motivated by referring to some version of Heinrich's classical triangle to find a faster way to learn...
The identification strategies of driver behaviour characteristics based on the bionic intelligent algorithms are introduced in this paper. First, a driver behaviour data acquisition system is established based on the dSPACE simulation platform. Then, in order to recognize the characteristics of driver behaviour, the preview optimal curvature model is chosen as the ideal driver behaviour model. This...
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