State of charge (SOC) is one of the most significant parameters in the battery management system (BMS).
Accurate estimate of the SOC can prevent the battery overcharge and over-discharge, which can effectively increase the life
of the Lithium-ion battery and improve the safety...
An analytical model configuration, in addition to air pressure analysis and post-processing, was conducted to
measure the interior wind noise by changing the exterior vehicular design. Although wind noise can be calculated accurately
through the current process, it requires th...
This study aims at the automatic understanding of pedestrians’ car-hailing intention in traffic scenes. Traffic
scenes are highly complex, with a completely random spatial distribution of pedestrians. Different pedestrians use different
behavior to express car-hailing intenti...
In this study, the effect of discrimination threshold on velocity variation is investigated, and a self-tuning
algorithm for velocity variation is proposed to improve the accuracy of an advanced automatic crash notification (AACN)
system. First, after determining the factors a...
The pulley ratio of continuously variable transmission (CVT) is one of the most important factors in the
quality evaluation for shift smoothness and response. The numerical model with pulley ratio map has been widely used for
shift control. It has been obtained with the experi...
On a single-cylinder gasoline engine test bench, the experimental study of the effects of polishing the combustion
chamber wall and piston top surface on the indicated thermal efficiency and combustion characteristics were carried out, and
the mutual influence of combustion ph...
In this paper the dynamical analysis of a vehicle to trailer connection during braking is presented. At first both
the vehicles, motor vehicle and trailer are analysed as a separate vehicles, driving with same starting velocity and same braking
force applied but no connection ...
To overcome the difficulty of real-time optimization during shifting process for dual clutch transmission, a
clutch optimal torque prediction method based on Support Vector Regression is proposed. Firstly, a shifting dynamic model
of dual clutch transmission system is establis...
To meet increasingly stringent emission regulations, diesel engines must be equipped with DOC, DPF and
SCR. Five performance parameters including system back pressure, HC conversion efficiency, conversion efficiency of NO
to NO2, passive regeneration rate, and conversion effic...
Friction has been a significant research concern for decades. Most of the energy input into an internal
combustion (IC) engine is wasted because it is used to overcome friction. Scientific developments have been made to reduce
friction, including surface coatings and surface t...
This paper aims for generating an equivalent load signal for the durability analysis of a heavy-duty vehicle
using a signal processing technique. Durability analysis is an essential part in the early stages of development. For a reliable
durability assessment, an equivalent lo...
The purpose of this study was to investigate the squeal noise characteristics of a brake system equipped with a
flexible pad of a high-speed railway. First, through the dynamometer experiment, the dominant squeal noise frequencies were
identified and the relevant frequency ran...
To further enhance the role of connected vehicles with the Human-Machine Interface (HMI) in helping drivers
in foggy weather, it is meaningful to optimize the HMI based on the driver’s needs. In order to explore the method of HMI
optimization, this paper builds a driving simu...
Accurate short-term traffic state prediction is a crucial requisite for control and guidance of traffic flow in the
intelligent traffic system, which has attracted increasing attention in the transportation field recently. This paper tests the
optimization performances of two ...
This paper deals with noise and vibration problems in electric power steering systems used in modern
automotive platforms. Various types of commonly used power steering systems are presented. The noise and vibration
performance of new EPS designs can have a significant impact ...
This paper reviews fault diagnosis and tolerant techniques for improving reliability of automotive motor
control systems which consist of an inverter, permanent magnet synchronous motor and sensors. In order to improve
reliability of system, the fault diagnosis is the first st...
The flow and cavitation in the flow passage of the control valve are calculated, and the effects of operating
conditions (including injection pulse width, rail pressure and ball valve lift) on the flow and cavitation characteristics are
analyzed under dynamic boundary conditio...
This paper studied the effects of water injection on combustion, emissions and knock. The results showed that
direct water injection (DWI) absorbed more heat than inlet port water injection (PWI), resulting in lower cylinder pressure,
higher oxygen content and longer combustio...
Use of an Automated Driving System is expected to improve traffic safety by protecting drivers from drowsy
driving. Previous studies on the use of Automated Driving Systems mainly focused on detecting a driver’s level of drowsiness
and protecting drivers from accidents by per...
This paper presents a model predictive trajectory optimization and tracking framework to avoid collisions for
autonomous vehicles in highly constrained environments. Firstly, a vehicle model is established in road coordinate system to
describe the relationship between the vehi...
Directional performance and highway stability are two important aspects that need to be considered in
development and design of a heavy articulated vehicles. To improve the maneuverability and stability of a multi-trailer
articulated heavy vehicle (MTAHV), an active linear qua...
Work presented in this article concerns an industrial example of a mass optimization problem, performed on
automotive suspension components. Due to the fact, that the considered element, i.e. spring seat is a part of the vehicle
suspension module, analyses are performed on the...
As an effective reinforcement learning (RL) algorithm, Q-learning has been applied to energy management
strategy of hybrid electric vehicle (HEV) in recent years. In the existing literatures, the values of three hyperparameters based
on Q-learning are all given in advance, wh...
Given the vehicle speed during actual driving, it is possible to apply an advanced energy management strategy
for achieving better efficiency and less emission. We conducted a study to predict the future speed while driving of city buses,
where only a few bus driving data and ...
This study investigated the combustion characteristics by changing the operating parameters and piston bowl
geometries in diesel/gasoline dual-fuel combustion. The experiment was conducted in a light-duty single cylinder diesel
engine satisfying the EURO-6 regulation adapted f...
