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ARTICLE
Effects of Varying Equivalence Ratios on the Combustion Efficiency Characteristic of a Dual-fuel Compression Ignition Engine by Changing Intake Pressures and Exhaust Gas Recirculation Rates
In general, a leaner mixture condition improves combustion effi ciency in compression ignition (CI) combustion using diesel. However, in the case of leaner air–fuel mixture conditions, it disturbs fl ame propagation in spark ignition combustion using gasoline, i.e., low react...
ARTICLE
Local Disturbance Cooperative Control of Heterogeneous Vehicle Platoon Based on Situation Assessment
In the longitudinal driving of a heterogeneous platoon, external disturbances of local vehicles can cause safety problems of the intended functionality. Therefore, a cooperative control method based on situation assessment is proposed. First, the minimum safe distance is deter...
ARTICLE
Novel Electric Vehicle Powertrain of Multi-Stack Fuel Cell Using Optimal Energy Management Strategy
Fuel Cell Electric Vehicle (FCEV) powertrain layouts and control strategies have historically overlooked the asymmetric energy storage eff ect, despite its signifi cant impact on system effi ciency. In this study, we propose a novel FCEV powertrain layout using dual fuel cells...
ARTICLE
Fractional order complementary non-singular terminal sliding mode control of PMSM based on neural network
Aiming at the sensitivity problems of uncertain factors such as parameter variation, external disturbance and friction for the permanent magnet synchronous motor control system of electric vehicle, a fractional order complementary non-singular terminal sliding mode control me...
ARTICLE
EFFECT OF PISTON PROFILE ON PISTON MOTION AND LINER BORE POLISHING
One of the popular development trends in diesel engine piston assembly is higher reliability and life of components. These can be ensured by actual engine testing and comparing the appearance of piston assembly. However, testing multiple iterations involves signifi cant cost a...
ARTICLE
Influence of Spoke Parameters on Load Capacity of Non-Pneumatic Tires Using Orthogonal Study and Analysis of Variance
This study aims to investigate the relationship between the static characteristics of non-pneumatic tires (NPTs) and spoke design parameters using the fi nite element (FE) method. A three-dimensional FE model of the NPT was established. The infl uence of diff erent ranges of s...
ARTICLE
Internal Model-Based Robust Path-Following Control for Autonomous Vehicles
The paper presents a new internal model control (IMC) based control technique for lateral trajectory tracking of autonomous vehicles. The controller’s proposed structure employs a robust, fault-tolerant nonlinear internal servo control with optimal reference generation concer...
ARTICLE
AEB Simulation Method Based on Vehicle Test Data for Accident Analysis of ADAS Vehicles
The use of vehicles equipped with autonomous emergency braking (AEB), among the most widely employed functions of the advanced driver assistance system (ADAS), is rising, and thus so is demand for analytical services for accident investigation related to AEB issues. In fact, e...
ARTICLE
Effect of Rim and Web Thickness on Tooth Root Stress of Spur Gear
This study investigated the impact of spur gear rim and web thickness on root stress. A fi nite-element analysis model (FEM) was utilized and validated through a gear-bending test. Four gears with diff erent rim and web specifi cations, including a solid gear, were designed an...
ARTICLE
Development of System Characteristic Optimization Method to Achieve Vehicle Target Performance
The application of ‘Target Cascading’ in the product development process is well known to be eff ective in various industry fi elds, and it is a methodology that is already actively applied in various forms in the fi eld of vehicle Ride & Handling (R&H) performance developm...
ARTICLE
An Economical Velocity Planning Algorithm for Intelligent Connected Electric Vehicles Based on Real-Time Traffic Information
The energy effi ciency of intelligent networked connected electric vehicle (EV) is directly related to its velocity. Aiming at the infl uence of real-time traffi c fl ow information on road speed interval, a two-layer speed planning method is proposed. The upper layer extracts...
ARTICLE
Experimental Research on the Carbon Dioxides Reduction Potential by Substitution Gasoline with Ethanol and Propane under Reactivity Controlled Compression Ignition in a Single Cylinder Engine
In this experiment, it was experimentally investigated the combustion and exhaust characteristics, as well as the thermal effi ciency, of RCCI combustion using gasoline, ethanol, and propane as low-reactivity fuels under four operating conditions. For each operating condition,...
ARTICLE
A Lidar-Based Parking Slots Detection System
To improve the robustness and eff ectiveness for detecting free parking spaces, we propose a LiDAR-based parking sensing system, which contains multi-modules, i.e., perception, free space parking lots’ construction, parking space tracking and obstacle detection. Comprehensive...
ARTICLE
A State Detection Method of Induction Motor Based on PSO-BS-SMO
In order to improve the performance of sliding mode observer in detecting the state of induction motor, a state detection method based on particle swarm optimization (PSO)-backstepping (BS)-sliding mode observer (SMO) is proposed in this paper. In this method, the controller i...
ARTICLE
Integrated Control of Three-Axle Vehicles to Improve the Lateral Dynamics on Slippery Road
To improve the handling and directional stability of three-axle heavy vehicles, this paper suggests a control strategy that combines direct yaw moment control (DYC) and active front steering (AFS). The control system's structure is divided into three main layers. Based on an o...
ARTICLE
A Cost Eff ective Solution to an Automated Valet Parking System
Automated Valet Parking Systems (AVPS) relieve the driver of the entire parking process. Many of the systems known today rely on a combination of automotive sensors with sensors of the infrastructure. For this purpose, parking facilities are equipped with comprehensive sensor ...
ARTICLE
A Motion Decoupling Control Based on Differential Geometry for Distributed Drive Articulated Heavy Vehicle
A vehicle system motion decoupling control method was proposed to address challenges in controlling articulated heavy vehicles (AHVs). The method, based on diff erential geometry theory, focused on distributed electric drive AHVs. Its objective was to separate the highly nonli...
ARTICLE
Speed-varying path tracking based on model predictive control for autonomous vehicles
In order to improve autonomous vehicles path-tracking accuracy and stability, a lateral–longitudinal coordination pathtracking control method is proposed. The proposed coordination control consists of path-tracking control and speed tracking control. First, the desired safety...
ARTICLE
Development of Indoor Wear Test Method for Passenger Car Tires Refl ecting Road Driving Conditions
This study presents a method for developing a tire indoor wear test mode that refl ects road driving conditions using a Flattrac. Using a machine learning model, the slip angle, slip ratio, longitudinal force, and lateral force change according to vehicle speed and acceleratio...
ARTICLE
Electric Vehicle Architecture Design Based on Database
The purpose of this study is to extend the mileage by improving the effi ciency of the electric vehicle (EV) driving and thermal management system (TMS). The powertrain system and the TMS must be considered simultaneously from the architecture stage as complementary systems to...
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