In this study, RANS-based numerical analyses were performed for four flow paths located at the top of the operating section with groove (R) and diameter (D) geometry modifications to analyze the compressible turbulent flow characteristics and the …
Body and Safety, Chassis, Heat Transfer, Fluid and Thermal Engineering, Manufacturing, Noise, Vibration and Harshness, Transmission and Driveline, Vehicle Dynamics and Control
This study provides foundational research for the domestic development of hydrogen refueling station components by conducting coupled fluid–structure interaction analysis and experiments to evaluate the structural safety of existing hydrogen …
Cooling jackets are crucial components in electric vehicles, helping to regulate the temperature of inverters, which are crucial for managing electrical energy. In this research study, the design of cooling jackets with wavy fins was investigated …
Chassis, Electrical and Electronics, Vehicle Dynamics and Control
As an optimal control method, Pontryagin’s minimum principle (PMP) can be applied to optimize the speed of battery electric vehicles (BEVs) to reduce energy consumption. However, the necessary conditions of PMP can only provide candidates for a …
Vehicle Dynamics and Control, Other Fields of Automotive Engineering
Currently, fault detection in vehicles is implemented as self-diagnosis of subsystems in Electronic Control Units (ECUs) using Diagnostic Trouble Codes (DTCs). Recently, with the advancement of technologies such as autonomous driving, automobile …
Chassis, Electric, Fuel Cell, and Hybrid Vehicle, Engine and Emissions, Human Factors and Ergonomics, Noise, Vibration and Harshness, Vehicle Dynamics and Control
For an in-vehicle active noise control (ANC) system, the reduction target is around the human ear. But the ear position will change when a driver alternate his sitting position, talk to the passengers, etc. These changes obviously affect the …
This research introduces a methodology for classifying the economic efficiency of driving behavior by employing dynamic thresholds and utilizing real-world vehicle operation data. Initially, the real-world vehicle data are divided into short trips …
In this paper, we introduce the Ground Plane Estimation and Navigation System (GPENS) designed for autonomous mining trucks operating in unstructured environments. GPENS employs an efficient method for modeling unstructured terrain, which enhances …
Engine and Emissions, Fuels and Lubricants, Heat Transfer, Fluid and Thermal Engineering
This article describes the dangers resulting from the formation of coke deposits of DISI (Direct Injection Spark Ignition) engine injectors. It was indicated here on the deterioration of the quality of the combustion mixture in the engine …
Electric, Fuel Cell, and Hybrid Vehicle, Engine and Emissions, Fuels and Lubricants, Heat Transfer, Fluid and Thermal Engineering
A hydraulic variable valve mechanism based on four-cylinder gasoline engine is developed independently, which can realize continuous variable valve lift and closing time. From the perspective of the average turbulent kinetic energy in the …
Body and Safety, Chassis, Heat Transfer, Fluid and Thermal Engineering, Manufacturing, Noise, Vibration and Harshness, Transmission and Driveline, Vehicle Dynamics and Control
Electro-mechanical brake (EMB) has the characteristics of rapid braking response and precise adjustment for braking torque, it can provide an ideal brake actuator for the uncoupled regenerative braking system of new energy vehicles and active …
Vehicle energy consumption is affected by multiple factors, such as environmental conditions and operational characteristics. This study provides a comprehensive analysis of the energy consumption of internal combustion engine vehicles (ICEVs) and …
Following behavior is an indispensable part of vehicle driving, and the following behavior under visual and cognitive distraction has become one of the main causes of traffic accidents. The urban, rural, and expressway scenarios were constructed …
Connected Automated Vehicles and ITS, Vehicle Dynamics and Control
This paper investigates the privacy-preserving cooperative control problem for heterogeneous vehicle platoon systems (VPSs) subject to deception attacks. First, based on the predictive spacing strategy, the vehicle platoon problem is transformed …
Connected Automated Vehicles and ITS, Electric, Fuel Cell, and Hybrid Vehicle, Vehicle Dynamics and Control
To address the issues of speed planning and driving condition adaptability in the platoon operation of plug-in hybrid electric vehicles (PHEVs), a hierarchical control strategy for platooning based on multi-information-fused speed prediction is …
This study introduces an innovative framework aimed at minimizing performance deviations in complex vehicle door systems by leveraging the principles of axiomatic design and virtual manufacturing big data. Utilizing the independence axiom of …
Connected Automated Vehicles and ITS, Vision and Sensors
This study explores human–machine collaborative planning and tracking control methods for autonomous vehicles. The proposed approach is based on an improved Fastformer GAN (FGAN) algorithm and a risk assessment mechanism for driver behavior.
Electric, Fuel Cell, and Hybrid Vehicle, Fuels and Lubricants, Heat Transfer, Fluid and Thermal Engineering, Vision and Sensors
This study provides an in-depth analysis of how battery thermal management and energy consumption in an electric vehicle are influenced by different driving modes and ambient temperatures. It highlights the important role of the battery thermal …
Connected Automated Vehicles and ITS, Electric, Fuel Cell, and Hybrid Vehicle, Vehicle Dynamics and Control
Fuel efficiency enhancement in plug-in hybrid electric vehicles (PHEVs) is intricately linked to battery usage efficiency and distinct driving conditions. Aiming at a multi-gear and multi-mode parallel PHEV, this study proposes an adaptive energy …
GHP, fueled by natural gas, emits pollutants such as CO, NOx, and THC. For this reason, regulations on CH4-GHP have been implemented in Korea, and as the need for installing emission reduction devices on existing CH4-GHP units increases …
