International Journal of Automotive Technology

ARTICLE Analysis of Power Consumption on BOP System in a Fuel Cell Electric Bus According to the Fuel Cell Load Range
The proton exchange membrane fuel cell (PEMFC) in a fuel cell electric bus (FCEB) converts hydrogen's chemical energy into electrical energy. The fuel cell system comprises a fuel cell stack and a balance of plant (BOP) system, which efficiently controls the stack. Fuel cell and...

ARTICLE Effects of Mechanical Injector Replacement on Spray and Combustion Characteristics in an Agriculture Diesel Engine
The objective of this study was to analyze through spray and engine experiments the effects of replacing mechanical injectors. The spray characteristics of the mechanical injectors of a used diesel engine and those of new mechanical injectors of the same model were compared. The...

ARTICLE Optimizing Lightweight and Rollover Safety of Bus Superstructure with Multi-Objective Evolutionary Algorithm
This paper aims to study an optimization method for the lightweight design of bus superstructure. According to the requirements of ECE R66, the bus rollover finite element model has been developed, and the bus rollover process has been simulated and validated by experimental tes...

ARTICLE DE-NOx/CO Performance According to Ag Loading Amount and Support Type of H2-SCR
This study aims to investigate the NOx/CO reduction characteristics of harmful gases according to the loading amount of active Ag, which plays the most important role in H2-SCR, and the type of support. H2-SCR with Ag loaded on support of TiO2 was reduced to Ag+ at about 140 °C ...

ARTICLE The Effect of Water Injection on a Naturally Aspirated Spark-Ignited Engine
Water injection (WI) is a well-known technique to mitigate knocking phenomena, reducing the in-cylinder gas temperature with a high heat of vaporization and specific heat of water. In this study, the effect of WI directly into the cylinder on fuel efficiency was investigated usi...

ARTICLE Dimensional Analysis of Ground Vehicle in Extreme Maneuver Scenarios
This research proposes a parameter scaling method for dimensional analysis in extreme maneuver scenarios. Scaled vehicle experiments using dimensional analysis offer advantages in terms of test location, driver safety, and cost savings. Previous studies have overlooked the nonli...

ARTICLE The Adverse Effect and Control of Semi-active Inertial Suspension of Hub Motor Driven Vehicles
Recently, hub motor driven vehicles (HMDV) have been recognized as the ideal configuration of electric vehicles in the future. However, the adverse effect of its special structure configuration seriously affects the vehicles dynamic performance, and becomes the bottleneck of its...

ARTICLE Analysis of Steering Performance for Wheel-Track Composite Vehicle Based on New Differential Steering Mechanism
To solve the complicated steering control of small vehicles in the agriculture and difficult steering on complex roads, this study designed a wheel-track composite vehicle. The vehicle incorporated a novel power differential steering mechanism with dual driving, enabling steerin...

ARTICLE Modeling and Load Emulation Experimental Verification of a Vehicle Powertrain System Test Bench Based on Rigid-Flexible Coupling Transmission Shaft
A long rigid-flexible coupling transmission shaft (RFCTS) is usually used to connect the dynamometer with the device under test (DUT) in semi-anechoic chamber. However, due to the parameter error and torsional vibration characteristic of RFCTS, load emulation loading accuracy of...

ARTICLE Simulation Study on the Impact of Injection Strategies on the Performance of Methanol–Gasoline Dual-Fuel Engines
Methanol is favored for its excellent physicochemical properties, becoming an ideal alternative fuel for engines. Adopting a dual-fuel injection mode of methanol port injection and gasoline direct injection (MPI + GDI) allows for more flexible injection strategies, enhancing ...

ARTICLE Local Planning Strategy Based on Deep Reinforcement Learning Over Estimation Suppression
Local planning is a critical and difficult task for intelligent vehicles in dynamic transportation environments. In this paper, a new method Suppress Q Deep Q Network (SQDQN) combining traditional deep reinforcement learning Deep Q Network (DQN) with information entropy is propo...

ARTICLE Multi-objective Optimization and Performance Analysis of Dual-Rotor Hub Motor Based on Comprehensive Sensitivity Stratification
To solve the shortcomings of the existing hub motors in the practical application of electric vehicles, an integrated dual-rotor hub motor (DRHM) was proposed, which can realize multiple drive modes to adapt to the vehicle's variable driving conditions. Aiming at the complex str...

ARTICLE Parallel Parking Path Planning and Tracking Control Based on Simulated Annealing Algorithm
To address the issues of curvature discontinuity and terminal tire non-return in the parallel parking of autonomous vehicles, a novel parallel parking path planning method based on the combination of the quintic polynomial curve and an improved sigmoid function was proposed. Fir...

ARTICLE Research and Implementation of an Embedded Traffic Sign Detection Model Using Improved YOLOV5
This study proposes an embedded traffic sign detection system, YOLOV5-MCBS, based on an enhanced YOLOv5 algorithm. This system aims to mitigate the impact of traditional target detection algorithms’ high computational complexity and low detection accuracy on traffic sign detect...

ARTICLE Experimental Study on the Diesel Injection Pressure of Homogeneous Charge Induced Ignition for Multi-cylinder Operation
Homogeneous charge-induced ignition (HCII), which uses trace diesel to induce the ignition of gasoline pre-mixture, is characterized by rapid lean combustion and is generally regarded as efficient, clean and controllable. In this paper, a conventional diesel engine has been modi...

ARTICLE Aerodynamic Design and Performance Research of Racing Cars with Adaptive Control of Attitude
Aerodynamic forces acting on a racing car will impact its handling, stability, and steering characteristics. Oversteering typically occurs in racing cars with a significant front-end downforce. In the process of racing, the car’s attitude will change, causing a shift in the dis...

ARTICLE Optimal Gear Shift Control of Two-Speed Dual-Clutch Transmission in Electric Vehicle for Smoothness and Friction Loss Reduction
An optimal shift control strategy for electric vehicles with the two-speed dual-clutch transmission is proposed to reduce the vehicle jerk and friction work during gear shift. The dynamic model of the powertrain considering the stick–slip friction of clutch is built. The develo...

ARTICLE Research of Hood on Maintaining Performance Balance Between Dent Resistance and Pedestrian Head Protection
In the developmental phase of passenger automobile hoods, it is crucial to take dent resistance and pedestrian head protection performances into account. And maintaining a performance balance between the two aspects has proven challenging. With few studies on how to effectively ...

ARTICLE Enhancing Connected Autonomous Vehicle Formations: Discrete–Offline–Online Three-Layer Architecture for Platoon Reconfiguration
The formation transformation in intelligent connected autonomous vehicles (CAVs) enhances platoon versatility and significantly improves traffic efficiency. Current formation control strategies for CAV platoons often focus on fixed formation scenarios. This paper proposes a thre...

ARTICLE Comparison of Tire Rolling Resistance Measuring Methods for Different Surfaces
The rolling resistance of car tires is one of the most important parameters characterizing tires today. This resistance has a very significant contribution to the energy consumption of wheeled vehicles. The climate crisis has forced tire and car manufacturers to place great emph...

Current Issue

Volume 25(4); August 2024

Volume 25(3); June 2024

Volume 25(2); April 2024

Volume 25(1); February 2024

Volume 24(6); December 2023

Current Issue: Volume 25(4); Aug 2024

Engine and Emissions

SIMULATION STUDY ON THERMAL MANAGEMENT STRATEGY TO ACHIEVE 99 % SCR EFFICIENCY OF A HEAVY-DUTY DIESEL ENGINE OVER A TRANSIENT CYCLE ( 24987 times )

Tae Joong Wang, Jung Ho Kim

Int J Automot Technol. 2018;19(4):597-603. DOI: https://doi.org/10.1007/s12239-018-0056-6

Cited By 7

Fuel Cell, Hybrid and Electrical Vehicle

HYDRAULIC CONTROL SYSTEM DESIGN FOR A PHEV CONSIDERING MOTOR THERMAL MANAGEMENT ( 18864 times )

Jingyu Choi, Kyunggook Bae, Junbeom Wi, Sunghyun Ahn, Hyunsoo Kim

Int J Automot Technol. 2018;19(1):147-157. DOI: https://doi.org/10.1007/s12239-018-0014-3

Cited By 5

Automobile Chassis & Vehicle Dynamic

TRANSIENT DYNAMIC CHARACTERISTICS OF A NON-PNEUMATIC MECHANICAL ELASTIC WHEEL ROLLING OVER A DITCH ( 15326 times )

You-Qun Zhao, Yao-Ji Deng, Fen Lin, Ming-Min Zhu, Zhen Xiao

Int J Automot Technol. 2018;19(3):499-508. DOI: https://doi.org/10.1007/s12239-018-0048-6

Cited By 24

Automobile Body and Safety

DESIGN OPTIMIZATION OF THE COWL CROSS BAR - LIGHT COWL CROSS BAR SATISFYING 5 PERFORMANCES - ( 15294 times )

Byung Seok Kong, Dong Kyou Park

Int J Automot Technol. 2018;19(3):387-391. DOI: https://doi.org/10.1007/s12239-018-0037-9

Cited By 14

Automobile Chassis & Vehicle Dynamic

DEVELOPMENT OF THE LANE KEEPING CONTROL SYSTEM USING STATE-VARYING SURFACE FOR VULNERABLE ROAD USERS ( 15167 times )

Taewan Kang, Dooyong Kim, Minwoo Soh, Hyeongjun Jang, Hwan Seong Jo, Kihong Park

Int J Automot Technol. 2018;19(3):489-498. DOI: https://doi.org/10.1007/s12239-018-0047-7

Cited By 2

Engine, Emission Technology

EXPERIMENTAL INVESTIGATION OF IMPACTS OF INJECTION TIMING AND PRESSURE ON COMBUSTION AND PARTICULATE MATTER EMISSION IN A SPRAY-GUIDED GDI ENGINE ( 15083 times )

Miaomiao Zhang, Wei Hong, Fangxi Xie, Yan Su, Liwei Han, Bin Wu

Int J Automot Technol. 2018;19(3):393-404. DOI: https://doi.org/10.1007/s12239-018-0038-8

Cited By 11

Automobile Chassis & Vehicle Dynamic

WET SINGLE CLUTCH ENGAGEMENT BEHAVIORS IN THE DUAL-CLUTCH TRANSMISSION SYSTEM ( 15037 times )

Jaecheol Cho, Yongseok Lee, Woojung Kim, Siyoul Jang

Int J Automot Technol. 2018;19(3):463-472. DOI: https://doi.org/10.1007/s12239-018-0045-9

Cited By 22

Automobile Chassis & Vehicle Dynamic

SLOPE SHIFT STRATEGY FOR AUTOMATIC TRANSMISSION VEHICLES BASED ON THE ROAD GRADIENT ( 15028 times )

Fanjing Meng, Hui Jin

Int J Automot Technol. 2018;19(3):509-521. DOI: https://doi.org/10.1007/s12239-018-0049-5

Cited By 17

Engine, Emission Technology

ITERATIVE LEARNING CONTROL ALGORITHM FOR FEEDFORWARD CONTROLLER OF EGR AND VGT SYSTEMS IN A CRDI DIESEL ENGINE ( 14922 times )

Kyunghan Min, Myoungho Sunwoo, Manbae Han

Int J Automot Technol. 2018;19(3):433-442. DOI: https://doi.org/10.1007/s12239-018-0042-z

Cited By 2

Automobile Body and Safety

DEVELOPMENT OF HEADFORM IMPACTOR FINITE ELEMENT MODEL CONSIDERING THE HYPERELASTIC AND VISCOELASTIC RESPONSES OF RUBBER ( 14812 times )

Choong-Ryung Lee, Hyun-Yong Jeong

Int J Automot Technol. 2018;19(3):523-534. DOI: https://doi.org/10.1007/s12239-018-0050-z

Cited By 6