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International Journal of Automotive Engineering
Scopus
ISSN 2185-0992 · Society of Automotive Engineers of Japan, Inc. · 374 artikel di indeks
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Artikel Jurnal
Method for Determining the Occurrence of Abnormal Shut-Off during Automobile Refueling
Preventing abnormal shut-off before the completion of refueling is essential to minimizing vapor emissions from fuel tanks into the atmosphere. Previous investigations of abnormal shut-off during refueling have primarily relied on CFD analysis of fuel tank systems. However, there has been limited…
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Method of Improving Machine Learning Model for Speed Decision on Community Roads by Extracting Potentially Dangerous Spots
Since traffic accidents on Japanese community roads are one of unsolved problems, we focus on a speed decision machine learning model (SDMLM) targeting community roads. On community roads, occlusions caused by housing walls make invisible risks of collisions at some spots, which we call…
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Analytical Planning of Coupled Path and Speed for Lane Changes on Straight Roads with Ride Comfort Considerations
To ensure reliability and comfort in autonomous driving systems, vehicle motion must feel natural to occupants. Emulating strategies used by skilled drivers—such as coupling longitudinal (speed) and lateral (path) control—can enhance perceived trust and comfort. Building on this idea, we have…
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How Does the Pre-crash Environment Affect Injury Risk? Injury Prediction and Analysis Based on Graph Neural Network
Injury severity in vehicle crashes is influenced by various factors within the pre-crash environment, including the environment, vehicle, driver, and other attributes. To investigate the relationships among these factors and identify the key determinants of injury outcomes, this study employed a…
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The Phenomenological Oxide Film Formation Model in Rh Type Three-way Catalysts
Clarifying TWC purification mechanism and developing predictive models are crucial for future hybrid powertrains with spark ignition engines in passenger vehicles. By using a detailed surface reaction model CO oxidation reaction on Rh surface was simulated. Adding the phenomenological reactions…
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Experimental Studies on Oxidation and Reduction Phenomena Occurring on the Surface of Active Noble Metals in Three-Way Catalysts
The full-hybrid system with a spark ignition engine is essential for the future powertrain systems in passenger cars. The effect of surface condition after exposure in aboundant O2 srrundings encounted during engine stop on the purification performance of Rhodium(Rh), which is one of the highest…
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Aerodynamic Performance Enhancement of an Automobile Through Utilization of Cooling Ventilation
Reducing aerodynamic drag is crucial to improve the efficiency of vehicles. In this study, the feasibility of releasing the cooling flow into wake region to enhance automobile’s aerodynamic drag performance was investigated. A realistic general vehicle model for aerodynamic study was used as an…
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Artikel Jurnal
Seamless Connectivity on the Move: Analyzing Mobile Network Handover in Connected Cars
This study explores the impact of frequent handovers on connected car communication, focusing on high-speed environments like highways. Data from Tokyo highways show significant latency spikes and packet loss during handovers, degrading real-time applications. While Multi-access Edge Computing…
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Intuitive Human-Machine Interface using Tactile Apparent Motion for Situation Awareness in Intersection Crossing by Electric Wheelchair
In an aging society, electric wheelchairs have become indispensable assistive devices for older adults with physical limitations, helping them maintain and improve their quality of life by enabling activities such as shopping, visiting hospitals, and participating in the local community. This study…
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Construction of Accident Risk Assessment Method for Road Alignment Using Digital Road Map
In this study, an accident risk evaluation method for curves with a curvature radius of 50 m or more was developed using Digital Road Map, which provide information on the road alignment except for cross-fall of road. The analysis was conducted on national and prefectural roads around Suwa City and…
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Advancement in Modular Design of Battery Pack for Electric Vehicles: A Compressive Review
Electric vehicles (EVs) have undergone a significant transformation recently in an effort to get greater attention from the global automotive industry. Battery packs are considered as the key components that govern the performance, range, and cost of EVs. Thus, creating and designing battery packs…
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Designing a Combination Model of Charger and Battery for Small Electric Vehicles
In developing countries, small electric vehicles (SEVs) offer a promising solution for crowded cities by helping to solve traffic problems. One of the most critical challenges in the deployment of SEVs is the charging infrastructure, which involves both topology and technology considerations. This…
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Design and Implementation of a Modular ROS 2 Framework Integrating Advanced Driver Assistance Capabilities for High-Fidelity Mahindra Thar Vehicle Simulation in Gazebo Classic
The integration of Advanced Driver Assistance Systems (ADAS) within modular robotic frameworks presents significant opportunities for scalable autonomous mobility research. This paper introduces a comprehensive ROS 2 Humble-based simulation framework for implementing and evaluating core ADAS…
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Numerical Study of a Massflow Leak Test Method in a High-Voltage Battery
One of the longest and most complex quality control procedures during high-voltage battery production is the leak test that must be performed on all batteries. The test consists of applying a controlled pressure variation inside the battery. To improve this process, a CFD model was developed, and…
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A Study on the Effects of Differences in Driver's Brain Activity on Curve Recognition and Driving Performance
This study focused on the driver's brain activity in the prediction phase, which is the stage before recognition, and analyzed the effects of superior or inferior brain activity on recognition and driving performance on curved roads through a driving simulator experiment. A circuit course was set…
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Position Estimation and Prediction of Surrounding Traffic Participants Observed by Vehicle with Self-localization Uncertainty for Cooperative Safety
In Japan, the prevention of traffic accidents on community roads, which frequently have poor visibility at intersections, is an ongoing issue. As a solution to this issue, we focus on Vehicle-to-Network-to-Vehicle (V2N2V) safety systems, which use cellular networks and allow vehicles to share…
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Verification of Effectiveness of Traffic Management by CACC on Highway Merging Using Networked Driving Simulator with Ten Human Drivers
Personal mobility supports social participation and well-being, yet highway merging remains stressful and risky. Driving behavior is influenced by prediction errors between actual traffic and drivers' predictions. We hypothesized that designing traffic environments to improve driver prediction…
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Autonomous Selection of Li-ion Battery Degradation Models Using Capacity Retention Data via Parallel Scenario Computing
This study proposes a novel scheme for the simultaneous optimization of degradation parameters and the selection of degradation scenarios for Li-ion battery cells based on capacity retention data. The proposed method identifies the most probable degradation mechanisms through posterior probability…
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Development and Experimental Validation of a Blended Forward–Backward Dynamic Model for HEV Powertrain Energy Management
The progressive depletion of petroleum-based energy reserves, coupled with the intensifying threat of global climate change, has catalyzed an urgent global imperative to explore alternative energy sources to conventional fossil fuels. Although electric vehicles offer a promising solution by…
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Artikel Jurnal
Effect of Cycle-to-cycle Combustion Fluctuation on In-Cylinder and Exhaust THC Measured by Fast-FID in Super-Lean Burn Spark Ignition Engine
For further improvement of thermal efficiency in super-lean burn spark ignition (SI) engine by reducing unburned loss, it is important to clarify unburnt hydrocarbon emission mechanism. In this study, time-resolved total hydrocarbon (THC) mole fraction measurement by a fast response flame…