A model-based study is carried out to optimize the energy conversion performance of a free-piston linear engine (FPLE) based on its design parameters. The FPLE is modeled by dynamic, linear alternator, and thermodynamic models. Besides, a …

Mechanical characteristics of self-supporting run-flat tires (SSRFT), the most widely used type, are important factors affecting the vehicle's stability, safety, and zero-pressure driving ability. This paper takes 225/50RF17 98W SSRFT as the …

This study investigates the effect of nano-additives, such as aluminum nitrate (Al(NO3)3) and graphene oxide nanoplate (GONP), on the performance and emissions of a common rail direct injection (CRDI) diesel engine at maximum load. It also …

In this study, a cooling structure is designed that can improve the cooling efficiency of an air-cooled battery pack, which is an important component of hybrid electric vehicle powertrains. U-type air-cooled battery packs, which represent the most …

Recently, as the development of high-performance electric vehicles is actively progressing, there is a strong demand for abnormality detection technology of high-speed bearings installed in drive systems. In this study, abnormal modes were …

This paper is focused on analyzing the stress and strength of a heavy truck drive axle housing. The analysis is conducted using mechanical principles, and four typical working conditions are taken into consideration. A three-dimensional model of …

This study examines the coolant and heat flows in electric vehicle (EV) battery pack that employs a thermal interface material (TIM). The overall temperature distribution of the battery pack that consists of many battery modules is precomputed …

The sideslip angle is an important parameter for vehicle stability control, but the acquisition of the sideslip angle requires expensive experimental equipment, which is not suitable for ordinary passenger vehicles. Therefore, the sideslip angle …

The paper presents a model predictive control (MPC) energy prediction control function simulation environment using virtual controller technology. The MPC energy prediction function is a fuel economy improvement function applied to the hybrid …

Aiming at the problem of low accuracy and poor stability of trajectory planning and tracking control in the field of intelligent driving technology, this paper proposes an intelligent vehicle trajectory planning and tracking control method based …

Fuel economy labeling serves a market-driven system that provides consumers with essential information to encourage the purchase and development of highly efficient vehicles. Since 2012, Korea has utilized derived 5-cycle equations, modeled after …

Lane keeping with cooperative control strategy and conflict reduction between human drivers and intelligent driving controller are the key problems in the lane departure prevention (LDP) system. To address these issues, this paper proposes an …

There are strict constraints of vehicle location and running time in trajectory tracking. When a self-driving vehicle with a two-dimensional tracking strategy drives on ramps, the demand trajectory will be lengthened due to the existence of road …

Connected automated vehicle (CAV) platooning transforms intelligent transportation systems but faces challenges in formation changes, including collision avoidance and external traffic interference. We propose a two-stage framework to address …

Due to the excessively high lateral stiffness of honeycomb NPTs, which contradicted vehicle handling stability requirements, and the importance of radial stiffness for maintaining load-bearing capacity, coordinated optimization was necessary. This …

Pedestrians and two-wheeled cyclists are referred to as vulnerable road users (VRUs). The active braking system can prevent collisions between vehicles and VRUs. Currently, the research on the active braking strategy mainly focuses on the safety …

Diesel engine emission regulations are becoming stringent regarding nitrogen oxide (NOX) limits. The challenge is to improve the NOX conversion efficiency of the after treatment system under low temperatures. Although the two-stage selective …

Estimation of the coefficient of adhesion for pavement conditions with different material properties is a difficult engineering problem. The study proposes a tripartite fusion estimation technology framework based on vision, pavement unevenness …

In the pursuit of an ergonomic gear indicator design for dial-type gearshifts, this study conducted a survey to comparatively evaluate eight different gear indicator layout-design alternatives that were derived by combining two gear-position …

Mining area operations involving heavy-duty trucks often require precise parking in loading and unloading areas and navigation between these locations. This paper presents a planning and control framework specifically designed for maneuvering …