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ARTICLE
MECHANICAL PROPERTIES AND OPTIMIZATION ANALYSIS ON BATTERY BOX WITH HONEYCOMB SANDWICH COMPOSITE STRUCTURE
A honeycomb sandwich battery box composed of high-strength steel outer layer, sandwich aluminum alloy honeycomb and inner layer is proposed. Firstly, the expressions of platform stress, ultimate strain and equivalent elastic modulus of ‘Y’ honeycomb cell are derived based o...
ARTICLE
GAIN-SCHEDULING SELECTIVE CATALYTIC REDUCTION CONTROL IN DIESEL ENGINES WITH SWITCHED H∞ CONTROLLERS
This paper proposes a gain-scheduling (GS) control strategy for selective catalytic reduction (SCR) systems in diesel engines, to minimize both nitrogen oxides (NOX) emissions and ammonia (NH3) slip downstream of the SCR catalyst. The proposed GS controller switches among mult...
ARTICLE
OPTIMUM DESIGN CONSIDERING MAIN OPERATING POINTS OF EV TRACTION MOTOR FOR TORQUE RIPPLE REDUCTION AND FUEL ECONOMY IMPROVEMENT
In this paper, the optimum design considering main operating points (MOPs) of the electric vehicle (EV) traction motor is conducted to reduce the torque ripple and improve the fuel economy. MOPs of the traction motor can be determined by considering ratios of number of operati...
ARTICLE
VALVE MOTION CHARACTERISTICS AND APPLICATION ON ENGINE BASED ON A NEW VARIABLE VALVE ACTUATION SYSTEM
A new mechanical-hydraulic variable valve actuation (VVA) system was developed and a thin-wall orifice velocity control system were analyzed. Meanwhile, influence of speed, needle valve overflow area, oil temperature and oil supply pressure on valve motion characteristics were...
ARTICLE
GPIO BASED SLIDING MODE CONTROL FOR DIESEL ENGINE HIGH PRESSURE COMMON RAIL SYSTEM
With the rapid development of diesel engines, reducing the pressure fluctuation of the common rail has become a key factor to improve the performance of the high pressure common rail (HPCR) system. Among traditional rail pressure control approaches, the influence of time-varyi...
ARTICLE
REDUCTION OF PISTON SKIRT FRICTION USING THE MICRO-SCALE PATTERNED SURFACE
The purpose of this study is to determine whether piston friction can be reduced by applying a micro-pattern to the skirt portion of the piston, which accounts for the largest proportion of engine parts. The roughness of the ready-made pistons was reduced before etching the mi...
ARTICLE
DESIGN AND HYBRID CONTROL OF A NEW SELF-POWERED ELECTROMAGNETIC SUSPENSION ACTUATOR MATCHED WITH NON-PNEUMATIC TIRE
To improve the dynamic performance of non-pneumatic tire vehicle (NPTV) and recover the suspension vibration energy, a new self-powered electromagnetic suspension actuator matching non-pneumatic tire (NPT) with passive damping is proposed. Firstly, the mathematical model of th...
ARTICLE
BILATERAL CONTROL STRATEGY BASED ON LCL-S COMPENSATION NETWORK WIRELESS CHARGING SYSTEM WITHOUT COMMUNICATION
For wireless power transfer system (WPT), the delay of communication between primary side and secondary side influences the robustness of system. This paper proposes a bilateral control strategy based on the LCL-S compensation network wireless charging system without communica...
ARTICLE
EXPERIMENTAL EVALUATION OF FATIGUE LIFE IN ELASTICALLY BENDED DOUBLE-LAP BOLTED JOINT
Double-lap bolted joints have been widely applied for connecting parts in various industries owing to their structural stability and ease of manufacturing. When double-lap bolted joints are under loading, the section that sustains the load by friction between the surfaces of t...
ARTICLE
DESIGN OF REGENERATIVE BRAKING SYSTEM FOR ELECTRIC MOTORCYCLE BASED ON SUPERCAPACITOR WITH FUZZY PID
The Hybrid Electrical Energy Storage System (HESS) with supercapacitors in “GESITS” electric motorcycle offers greater power density and cycle life as well as a wider operating temperature range compared to batteries so as to maximize the existing regenerative braking featu...
ARTICLE
NUMERICAL STUDY ON UNDERSTANDING THE FORCE AND MOMENT CHANGES ACTING ON THE OVERTAKING VEHICLE DURING OVERTAKING PROCESS
Numerical analysis has been performed to understand the flow field changes around the overtaking vehicle while the overtaking vehicle is overtaking the driving vehicle, and how the flow field changes affect the aerodynamic drag force change, aerodynamic side force change, and ...
ARTICLE
CHARACTERISTICS OF SPRAY NEAR THE NOZZLE AND TIP WETTING IN AN ENLARGED GDI INJECTOR STEP-HOLE NOZZLE
This study is to analyze the spray characteristics near the nozzle according to the cavitating flow and step-hole structure using a quartz nozzle simulating a gasoline direct injection (GDI) injector. Referring to the dimensions of the injector used in mass-produced vehicles, ...
ARTICLE
MULTIVARIATE EFFECTIVENESS OF ECOLANE AND ECOHMI BASED COOPERATIVE VEHICLE-INFRASTRUCTURE SYSTEM
The cooperative vehicle-infrastructure system (CVIS) offers opportunities to further enhance the potential of energy saving and emission reduction for eco-driving. However, it is still not clear about the effectiveness of CVIS on promoting eco-driving nor the multivariate effe...
ARTICLE
PARALLEL PARKING PATH PLANNING BASED ON IMPROVED ARCTANGENT FUNCTION OPTIMIZATION
Aiming at the problems of small parking space and poor parking effect for existing parallel parking, this paper proposes a parallel parking path planning based on improved arctangent function optimization. Firstly, the vehicle parking kinematics model is established, and the v...
ARTICLE
EFFECT OF BUMPER THICKNESS WITH COLLISION SIMULATION OF PASSENGER VEHICLES
The finite element method is the most common method used to solve engineering and mathematical model problems. Related solution areas include structural analysis, heat transfer, mass transport and electromagnetic potential. FEM is a specific numerical method used to solve part...
ARTICLE
LOWER EXTREMITY INJURY OF VIETNAMESE PEDESTRIAN IN CRASH BY A SEDAN USING NUMERICAL SIMULATION
Pedestrians are among the most vulnerable road users, who often suffer serious injuries in road collisions. Therefore, evaluating the injury of a pedestrian is absolutely necessary. This paper aims to evaluate the lower extremity injuries for Vietnamese people by numerical sim...
ARTICLE
NEW INTEGRATED MULTI-ALGORITHM FUSION LOCALIZATION AND TRAJECTORY TRACKING FRAMEWORK OF AUTONOMOUS VEHICLES UNDER EXTREME CONDITIONS WITH NON-GAUSSIAN NOISES
This paper proposes a novel integrated multi-algorithm fusion localization and trajectory tracking framework for autonomous vehicles under extreme conditions with non-Gaussian noises. Firstly, in order to solve the problem that GPS signals are interfered with non-Gaussian nois...
ARTICLE
ENERGY MANAGEMENT STRATEGY CONSIDERING SPEED FEATURE RECOGNITION AND CABIN NOISE CONSTRAINT FOR HYBRID COMMERCIAL VEHICLES
The fuel economy and ride comfort of range-extender electric vehicles are closely related to the adopted energy management strategy (EMS). The appropriate EMS with noise constraints can not only effectively reduce fuel consumption, but improve ride comfort during vehicle trave...
ARTICLE
SURVEY OF TARGET PARKING POSITION DESIGNATION FOR AUTOMATIC PARKING SYSTEMS
This paper summarizes the results of research on target parking position designation for automatic parking systems and proposes development directions. First, as parking-related systems become increasingly common in the intelligent vehicle field, many terms are used confusingl...
ARTICLE
TEMPERATURE CONTROL STRATEGY OF PASSENGER COMPARTMENT BASED ON CONTROL ALGORITHMS
Thermal comfort of passenger compartment is an important constitute index of vehicle riding comfortability. A favorable compartment thermal environment is benefit to the physical and mental health of the driver and passengers, and can improve driving safety as well. Taking com...
ARTICLE
MODIFIED GENERALISED MAXWELL SLIP BASED ELECTRO-HYDRAULIC TRANSFER CASE MODELING FOR ALL-WHEEL DRIVE VEHICLE SIMULATION
This paper describes the modeling of a torque-on-demand transfer case and an all-wheel drive (AWD) vehicle simulation through model integration. To develop the AWD vehicle controller, reliable and robust mathematical modeling of transfer case for AWD vehicle simulation should ...
ARTICLE
PLASMA COMBUSTION CHARACTERISTICS OF RESISTANCE AND NON-RESISTANCE SPARK PLUGS IN A CONSTANT VOLUME COMBUSTION CHAMBER (CVCC)
This research work is attempted to investigate the internal combustion characteristics which include combustion events using CH4 gases in a constant volume combustion chamber (CVCC). To visualize the flame event, the experiment via a high-speed camera shows the snapshot throug...
ARTICLE
ROBUST GAIN-SCHEDULING CONTROL OF DYNAMIC LATERAL OBSTACLE AVOIDANCE FOR CONNECTED AND AUTOMATED VEHICLES
Dynamic trajectory planning (DTP) and Dynamic trajectory tracking (DTT) are the real-time mutual coupling in the process of the dynamic lateral obstacle avoidance (DLOA) of connected and automated vehicles (CAVs). Meanwhile, the varying velocity and acceleration of obstacle ve...
ARTICLE
EFFECT OF EXCESSIVE AIR RATIO ON HYDROGEN-FUELED SPARK IGNITION ENGINE WITH HIGH COMPRESSION RATIO USING DIRECT INJECTION SYSTEM TOWARD HIGHER BRAKE POWER AND THERMAL EFFICIENCY
Hydrogen is advantageous for use in internal combustion engines (ICEs) because of its high laminar flame speed and carbon-neutral characteristics. However, because of its low minimum ignition energy, abnormal combustions such as back-fire, pre-ignition, and knocking hinder its...
ARTICLE
RANGE-EXTENDER IN-THE-LOOP METHOD FOR FUEL CONSUMPTION PREDICTION OF HYBRID ELECTRIC VEHICLES
In the development of a range-extended electric vehicle, it is necessary to determine the control strategy of the range extender (REX) and evaluate the influence of its performance and operating conditions. In this paper, we propose a range-extender in-the-loop (REIL) method t...
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