- Electric and Hybrid Vehicle Technologies
- Gear and Bearing Dynamics Analysis
- Mechanical Engineering and Vibrations Research
- Advanced Battery Technologies Research
- Hydraulic and Pneumatic Systems
- Vehicle Dynamics and Control Systems
- Electric Vehicles and Infrastructure
- Industrial Technology and Control Systems
- Vehicle emissions and performance
- Tribology and Lubrication Engineering
- Real-time simulation and control systems
- Iterative Learning Control Systems
- Vibration and Dynamic Analysis
- Fuel Cells and Related Materials
- Autonomous Vehicle Technology and Safety
- Advanced Combustion Engine Technologies
- Mechanical stress and fatigue analysis
- Machine Fault Diagnosis Techniques
- Advanced Sensor and Control Systems
- Advanced Algorithms and Applications
- Control Systems in Engineering
- Power Systems and Renewable Energy
- Engineering Applied Research
- Power Systems and Technologies
- Vehicle Noise and Vibration Control
Chongqing University
2016-2025
Chongqing Jiaotong University
2023
Ansteel (China)
2023
State Key Laboratory of Mechanical Transmission
2001-2022
Southwest Jiaotong University
2021
State Key Laboratory of Vehicle NVH and Safety Technology
2015
Panzhihua University
2009
China Automotive Engineering Research Institute
2008
A novel dual-motor coupling powertrain (DMCP) with speed and torque is proposed. In this powertrain, a planetary gear unit couples the of two motors, another shaft-fixed motors. By means integrated control, electric synchronizer, clutches, DMCP can operate in four modes to satisfy demands different running conditions, thereby improving energy utilization efficiency. paper, operating principles various are analyzed, instantaneous overall efficiency optimized based on vehicle longitudinal...
The equivalent fuel consumption minimum strategy (ECMS) based on the Pontryagin's principle (PMP) enables real-time energy management optimization of plug-in hybrid electric vehicles (PHEVs). However, it remains challenging to accurately determine factor (EF). In this study, an analytical expression optimal EF boundary is addressed facilitate more efficient search EF. deterministic derived from Hamilton equation PMP. By combining and differential evolution algorithm, a novel fusion adaptive...
This paper focuses on the dynamic modeling and analysis of dry dual clutch transmissions (DCTs) during vehicle launch shifts. The system model incorporates torque control strategies for DCT is capable quantitatively analyzing predicting transmission characteristics performance metrics, such as response shift patterns, thus providing an analytical tool calibration. applied a test equipped with transmission. simulation data are highly agreeable to obtained vehicle.
When searching for the optimal solution, Equivalent Consumption Minimum Strategy (ECMS) has to calculate and compare total equivalent fuel rate of huge candidates covered all over control domain each time instant. Therefore, this strategy still a heavy computation burden problem; it is challenge ECMS be implemented online real-time control. To reduce ECMS’s calculation load, paper proposes an adaptive Simplified-ECMS-based parallel plug-in hybrid electric vehicle (PHEV). A convex piecewise...
The driving pattern has an important influence on the parameter optimization of energy management strategy (EMS) for hybrid electric vehicles (HEVs). A new algorithm using simulated annealing particle swarm (SA-PSO) is proposed both power system and control HEVs based multiple cycles in order to realize minimum fuel consumption without impairing dynamic performance. Furthermore, taking unknown actual cycle into consideration, method EMS recognition this paper. simulation verifications...
The design of large wind turbine drivetrain systems is trending towards light weight and integration. To ensure the safe operation system, investigating electromechanical–rigid–flexible interaction transmission necessary. This study proposed an coupling dynamic model that can be used for variable speed load operating conditions. considered time-varying mesh stiffness, structural flexibility, magnetic saturation characteristics, electromagnetic radial force. effects flexibility housing...
Abstract In the transmission process, thermal deformation of gears due to external factors, coupled with expansion tooth profile induced by flash temperature from surface friction, significantly impacts time-varying mesh stiffness (TVMS) characteristics. Therefore, this paper proposes a novel analytical model for TVMS helical that considers these factors. model, gear foundation under bulk field is first determined using displacement method. Blok's theory then applied establish relationship...
Abstract Meshing temperature analyses of polymer gears reported in the literature mainly concern effects various material combinations and loading conditions, as their impacts could be seen first few meshing cycles. However, tooth geometry parameters manifest cycles increase. This study investigated on multi-cycle polyoxymethylene (POM) worm gears, aiming to control elevation by tuning geometry. Firstly, a finite element (FE) model capable separately calculating heat generation simulating...