Advanced Powertrain Research Team for New Energy Vehicles

Team Introduction

The Advanced Powertrain Research Team for New Energy Vehicles of Guangxi University currently has 1 national high-level overseas talent expert, 6 professors, 6 associate professors, 7 assistant professors, and more than 100 master's and doctoral students are currently under training.

    At present, the central laboratory has more than 1000 square meters of scientific research area, including high-speed three motor power system laboratory, combustion and emission control laboratory of internal combustion engine, semi anechoic room for Powertrain comprehensive performance, comprehensive performance laboratory of RV reducer for robot, precision measurement laboratory of gear testing center, power cycle gear fatigue laboratory, Strength of materials performance laboratory, automobile chassis performance laboratory, etc.

Team Leader

Chen Yong (Junwu Scholar, Professor, Doctoral Degree), Director of the New Energy Vehicle Research Centre of Guangxi University, national high-level overseas talents, Foreign Academician of the Russian Academy of Engineering, member of China Society of Automotive Engineering, Vice-Chairman of the China New Energy Vehicle Committee of the Society of Automotive Engineers (SAE), Member of the International Organization for Standardization (ISO) ISO/TC60/SC2/WG, and Vice-President of the Tianjin Society of Automotive Engineering. He is also a member of ISO/TC60/SC2/WG.

Academic Leader

C.C. Chan, currently Chair Professor of the Hong Kong Polytechnic University, Director of the Electric Vehicle Research Centre, Academician of the Chinese Academy of Engineering, former member of the National Committee of the Chinese People's Political Consultative Conference, Fellow of the Hong Kong Academy of Engineering and Special Advisor, Member of the Royal Academy of Engineering, Rotating Chairman of the World Electric Vehicle Association, expert in electric motors, electric drives and electric vehicles.

 

Team Teachers

Academic Committee

Academic Committee Director

Academician of CAE Member C.C. Chan

Key Members

School of Mechanical Engineering, Guangxi University has 2 professors, 3 associate professors and 6 professor assistants.

Part Time Member

Pan Zhijie: Professor at Zhejiang University、National Overseas High-level Talents

Zhong Yuwei: Senior Vice President of Guangxi Yuchai Machinery Co., Ltd、State Council Special Allowance Expert

Han Zhiyu: Professor of Tongji University、National Overseas High-level Talents、SAE Member Committee Member

Ju Dongying: National Overseas High-level Talents、Chairman of the Japan China Science, Technology and Cultural Exchange Center

Zhang Nong: Professor of Hefei University of Technology、National Overseas High-level Talents

Hu Xiaosong: Professor of Chongqing University、National Overseas High-level Young Talents

Gao Bingzhao: Professor of Tongji University、 Changjiang Scholar

Wang Shuhan: Professor of Beihang University, National Ten Thousand Talents Program

Liu Xu: Professor of Hebei University of Technology

Mainly based on platforms

New Energy Vehicle Research Centre of Guangxi University. China Automotive Technology Research Center

Main research conditions

New Energy Vehicle Research Centre has a three-motor transmission comprehensive performance laboratory, combustion and emission control laboratory of internal combustion engine, powertrain comprehensive performance semi-anechoic chamber, comprehensive performance laboratory of RV reducer for robots, precision measurement laboratory of Gear Inspection Centre, fatigue testing laboratory of power cycle gears, laboratory of mechanical properties of materials, and laboratory of automobile chassis performance.

 

High speed three electric power system test bed

Residual stress analysis test bench	RV reducer comprehensive performance test bench
Hardware-in-the-loop test system	24-channel LMS vibration and noise tester
High efficiency engine test bench	FZG gear wear testing machine

 

The New Energy Vehicle Research Centre cooperates with research institutes inside and outside the region, such as Zhejiang University, Tongji University, Beihang University, Chongqing University, Hong Kong University of Science and Technology and the Chinese University of Hong Kong as well as leading enterprises, such as SAIC-GM-Wuling, FAW, Zhejiang Geely Holding Group Co., Ltd, Chery Automobile, Dongfeng Liuzhou Motor Co., Ltd, Guangxi Yuchai Machinery Co., Ltd, Founder Electric Machinery, and Jingjin Electric Technology Co., Ltd, to promote the innovation of industry-academia-research-government synergies.

Main research interests

Research Field 1: Research and Development of New Energy Vehicle Powertrain System

Facing the cutting-edge needs of power systems for new energy electric vehicles, research and develop a series of automatic transmission platforms for powertrain drive systems for pure electric passenger cars, covering direct-drive speed regulation without synchro two-gear mechanical automatic transmissions, powershift dry-type dual-clutch automatic transmissions, and dual-motor multi-gear electric drive assembly systems; develop a generator-activated synchronous speed-shift control strategy to solve the problem of high-speed power shifting, and realize the transmission The prototype has been tested on the whole vehicle to improve driving smoothness.

Research Field 2: Gear bearing surface composite modification and strengthening technology

For the high-speed transmission system of new energy vehicles, for the problem of high torque, high speed transmission gear fatigue life is insufficient, put forward a new process of surface strengthening coating for automotive gears and surface pitting fatigue inhibition methods, forming a super gear physical and chemical composite reinforcement technology, greatly improving the fatigue strength and fatigue life of gears and bearings of the key components of automotive automatic transmissions; lead the Ministry of Science and Technology to host the ‘Key Special Project of Strategic International Cooperation in Science and Technology’, which is a key project of the Ministry of Science and Technology. Leader of the Ministry of Science and Technology of the strategic international cooperation in science and technology innovation key special project ‘new energy vehicle high-speed transmission system key components simulation manufacturing technology and application research’ project.

Research Field 3: Research on ‘Vehicle, Road, Electricity and Cloud’ Integrated Intelligent Networked New Energy Vehicles

Carry out research on common control technologies for intelligent grid-connected ‘vehicle, road, electricity and cloud’ integration, and research and develop key technologies for intelligent transport systems, such as complex environment fusion sensing, macroscopic traffic decision-making and control, and road-vehicle information interaction; and explore the energy management and underlying control system for new energy vehicles that combines information from ‘vehicle, road, electricity and cloud’. Explore the integration of ‘vehicle, road, power and cloud’ information, energy management and underlying control of new energy vehicles, improve the energy use efficiency of the entire transport system and even the smart city system, and realize the efficient interaction between new energy vehicles and V2G energy of the power grid.

Research Field 4: Power Battery Intelligent Management Innovation Platform for New Energy Vehicles

Explore the evolution law of electric and thermal parameters in the whole life cycle of power battery, propose the collection and setting process of battery aging acceleration factor, and form accurate fault diagnosis, state estimation and thermal runaway early warning technology of large-capacity battery module; study the random failure mechanism and cyclic attenuation mechanism under the conditions of high-temperature and high-pressure float charging of batteries, and develop the dynamic grouping topology and active balancing management strategy of the battery life to realize the high precision prediction of SOH of power battery. High-precision prediction of power battery SOH.

Research Field 5: Electric drive control and energy management of new energy vehicles

Carry out research on the vibration and noise generation mechanism of permanent magnet synchronous motors for new energy passenger cars, put forward the mechanism analysis model and finite element simulation model of the multi-physical field coupling of ‘electro-mechanical magnetic control’, and research and develop a variety of modulation techniques for analysis and optimization and parameter fast optimization; carry out research on the energy management and mode switching control of programmable vehicles, and research and develop highly efficient programmable electric drive assemblies, range extender, and power battery SOH prediction. Carry out research on energy management and mode switching control of programmable vehicles, and research and develop the integration and structural optimization design of high-efficiency programmable electric drive assembly, range extender and the whole vehicle, so as to achieve excellent dynamics, economy and ride quality of the whole vehicle.

Research Field 6: Research on wheel hub motor torque distribution technology for new energy vehicles

Carry out research on wheel hub motor torque distribution technology for new energy passenger cars, propose a hierarchical control method of torque distribution for wheel hub motor-driven electric vehicles, construct upper and lower torque distribution controllers, and research on driving torque distribution control strategy based on the MAP diagram of motor efficiency and driving torque distribution control strategy based on slip rate, so as to reasonably regulate the torque to improve the efficiency of the motor drive and enhance the stability of the manoeuvre.

 

Main scientific achievements

1.  Tribological performance of Mn3(PO4)2 coating and PC/MoS2 coating in. Tribology International, 202101/153（2021）106642, 2/9

2.  Comparison of architecture and adaptive energy management strategy for plug-in hybrid electric logistics vehicle. Energy， 2021, 13(24), 1-25, 3/5

3.  Comparative tribological and friction behaviors of oil-lubricated manganese pho sphate conversion coatings with different crystal sizes on AISI 52100 steel. Wear, 20201015/458-459(2020) 203427, 2/8

4.  Analysis of the Sideband Current Harmonics and Vibro-acoustics in the PMSM with SVPWM. IET Power Electronics, 2020.4/2020, 13(5), pp.1033-1040, 2/5

5.  Peihang Xu, Xiaoyi Hu, Benlong Liu, Tiancheng Ouyang*, Nan Chen. Hierarchical estimation model of state-of-charge and state-of-health for power batteries considering current rate. IEEE Transactions on Industrial Informatics.

6.  Tiancheng Ouyang*, Peihang Xu, Jie Lu, Xiaoyi Hu, Benlong Liu, Nan Chen. Co-estimation of state-of-charge and state-of-health for power batteries based on multi-thread dynamic Optimization Method. IEEE Transactions on Industrial Electronics.

7.  Qin Pinpin, Wu Fengmin, Wu Da, Zhang Shunfeng, Huang Daming. Three-dimensional discrete element simulation of the runaway vehicle deceleration process on the arrester bed of truck escape ramps[J]. SCIENCE PROGRESS, 2020, (103)3 :1-22.

8.  Numerical study of the stopping distance for runaway vehicle on truck escape ramp by using the improved equation of car driving (2018 the 6th International Conference on Mechanical Engineering, Materials Science and Civil Engineering, ICMEMSCE2018 [C]. Xiamen, China, Dec 21-22, Pages 111-117, 2018.

9.  Jiang Ding, Liwei Liu, Yuting Wei and Aiping Deng, Improved design method for line gear pair based on screw theory, Journal of Mechanical Science and Technology, 2022, 36 (4): 1867-1878

10.  Jiang Ding, Yuting Wei, Liwei Liu and Ting Geng, Novel design method for constrained conjugate contact curves of line gears based on rolling-up of pitch pattern, Journal of Mechanical Science and Technology, 2022, 36 (9), 4535-4548

11.  Qin Li, Huachun Tan, Xizhu Jiang, Yuankai Wu, Linhui Ye. Nonrecurrent traffic congestion detection with a coupled scalable Bayesian robust tensor factorization model[J]. Neurocomputing, 2021, 430: 138-149.

12.  Qin Li, Huachun Tan, Yuankai Wu, Linhui Ye, Fan Ding. Traffic flow prediction with missing data imputed by tensor completion methods[J]. IEEE Access, 2020, 8: 63188-63201.

13.  Gai, J., Tuel T., Bao, Y., Xiang, L. & Tang, L. (2022). GPS-based Navigation Control for a Central-Articulated Robotic Vehicle. Computer and Electronics in Agriculture. Under review.

14.  Gai, J., Xiang, L., & Tang, L. (2021). Using a Depth Camera for Crop Row Detection and Mapping for Under-Canopy Navigation of Agricultural Robotic Vehicle. Computer and Electronics in Agriculture, 188. https://doi.org/10.1016/j.compag. 2021. 106301.

15.  Xiang Z Y*, Zhang J K, Xie S L, Mo J L, Zhu S, Zhai C Z. Friction-induced vibration and noise characteristics, and interface tribological behavior during high-speed train braking: The effect of the residual height of the brake pad friction block[J]. Wear, 2023, 204619.

16.  Xiang Z Y*, Zheng P W, He D Q, Mo J L, Zhu S, Gou Q B, Du L Q. Tribological improvement of a high-speed train brake system and friction-induced vibration energy harvesting via a sandwich damping piezoelectric structure[J]. Tribology International, 2022, 107878.

17.  M. Xu, Y. Han, X. Sun, Y. Shao*, F. Gu and A.D. Ball. Vibration Characteristics and Condition Monitoring of Internal Radial Clearance within a Ball Bearing in a Gear-shaft-bearing system [J]. Mechanical System and Signal Processing, 2022, 165, 108280.

18.  Y. Han, M. Xu*, X. Sun, X. Ding, X. Chen*, and F. Gu. Gear Health Monitoring and RUL Prediction Based on MSB Analysis [J]. IEEE Sensors Journal, 2022, 22(5): 4400-4409.

Major research projects

1. research on simulation manufacturing technology and application of key components of high-speed transmission system for new energy vehicles, National Key R&D Programme;

2. research on high-performance and high-reliability lightweight motor technology and industrialization, National Key Research and Development Plan;

3. High-performance and low-energy pure electric car chassis and vehicle development research, National Key R&D Programme;

4. research on optimized matching and validation analysis of plug-in (including programmable) hybrid electric vehicle power system based on China's working conditions, National Key Research and Development Program (NKRDP);

5. research on the dynamic interaction between brake bed aggregate particles and uncontrolled vehicle wheels in avoidance lanes of mountain highways based on discrete elements, under research, top-level project of Guangxi Natural Science Foundation;

6. theoretical study on the design of wide-band nonlinear piezoelectric generator based on linear-tooth manifold, youth project of National Natural Science Foundation of China;

7. analysis and control of ECAS vehicle body height adjustment mechanism based on Ito stochastic theory, National Natural Science Foundation of China;

8. research on the key technology of rollover warning and control of semi-trailer vehicle train, Guangxi natural science funding project;

9. multi-tensor network theory for high-dimensional multi-source coupled big data and its empirical research, National Natural Science Foundation of China International Cooperation and Exchange Project;

10. research on self-following control method of intelligent sanitation vehicle based on human dynamic behaviour tracking, Guangxi science and technology base and talent special project;

11. research on brake noise suppression of high-speed train and its mechanism based on the design of floating connection structure of brake pad friction block, Guangxi Natural Science Foundation Youth Science Fund Project;

12. research on the theory and method of dynamic regulation and control of service behaviour of mechanical transmission system, key project of National Natural Science Foundation of China.