Testing Technology for Service Performance of Materials & Intelligent Equipment
This team primarily researches complex loading, multiple physical fields coupling, extreme environment loading, in-situ inspection of mechanical properties, multi-parameter cooperative control and parallel testing, etc.
The team undertook over 50 projects at national and ministerial level, including the National Major Instrument Project, National Key Technology R&D Program, and projects supported by the National Natural Science Foundation of China, State Administration of Science, Commission of Science Technology and Industry for National Defense, with more than 100 million RMB research fund. The team published over 150 academic papers, and was granted 2 international patents and over 60 national invention patents. The team has commercialized 6 patents, valued at over 27 million RMB.
The team developed 16 national and industrial standards and obtained 5 software copyrights. A series of instruments and equipment working in single working condition, complex working conditions, and extreme working conditions were developed, filling the domestic gap in this field. Some instruments developed by the team are applied by over 60 institutions, such as Chinese Institute of Engineering Physics and Peking University. Researchers in this team have high academic level and excellent innovative capacity, including 1 recipient of the National Science Fund for Distinguished Young Scholars, 1 winner of the National Special Support Plan for High Level Talents, and other high-end talents. Currently, 4 provincial-level science and technology innovation platforms and 2 provincial-level innovation teams have been established. The team won the first prize of the Technological Invention Award of the Ministry of Education in 2017 and the first prize of the Technological Invention Award of Jilin Province in 2016.
Computer Numerical Control (CNC) Equipment and Reliability Technology
This research program focuses on reliability theories and technologies of CNC equipment, including CNC machine tools, industrial robots and other complex electromechanical systems, coupled with research in test equipment. This team develops technologies associated with life-cycle design of CNC equipment, test technologies and equipment, big data database for CNC equipment, remote intelligent fault diagnosis under collaborative environment, and CNC equipment service reliability (reliability, availability, maintainability, and security).
We presided over 30 national and provincial projects, such as National Science and Technology Major Projects and projects supported by National Natural Science Foundation of China, winning more than 60 million RMB research fund, with 20 million RMB converted to fixed assets. Through the program, three scientific and technological innovation platforms at provincial level were established, 280 journal papers were published, and 66 national invention patents were authorized. Some patents have been commercialized, valued at about 15 million RMB. The team developed 5 national and industrial standards and obtained 25 software copyrights. We won 3 first prizes and 3 second prizes of provincial and ministerial Science and Technology Progress Awards.
Intelligent Extreme Manufacturing Research
This team addresses the national major strategic needs and international frontier of science and technology. We develop new principles, technologies and equipment, strive for the innovation AI technology and advanced manufacturing technology, and solve key technology problems related to extreme precision manufacturing, extremely complex shapes, extremely difficult-to-process materials and extreme manufacturing scale.
Focus areas include ultra-precision removal processing, multi-robot co-evolutionary processing, micro engineering and micro systems technology, advanced material additive manufacturing and new principles and technologies of additive manufacturing. We undertook more than 30 national research projects, including National Key Basic Research and Development Program (973 Program), projects of the National Natural Science Foundation of China, the National Key R&D Program and the National High-tech R&D Program (863 Program). The research yielded over 200 journal papers and more than 50 national invention patents. We won 7 science and technology awards, including Science and Technology Progress Award of the Ministry of Education and Science and Technology Progress Award of Jilin Province, including 3 first prize and 2 second prize. Also, we established 4 scientific and technological innovation platforms at provincial level.
Design, Analysis and Control of High-end Equipment
The program team gives full play to the advantages of multi-disciplinary integration formed in research of engineering equipment, aims at the international frontier technology and devotes itself to developing theories and technologies in the field of engineering equipment. Research areas include digital design and analysis of engineering equipment, intelligent diagnosis and reliability of engineering equipment, advanced power transmission technology, new energy engineering machinery, fluid transmission and electro-hydraulic control, hydraulic mechanical transmission theory and intelligent control, lightweight design of equipment structure, physical security technology and equipment, unmanned platforms and unmanned special vehicles, bionic walking robots and intelligent rehabilitation robots, intelligent control of engineering vehicles, etc.
We undertook over 50 projects, such as National Key Basic Research and Development Program, projects of the National Natural Science Foundation of China, the National Science and Technology Support Program, the National Key R&D Program and the National High-tech R&D Program (863 Program). More than 200 journal papers and 16 books were published. We won a number of provincial level and ministerial level technology advancement awards.
Thin-walled Structure Design and Optimization
To accelerate the conceptual design of frame structures, a simplified modeling method is proposed to create beam frame using the thin-walled beams with complex sections and semi-rigid spring elements. Meanwhile, the cross-sectional shapes of thin-walled beams are optimized to achieve the lightweight frame considering stamping process. A computer aided engineering software is also developed to design the thin-walled frames, such as automobile body and civil structures.
Prediction of Bone Strength Based on Clinical QCT Images Using Machine Learning
This team proposed an effective machine learning method for predicting bone strength, combining biomechanical modeling and clinical QCT images. The achievements have been applied to the Norman Bethune First Hospital of Jilin University.
Driving, Transmission, Measurement and Control Technologies of Intelligent Machinery
Aiming at the new-type intelligent driving and transmission problems of modern machinery, the team focuses on research of SMA intelligent actuating, bionic electromagnetic driving, non-contact precision measurement, ultrasonic machining of hard and brittle materials, construction machinery design and analysis software. The achievements have been applied in enterprises such as NEPO, SINOTEST, SANY, and XCMG.
Key Technologies of Digital Design and Dynamic Simulation of Flexible Transmission
Based on the study of the mechanism of flexible transmission, this program team put forward new digital design method for flexible transmission system, such as round-pin jointed silent chain, hy-Vo silent chain, CVT chain and synchronous belt, using advanced contact dynamics theory and rigid flexible coupling dynamic simulation technology. The team developed a software for digital design and dynamic simulation of flexible transmission with independent intellectual property rights, which realized the independent development and performance evaluation of automobile engine timing drive system, transmission and transfer case chain transmission system. These achievements have been applied to FAW, Dongfeng Motor, SAIC, and were promoted in chain and belt industry.
Aerospace Field
1. Rocket
We solved the frequency measurement problem of Long March 2 strap-on rockets by the vibration and perturbation theory.
2. Satellite
For the Beidou navigation system, I star, M star, the solar wing of Tiangong-1 and space station, in-orbit optical module, and communication satellite, researchers have made numerical simulation analysis of the mechanical environment, including modal distribution design, dynamic response analysis, random vibration analysis, stability analysis, impact conduction path and mode analysis, and impact resistance structure design analysis. The project is also involved in investigating of rotation mechanism and aeronautical remote sensing system.
3. Optical Facilities
We developed the model control strategy and control software for FAST project.
4. Test Technology
The in-situ micromechanical properties testing equipment of materials is developed, which provides support for the performance testing and evaluation of aerospace adiabatic composite materials.
5. Unmanned Aerial Vehicle (UAV)
The project develops technologies related to special rotorcraft UAV system for intelligent geophysical exploration, heavy-load intelligent geophysical reconnaissance unmanned helicopter and coaxial unmanned helicopter, UAV magnetic measurement system, ground and aviation high efficiency application technology and intelligent equipment. Researchers also focus on developing UAV plant protection operation systems.
