1. Aerospace Information Processing and Application
Center of Aerospace Information Processing and Application(CAIPA) is a research group that collect academic staffs from Aeronautics and Astronautics, Computer Science and Technology, Applied Mathematics, and Prof. JunfengWang acts as the leader of the Center. The target of CAIPA Center is to enhance and promote talent team construction, scientific research innovation ability and academic competitiveness in School of Aeronautics and Astronautics, Sichuan University.
Aiming at China’s urgent need for information and intelligence of aerospace equipment, the CAIPA Center focuses on a series of challenges existing in aerospace network and information processing, and aerospace equipment intelligent control and service security, and conduct in-depth research on their common and fundamental technology issues.
CAIPA’s Research Directions：
It includes Aerospace and Earth Integration Network and Transmission, Aerospace Surveillance Network Technology, Aerospace and Earth Integration Network Security, Microsatellites and Software-defined Satellite systems, etc.
It includes Aerospace Information Visualization based on Big Data, Intelligent Blues Combat Simulation based on Enhanced Learning, Heterogeneous Multi-source Information Fusion, etc.
It includes Dynamic Modeling and Safety Assessment of Complex Equipment In-Service Behavior and Degradation Process, and Unmanned Group Intelligent Control in Uncertain Environment.
2. Aerospace Equipment Design, Manufacturing and Theory
Project 1
Project title: Fundamental Research on the Application of High-performance Transmissions of Spiral Bevel and Hypoid Gears
Funded by: National Natural Science Foundation of China
Directed by: Prof. Jiaxu Wang
Introduction: High-performance spiral bevel and hypoid gears are in high demand in aeronautical, astronautical, ship-building and various vehicle industries. Today they are urgently required to have high power density, efficiency, reliability, long life, low-noise, high-precision, and proper stiffness that impose great challenges to engineers and researchers. Based on the available research results achieved by the present team, involving innovative design theories of high-performance precise transmissions with a number of inventive patents, this interdisciplinary project is proposed to conduct advanced studies for the purpose of revolutionizing engineering analysis and design theories and methods, as well as manufacturing techniques, by employing cutting-edge technologies in gear engagement theory, interfacial mechanics, tribology, surface engineering, materials science, system dynamics, and reliability theory. It is expected that innovative results will be obtained to update the current theories and practices for spiral bevel and hypoid gear transimission. Major breakthroughs and innovation are expected in the fundamental researches of the application of high-performance gears, so that crucial scientific foundations can be laid for the further improvement of China’s equipment manufacturing industry.
Project 2
Project title: Series Product Development and Industrialization of High-reliability Precision Harmonic Reducer Used in Industrial Robot
Funded by: China Ministry of Science and Technology
Directed by: Prof. Jiaxu Wang
Introduction: This project aims to address the major demand for the design and manufacture of series products of high-reliability precision harmonic reducer in the national strategy emerging industry of robot. According to the frontier and development direction of the basic theory research of harmonic gear transmission, and based on the solid research foundation of the project team, the project focuses on the research and development of innovative design & manufacturing methods and key technologies of industrialization for high-reliability precision harmonic reducer series products used in industrial Robot. The implementation of this project will promote the advancement of precision harmonic transmission technology in China, realize the application of core components of industrial robots with independent intellectual property rights. Therefore, it has great scientific significance and engineering practical value for technological innovation, economic growth and national security.
3. Propulsion Technology and Power Equipment
Project 1
Project title: Interfacial mechanical behaviors and toughening mechanisms of micrometer/nanometer metallic laminates with high strength and high ductility
Funded by: National Natural Science Foundation of China
Directed by: Prof. Chongxiang Huang
Introduction: This project focuses on the scientific issue about mechanical behaviors of laminates and fabricates micrometer/nanometer laminated metallic materials with sharp and good bonding interfaces. Digital image correlation (DIC) method under SEM and In-situ synchrotron x-ray diffraction are used to characterize the strain distribution and its revolution of interfaces during loading process. The experimental results will reveal the distribution and interaction of stress and strain in individual layer during compliant plastic deformation, the role and law of interfaces on coordinating the plastic deformation between different layers, and the strengthening and toughening mechanisms of laminated metallic materials. The study results will provide reliable theoretical and experimental basis for optimal design and fabrication for high performance laminated metallic materials, strengthening and toughening mechanisms for new materials, which contribute greatly to the development of high strength and high toughness metallic materials.
Paper abstract: C.X. Huang, et al., Interface Affected Zone for Optimal Strength and Ductility in Heterogeneous Laminate, Materials Today, 21(7): 713-719, 2018.
C.X. Huang, et al., Materials Today, 21(7): 713-719, 2018.
4. Intelligent UAV and Intelligent Air Traffic Control System
Project 1
Optical three-dimensional measurement has significant advantages such as full field non-contact, low cost, fast speed, good flexibility, high precision, and easily automatic processing of data. It is widely applied in industrial inspection, cosmetic surgery, film and television entertainment, art sculpture, virtual reality, cultural relic protection, security, etc., as shown in Figure below. The structured-light-based 3D measuring instrument studied in this project has the characteristics of high precision, good integrity, fast speed and strong adaptability, and has important significance in theory and application.
