Background of Education and Work Experience

• Sep, 2020-Now, Chongqing University, Associate Professor

• Jan, 2018-Sep, 2020, Chongqing University, Lecturer

• Sep, 2012-Dec, 2017, Xi’an Jiaotong University, PhD degree in Mechanical Engineering

• Dec, 2016-Dec, 2017, University of California, Berkeley, Joint PhD in Mechanical Engineering

• Sep, 2008-Jul, 2013, Xi’an Techlogyical University, Bachelor degree in Mechanical Engineering

Research Field

• Design and manufacture of intelligent robots

• Cooperative control of human-robot complex system

• Smart manufacturing, smart factory

• Industrial big data technology

• Digital twin theory and technology

• High-efficiency precision machining theory and technology

• Basic theory of heat transfer at micro-nano scale

Research and Honors

• Teaching situation

1. National and Chongqing Excellent Course "Engineering Drawing II"

2. Elective course for undergraduates "Basics of Macro and Micro Heat Transfer in Complex Mechanical Systems"

• Social work

1. Expert of the Ministry of Science and Technology Expert Database

2. Peer Review Expert of National Foundation of China

3. Senior Member of IEEE and ASME

4. Senior Member of Chinese Mechanical Engineering Society

5. Member of China Artificial Intelligence Association

6. Senior Member of Aeronautical Society

7. Reviewers of internationally renowned SCI journals: INT J MACH TOOL MANU, MECH SYST SIGNAL PR, INT J HEAT MASS TRAN, INT COMMUN HEAT MASS, INT J THERM SCI, APPL THERM ENG, IEEE T IND ELECTRON, IEEE T IND INFORM, IEEE -ASME TMECH, IEEE T INSTRUM MEAS, INT J MECH SCI, ROBOT CIM-INT MANUF, J MANUF SYST, MEAS SCI TECHNOL, Measurement, MECH MACH THEORY, INT J of ADV MANUF TECH, Proc IMechE Part B: J of Eng Manuf , Proc IMechE Part C: J of Eng Manuf, CHIN J MECH ENG-EN, Journal of Mechanical Engineering, Journal of Aeronautics and other journals

• Honor awards

1. School-level first-class scholarship in September 2008

2. School-level first-class scholarship in September 2009

3. School-level first-class scholarship in September 2010

4. National Inspirational Scholarship for Undergraduates of the Ministry of Education

5. School-level first-class scholarship in September 2011

6. National Undergraduate Scholarship of the Ministry of Education in September 2011

7. Title of school-level three excellent students in September 2011

8. Title of school-level outstanding graduate in September 2012

9. Title of Excellent Undergraduate Graduation in September 2012

10. More than 20 single-subject scholarships from September 2008 to September 2012

11. Scholarship from the Scholarship Council of the Ministry of Education of the People's Republic of China

12. National Scholarship for Doctoral Students of the Ministry of Education

• Representative journal articles

1. Liu J, Ma C*, Wang S, et al. Thermal-Structure Interaction Characteristics of a High-Speed Spindle-Bearing System[J]. International Journal of Machine Tools & Manufacture, 2019, 137: 42-57.

2. Liu J, Ma C*, Wang S, et al. Thermal Boundary Condition Optimization of Ball Screw Feed Drive System Based on Response Surface Analysis [J]. Mechanical Systems and Signal Processing, 2018, 10.1016/j.ymssp.2018.11.042.

3. Liu J, Ma C*, Wang S, et al. Contact stiffness of spindle-tool holder based on fractal theory and multi-scale contact mechanics model[J]. Mechanical Systems and Signal Processing, 2019, 119: 363-379.

4. Liu J, Ma C*, Wang S. Precision loss modeling method of ball screw pair[J]. Mechanical Systems and Signal Processing, 2020, 135, 106397.

5. Liu J, Ma C*, Wang S. Data-Driven Thermally-Induced Error Compensation Method of High-Speed and Precision Five-Axis Machine Tools[J], Mechanical Systems and Signal Processing, 2020, 143, 106538.

6. Ma C*, Liu J, Wang S. Thermal Error Compensation of Linear Axis with Fixed-Fixed Installation[J]. International Journal of Mechanical Sciences, 2020, 152, 105531.

7. Ma C*, Liu J, Wang S. Thermal contact conductance modeling of baring outer ring/bearing housing interface[J]. International Journal of Heat and Mass Transfer, 2020, 150, 119301.

8. Liu J, Ma C*, Wang S. Thermal contact conductance between rollers and bearing rings[J]. International Journal of Thermal Sciences, 2020, 147, 106140.

9. Liu J, Ma C*, Wang S, et al. Thermal contact resistance between bearing inner ring and shaft journal[J]. International Journal of Thermal Sciences,  2019, 138(1): 521-535.

10. Liu J, Ma C*, Wang S. Thermal contact conductance between balls and bearing rings [J]. International Communications in Heat and Mass Transfer, 2020, 117:104780.

11. Liu J, Ma C*, Wang S. Data-driven thermal error compensation of linear x-axis of worm gear machines with error mechanism modeling[J]. Mechanism and Machine Theory, 2020, 153:104009.