Curriculum Vitae
Name: Qifeng Ren
Current position: Lecturer
Contact Information:
School of Mathematical Sciences,
Ocean University of China,
238 Songling Road,
Qingdao, China, 266100
Email: renqifeng@yeah.net
Office Phone: (86) 0532-66787153
Education:
Ph.D. in Physical Oceanography ，July 2010
Institute of Oceanology, Chinese Academy of Sciences, P. R. China,
M. Sc. in Operations Research and Cybernetics ，July 2007
Department of Mathematics, Ocean University of China, P. R. China,
B. Sc. in Information and Computing Science ，July 2003
School of Mathematics and Systems Science, Shandong University, P. R. China
Professional Experience:
2010—present: in School of Mathematical Science at Ocean University of China
Current position: Lecturer
Teaching Courses: Advanced Mathematics, Ordinary Differential Equation and
Stability Theory
Research Interests:
Data Assimilation:
Combine observation data and numerical model as an organic whole to realize the
full use of observation data based on various data assimilation method, such as
optimal interpolation and Kalman Filter etc.
Sliding Mode Control:
Robust control method for time-delay systems based on Lyapunov stability theory
Grants:
1.National Natural Science Foundation of China (No. 41306002), Ensemble assimilation research of directional wave spectra data from satellite remote sensing based on ocean wave model SWAN, 2014.1-2016.12
2.Fundamental Research Funds for the Central Universities (No. 201313007), Ensemble optimal interpolation assimilation research based on SWAN model, 2013.1-2014.12.
3.Fund of Oceanic telemetry Engineering and Technology Research Center, State Oceanic Administration (No. 2012004), Statistical analysis research of ocean wave model prediction error characteristics, 2012.7-2014.6.
Selected Publications:
1.Qifeng Ren, Jie Zhang, Junmin Meng, Pingjian Song, Comparison and analysis of Envisat ASAR ocean wave spectra with buoy data in northern Pacific Ocean, Chinese Journal of Oceanology and Limnology, 2011, 29(1), pp. 10-17.
2.Ren Qifeng, Zhang Jie, Yin Xunqiang, Yang Yongzeng, Optimal interpolation assimilation experiments based on Envisat ASAR ocean wave spectral data, Journal of Tropical Oceanography, 2010, 29(5), pp. 17-23.
3.Ren Qifeng, Gao Cunchen, Wang Pin, Variable structure control for discrete time systems based on attenuating control, Journal of System Simulation, 2008, 20(4), pp. 1056-1059.
4.Gao Cunchen, Liu Zhen, Ren Qifeng, Nonlinear quasi-sliding-mode robust control for discrete-time systems with time-delay, Control Theory & Applications, 2013, 1, pp. 123-130.
5.Liu Yunlong, Gao Cunchen, Ren Qifeng, Guo Zhenzhen, Soft variable structure control based on sigmoid functions for autonomous underwater vehicles, Electric Machines and Control, 2012, 16(2), pp. 90-95.
6.Jia Yongjun, Zhang Jie, Ren Qifeng, Wang Yanfeng, Calibration of wave slopes in the color coding method, High Technology Letters, 2008, 18(1), pp. 65-70.