Dr. Liqiang ZHAO

Office Address

Rom 610, Science and Technology Building

Mailing Address

Mail Box 4, No. 15 Beisanhuan East Road, Chaoyang District, Beijing 100029, P.R. China




Research Interests

Adaptive and Robust Filter, State Estimation of Nonlinear System, Optimal Modeling and Intelligent Measurement and Control of Complex Industrial Processes, Modern Sensor Technology

Education Experience

Sep.2004-Dec. 2009: Ph.D. Thesis “Research on Key Technologies of Intelligent Measurement and Control System for Fermentation Process”. Supervisor: Professor Jianlin Wang (BUCT). Awarded a Doctorate Degree in Control Theory and Control Engineering Major.
Sep. 2000-Jul. 2004: Undergraduate study in College of Information Science and Technology, BUCT. Awarded a Bachelor Degree in Measurement and Control Technology & Instrument Major.

Teaching Courses

Graduate Courses
EE574, Practice of Intelligent Detection Technology, BUCT
Undergraduate Courses
EEE35500E, Automation Device, BUCT
EEE35203E, Fieldbus Technology, BUCT


1. National Natural Science Foundation of China (61503019), 2016.1.1-2018.12.31, Project Leader.
2. National Key Scientific Instruments and Equipment Development Special Planning Project of Ministry of Science and Technology, China (2012YQ09020808), 2012.9.30-2016.9.30, Subtask Leader.


Liqiang Zhao, Jianlin Wang, Tao Yu, Kunyun Chen, Huan Jian, Design of adaptive robust square-root cubature Kalman filter with noise statistic estimator, Applied Mathematics and Computation, 2015, 256:352-367 (Science Citation Index: CB9UR)
Liqiang Zhao, Jianlin Wang, Tao Yu, Kunyun Chen, Tangjiang Liu, Nonlinear state estimation for fermentation process using cubature Kalman filter to incorporate delayed measurements, Chinese Journal of Chemical Engineering, 2015, http: //dx.doi.org /10.1016 / j. cjche.2015.09.005
Liqiang Zhao, Jianlin Wang, Tao Yu, Study on the extraction method for oil pipeline leakage signal feature based on improved empirical mode decomposition, Chinese Journal of Scientific Instrument, 2013,34(12):2696-2702 (in Chinese, Engineering Index: 20140317208985)
Liqiang Zhao, Jianlin Wang, Tao Yu, Wuhou Gou, A detection method for slow leakage of oil pipelines based on second generation wavelet transform and multistage hypothesis test, Acta Petrolei Sinica, 2012,33(5):898-903 (in Chinese, Engineering Index: 20124415631460)
Liqiang Zhao, Tangjiang Liu, Jianlin Wang, Tao Yu, A study of a Cubature Kalman filter with incomplete measurements, Journal of Beijing University of Chemical Technology (Natural Science), 2015,42(2):102-106 (in Chinese)
Liqiang Zhao, Huan Jian, Jianlin Wang, Tao Yu, Autocovariance total least-squares noise estimation, Journal of Beijing University of Chemical Technology (Natural Science), 2015,42(3):105-109 (in Chinese)
Liqiang Zhao, Dacan Luo, Jianlin Wang, Tao Yu, An adaptive strong tracking cubature Kalman filter, Journal of Beijing University of Chemical Technology (Natural Science), 2013,40(3):98-103 (in Chinese)
Liqiang Zhao, Jianlin Wang, Tao Yu, Modeling and implementation of on-line measurement of ethanol concentration in animalcule fermentation, Journal of Beijing University of Chemical Technology (Natural Science), 2012,39(1):98-102 (in Chinese)
Jianlin Wang, Liqiang Zhao, Tao Yu, On-line estimation in fed-batch fermentation process using state space model and unscented Kalman filter, Chinese Journal of Chemical Engineering, 2010,18(2):258-264 (Science Citation Index: 595TU)
Zheng Li, Jike Lu, Liqiang Zhao, Kai Xiao, Tianwei Tan, Improvement of L-Lactic acid production under glucose feedback controlled culture by Lactobacillus rhamnosus, Applied Biochemistry and Biotechnology, 2010,162(6):1762-1767 (Science Citation Index: 644PL)
Jianlin Wang, Yaoyu Xue, Liqiang Zhao, Zheng Li, Integration and application of intelligent measurement and control system for fermentation process, Transactions of the Chinese Society of Agricultural Engineering, 2012,28(5):178-183 (in Chinese, Engineering Index: 20121314899912)