李勇祥博士围绕大规模复杂系统的质量与可靠性等风险评估理论,研究大数据与工程机理联合驱动的复杂系统不确定性分析与量化。研究方向主要包括试验设计与分析、统计与机器学习、统计质量控制、统计信号处理等数据科学方法与大数据技术。
24) Yongxiang LI, Yu TIAN, Huadong MO, Sichang DU*. (2026). Gaussian Process Controlled B-Spline Surface. INFORMS Journal on Data Science. Accepted
23) Ruixian LI, Yongxiang LI, Yao CHENG*. (2025). Periodic Fractional Wiener Process for Degradation Modeling of Photovoltaic Systems. Technometrics. Accepted
22) Jinwei YAO, Jianguo WU, Yongxiang LI, Chao WANG*. (2026). Transfer Learning of Stochastic Kriging for Individualized Prediction. IEEE Transactions on Pattern Analysis and Machine Intelligence. 48, 527-541
21) Yongxiang LI, Yuanyuan LI, Di WANG*. (2025). Periodic Gaussian Process Controlled B-spline for Scalable Modeling of Irregularly Spaced Signals. IEEE Transactions on Information Theory. 71(10), 7842-7855
20) Yongxiang LI, Wuyang ZHANG, Matthias Hwai Yong TAN*, Peter CHIEN. (2025). Sequential Decomposition of Multiple Seasonal Components Using Spectrum-Regularized Periodic Gaussian Process. IEEE Transactions on Signal Processing. 73, 1034-1047
19) Yongxiang LI, Yunji ZHANG, Qian XIAO*, Jianguo WU. (2025). Noise Resistant Control Charts for Detecting Periodicity from Correlation. Technometrics. 67(3), 451-463
18) Ruiyu XU, Chao WANG, Yongxiang LI, Jianguo WU*. (2025). Generalized Time Warping Invariant Dictionary Learning for Time Series Classification and Clustering. IEEE Transactions on Pattern Analysis and Machine Intelligence. 47(5), 3611-3624
17) Di WANG, Andi WANG, Xiaochen XIAN, Yongxiang LI*. (2025). Partially Observable Online Nonparametric Monitoring of Spatiotemporally Correlated Data Streams. Technometrics. 67(3), 464-480
16) Yongxiang LI, Yunji ZHANG, Jianguo WU*, Min XIE. (2025). Regularized Periodic Gaussian Process for Nonparametric Sparse Feature Extraction from Noisy Periodic Signals. IEEE Transactions on Automation Science and Engineering. 22, 3011-3020
15) Ziyu LIU, Yongxiang LI*, Xiaowei YUE, Ershun PAN. (2025). Latent Functional Gaussian Process Incorporating Output Spatial Correlations. IISE Transactions. 57(12), 1436-1449
14) Wei FAN, Fan JIANG, Yongxiang LI*, Zhike PENG. (2025). A Hankel Matrix-based Multivariate Control Chart with Shrinkage Estimator for Condition Monitoring of Rolling Bearings. IEEE Transactions on Automation Science and Engineering. 22, 293-304
13) Xinming WANG, Yongxiang LI, Xiaowei YUE, Jianguo WU*. (2024). Nonstationary and Sparsely-Correlated Multioutput Gaussian Process with Spike-and-Slab Prior. INFORMS Journal on Data Science. 4(2), 114-132
12) Yongxiang LI, Qiang ZHOU*, Wei JIANG, Kwok-Leung TSUI. (2024). Optimal Composite Likelihood Estimation and Prediction for Distributed Gaussian Process Modeling. IEEE Transactions on Pattern Analysis and Machine Intelligence. 46(2), 1134-1147.
11) Ruixian LI, Jianguo WU, Yongxiang LI*, Yao CHENG. (2024). PeriodNet: Noise-Robust Fault Diagnosis Method under Varying Speed Conditions. IEEE Transactions on Neural Networks and Learning Systems. 35(10), 14045-14059.
10) Yongxiang LI, Yunji ZHANG, Qian XIAO, Jianguo WU*. (2023). Quasi-Periodic Gaussian Process Modeling of Pseudo-Periodic Signals. IEEE Transactions on Signal Processing. 71, 3548-3561.
9) Yushuai CHE, Yan MA, Yongxiang LI, and Linhan OUYANG*. (2023). A Novel Active-learning Kriging Reliability Analysis Method based on Parallelized Sampling Considering Budget Allocation. IEEE Transactions on Reliability. 73(1), 589-601.
8) Yongxiang LI, Yuting Pu, Qian XIAO*, Changming CHENG. (2023). A Scalable Gaussian Process for Large-Scale Periodic Data. Technometrics. 65(3), 363–374.
7) Wei FAN, Zhenqiang CHEN, Yongxiang LI*, Feng ZHU, Min XIE. (2023). A Reinforced Noise Resistant Correction Method for Bearing Condition Monitoring. IEEE Transactions on Automation Science and Engineering. 20(2), 995-1006.
6) Yongxiang LI, Yuting Pu, Wei FAN*, Jianguo WU. (2023). Constraint Linear Model for Period Estimation and Sparse Feature Extraction Based on Iterative Likelihood Ratio Test. IEEE Transactions on Industrial Electronics. 70(4), 4196-4205.
5) Ruiyu XU, Jianguo WU*, Xiaowei YUE, Yongxiang LI. (2023). Online Structural Change-point Detection of High-dimensional Streaming Data via Dynamic Sparse Subspace Learning. Technometrics. 65(1), 19-32.
4) Mithun GHOSH, Yongxiang LI, Qiang ZHOU*, Li ZENG, Zijun ZHANG. (2021). Modeling Multivariate Profiles Using Gaussian Process-Controlled B-Splines. IISE Transactions. 53(7), 787-798.
3) Wei FAN, Yongxiang LI*, Kwok-Leung TSUI, Qiang ZHOU. (2018). A Noise Resistant Correlation Method for Period Detection of Noisy Signals. IEEE Transactions on Signal Processing. 66(10) 2700-2710.
2) Yongxiang LI, Qiang ZHOU*, Xiaohu HUANG, Li ZENG. (2018). Pairwise Estimation of Multivariate Gaussian Process Models with Replicated Observations: Application to Multivariate Profile Monitoring. Technometrics. 60(1), 70-78.
1) Yongxiang LI, Qiang ZHOU*. (2016). Pairwise Meta-Modeling of Multivariate Output Computer Models Using Nonseparable Covariance Function. Technometrics. 58(4), 483-494.