刘宇 (教授)

教授 博士生导师

曾获荣誉:[2011至今]
获国家优秀青年科学基金
入选Elsevier中国高被引学者榜单
四川省青年科技奖
中国运筹学会青年科技奖
首批四川省“天府WR计划”科技菁英人才
入选四川省杰出青年科学基金计划
首届上银优秀机械博士论文奖
四川省优秀博士学位论文
入选电子科技大学百人计划
电子科技大学学术新人奖

性别:男

毕业院校:电子科技大学

学历:博士研究生毕业

学位:工学博士学位

在职信息:在岗

所在单位:机械与电气工程学院

职务:党委书记

学科:工学

办公地点:清水河校区创新中心D212

联系方式:

电子邮箱:

当前位置: 主页 >> Publications

  • International Journal Papers  (+ denotes my students)

[J53] Yiming Chen+, Yu Liu*, Tangfan Xiahou+. A deep reinforcement learning approach to dynamic loading strategy of repairable multi-state systems. IEEE Transactions on Reliability, 2021. (Accepted)

[J52] Jing Zhou+, Tangfan Xiahou+Yu Liu*. Multi-objective optimization-based TOPSIS method for sustainable product design under epistemic uncertainty. Applied Soft Computing, 2021, 98: 106850. Download

[J51] Lin Zuo*, Lei Zhang, Zhe-Han Zhang, Xiao-Ling Luo, Yu Liu*. A spiking neural network-based approach to bearing fault diagnosis. Journal of Manufacturing Systems, 2021. Download

[J50] Tangfan Xiahou+, Zhiguo Zeng, Yu Liu*. Remaining useful life prediction by fusing experts' knowledge and condition monitoring information. IEEE Transactions on Industrial Informatics, 2021, 17(4): 2653-2663. Download

[J49] Tangfan Xiahou+Yu Liu*, Qin Zhang+. Multi-objective redundancy allocation for multi-state system design under epistemic uncertainty of component states. Journal of Mechanical Design-Transactions of The ASME, 2020, 142(11): 111703. Download

[J48] Yu Liu*, Yiming Chen+, Tao Jiang+. Dynamic selective maintenance optimization for multi-state systems over a finite horizon: A deep reinforcement learning approach. European Journal of Operational Research, 2020, 283(1): 166-181. Download

[J47] Tangfan Xiahou+Yu Liu*. Reliability bounds for multi-state systems by fusing multiple sources of imprecise information. IISE Transactions, 2020, 52(9): 1014-1031. Download

[J46] Tao Jiang+Yu Liu*. Selective maintenance strategy for systems executing multiple consecutive missions with uncertainty. Reliability Engineering and System Safety, 2020, 193: 106632. Download

[J45] Tao Jiang+Yu Liu*. Robust selective maintenance strategy under imperfect observations: a multi-objective perspective. IISE Transactions, 2020, 52(7): 751-768. Download

[J44] Zhaoping Xu+, Jose Emmanuel Ramirez-Marquez, Yu Liu*, Tangfan Xiahou+. A new resilience-based component importance measure for multi-state networks. Reliability Engineering and System Safety, 2020, 193: 106591. Download

[J43] Yu Liu*, Boyuan Zhang+, Tao Jiang+, Tangfan Xiahou+. Optimization of multilevel inspection strategy for nonrepairable multistate systems. IEEE Transactions on Reliability, 2020, 69(3): 968-985. Download

[J42] Wenbin Cao, Xisheng Jia, Yu Liu, Qiwei Hu, Jianmin Zhao. Selective maintenance optimisation considering random common cause failures and imperfect maintenance. IMechE Part O: Journal of Risk and Reliability, 2019, 233(3): 427-443. Download

[J41] Tao Jiang+Yu Liu*, Yi-Xuan Zheng+. Optimal loading strategy for multi-state systems: cumulative performance perspective. Applied Mathematical Modelling, 2019, 74: 199-216. Download

[J40] Lin Zuo, Tangfan Xiahou+Yu Liu*. Reliability assessment of systems subject to interval-valued probabilistic common cause failure by evidential networks. Journal of Intelligent & Fuzzy Systems, 2019, 36(4): 3711-3723. Download

[J39] Lin Zuo, Tangfan Xiahou+Yu Liu*. Evidential network-based failure analysis for systems suffering common cause failure and model parameter uncertainty. IMechE Part C: Journal of Mechanical Engineering Science, 2019, 233(6): 2225-2235. Download

[J38] Yu Liu*, Qinzhen Liu+, Chaoyang Xie, Fayuan Wei. Reliability assessment for multi-state systems with state transition dependency. Reliability Engineering and System Safety, 2019, 188: 276-288. Download

[J37] Zhaoping Xu+, Yuchang Mo, Yu Liu*, Tao Jiang+. Reliability assessment of multi-state phased-mission systems by fusing observation data from multiple phases of operation. Mechanical Systems and Signal Processing, 2019, 118: 603-622. Download

[J36] Zhiyuan Ouyang+Yu Liu*, Sheng-Jia Ruan+, Tao Jiang+. An improved particle swarm optimization algorithm for reliability redundancy allocation problem with mixed redundancy strategy and heterogeneous components. Reliability Engineering and System Safety, 2019, 181: 62-74. Download

[J35] Tangfan Xiahou+Yu Liu*. Extended composite importance measures for multi-state systems with epistemic uncertainty of state assignment. Mechanical Systems and Signal Processing, 2018, 109: 62-74. Download

[J34] Yu Liu*, Yiming Chen+, Tao Jiang+. On sequence planning for selective maintenance of multi-state systems under stochastic maintenance durations. European Journal of Operational Research, 2018, 268(1): 113-127. Download

[J33] Yuchang Mo, Yu Liu, Lirong Cui. Performability analysis of multi-state series-parallel systems with heterogeneous components. Reliability Engineering and System Safety, 2018, 171: 48-56. Download

[J32] Wenbin Cao, Xisheng Jia, Yu Liu*, Qiwei Hu. Selective maintenance optimization for fuzzy multi-state systems. Journal of Intelligent & Fuzzy Systems, 2018, 34(1): 105-121. Download

[J31] Yu Liu*, Chu-Jie Chen+. Dynamic reliability assessment for nonrepairable multistate systems by aggregating multilevel imperfect inspection data. IEEE Transactions on Reliability, 2017, 66(2): 281-297. Download

[J30] Tao Jiang+Yu Liu*. Parameter inference for non-repairable multi-state system reliability models by multi-level observation sequences. Reliability Engineering and System Safety2017, 166: 3-15. Download

[J29] Yu Liu*, Yi Shi+, Qiang Zhou, Rengqiang Xiu+. A sequential sampling strategy to improve the global fidelity of metamodels in multi-level system design. Structural and Multidisciplinary Optimization, 2016, 53(6): 1295-1313. Download

[J28] Yu Liu*, Yi Shi+, Tao Jiang+, Jiang-Zhou Liu+, Wei-Jie Wang+. Metamodel-based direction guidance system optimization for improving efficiency of aircraft emergency evacuation. Computers & Industrial Engineering, 2016, 91: 302-314. Download

[J27] Xiang-Yu Li+Yu Liu*, Chu-Jie Chen+, Tao Jiang+. A copula-based reliability modeling for nonrepairable multi-state k-out-of-n systems with dependent components. IMechE Part O: Journal of Risk and Reliability, 2016, 230(2): 133-146. Download

[J26] Yu Liu, Ming J. Zuo, Yan-Feng Li, Hong-Zhong Huang. Dynamic reliability assessment for multi-state systems utilizing system-level inspection data. IEEE Transactions on Reliability, 2015, 64(4): 1287-1299Download

[J25] Yu Liu*, Peng Lin+, Yan-Feng Li, Hong-Zhong Huang. Bayesian reliability and performance assessment for multi-state systems. IEEE Transactions on Reliability, 2015, 64(1): 394-409Download

[J24] Ramin Moghaddass, Ming J. Zuo, Yu Liu, Hong-Zhong Huang. Predictive analytics using a nonhomogeneous semi-Markov model and inspection data. IIE Transactions, 2015, 47(5): 505-520. Download

[J23] Wei Peng, Yu Liu*, Xiaoling Zhang, Hong-Zhong Huang. Sequential preventive maintenance policies with consideration of random adjustment-reduction features. Eksploatacja i Niezawodnosc-Maintenance and Reliability, 2015, 17(2): 306-313. Download

[J22] Yu Liu, Weijie Wang+, Hong-Zhong Huang, Yanfeng Li, Yuanjian Yang. A new simulation model for assessing aircraft emergency evacuation considering passenger physical characteristics. Reliability Engineering and System Safety2014, 121: 187-197. Download

[J21] Fan Zhang+Yu Liu*, Chujie Chen+, Yan-Feng Li, Hong-Zhong Huang. Fault diagnosis of rotating machinery based on kernel density estimation and Kullback-Leibler divergence. Journal of Mechanical Science and Technology, 2014, 28(11): 4441-4454. Download

[J20] Yu Liu, M. Steven Greene, Wei Chen, Dmitriy A. Dikin, Wing Kam Liu. Computational microstructure characterization and reconstruction for stochastic multiscale material design. Computer-Aided Design, 2013, 45(1): 65-76. Download

[J19] Yu Liu, Hong-Zhong Huang, Zhonglai Wang, Yanfeng Li, Yuanjian Yang. A joint redundancy and imperfect maintenance strategy optimization for multi-state systems. IEEE Transactions on Reliability, 2013, 62(2): 368-378. Download

[J18] Yu Liu, Hong-Zhong Huang, Dan Ling. Reliability prediction for evolutionary product in the conceptual design phase using neural network-based fuzzy synthetic assessment. International Journal of Systems Science, 2013, 44(3): 545-555. Download

[J17] Hong-Zhong Huang, Yu Liu, Yanfeng Li, Lihua Xue, Zhonglai Wang. New evaluation methods for conceptual design selection using computational intelligence techniques. Journal of Mechanical Science and Technology, 2013, 27(3): 733-746. Download

[J16] Yu Liu, Hong-Zhong Huang, Xiaoling Zhang. A data-driven approach to selecting imperfect maintenance models. IEEE Transactions on Reliability, 2012, 61(1): 101-112. Download

[J15] Yu Liu, Hong-Zhong Huang, Zhonglai Wang, Yan-Feng Li, Xiao-Ling Zhang. Joint optimization of redundancy and maintenance staff allocation for multi-state series-parallel systems. Eksploatacja i Niezawodnosc-Maintenance and Reliability, 2012, 14(4): 312-318. Download

[J14] Hua Deng, Yu Liu, Donghai Gai, Dmitriy A. Dikin, Karl W. Putz, Wei Chen, L. Catherine Brinson, Craig Burkhart, Mike Poldneff, Bing Jiang, George J. Papakonstantopoulos. Utilizing real and statistically reconstructed microstructures for the viscoelastic modeling of polymer nanocomposites. Composites Science and Technology, 2012, 72(14): 1725-1732. Download

[J13] Fenfen Xiong, Yu Liu, Shuxing Yang. A new probabilistic distribution matching PATC formulation using polynomial chaos expansion. Engineering Optimization, 2012, 44(7): 843-858. Download

[J12] Fenfen Xiong, Yu Liu, Ying Xiong, Shuxing Yang. A double weighted stochastic response surface method for reliability analysis. Journal of Mechanical Science and Technology, 2012, 26(8): 2573-2580. Download

[J11] Yu Liu, Wei Chen, Paul Arendt, Hong-Zhong Huang. Toward a better understanding of model validation metrics. Journal of Mechanical Design-Transactions of The ASME, 2011, 133(7): 071005. Download

[J10]  Yu Liu, Yanfeng Li, Hong-Zhong Huang, Yuanhui Kuang. An optimal sequential preventive maintenance policy under stochastic maintenance quality. Structure and Infrastructure Engineering, 2011, 7(4): 315-322. Download

[J9]  Yu Liu, Hong-Zhong Huang. Optimal replacement policy for fuzzy multi-state element. Journal of Multiple-Valued Logic and Soft Computing, 2011, 17(1): 69-92. Download

[J8]  M. Steven Greene, Yu Liu, Wei Chen, Wing Kam Liu. Computational uncertainty analysis in multiresolution materials via stochastic constitutive theory. Computer Methods in Applied Mechanics and Engineering, 2011, 200(1-4): 309-325. Download

[J7]  Yu Liu, Xiaolei Yin, Paul Arendt, Wei Chen, Hong-Zhong Huang. A hierarchical statistical sensitivity analysis method for multilevel systems with shared variables. Journal of Mechanical Design-Transactions of The ASME, 2010, 132(3): 031006. Download

[J6]  Yu Liu, Hong-Zhong Huang. Reliability assessment for fuzzy multi-state systems. International Journal of Systems Science, 2010, 41(4): 365-379. Download

[J5]  Yu Liu, Yanfeng Li, Hong-Zhong Huang, Ming J. Zuo, Zhanquan Sun. Optimal preventive maintenance policy under fuzzy Bayesian reliability assessment environments. IIE Transactions, 2010, 42(1): 101-112. Download

[J4]  Yu Liu, Hong-Zhong Huang. Optimal replacement policy for multi-state system under imperfect maintenance. IEEE Transactions on Reliability, 2010, 59(3): 483-495. Download

[J3]  Yu Liu, Hong-Zhong Huang. Optimal selective maintenance strategy for multi-state systems under imperfect maintenance. IEEE Transactions on Reliability, 2010, 59(2): 356-367. Download

[J2]  Yu Liu, Hong-Zhong Huang. Comment on"A framework to practical predictive maintenance modeling for multi-state systems"by Tan C.M. and Raghavan N. [Reliab Eng Syst Saf 2008; 93(8):1138–50]. Reliability Engineering and System Safety, 2009, 94(3): 776-780. Download

[J1]  Yu Liu, Hong-Zhong Huang, Gregory Levitin. Reliability and performance assessment for fuzzy multi-state elements. IMechE Part O: Journal of Risk and Reliability, 2008, 222(4): 675-686. Download


  • Domestic Journal Papers (+ denotes my students)

[D3] 陈一明+, 姜涛+刘宇*. 选择性维护决策的研究进展与挑战. 运筹学学报, 2019, 23(3): 27-46.

[D2] 夏侯唐凡+刘宇*, 张皓冬+, 张成林. 考虑认知不确定性的多状态系统Birnbaum重要度分析方法. 机械工程学报, 2018, 54(8): 223-232.

[D1] 刘宇*, 李翔宇+, 张小虎+. 考虑载荷动态分配机制的多状态系统可靠性建模及优化. 机械工程学报, 2016, 52(6): 197-205.


  • Books

[B1] 熊芬芬, 杨树兴, 刘宇, 陈世适. 工程概率不确定性分析方法. 北京: 科学出版社, 2015.


  • Book Chapters (+ denotes my students)

[BC6] Tao Jiang+, Yi-Xuan Zheng+, Yu Liu. Bayesian networks in reliability modeling and assessment of multi-state systems. In: Stochastic Models in Reliability, Network Security and System Safety: Celebrating the 80th Birthday of Professor Jinhua Cao (Editors:  Q.L. Li, J. Wang, H. Yu), Springer, 2019. (Forthcoming)

[BC5] Yu Liu, Tangfan Xiahou+, Tao Jiang+. Selective maintenance optimization under uncertainties. In: Multicriteria Decision Models and Optimization for Risk, Reliability, and Maintenance Decision Analysis - Recent Advances (Editors:  A.T. de Almeida, L. Ekenberg, P. Scarf, E. Zio, M.J. Zuo), Springer, 2019. (Forthcoming)

[BC4] Yu Liu, Tao Jiang+, Peng Lin+. Optimal testing resources allocation for improving reliability assessment of non-repairable multi-state systems. In: Recent Advances in Multi-State Systems Reliability: Theory and Applications (Editors: A. Lisnianski,  I. B. Frenkel, A. Karagrigoriou), Springer, 2018: 241-264. (Chapter 13)

[BC3] Yu Liu, Chen-Yao Yan+, Fan Zhang+. Fault diagnosis and health assessment for rotating machinery based on kernel density estimation and Kullback-Leibler divergence. In: Fault Diagnosis and Detection (Editors: M. Demetgul, M. Ünal), InTech, 2017: 153-174. (Chapter 6)

[BC2] Mayank Pandey, Yu Liu, Ming J. Zuo. Selective maintenance for complex systems considering imperfect maintenance efficiency. In: Reliability Modeling with Applications Essays in Honor of Professor Toshio Nakagawa on His 70th Birthday (Editors: S. Nakamura, C. H. Qian, M. Chen), World Scientific, 2013: 17-49. (Chapter 2)

[BC1] Yu Liu, Hong-Zhong Huang, Shun-Peng Zhu, Yan-Feng Li. A practice of imperfect maintenance model selection for diesel engines. In: Applied Reliability Engineering and Risk Analysis: Probabilistic Models and Statistical Inference (Editors: I. B. Frenkel, A. Karagrigoriou, A. Lisnianski, A. Kleyner), John Wiley & Sons, 2013: 231-245. (Chapter 17)


  • Conference Papers (+ denotes my students)

[C14] Tangfan Xiahou+Yu Liu*. Reliability assessment of multi-state systems by multi-source of imprecise reliability data. 2019 Annual Reliability and Maintainability Symposium, Orlando, FL, USA, Jan 28-31, 2019, ID93

[C13] Boyuan Zhang+Yu Liu*, Tangfan Xiahou+. Optimization of multi-level inspection strategy for multi-state systems. 2019 Annual Reliability and Maintainability Symposium, Orlando, FL, USA, Jan 28-31, 2019, ID140

[C12] Tangfan Xiahou+Yu Liu*. Imprecise information fusion for reliability assessment of systems under the Belief functions framework: a two-stage optimization approach. 2018 Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling & 2018 International Conference on Quality, Reliability, Risk, Maintenance, and Safety Engineering, Qingdao, Shandong, China, August 21-24, 2018, ID2018-0005-0634. (Best Paper Award)

[C11] Tao Jiang+Yu Liu*. Robust selective maintenance strategy under imperfect observations. 2018 Annual Reliability and Maintainability Symposium, Reno, NV, USA, Jan 22-25, 2018, ID123

[C10] Tao Jiang+Yu Liu*. Parameter inference for multi-state degraded systems with multi-level observation data. The 3rd International Conference on Materials and Reliability, Jeju, Korea, Nov 23-25, 2015. (Best Student Paper Award

[C9] Yu Liu, Ming J. Zuo, Hong-Zhong Huang. Dynamic reliability assessment for multi-state degraded systems. 2013 Prognostics and System Health Management (PHM) Conference, Politecnico di Milano, Milano, Italy, Sept 9-11, 2013, 535-540

[C8] Yu Liu, M. Steven Greene, Wei Chen, Dmitri Dikin, Wing Kam Liu. Microstructure reconstruction for stochastic multiscale material design. ASME International Design Engineering Technical Conferences & Computers and Information in Engineering Conference, Washington DC, USA, Aug 28-31, 2011, DETC2011-48323

[C7] Yu Liu, Hong-Zhong Huang, Xiaoling Zhang. Data-driven approach for imperfect maintenance model selection. 2011 Annual Reliability and Maintainability SymposiumLake Buena Vista, Florida, USA, Jan 24-27, 2011, 7D-3

[C6] M. Steven Greene, Yu Liu, Wei Chen, Wing Kam Liu, Hong-Zhong Huang. Enabling integrated material and product design under uncertainty through stochastic constitutive relations. ASME International Design Engineering Technical Conferences & Computers and Information in Engineering Conference, Montreal, Quebec, Canada, Aug 15-18, 2010, DETC2010-28917

[C5] Yu Liu, Wei Chen, Paul Arendt, Hong-Zhong Huang. Towards a better understanding of validation metrics. The 13th AIAA/ISSMO Multidisciplinary Analysis Optimization Conference, Fort Worth, Texas, USA, Sept 13-15, 2010, AIAA-2010-9240

[C4] Yu Liu, Hong-Zhong Huang. Optimization of multi-state elements replacement policy for multi-state systems. 2010 Annual Reliability and Maintainability Symposium, San Jose, California, USA, Jan 25-28, 2010, 02D-02

[C3] Yu Liu*, Xiaolei Yin, Paul Arendt, Wei Chen, Hong-Zhong Huang. An extended hierarchical statistical sensitivity analysis method for multilevel systems with shared variables. ASME International Design Engineering Technical Conferences & Computers and Information in Engineering Conference, San Deigo, California, USA, Aug 30-Sept 2, 2009, DETC2009-87434

[C2] Yu Liu, Hong-Zhong Huang, Ming J. Zuo. Optimal selective maintenance for multi-state system under imperfect maintenance. 2009 Annual Reliability and Maintainability Symposium, Fort Worth, Texas, USA, Jan 26-30, 2009, 11C-4

[C1] Yu Liu, Hong-Zhong Huang, Hoang Pham. Reliability evaluation of systems with degradation and random shocks. 2008 Annual Reliability and Maintainability Symposium, Las Vegas, Nevada, USA, Jan 28-31, 2008, 12A2