冉琰，女，工学博士，重庆大学机械与运载工程学院副教授，博士生导师。研究方向为数控机床可靠性、机电产品质量。主持和参与了国家自然科学基金、国家重大专项、国家重点研发计划以及企业横向课题等20余项；获中国机械工业科学技术一等奖2项（排名第5 和13）；在国内外重要期刊发表论文80余篇，其中SCI 40余篇；参编国内外专著3本、教材1本；获16项授权发明专利，3项计算机软件著作权；获VISER出版社《Mechanical Engineering Science》优秀编委。任重庆大学机械传动国家重点实验室固定研究人员，重庆市科学技术协会第五届代表大会代表和第五届委员，重庆工程图学学会党支部书记和理事，中国图学学会理论图学专委会委员，全国高校互换性与测量技术基础研究会理事，台州市院士专家工作站成员，《Mechaincal Engineering》和《机床与液压英文版》期刊编委以及国内外多个期刊审稿专家，IMIOT&ICSEE 2018组委会秘书长，MEMA 2018组委会成员等。作为核心成员参与建设的《工程制图》课程获2020国家线上一流课程（排名第4），获第五届全国高等学校教师图学与机械课程示范教学与创新教学法观摩竞赛图学类一等奖，第八届重庆大学青年教师教学基本功比赛工科类一等奖、教案设计奖，重庆市2021年本科高校微课教学比赛二等奖；指导学生获第八届全国大学生机械创新设计竞赛一等奖，获重庆市赛优秀指导教师；获重庆大学机械学院2020年度“优秀共产党员”称号。教育经历：2013/09-2016/12，重庆大学，机械工程，博士2009/09-2012/06，重庆大学，机械工程（工业工程），硕士2005/09-2009/06，中国计量大学，产品质量工程，本科工作经历：1.2016/12-至今，重庆大学机械工程学院2.2012/07-2013/01，重庆市农业科学院部分主持或参加的科研项目：1.国家自然科学基金青年基金：基于可用性建模的数控机床主动维修决策方法研究，已结题，主持2.国家重大专项子课题：机床绿色节能与可靠性管理修订，已结题，主持3.成果转化项目：一种基于断点模型的数控磨床液压系统故障树分析方法等10项专利实施许可，在研，主持4.中央高校基本科研业务费专项项目：基于元动作单元的数控机床可用性建模方法，已结题，主持5.国家自然科学基金重点项目：复杂机电产品以元动作可靠性为中心的多元质量特性协同设计技术研究，在研，参加6.国家自然科学基金面上项目：基于元动作单元建模的机电产品质量预测控制技术研究，已结题，参加7.国家科技重大专项项目：机床制造过程可靠性保障技术研究与应用, 已结题, 参加部分发表的论文：[1]Zhichao Wang, Yan Ran*, Chuanxi Jin, Yifan Chen, Genbao Zhang. An Additive Consistency and Consensus Approach for Group Decision Making With Probabilistic Hesitant Fuzzy Linguistic Preference Relations and Its Application in Failure Criticality Analysis[J]. IEEE Trans Cybern, 2021,May.[2]Xin Yang, Yan Ran*, Genbao Zhang, Hongwei Wang, Zongyi Mu, Shengguang Zhi. A Digital Twin-driven Hybrid Approach for the Prediction of Performance Degradation in Transmission Unit of CNC Machine Tool[J]. Robotics and Computer-Integrated Manufacturing, 2022, 73: 102230.[3]张生永, 冉琰*, 张根保, 墨菲·艾德里安, 黎新龙. 精度保持性定量评价与精度退化机理分析[J], 机械工程学报, 2021, 1-21.[4]Hui Yu, Yan Ran*, Genbao Zhang, Guangqi Ying. A Dynamic Time-varying Reliability Model for Linear Guides Considering Wear Degradation[J]. Nonlinear Dynamics, 2021, 103 (1): 699-714.[5]Chuanxi Jin, Yan Ran*, Zhichao Wang, et al. Reliability Analysis of Gear Rotation Meta-action Unit Based on Weibull and Inverse Gaussian Competing Failure Process[J]. Engineering Failure Analysis. 2020, 117: 1-16. [6]Xinlong Li, Yan Ran*, Fangming Wan, et al. Condition‑based maintenance strategy optimization of meta-action unit considering imperfect preventive maintenance based on Wiener process[J]. Flexible Services and Manufacturing Journal, 2022, 34: 204–233.[7]Zhichao Wang, Yan Ran*, Xin Yang, Xinlong Li, Yifan Chen, Genbao Zhang. Primary failure mode and effects analysis with function-motion-action hierarchy structure for mechatronic systems[J]. Engineering Failure Analysis. 2021, 130: 105775.[8]Chuanxi Jin, Yan Ran*, Genbao Zhang. Interval-valued Q-rung Orthopair Fuzzy FMEA Application to Improve risk Evaluation Process of Tool Changing Manipulator[J]. Applied Soft Computing, 2021, 104: 1-21.[9]Yifan Chen, Yan Ran*, Zhichao Wang, Xinlong Li, Xin Yang, Genbao Zhang. Meta-action Reliability-Based Mechanical Product Optimization Design Under Uncertainty Environment[J]. Engineering Applications of Artificial Intelligence, 2021, 100: 1-12. [10]Xinlong Li, Yan Ran*, Genbao Zhang, Yan He. A Failure Mode and Risk Assessment Method Based on Cloud Model[J]. Journal of Intelligent Manufacturing, 2020, 31(8): 1339-1352. [11]Ran, Yan*, Zhang, Teng, Mu, Zongyi, et al. Quality characteristic decoupling planning of different meta-action units for computer numerical control machine tool[J]. Proceedings of the Institution of Mechanical Engineers - Part C: Journal of Mechanical Engineering Science, 2020, 234(14): 2760-2770. [12]Hui Yu, Genbao Zhang, Yan Ran*, Mengqi Li, Dexuan Jiang, Yuanqing Chen. A Reliability Allocation Method for Mechanical Product Based on Meta-Action[J]. IEEE Transactions on Reliability, 2020, 69 (1): 373-381.[13]Chuanxi Jin, Yan Ran*, Zhichao Wang, Genbao Zhang. Prioritization of Key Quality Characteristics with the Three-dimensional HoQ Model-based Interval-Valued Spherical Fuzzy-ORESTE Method[J]. Engineering Applications of Artificial Intelligence, 2021, 104(87): 1-18.[14]Bin Yang, Genbao Zhang, Yan Ran*, Hui Yu. Kinematic Modeling and Machining Precision Analysis of Multi-axis CNC Machine tools Based on Screw Theory[J]. Mechanism and Machine Theory, 2019, 140: 538-552. Genbao Zhang, Yan Ran, Yang Wang & Tian Gao. Composite error prediction of multistage machining processes based on error transfer mechanism [J]. Int J Adv Manuf Technol, 2015, 76:271–280. [15] G.B. Zhang, Y. Ran & X.L Ren. Study on product quality tracing technology in supply chain [J]. Computers & Industrial Engineering, 2011, 60: 863–871. [16] Yan Ran, Genbao Zhang & Lian Zhang. Quality characteristic association analysis of computer numerical control machine tool based on meta-action assembly unit [J]. Advances in Mechanical Engineering, 2016, 8(1): 1–10. [17] Yan Ran, Genbao Zhang & Jihong Pang. Research on assembly reliability control technology for computer numerical control machine tools [J]. Advances in Mechanical Engineering, 2017, 9(1): 1-12.[18] Genbao Zhang, Yan Ran & Dongmei Luo. Study on quality prediction technology of manufacturing supply chain [J]. International Journal of Information Systems and Supply Chain Management, 2015, 8(4): 44-62.[19] 张根保, 冉琰. 基于模糊物元的小批量生产典型工序能力分析 [J]. 机械工程学报, 2015, 51(23): 116-122. [20]冉琰, 姚梦生, 张根保, 肖莉明, 李清香, 张威. 一种基于断点模型的数控磨床液压系统故障树分析方法: 中国, ZL201710443498.2[P]. 2020-09-01.[21]肖莉明, 冉琰, 周伟, 姚梦生, 李清香. 基于元动作单元的任务可靠性预计分析方法: 中国, ZL201710374803.7[P]. 2020-05-22.[22]黄广全, 冉琰, 鞠萍华, 张威, 蒋德轩, 庾辉. 一种基于元动作分解的托盘交换架装配工艺: 中国, ZL201710283737.2[P]. 2019-04-26[23]王治超, 张根保, 冉琰, 庾辉, 王宏伟, 金传喜, 朱晓, 杨欣, 陈一凡. 一种基于元动作单元和整合主客观权重的数控机床精度评估方法及寿命预测方法: 中国, ZL201910561401.7[P]. 2020-12-15.[24]陈一凡, 张根保, 冉琰, 王治超, 李健, 庾辉. 面向元动作的机械系统可靠性分配模糊方法: 中国, ZL201910995841.3 [P]. 2021-05-25.[25]张根保,冉琰,李冬英等.一种柔性制造系统物流小车早期故障检测方法[P].中国: 201410807363.6, 2017-04-26.[26] 张根保,冉琰,李冬英等.一种柔性制造系统清洗机早期故障检测方法[P].中国: 201410807562.7, 2017-01-04.[27] 张根保, 蔡亚超, 刘雁, 冉琰等. 一种卧式加工中心端齿盘B轴转台的装配方法[P]. 中国: 201610078815.0, 2017-07-25.