作者： Hu,Tianyi¹;Li,Wei¹²;Yuan,Shihua¹;Zhang,Yucheng¹;Li,Xiaolong¹;Cai,Liang¹;Mo,Zhenglin¹;Li,Cheng¹; （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China;²State Key Laboratory of Powder Metallurgy, Central South University, Changsha, 410083, China）

出处： Materials Today Communications 2022 Vol.33

摘要： The fatigue test at high-temperature of selective laser melting Ni-based superalloy was performed to reveal the mechanism of interior cracking behavio ...

作者： Li, Xiaolong¹; Li, Wei¹; Yuan, Shihua¹; Sakai, Tatsuo²; Cai, Liang¹; Zhang, Yucheng¹; Li, Cheng¹; （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing; 100081, China;²College of Science and Engineering, Ritsumeikan University, Kusatsu, 5258577, Japan）

出处： Vacuum 2022 Vol.203 No.0

关键词： Ni-based superalloy;Fatigue property;High temperature;Interior cracking;Crystal structure;Interior failure mechanism

摘要： Tension-tension fatigue tests at 750 °C were performed to state on fatigue structure-properties of Ni-based superalloy in long-life regime under high ...

作者： Li, Cheng¹; Li, Wei¹; Yuan, Shihua¹; Li, Xiaolong¹; Cai, Liang¹; Zhang, Yucheng¹; Hu, Tianyi¹; Mo, Zhenglin¹; Lashari, Muhammad Imran¹; Hamid, Usama¹ （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing, China）

出处： Fatigue and Fracture of Engineering Materials and Structures 2022 Vol.Vol.45 No.No.12 P3677-3691

作者： Chunhui Wei;|Wei Wu;|Xiaonan Hou;|Shihua Yuan （¹National Key Laboratory of Vehicular Transmission, Beijing Institute of Technology, Beijing, P. R. China）

出处： Tribology Transactions 2022 Vol.65 No.5 P942-951

关键词： MPS method;ball bearings;oil bath lubrication;oil content;oil distribution

摘要： Bearing is the core component of high-end equipment. The bearing needs to be lubricated by oil and take away heat during operation. Lubrication is the ...

作者： Zhang, Yucheng¹; Li, Xiaolong¹; Yuan, Shihua¹; Li, Wei¹ （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing; 100081, China）

出处： SSRN 2022

作者： Yancong Li¹;Shihua Yuan¹;Wei Wu¹;Kun Liu¹;Chunpeng Lian¹;Xintao Song¹; （¹National Key Laboratory of Vehicular Transmission, Beijing Institute of Technology, Beijing 100081, China）

出处： Machines 2022 Vol.10 No.1052 P1052

关键词： crack fault;stiffness;helical transmission;dynamic model;vibration characteristics;fault diagnosis

摘要： The crack fault has an important influence on the vibration characteristics of the transmission system. This paper is devoted to analyzing fault mecha ...

作者： Xiaolong Li¹;Wei Li¹;CA1;Tianyi Hu¹;Shihua Yuan¹;Yucheng Zhang¹;Cheng Li¹;Liang Cai¹;Tatsuo Sakai²;Muhammad Imran Lashari¹;Usama Hamid¹; （¹School of Mechanical Engineering, Beijing Institute of Technology, 100081 Beijing, China;²College of Science and Engineering, Ritsumeikan University, Kusatsu, 5258577, Japan）

出处： Theoretical and Applied Fracture Mechanics 2022 Vol.123 P103705

摘要： Asymmetric load tests with stress ratio of 0.1 at 25 °C, 750 °C and 1000 °C were performed to investigate the high-cycle and very-high-cycle fatigue p ...

作者： Zhang, Yucheng¹; Li, Xiaolong¹; Yuan, Shihua¹; Sun, Rui¹; Sakai, Tatsuo²; Lashari, Muhammad Imran¹; Hamid, Usama¹; Li, Wei¹ （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing; 100081, China;²College of Science and Engineering, Ritsumeikan University, Kusatsu; 5258577, Japan）

出处： International Journal of Mechanical Sciences 2022

作者： Hu, Tianyi¹; Li, Wei¹; Sun, Rui¹; Yuan, Shihua¹; Zhang, Yucheng¹; Li, Xiaolong¹; Cai, Liang¹; Li, Cheng¹; Sakai, Tatsuo²; Mo, Zhenglin¹; Lashari, Muhammad Imran¹; Hamid, Usama¹; （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing; 100081, China;²College of Science and Engineering, Ritsumeikan University, Kusatsu; 5258577, Japan）

出处： SSRN 2022

摘要： Combined with multiple testing technologies including 2D & 3D microscopic imaging, electron backscattered diffraction and transmission electron micros ...

发明人： 李雪原，刘琦，李子睿，杨帆，高鑫，苑士华

申请人： 北京理工大学

申请号： 202211337217.2

申请日期： 2022.10.28

摘要： 本发明涉及一种用于混合交通环境行为决策的模块化图强化学习系统，包括：混合交通环境模块：用于提供混合交通运行环境，并将环境状态发送至图表征模块；图表征模块：用于通过环境状态生成节点特征矩阵和邻接矩阵；图强化学习模块：用于接收节点特征矩阵和邻接矩阵，并进行处理，生成驾驶策略；合作驾驶行为模块：基于驾驶策 ...