丁晓宇
发明人: 高东武,丁晓宇,贾铎,刘博
申请人: 北京理工大学,中国航发沈阳发动机研究所
申请号: 202410810710.4
申请日期: 2024.06.21
摘要: 本申请提供一种台阶外螺纹测量方法和测量工具,台阶外螺纹测量工具包括螺纹段TH1、螺纹段TH2、螺纹段ZH1、螺纹段ZH2和螺纹段ZH3;其中,螺纹段TH1用于判断第三牙侧轮廓线、第二牙侧轮廓线和第五牙侧轮廓线是否超出公差带范围;螺纹段TH2用于判断第一牙侧轮廓线和第五牙侧轮廓线是否超出公差带范围;螺 ...
发明人: 高东武,丁晓宇,贾铎,刘博
申请人: 北京理工大学,中国航发沈阳发动机研究所
申请号: 202410601075.9
申请日期: 2024.05.15
摘要: 本申请提供一种台阶内螺纹测量方法和测量工具,台阶内螺纹测量工具包括螺纹段TS1、螺纹段TS2、螺纹段ZS1、螺纹段ZS2和螺纹段ZS3;其中,螺纹段TS1用于判断第一牙侧轮廓线、第二牙侧轮廓线和第五牙侧轮廓线是否超出公差带范围;螺纹段TS2用于判断第三牙侧轮廓线和第五牙侧轮廓线是否超出公差带范围;螺 ...
作者: Liu, Haichao1;Zhang, Haibo2;Ding, Xiaoyu2 (1Chinese Acad Sci, State Key Lab Solid Lubricat, Lanzhou Inst Chem Phys, Lanzhou 730000, Peoples R China.;2Beijing Inst Technol, Sch Mech Engn, Beijing 100081, Peoples R China.)
出处: LUBRICANTS 2024 Vol.12 No.5
作者: Li, Huarui1;Qiao, Tingqiang2;Ding, Xiaoyu1 (1Beijing Inst Technol, Sch Mech Engn, Beijing 100081, Peoples R China.;2AECC Shenyang Engine Res Inst, Shenyang 110015, Peoples R China.)
出处: HELIYON 2024 Vol.10 No.7
关键词: LIQUID WATER TRANSPORT; COMPRESSION; PERMEABILITY; MICROSTRUCTURE; PERFORMANCE; PRESSURE; POROSITY; VOLUME
摘要: In X-ray computed tomography (CT) reconstructions of gas diffusion layers (GDLs), grayscale threshold selection is a critical issue. Although various ...
作者: Feiyuan Xing1;Ziquan Yan2;Xiaoyu Ding1; (1School of Mechanical Engineering, Beijing Institute of Technology, Beijing, China 2Railway Engineering Research Institute, China Academy of Railway Sciences Corporation, Ltd., Beijing, China)
出处: IEEE Transactions on Industrial Informatics 2024 Vol.20 No.3 P4473-4480
关键词: Vibrations;Gears;Synchronization;Deep learning;Residual neural networks;Monitoring;Data integration;Residual Network;Structural Health Monitoring;Deep Residual Network;Vibration-based Structural Health Monitoring;Training Data;Accelerometer;Accurate Identification;Structural Damage;Structural Conditions;Temporal Domain;Actual Scenario;Vibration Signals;Single Video;ResNet Model;Training Set;Deep Learning;Convolutional Neural Network;Horizontal Plane;Data Matrix;Row Vector;Synchronous Events;Sensor Pixel;L Matrix;Damage State;Decision-level Fusion;Synchronization Signal;Data Fusion;Motion Field;Multiple Zones;Gabor Filters
摘要: In recent years, deep residual networks (ResNets) have been successfully used to detect structural damage. However, the performance of ResNets greatly ...
作者: Li, Huarui1; Qiao, Tingqiang2; Ding, Xiaoyu1 (1School of Mechanical Engineering, Beijing Institute of Technology, Beijing; 100081, China;2AECC Shenyang Engine Research Institute, Shenyang; 110015, China)
出处: Journal of Power Sources 2024
作者: Wang,Runliang1;Liu,Jianhua1;Liu,Bo2;Jia,Duo2;Ding,Xiaoyu1; (1School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China;2AECC Shenyang Engine Research Institution, Shenyang, 110000, China)
出处: Friction 2024 Vol.12 No.11 P2519-2531
摘要: The real contact area (RCA) of randomly rough contacts has received a great deal of attention because it correlates strongly with friction, lubricatio ...
发明人: 丁晓宇,宋一兴
申请人: 长春仟邦测试设备有限公司,北京理工大学
申请号: 202310841819.X
申请日期: 2023.07.11
摘要: 本发明公开了一种管接头扭拉关系及摩擦系数测量方法,采用限位装置与第二本体相连,限制第一本体与第二本体的轴向相对位置,使它们不会相互挤压,这样拧紧螺纹所产生的预紧力便会传递给外部的拉扭复合传感器。通过扭矩传感器与第一本体相连,限制第一本体朝第二本体的方向移动和旋转,并测量第一本体作用在拉扭复合传感器上 ...
发明人: 丁晓宇
申请人: 北京理工大学
申请号: 202311365995.7
申请日期: 2023.10.20
摘要: 本申请提供一种台阶螺纹加工方法和加工刀具,方法包括:对被加工件的柱面或锥面进行第一阶段加工,以在被加工件上形成传统螺纹;其中,柱面或锥面为被加工件的被加工面;对第一阶段加工得到的传统螺纹进行第二阶段加工;以在传统螺纹的一个牙侧上加工出台阶状结构,从而形成台阶螺纹。本申请提供的方法可实现第一阶段加工和 ...
发明人: 丁晓宇,宋一兴
申请人: 长春仟邦测试设备有限公司,北京理工大学
申请号: 202321802805.9
申请日期: 2023.07.11
摘要: 本实用新型公开了一种管接头扭拉关系及摩擦系数测量装置,采用限位装置与第二本体相连,限制第一本体与第二本体的轴向相对位置,使它们不会相互挤压,这样拧紧螺纹所产生的预紧力便会传递给外部的拉扭复合传感器。通过扭矩传感器与第一本体相连,限制第一本体朝第二本体的方向移动和旋转,并测量第一本体作用在拉扭复合传感 ...