发明人：吴维，韦春辉，侯潇男，高鑫，罗俊林，苑士华

申请日期：2022.08.15

摘要：本发明公开一种高速低噪音新能源汽车轴承保持架，保持架设在轴承内圈和轴承外圈之间，轴承内圈、轴承外圈之间的若干滚动体接触安装在保持架内；保持架包括若干组呈环形设置的保持组件，相邻两组保持组件之间设置有强筋交叉骨架，相邻两组保持组件之间通过强筋交叉骨架固定连接；保持组件上固定连接有若干引导凹耳，引导凹耳 ...

发明人：吴维，韦春辉，侯潇男，罗俊林，苑士华

申请日期：2022.08.25

摘要：本发明公开一种自主调控润滑流场高效润滑轴承，包括自主调控外圈，自主调控外圈内部设置有内圈，自主调控外圈内侧与内圈外侧之间设置有流场控制机构；流场控制机构包括自主调控保持架，自主调控保持架开设有若干兜孔，每个兜孔内均滚动设置有球，球与自主调控外圈内侧、内圈外侧滚动接触，自主调控保持架一端设置有若干导流 ...

发明人：尹旭峰，许瑶，李雪原，苑士华

申请日期：2022.05.30

摘要：本申请公开了一种基于轮毂螺栓的车轮多维力测量方法和系统，通过采集待测试轮力数据并搭建轮毂螺栓应变桥设计模型；基于所述待测试轮力数据和所述轮毂螺栓应变桥设计模型进行数据预处理，获取预处理轮力数据结果；基于所述预处理轮力数据结果，进行车轮‑轮毂螺栓一体化的多维力测量，获取多维力测量结果数据；基于所述多维 ...

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

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：Liu, Kun¹;Wu, Wei¹;Yuan, Shihua¹; （¹National Key Laboratory of Vehicular Transmission, Beijing Institute of Technology, Room 412, Building 9, Beijing, 100081, China）

出处：Nonlinear Dynamics 2022

关键词：MESH STIFFNESS;MODEL;DYNAMICS;SYSTEM;GEARS

摘要：Electromagnetic torque reversal may lead to gear impact during regenerative braking of electric vehicles. To simulate the dynamic response of gear tra ...

作者：Jian Zhang;Junjie Zhou;Shihua Yuan;Chongbo Jing （¹ Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing, Beijing, 100081, CHINA. ² Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing, Beijing, Beijing, 100081, CHINA.）

出处：Bioinspiration & biomimetics 2022

关键词：flexible fins;mechanics Model;movement mechanism;propulsion force;traveling wave propulsion.

摘要：This paper presents the motion principle, mechanical modeling, and key characteristics of the propulsion force of a new flexible fin traveling wave pr ...

作者：Wei, Chunhui¹;Wu, Wei¹;Gui, Peng²;Zou, Tiangang²;Yuan, Shihua¹;Zhou, Junjie¹; （¹National Key Laboratory of Vehicular Transmission, Beijing Institute of Technology, Beijing, China;²China North Vehicle Research Institute, Beijing, China）

出处：Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 2022

关键词：AXIAL PISTON PUMP;FLOW

摘要：The power losses of the hydraulic pump in engineering vehicle include mechanical losses, churning losses, and volume losses. The proportion of churnin ...

发明人：吴维，韦春辉，侯潇男，苑士华，李鑫勇

申请日期：2022.06.13

摘要：本发明属于轴承领域，尤其涉及一种仿鲨鱼皮微结构高转速低功耗功能保持架，包括功能保持架，功能保持架周向等间距开设有与滚动体相适配的若干兜孔，功能保持架的一端面设置为轴承进油侧，功能保持架的另一端面设置为轴承出油侧，靠近轴承进油侧外圈周向等间距设置有若干减阻区，靠近轴承进油侧内圈周向等间距设置有若干引流 ...

发明人：李春明，吴维，李慎龙，高鑫，苑士华，李博，李鑫勇

申请日期：2021.01.08

摘要：本发明涉及一种基于泛函的有级传动速比优化方法及系统，涉及推进系统参数优化技术领域，该方法包括根据获取的整车动力学参数确定加速时间性能泛函的约束条件；根据获取的加速性能指标和动力性加权系数集合，对加速时间性能泛函进行动力性加权，以得到加速性综合目标函数；以加速性综合目标函数的最小值为目标，以加速时间性 ...

作者：Wei Li;Xiaolong Li;Chuanwen Sun;Rui Sun;Tianyi Hu;Shuowen Wang;Shihua Yuan;Wen Zhang;Muhammad Imran Lashari （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China;²Refractory Materials Research Central, Northwest Institute for Non-Ferrous Metal Research, Xi\'an, 710016, China）

出处：Materials Characterization 2023

关键词：Selective-laser-melted superalloy;Elevated temperature;Subsurface fatigue cracking;Microstructure characteristics;Dislocation structures

摘要：Subsurface fatigue cracking behavior related to microstructure characteristics at 650 °C of a selective-laser-melted as-deposited superalloy was exper ...