苑士华
发明人: 吴维,侯潇男,段仪征,苑士华
申请人: 北京理工大学
申请号: 202310040941.7
申请日期: 2023.01.11
摘要: 本发明公开一种高压配流盘空化可视化试验装置,包括上盖,上盖底部中心抵接有透明机构,上盖底部可拆卸连接有底座,底座中心开设有沉槽,透明机构位于沉槽内。本发明通过观察沉槽内的透明机构进而观察空化现象,并且可以进行较高负载压力下的可视化试验,从而可以探究不同负载压力下的空化现象,进而提高轴向柱塞泵的效率和 ...
作者: Wei,Chunhui12;Wu,Wei1;Hou,Xiaonan1;Nelias,Daniel2;Yuan,Shihua1;
出处: 10th International Symposium on Turbulence, Heat and Mass Transfer, THMT 2023 Rome 2023
摘要: This paper employs the Moving Particle Semi-implicit (MPS) numerical calculation method to simulate the oil distribution of oil-jet lubricated bearing ...
作者: 罗俊林1,2;,吴维1;,邹天刚2;,苑士华1;,韦春辉1; (1北京理工大学车辆传动重点实验室;2中国北方车辆研究所)
出处: 机械工程学报 2023 第59卷 第16期 P254-262
关键词: 液压驱动;加速过程;泵马达控制;动态特性
摘要: 针对配备双变量机构的静液压驱动车辆,以实现车辆最大加速能力为目标,对车辆加速过程变量机构控制策略和系统动态特性进行研究。首先从理论上分析实现车辆最大加速能力的驱动系统理想输出特性,得到泵、马达排量随马达转速的变化关系。进一步分析静液压驱动系统容积效率对车辆加速性能的影响,得到实际控制量与理论控制量之 ...
作者: 张建,周俊杰,苑士华,荆崇波 (北京理工大学机械与车辆学院特种车辆研究所)
出处: 机器人 2023 第45卷 第3期 P367-384
关键词: 水陆两栖仿生机器人;仿生学;本体构形;运动机理;建模与控制
摘要: 从水陆两栖机器人本体构形、推进动力学建模、多环境运动控制等方面对水陆两栖机器人近期的研究现状进行综述。首先,按照两栖机器人结构类型将两栖机器人分为腿式推进、轮腿/鳍复合式推进、蛇形推进、球形两栖机器人等;然后,介绍两栖机器人在水、陆环境中推进的动力学建模方法,以及目前常用于水陆两栖机器人的多环境运动 ...
作者: Li,Yancong1;Yuan,Shihua1;Wu,Wei1;Song,Xintao1;Liu,Kun1;Lian,Chunpeng1; (1National Key Laboratory of Vehicular Transmission, Beijing Institute of Technology, Beijing, 100081, China)
出处: Machines 2023 Vol.11 No.7
摘要: Sliding friction is an important excitation for the vibration and noise of a transmission system. However, in cases where the helix angle of the helic ...
作者: Wei, Chunhui1,2;Wu, Wei1,3;Hou, Xiaonan1;Nelias, Daniel2;Yuan, Shihua1 (1Beijing Inst Technol, Natl Key Lab Vehicular Transmiss, Beijing 100081, Peoples R China.;2Univ Lyon, INSA Lyon, CNRS, UMR5259,LaMCoS, F-69621 Lyon, France.;3Beijing Inst Technol, Room 412,Bldg 9, Beijing 100081, Peoples R China.)
出处: TRIBOLOGY INTERNATIONAL 2023 Vol.188
关键词: THERMAL PERFORMANCES; BALL-BEARINGS; OIL FLOW; CHAMBERS
摘要: With the development of major equipment towards high power density, the bearing speed is getting higher and higher. In the oil-jet lubrication mode, t ...
作者: Luo, Junlin1, 2; Wu, Wei1; Zou, Tiangang2; Yuan, Shihua1; Wei, Chunhui1 (1National Key Laboratory of Vehicular Transmission, Beijing Institute of Technology, Beijing; 100081, China;2China North Vehicle Research Institute, Beijing; 100072, China)
出处: Jixie Gongcheng Xuebao/Journal of Mechanical Engineering 2023 Vol.59 No.16 P254-262
作者: Wei, Chunhui12;Wu, Wei1;Hou, Xiaonan1;Nelias, Daniel2;Yuan, Shihua1; (1National Key Laboratory of Vehicular Transmission, Beijing Institute of Technology, Beijing, 100081, China;2University Lyon, INSA-Lyon, CNRS, UMR5259, LaMCoS, F-69621, France)
出处: Tribology International 2023 Vol.180
摘要: Special vehicles often work in low temperature environment. Nevertheless, the lubrication flow field and oil distribution of gear in low temperature e ...
作者: Zhang, Jian1; Zhou, Junjie1; Yuan, Shihua1; Jing, Chongbo1 (1Special Vehicle Research Institute, School of Mechanical Engineering, Beijing Institute of Technology, Beijing; 100081, China)
出处: Jiqiren/Robot 2023 Vol.45 No.3 P367-384
作者: Li, Zheng1; Yuan, Shihua1; Yin, Xufeng1; Li, Xueyuan1; Tang, Shouxing1 (1National Key Laboratory of Vehicular Transmission, Beijing Institute of Technology, Beijing; 100081, China)
出处: Sensors 2023 Vol.Vol.23 No.No.2