苑士华
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 ...
作者: Yuzheng Zhu1;Xueyuan Li1;Xing Zhang2;Songhao Li1;Qi Liu1;Shihua Yuan1; (1National Key Laboratory of Vehicular Transmission, Beijing Institute of Technology, Beijing 100081, China;2No. 208 Research Institute of China Ordnance Industies, Beijing 102202, China)
出处: Machines 2022 Vol.10 No.1015 P1015
关键词: skid-steered wheeled vehicle;PSO;EFRLS;tire parameters identification;road adhesion coefficient
摘要: Skid-steered wheeled vehicles can be applied in military, agricultural, and other fields because of their flexible layout structure and strong passabi ...
作者: Liu, Qi1; Li, Xueyuan1; Li, Zirui1, 2; Wu, Jingda3; Du, Guodong1, 4; Gao, Xin1; Yang, Fan1; Yuan, Shihua1 (1School of Mechanical Engineering, Beijing Institute of Technology, Beijing, China;2Chair of Traffic Process Automation, 'Friedrich List' Faculty of Transport and Traffic Sciences, TU Dresden, Germany;3School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore; 639798, Singapore;4Institute of Dynamic System and Control, ETH Zurich, Zurich, Switzerland)
出处: arXiv 2022
作者: Wu, Wei1; Luo, Junlin1; Zou, Tiangang1; Liu, Yin1; Yuan, Shihua1; Xiao, Bingqing1 (1National Key Laboratory of Vehicular Transmission, Beijing Institute of Technology, Beijing; 100081, China)
出处: Energy 2022
作者: Liu, Kun1; Wu, Wei1; Yuan, Shihua1; Lu, Guocheng2; Chen, Xiaolong2 (1National Key Laboratory of Vehicular Transmission, Beijing Institute of Technology, Room 412, Building 9, Beijing; 100081, China;2Chongqing Changan Automobile Co., Ltd, Chongqing; 400000, China)
出处: Journal of Sound and Vibration 2022
发明人: 尹旭峰,许瑶,李雪原,苑士华
申请人: 北京理工大学
申请号: 202210602421.6
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 ...
发明人: 尹旭峰,阚沁茹,李梦凯,李雪原,苑士华
申请人: 北京理工大学
申请号: 202210657895.0
申请日期: 2022.06.10
摘要: 本发明公开了一种摇臂式机动平台自主越台阶障碍方法,包括:构建用于跨越台阶障碍的摇臂式机动平台;对摇臂式机动平台设置激光雷达;采集障碍物的轮廓、高度、坡度、位置信息、俯仰角空间变量和摇臂关节空间变量;设计摇臂式机动平台的越障运动步态;对摇臂式机动平台进行跨越障碍的状态分析,获取状态分析结果;基于越障运 ...
作者: Yin, Xufeng1; Li, Weiming1; Li, Xueyuan1; Yuan, Shihua1
出处: 2022 International Conference on Mechanisms and Robotics, ICMAR 2022 Zhuhai, China 2022
发明人: 李春明,吴维,李慎龙,高鑫,苑士华,李博,李鑫勇
申请人: 北京理工大学
申请号: 202110021513.0
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: 陈卓群 (导师:苑士华)
学位名称: 硕士
出处: 北京理工大学 2018
关键词: 动力传动系统;传热特性;功率输出;动力性
摘要: 车辆动力传动系统起着传递功率,驱动车辆行驶的重要作用,其功率输出情况直接影响车辆的动力性。动力传动系统在功率传动过程中存在功率损失,这部分损失以热量的形式产生,并且引起动力传动部件的温升。为此,履带车辆中采用强制散热的冷却系统降低动力传动系统的热负荷,冷却风扇和水泵采用固定的传动比由发动机直接驱动, ...