苑士华
机械与车辆学院
职称：教授
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
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;
出处：Theoretical and Applied Fracture Mechanics 2022
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：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
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 ...
发明人：尹旭峰，阚沁茹，李梦凯，李雪原，苑士华
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 ...
发明人：吴维，韦春辉，侯潇男，苑士华，李鑫勇
申请日期：2022.06.06
摘要：本发明公开一种增强润滑双层高强度低摩擦保持架，包括外圈和位于外圈内的内圈，还包括用于连接外圈与内圈的保持架，保持架上设置有若干球体，其中，保持架，包括上层保持圈和下层保持圈，上层保持圈靠近外圈，下层保持圈靠近内圈，若干球体分别位于上层保持圈与下层保持圈形成的若干容纳件内。本发明能够实现增强润滑双层高 ...
