acceleratio相关论文
By using high-power and high-efficiency propulsion systems,current hybrid electric vehicles(HEVs) in market can achieve ......
Comparison between staggered grid finite difference method and stochastic method in simulating stron
Strong ground motion of an earthquake is simulated by using both staggered grid finite difference method (FDM) and stoch......
Prof.XU Peng,Master advisor and the vice-president of School of Science of North University of China,post-doctoral of Ch......
Conical cam mechanism has been widely used in modern machinery and equipment.However,the commonly used planar expansion ......
The interaction between membrane structures and their environment can be either static or dynamic. Static interaction re......
Dynamic response analysis of damper connected adjacent multi-story structures with uncertain parameters is carried out.A......
In recent years, a series of major earthquakes occurred, which resulted in considerable engineering damage and collapse,......
Exosomes, nano-sized extracellular vesicles secreted by most cell types, are found in all kinds of biological fluids and......
In this paper, a new continuum traffic flow model is proposed, with a lane-changing source term in the continuity equati......
Three passes of plate rolling during vertical-horizontal rolling process are si mulated with explicit dynamicfinite elem......
Multi-type sensor placement and response reconstruction for structural health monitoring of long-spa
This study is devoted to the experimental validation of the multi-type sensor placement and response reconstruction meth......
Approximation approach to the SRM based on root decomposition in the simulation of spatially varying
The spectral representation method(SRM) is widely used to simulate spatially varying ground motions.This study focuses o......
This paper presents a numerical analysis of the dynamic transient behaviors of undersea cables.In this numerical study,t......
We explore the tracking problem of a maneuvering target. Tracking agents with third-order kinematics can communicate wit......
目的 综述国内外飞行人员无症状脑梗死(asymptomatic cerebral infarcts,ACI)的研究现状和进展. 资料来源与选择 国内外公开发表的......
目的缩短可靠性鉴定时间,降低试验费用,形成工程化方法。方法以GJB 899A—2009为依据,根据雷达产品的实际特点,选择合适的定时统计......
为了解周边孔爆破对控制爆破振动速度的影响,以大连玉华220kV线路新建工程2#大里程隧道为例,分析周边孔爆破振动信号。2#大里程隧......
基于FLAC3D数值软件,建立含软弱夹层的顺倾岩质边坡模型,合理考虑地震波输入方式、模型边界条件、网格尺寸和力学阻尼,探究地震作......
目的:探讨产酶促进剂的替代性能,为优化食用菌的生产工艺提供基础原料;方法:以纤维素分子不完全降解物作为产酶促进剂探讨液体培养下杏......
基于两类随机波动率模型研究了欧式期权的价格和敏感性估计问题.在Broadie和Kaya的精确模拟算法基础上,讨论了舍取抽样技术在精确模......
GPS一般不适用于室内环境定位,惯性导航是一种常用的室内定位技术。对此,提出了一种基于iOS平台的行走步长计算方法,通过iOS设备内......
加速响应是主动电磁轴承-刚性转子系统中一个重要的动力学特性,目前对支承在主动电磁轴承上的转子系统动力特性的研究主要以稳态特......
目的跌倒在老年人生活中是一种常见的现象,是致使老年人发病和死亡的主要原因之一。实时的跌倒检测系统能够及时报警,缩短等待救治......
提出一种钟控伪随机序列发生器的加速机制,可以使序列发生器在一个时钟周期内得到前进n步的结果,在硬件实现时使得序列发生器的工作......
本文应用模糊数学方法统一识别来压前兆模糊信息(超前巷道和工作面顶底板移近速度),探讨了来压前兆的基本特征量及隶属函数,找出了......
提出了交流拖动绕线式三相电动机串联多段电阻控制下的加速过程箕斗提升机电系统动力学的时变且非线性的模型,并在此基础上,借助计算......
公路行车舒适性与平面道路线形密切相关,在分析车辆在不同道路线形下运行特性的基础上,提出采用加速度和加速度变化对道路平面线形......
通过引入接触间隙荷载,在荷载项中反映接触状态变化的影响,避免了重新形成接触刚度矩阵,构造了弹性接触问题的常刚度迭代格式.然后......
随着国家路网建设规模的不断扩大,大量铁路隧道或公路隧道出现了近接平行、交叉现象,并且隧道之间的近接交叉净间距不断减小,由此......
异形景观桥刚度较小,在人群动荷载作用下,会引起桥上行人舒适度较差问题。进行动力时程分析并评定其振动特性,关键是确定桥上人群......
本文分析了轮式移动机器人在运行过程中由于动力学不确定性引起的力矩扰动 ,并提出了一种基于传感器的移动机器人控制方法 .在利用......
阐述了棉纺精梳机分离罗拉的典型传动方式概况,介绍了运用伺服电机驱动分离罗拉的第3类传动方式特性及由此产生的几个衍生方案,提......
用随机过程理论研究车辆故障的规律,提出了用非时齐泊松过程模型中的威布尔过程模型来描述车辆故障的函数。提出了车辆在加速寿命试......
选取5台 YZG-27R 型压缩机、4台 PH112×2-9KC 型松下万宝压缩机和2台YZB-20R 型变频压缩机进行加速寿命试验,对替代工质R32/R......
目的 通过对前庭训练中各项生理指标变化观察检验前庭刺激是否适当,评价前庭训练在提高人体前庭功能适应性方面的作用,以便于在前庭......
某型飞机后减速板在部队使用中多次出现减速板梁断裂、蒙皮裂纹等故障,打孔加型材结构改进方案经实际飞行测试取得了满意效果.为给......
在以前的研究工作基础上,为提高发动机的动力性,主要对进气系统进行了改进,并通过了气道试验加以验证,性能试验表明:气波增压器的动力性......
对某人行天桥进行了现场动力荷载试验,简要介绍了人行天桥动力特性的测试方法,通过分析该人行天桥的自振频率和桥面最大加速度,指出了......