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A Strategic Niche Analysis of Urban Road Pricing in the UK and Norway
travel demand management road pricing toll rings
2009/9/29
Traditional transport policies of road expansion entail a relatively simple system of actors and processes around which expertise, knowledge, and skills which has built up over many decades. Some of t...
车内噪声分析与控制研究(Analysis and Control of the Interior Noise in Passenger Car)
汽车 声源识别 传递函数 噪声控制
2009/5/22
利用互易性原理,提出了一种空气声传播路径实验方法。首先测得各声源对于车内噪声的传递函数,进而得到各声源对于车内噪声的贡献度。根据声源识别结果,对汽车车身进行吸声、隔声设计,结果表明,车内地板隔声量从前向后分别提高了1.83~9.74 dB(A),汽车车内噪声下降了4.7 dB(A)。
汽车EPS故障模式分析与其控制技术(Fault Mode Analysis and Control Technology of Automotive EPS System)
汽车 电动助力转向 故障
2009/5/22
阐述了EPS的构成及工作原理,分析了EPS的故障模式与控制技术,EPS的故障有硬件故障和软件故障两个方面。对于硬件故障,采取了控制器的模块化设计、双CPU的并行工作、转矩传感器的互补信号输出、驱动开关管的并联工作、故障指示与故障代码显示等措施;对于软件故障,采取了软件冗余措施,可以采用N版本程序、恢复块技术和异常处理技术。EPS系统的故障模式分析与控制技术可以提高EPS系统的安全可靠性能和汽车的操...
期刊信息
篇名
A Micoscopic Analysis of Incylinder Swirl Generated by Directed Ports
语种
英文
撰写或编译
撰写
作者
Xunjun Liu,Ruilin Liu,et al
第一作者单位
刊物名称
SAE 1994 Transactions,Journal of Engines,SAE 941754
页面
Section 3...
The analysis of road infrastructure development financing in Lithuania
financing investments distribution transport roads
2010/11/2
The article describes major problems associated with the development of the Lithuanian roads, the priority areas and distribution of investments. The analysis performed and the calculations of investm...
Analysis and forecast of the dymanic passenger transportation by public land transport
public transport road and railway transport forecast multiple regression analysis long-distance and international transportation regression equation
2010/11/2
In the presented paper the dynamics of passenger haulage by public transport is considered and a forecast is made. In Lithuania the total volume of passenger transportation by public land transport co...
Analysis of wearing-out causes for revolving-blade mixers and their reliability improvement
revolving-blade mixer grain sticking, wear, mix homogeneity elastic centrifugal coupling reliability improvement
2010/11/2
In road coverings and structures of transport infrastructure, composite mixes of various compositions are used made with either organic or mineral binding agents. Most often they are made in a discree...