搜索结果: 1-15 共查到“交通运输工程 method”相关记录26条 . 查询时间(0.134 秒)
GROUND SUBSIDENCE ALONG SHANGHAI METRO LINE 6 BY PS-InSAR METHOD
Ground subsidence Shanghai Metro Line 6 PS-InSAR COSMO-SkyMed Envisat ASAR
2018/5/15
With the rapid development of urban economy, convenient, safe, and efficient urban rail transit has become the preferred method for people to travel. In order to ensure the safety and sustainable deve...
What is mixed use? Presenting an interaction method for measuring land use mix
mixed use active transportation travel behaviour
2013/11/21
In recent decades, the mixing of complementary land uses has become an increasingly important goal in transportation and land use planning. Land uses mix has been shown to be an influential factor in ...
An approximate reliability evaluation method for improving transportation network performance
uncertainty optimization urban transportation networks connectivity reliability
2010/10/29
Considering the importance of maintaining network performance at desired levels under uncertainty, network reliability, as a new approach to assessing the performance of degradable urban transportatio...
The uncertainty evaluation method of supply chain reliability
supply chains reliability evaluation uncertainty cloud theory random variables fuzzy rules
2010/10/29
The objective of the article is to scientifically evaluate supply chain reliability (SCR). We argue that this problem relates to two aspects - the cognition and expression of SCR. The paper considers ...
A two-phase method for the capacitated facility problem of compact customer sub-sets
facility customer demands capacitated location problem Lagrangean relaxation customer sub-set compactness
2010/10/29
The cost optimal design of the majority of distribution and servicing systems consists of decisions on a number and on the locations of facilities from which customers’ demands are satisfied; however,...
Developing strategies to reduce the risk of hazardous materials transportation in iran using the method of fuzzy SWOT analysis
hazardous materials transportation strategy development SWOT fuzzy
2010/11/1
An increase in hazardous materials transportation in Iran along with the industrial development and increase of resulted deadly accidents necessitate the development and implementation of some strateg...
Documented Impact of Transportation Demand Management Programs Through the Case Study Method
Transportation Demand Management Programs Case Study Method
2009/10/16
What are the internal and external conditions of a work site that influence the success
of its commuter choice program, aside from the trip-reducing services and incentives
themselves? This article ...
A Sensitivity Analysis of the HCM 2000 Delay Model with the Factorial Design Method
Sensitivity analysis Factorial design method HCM 2000 delay model Uniform delay Incremental delay
2009/10/10
The sensitivity of the Highway Capacity Manual (HCM) 2000 delay model to its parameters was investigated with the factorial design method. The study results suggest that the arrival flow, the saturati...
A New Method for Travel Time Estimation on Long Freeway Sections
freeway traffic image processing pattern recognition
2009/9/29
The knowledge of travel times on road networks is of vital importance for network operators as well as for drivers. Operators can use travel time information to improve control on their networks. Driv...
基于修正Craig-Bampton方法的轮胎动态子结构模型（Dynamic Substructure Tire Model Based on Modified Craig-Bampton Method）
轮胎 整车动力学模型 有限元法
2009/9/25
以轮胎模态试验获取的模态参数和参数化轮胎有限元模型为基础，通过优化方法使有限元模型的计算模态参数与试验模态参数一致，获得动力学等效的轮胎模型，将该模型视作连接车辆与地面的子结构，基于修正的Craig-Bampton方法和轮胎接地界面特性，得到轮胎子结构的主模态集和约束模态集，使用模态综合方法实现轮胎子结构模型与车辆多体动力学模型的耦合，此模型可广泛应用于车辆平顺性仿真和整车动态优化设计。
基于逆系统方法的汽车方向盘转角识别（Vehicle Steering Angle Identification Based on Inverse System Method）
汽车 操纵动力学 方向盘转角
2009/9/2
将逆系统理论应用于汽车操纵动力学，用于研究汽车精确达到给定侧向加速度时的驾驶员方向盘转角输入。以汽车方向盘转角输入的状态方程为基础，在逆系统满足稳定、可逆、可控、可观的情况下，分别以闭环仿真和实车试验得到的侧向加速度为逆系统输入识别方向盘转角，并和实车试验的方向盘转角进行对比。结果表明：该方法识别的方向盘转角和实车试验的方向盘转角运动趋势相似，得到的侧向加速度与给定的侧向加速度绝对误差较小。
基于GPS的汽车横摆角速度和侧偏角工程测试方法（Engineering Test Method for Motor Vehicle Yaw Rate and Sideslip Angle Based on GPS Technology）
汽车 道路试验系统 横摆角速度
2009/5/22
面向汽车动力学控制系统产业化开发中的冬季试验和夏季试验，基于GPS技术设计了汽车横摆角速度和侧偏角工程测试系统和测试精度验证系统，并给出了具体的数据处理方法。阐述了两套系统的硬件设计、试验方法，并根据同步采集的试验数据对比分析了车身方位角、横摆角速度和侧偏角的测量精度。结果表明：测试系统定位能力较差，但横摆角速度和侧偏角测量精度与验证系统接近，满足汽车性能道路试验的要求。
汽车道路试验测试方法研究进展（Research Progress of Measurement Method for Vehicle Road Way Test）
汽车 道路试验 测试方法
2009/5/22
分析了汽车道路试验的特点和测试系统结构，总结了测试系统高可靠性、高集成度、同步数据采集、接口CAN化的发展趋势。结合汽车动力学控制系统产业化开发需求，详细阐述了3项汽车道路试验测试技术和方法：汽车位置姿态测量技术、车轮力测量技术和转向输入控制技术。今后汽车道路试验测试技术发展方向是基于GPS的汽车位置姿态测量、基于车轮力传感器的车轮力直接测量、GPS与转向机器人技术集成进行转向精确输入和路径跟随等...
汽车消声器多工况综合性能的评价方法（Evaluation Method of Vehicle Muffler's Comprehensive Performance under Multiple Working Conditions）
汽车 消声器 多工况
2009/5/22
定义了一种对消声器多工况下加权插入损失、背压系数、线性度系数进行综合量化的评价函数，以反映消声器在各个主要工况下的消声效果、空气动力性能以及声品质特征。以GT-Power软件为工具，计算了3种不同消声器的评价函数，并与实验结果进行对比。结果表明，该评价方法可以很好地反映消声器在多个工况下的综合性能，为消声器的匹配设计提供依据。
TRIZ method for light weight bus body structure design
TRIZ Light weight bus body Finite Element Method (FEM)
2010/1/19
Purpose: The purpose of the work is the generalization of available data on averting and using the thermal
deformations in the technology, the analysis of the methods of compensating the thermal defo...