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The calculation and measurement of the natural frequencies of the bucket wheel excavator SchRs 1320/4x30
bucket wheel excavator natural frequencies accelerometer modal analyses frequency ANSYS measuring Fourier transformation
2010/10/29
Natural frequencies and shapes are the basic dynamic properties of each structure. On the basis of their knowledge, the sensitivity of the structure to a dynamic load could be estimated. While designi...
Recent progress in the measurement of external costs and implications for transport pricing reforms
external costs transport pricing reforms
2009/9/28
The external cost of transport has been discussed in the European transport policy since the 60s. However, it was not until the mid-90s that the European Commission decided on a pricing policy for the...
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...
Measurement by a cylinder test stand and tyre rolling resistance
tyre, rolling resistance cylinder test stand Maha LSP 2000 power
2010/11/2
Sometimes it is necessary to test how repair affects the properties of the car. These tests are carried out using a cylinder test stand. During the test the tyre is rolling between two cylinders of a ...
Performance measurement in transport sector analysis
performance measurement transport input transport output
2010/11/2
The article analyses the following issues: 1. Performance measurement in literature. The performance measurement has an important role to play in the efficient and effective management of organization...