This paper provides an annular groove Magnetorheological(MR) brake. Bingham model is used to describe the constitutive behavior of MR fluids subject to an applied magnetic field. The theoretical analysis of the shear flow and braking torque of MR fluid between two parallel annular disks in annular groove...

Ship impact force is one of the main loads of the ship lock hydraulic structures. In order to understand its main influence factors and reasonably determine the calculation method, the transient dynamic analysis method is used in this paper to study the dynamic response of the dolphin under the ship...

The main difference between locomotive schedule of heavy-loaded railway and that of regular rail transport is the number of locomotives utilized for one train. One heavy-loaded train usually has more than one locomotive, but a regular train just has one locomotive. Based on analysis of the current locomotive...

The freight demand on Daqin Railway is growing yearly, but the maintenance scheduling is almost based on field experience, which makes great impact on transport capacity. Based on maintaining theory, this paper focuses on modeling and algorithm, offering scientific maintenance scheduling for Daqin Railway....

In this paper, we mainly study on modeling formulation for railway network blocking problem. We propose model formulation for RBP. The objective function of RBP model is to minimize the costs of flow traveling and delay for the train in marshalling station, by deciding which block is built and specifying...

There are many factors that cause the flutter of the wing of the aircraft, and one of the factors is the wing opening trepanning. In order to explore the changes of the flutter speed of the wing after trepanning, the software simulation method is adopted to analyze the flutter speed .MSC.Patran and MSC.Nastran...

The electric bicycle has become the main part of non motor vehicles in small and medium-sized cities. Research on the traffic flow characteristic of the electric bicycle has important practical significance. Based on NaSch model, this paper models electric bicycle traffic flow with CA model and improves...

Based on the method of nonlinear finite element, the dynamic response characteristics and fatigue life of soft rock at the bottom of the typical cross section of high speed railway are studied. The research result shows that the peak dynamic stress of the soft rock increases nonlinearly with the increase...

This paper has carried out some researches on organization method of wagon flow of coal transportation corridor to meet the demand of heavy-haul railway. To improve the capacity of a collecting and distributing system, the optimal problem is described as: coordination of loading capacity and unloading...

In the past, waterway regulation generally proposed optimized project schemes and the corresponding regulation measures according to the waterway dimension of the design requirements, upon the requirements of satisfaction of the standard waterway dimension. However, the issue of the dimension falling...

This paper analyzes the status of China’s vegetable, combined with vegetables logistics concept, characteristics and operational requirements, describe the vegetables logistics body according to the different circulation during the logistics mode. Then, discuss the existing logistics mode and analysis...

This article focuses on the design of intelligent transportation systems in the construction of the smart urban. Learning from the wisdom of traffic building programs, the paper is given the overall design of intelligent transportation process based on location big data. Lanzhou City was analyzed and...

With the advent of the era of low oil prices, we have to consider whether the decline in oil prices to affect those which were based on high oil prices and continued to carry out the new technology innovation analysis and research will produce conflict, which eventually led to part of the advantages...

Highway construction obviously led to the social and economic benefits. This article uses the basis data of economic and social statistics in 2005-2014 of Guangdong Province, combines the qualitative and quantitative methods, Index system and analyze the impact of the economic and social benefits of...

Blue Economic Zone in Shandong Peninsula is the most dynamic and fastest-developing area with many advantageous resources and relatively advanced infrastructure in East China Shandong Province. The integrated transportation system and economic development has a close inner link, both are interdependent...

Transferability between urban rail and bus transit is an important indicator for evaluating efficiency of a multi-modal transit system. Transit transfer is concerned with distance, safety, comfort, clarity, and equipment applicability. This paper presents a Multi Criteria/Attribute Decision Making (MCDM/MADM)...

Operational cost of modern tram consists of the wage, maintenance cost, power consumption cost, management cost and other cost. This paper subdivided the influential factors of traction energy consumption and maintenance cost according to fixed cost and variable cost, and a method is proposed to analyze...

With the development of metropolitan, through operation between urban rail transit and suburban railway is the development trend in the future. In this study, the general concepts in the TCRP Transit Capacity and Quality of Service Manual were adopted, followed by the development of a set of comprehensive...

Ground-borne vibration and noise induced by train operations are two major environmental problems faced by rail transit systems. Current researches mainly focused on civil architectures and bridge structures but it is rare for large structures such as railway stations in most literatures. Within this...

For the characteristics of wave-piercing catamaran longitudinal motion when sailing with high speed in random waves, this paper proposes a state estimation algorithm for wave-piercing catamaran longitudinal motion based on EKF. On the one hand noise is filtered out from the noise pollution measurement...

The purpose of this paper is to identify the core technologies in metro field by analyzing the overall structure of technologies and interactions among of them, which is beneficial to grasp technological trend and advance of metro field in China. For this study, the metro patent data were collected (1986-2015)...

The development of air transport and high-speed rail (HSR) is facing two problems. One is competition, having been stated in many literatures focusing on the economic distances; and another is stresses from large investments, energy consumption and environmental degradation. In this paper, the feasibility...

A set of command simulation system, which can be used for training of jumpmasters, later evaluating of training situation, as well as aiding of decision making, is developed in this paper. The software system realizes teaching monitoring, teaching quality assessment, and automatic forced parachuting...

To solve the issue that there is some lack of subjectivity and objectivity in the Traditional reliability assessment of air traffic management evaluation means and by analyzing and finding out the related and essential factors in the reliability assessment process of air traffic management equipment,...

Three -dimensional model of drag-bar for 2BQ -2 planter was developed through Pro /E the model was then transferred into ANSYS for analysis, and modal parameters of the drag-bar were calculated, natural frequency and vibration features of the drag-bar were determined. Modal frequency was concentrated...

Soft ground passing ability is an important indicator of vehicle maneuvering performance,in this paper,the vehicle characteristic parameters and soil parameters that affect vehicle passing ability,are analyzed,and the vehicle soft ground passing model is established.Some multi axle vehicle passing ability...

The test of the heavy vehicles is depended on the experience, and is lack of quantitative citation index. This paper introduces the research of the oil spectroscopic analyzer for power transmission systems on different roads. The wear of impact factors of different road to power transmission systems...

In order to quickly and accurately determine the location and extent of the instability of complex steel structures, the method has been proposed which is to build a full model based ANSYS finite element analysis software and mapping model based add momentum BP neural network to achieve predictive. The...

To solve the problems of the auxiliary embed in high-speed magnetic levitation equipment, such as can not play the protect role when magnetic bearing out of control, can not absorb the kinetic energy of high-speed rotor and low mechanical precision, a new kind of auxiliary bearing based on flexible mechanism...

Aiming at the problem of large amount of calculation and solving inefficiency when using finite element software to analyze the “whole model” of complex space steel structure, the mapping model method built on the basis of SVM (Support Vector Machine) theory is proposed to reduce computation and enhance...

In this paper, the fuzzy control strategy based on the sliding mode control scheme of active suspension is added. During the simulation section, passive suspension model, the sliding mode control model of active suspension and the fuzzy sliding mode control model of active suspension were established....

This paper mainly studies the steering and speed cooperative control system of electrical vehicles, and establishes relevant mathematical model. A control approach is proposed by combining adaptive smith predictor and fuzzy PID controller. The results show that the adaptive smith-fuzzy PID controller...

In order to make a research on the vehicle's ABS and AFS system, the fuzzy neural network controller was designed on the basis of the electric vehicle's steering and braking models. Then the genetic algorithms was used to improve the parameters of the membership function. For the purpose of the stability,...

As the most important part of wind turbine, the safety and reliability of pitch control system is very important. This paper deeply studies three aspects of pitch control system, including pitch controller, servo driver and backup power. At the basis of the control principle of pitch control system,...

A stochastic reliability model of the drum system of a hang type centrifuge drum is presented using stochastic reliability theory, where the stochastic reliability index and invalid probability of the drum system are determined by checking point algorithm and the system functional functions are built...

A multiple adaptive fading cubature Kalman filter (MAFCKF) is designed by introducing the multiple fading factors to mitigate the negative effects of the uncertainties in dynamics or measurement model. The effectiveness of the proposed MAFCKF was demonstrated and proved by the INS/GPS integrated navigation...

Ship shafting mechanical characteristics reflected the ship shaft system static and dynamic mechanics characteristics, through the ship shafting alignment through theoretical analysis and calculation of ship shafting vibration characteristic includes shafting torsional vibration, transversal and longitudinal...

The finite element model of pipe/shell structure is established using Design/Modeler of ANSYS/Workbench. The modal analysis of the pipe/shell structure is done at 28MPa of stable pressure by ANSYS/Workbench, the first six order frequency and vibration model are obtained. The third natural frequency is...

Automotive product injury risk evaluation is an effective means to reducing the loss caused by automotive product injuries by controlling the risks of such injuries. Based on the product injury monitoring data from the national product injury information monitoring system, and focusing on potential injury...

It is very important to determine the specifications of components of vehicles at the initial design stage. Currently, the researches on torsional stiffness and weight optimization, structural improvement, and vibration and noise have been carried out. However, the structural local optimization of a...

Due to the influence of gray contrast ratio on background image with the target vehicle, traditional vehicle detection algorithms cannot adapt to complicated traffic environment. This paper proposes a new vehicle classification method based on locational matrix and minimum of local edge region. First,...

In order to improve safety during lane change, we proposed lane change intent prediction method based on neural networks and Bayesian filters. The method uses the lane line sensor, steering wheel angle sensor and in-vehicle CAN bus acquisition characterization parameters. The above acquisition parameters...