SUV (Sport UtilityVehicle, SUV) HCG (Height of Center Gravity) is higher, relatively low rollover stability, higher rollover accident rate has become an important issue for cars safety. In this paper, Firstly, four-DOF kinematics theoretical vehicle model was established then combined with a SUV development...

According to the test results of the composition material of the all-lightweight aggregate concrete,design the mix proportion of the all-lightweight aggregate concrete of LC30 and LC35 levels,and make the compressive strength test, the splitting tensile test and the elasticity modulus test,analyze the...

This paper designs a new type of wind-wave complementary device, and introduces the detailed design about a few key part of the device. The principle of the device adopts the wind-wave complementary system ,which collect the wave energy and wind energy respectively. Moreover, to increase the generating...

In this work, the effects of cooling rate on the microstructure and tensile strength of A356 wheels during solidification were studied. Four cooling methods, including air cooling, wind cooling and two different water coolings, were a used to control the cooling rate of spoke. Comparing with the air...

Dynamic characteristics of droplets on the one-tier surface, which was a micropillared hydrophobic surface fabricated by lithography and two-tier surface, which was a micro-nano hydrophobic surface replaced by dry lotus leaf were studied under vertically vibration. Our experiments shown that the two-tier...

Considering that there are plenty of risk factors affecting hydraulic gear pumps wear life, multiple-factors assessment approach based on FAHP is proposed. Fuzzy consistent matrix is constructed by applying fuzzy theory into conventional AHP to improve the precision of judgments of decision-makers. The...

Web robot is an automated information gathering program that has brought a lot of problems such as information leakage, resource occupation and network security threaten. It is necessary to effectively detect and control the web access comes from web robots. Summarizes the existing categories of web...

A WSNs(wireless sensor networks) secure strategy is presented by dividing sensing square into grids and utilizing a bilinear map methodology in this paper. Both ordinary sensor nodes and heterogeneous sensor nodes are dispersed in whole sensing area. All those sensor nodes establish their communication...

The number of impeller head is short in the original shot blasting machine, and the distance between the pretreatment of steel plate is too far to have enough rust removal ability. Based on these problems, researchers respectively added one impeller head both on the top and bottom of the machine, shortened...

With the rapid development of aircraft industry, manufacturing department needs to put forward higher requirements for the accuracy of aircraft assembly. It not only affects the overall quality of the aircraft but it also affects the cost of aircraft manufacturing. This paper introduces the ways about...

The dislocation multiplication behavior of AZ61 magnesium alloy during cyclic bending vibration was investigated. The results show that with the increase of stain amplitude and shear stress, the process of dislocation multiplication behavior contains dislocation slipping, dislocation multiplication and...

The abundance of one major and eight trace elements in 215 coal samples from the Mengjiawan exploration area, northern Shaanxi, China, were determined. As compared with Chinese coal, American coal and coal Clarke value, only Th content in the Mengjiawan coal is high. The abundance of the element is different...

This paper discusses a control system for intelligent tracking. It takes STC89C52 as control core, the infrared tube ST118 for road information acquisition sensor, and will collect back the information analysis and processing, output the corresponding duty cycle of the PWM wave as a motor drive signal,...

TH values of low carbon non-microalloyed and boron-microalloyed steels before and after baking were measured and microstructures of low carbon non-microalloyed and boron-microalloyed steels before and after baking were observed by scanning electron microscope as well as transmission electron microscope...

Grinding is generally the final process, and it is closely related with the surface quality of the component. Now, it’s difficult to measure the surface roughness until the grinding process is finished. The purpose of this research was to study the roughness prediction and avoid the defect happening...

Systematic research on the performance of former designed plasma reactor was carried out in this paper. Numerical simulation method was performed, the distribution of electromagnetic field in microwave cavity by Finite Element Method (FEM). Microwave mode in waveguide, coaxial transformation part and...

In this paper, the study takes 521TEU Open Container Ship for example to research ultimate strength of river-to-sea transport container ship, and uses MSC / PATRAN and ABAQUS finite element software to simulate the container ship, and then gets the ship's structure ultimate strength. Further study on...

The effect of drying temperature on qualities of dehydrated thyme was evaluated. The moisture content and water activity of the thyme decreased with the drying time and drying temperature. The chlorophyll content was enhanced when the drying temperature was decreased. Hence, a lower drying temperature...

The effect of drying temperature on sensory and flavor of thyme was evaluated. The drying temperature showed no influence on the flavor the dehydrated thyme. A higher drying temperature leaded to a dark greenness of the thyme. Hence, a higher drying temperature leaded to an attractive appearance of the...

The Lead brass is used in various fields of machinery manufaeturing widely because of its superior performanee,easy molding cutting and ability corrosion resistanee.However,the lead is harmful in the environment.The purpose of this research is to produce a kind of environmental and free-cutting brass,which...

A new vibration cutting device was presented in the paper to offer much high power and high rigidity for the unstable vibration parameters, bad compliance between practical and theory which produced while using conventional vibration cutting equipment. Detailed calculation and structure design were carried...

Vibration and noise always occur simultaneously. Vibration is the source of noise. All noises are the transmission of the vibration energy of vibrating body on medium, whether solid or fluid. The noises may through many mediums to our ears and the noises may be very complicated, which are comprised by...

The ES-U3160 reinforced fabrics with toughening function were prepared by carrying the Ex-situ elasticizer polyethersulphone homogeneously on reinforced fabrics according to Ex-situ toughening technology. ES-U3160/5284 CF reinforced epoxy resin matrix composites were prepared by RTM process taking ES-U3160...

For the modern intelligent manufacturing enterprises, the information security has a direct impact on the normal operation and long-term development of the enterprise. This is the problem which the enterprise should pay attention to it. How to construct information security and protect the core information...

The method of carbothermal reaction is used to prepare titanium boride (TiB2) in a DC electric arc furnance by using a powder mixture of TiO2, H2BO3 and C. The initial product is milled and the impurities are removed by pickling and reverse flotation. The final TiB2 powder with a purity of over 99% can...

ZnO thin films have been deposited on ITO substrates by pulsed laser deposition at various laser pulse energies. The crystalline structure, surface morphology and optical properties of ZnO thin films were characterized by X-ray diffraction (XRD), atomic force microscope (AFM) and UV-Visible measurements....

In this paper, the influence of nozzle hole shape on internal flow and near-nozzle spray behavior was studied. A flow visualization experimental system with a transparent scaled-up injector was setup. Three nozzles with the same hole outlet diameter but different hole shapes were used. Detailed comparisons...

The photophysical properties of a novel dendrimer tetra-{3,5-di-(4-nitro benzyloxy) benzyloxy} zinc phthalocyanine (DZnPc) was studied by steady-state, time-resolved fluorescence and UV/Vis spectroscopy. DZnPc mainly existed as a monomer in DMF. Intra-molecular energy could be transferred from peripheral...

New stage of global industry is coming with the new requirements to the IACS (Industry Automation Control System), e.g. flexible manufacturing, small batch and customized production. So far, most of IACS modeling methodologies are concerning on the description to specified domain of computing subsystem,...

This paper experimentally study the process and characteristics of the bridge structure steel CTOD specimens weld seam fatigue crack prefabricated. The results provide an experimental base and computing foundations for the bridge This paper studies the CTOD (Crack tip opening displacement) fatigue precracking...

The paper introduces the basic principle of voltage space vector pulse wide modulation (SVPWM), presents the detailed method of realizing SVPWM under MATLAB/SIMULINK environment, and finally gives the experimental simulation results.

Due to the vital function of frequency-variable equipment in the energy-saving technology, the paper develops a suit of small power frequency -variable controlled equipment based on digital signal processor (DSP) TMS320LF2407 of American TI company. It designs holistic project of the equipment, researches...

The design of intelligent solar charging system, through the solar panel to convert solar energy into electrical energy, through DC/DC converter circuit processing, charging the battery. The entire system consists of DC/DC conversion circuit, a processor module, A/D sampling circuit, pulse width modulation...

Biped walking robot is designed based on the principle of bionicswhich can walk like a human.The biped robot can replace the prosthesis for the disabled, and it can also make the robot better to complete the dangerous or high-intensity work. This robot not only has characteristics of simple structure,...

The tensile behavior of secondary general single crystal superalloy DD6 with low Re was investigated at 1070 C. In this study, orientation of the specimens was selected along the [001] direction and the evolution of microstructure and dislocation configurations were analyzed by SEM and TEM in detail....

The problems like eutrophication and high chroma of surface water has aroused the attention of lots of people. Nowadays, the study on the treatment of chroma, ammonia nitrogen and phosphorus is mature. But, these technologies are always single and independent. In this study, we synthetize a material...

The modification and modulation of dicarboxylic amino acids on tellurium oxide nanoparticles (TeO2NPs) were investigated by Fourier transform infrared spectroscopy. The TeO2NPs prepared in aspartic acid (Asp) or glutamic acid (Glu) were spheres with main size distribution of 30-80 nm. TeO2NPs were bound...

The fault information always contains many uncertain, such as the missing information, malfunction and failure to operation. In this paper, we use a new method based on probability-box theory and support vector machine to solve the uncertain problems and improve the diagnosis ability. The first, structural...

The thesis studies the temperature characteristics of 5kW air natural convectional type proton exchange membrane fuel cell. The three-dimensional mathematical model of the proton exchange membrane fuel cell system is established. Using COMSOL software multiphysics simulation modeling, from the aspect...

The low- power and portable proton exchange membrane fuel cell has the features of quick start, high power density and efficient energy conversion. It is widely used in the small equipment’s power source devices. However, the characteristics of temperature change of proton exchange membrane fuel cell...