Advances in Engineering Research

Recent years, exoskeleton robot has become the focus of fields of medical rehabilitation, military, aerospace, etc. But there still exist some hardnut problems in the design of mechanism, the movement intention detection and the coupling control of human-machine. Passive control is mainly used for improving...

The research of stock price volatility is very important. Traditionally, the stock price is usually processed as a time series, and don't consider the influence of stock trading volume. In this paper, we use Gaussian Mixture Model method to the clustering analysis of stock price volatility based on stock...

In order to solve the problem of spectral distortion and the fuzzy texture in visible and infrared image fusion technology, a novel visible and infrared image fusion method based on the Nonsubsampled Contourlet Transform (NSCT) and Pulse Coupled Neural Networks (PCNN) is proposed in this paper. First,...

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...

To solve optimization of aircraft vertical tail stealth design under airborne PD radar, the Kriging model based on agent tail stealth characteristics is proposed; Genetic algorithm is applied to optimization calculation based on the tail stealth agent model as objective function and the tail capacity...

The processing of blueberry pulp has great significance on its quality and nutrient. In this experiment, based on the optimized hot dipping method, we compared the nutrient of blueberry pulps adding two food flavor additives, citric acid and cocktails. The blueberry fruits of verity ‘O’Neal’ with different...

Under the circumstance of social development, with the rapid growth in passenger travel demand, the demand of development of public transport networks for the urban travel is daily increasing. The service capability of public transport network can't satisfy that all the passengers are able to arrive...

The B/S(Browser/Server) network structure plays an important role in computer architecture today, and it has become increasingly important to display the patent map in the browser, currently on the market circulation of a large number of patent map analysis software, but are generally very expensive...

Based on the studies of necessity about seismic analysis for mountainous buildings, especially the high-rise Diaojiaolou in the southwestern region of China, a Pushover analysis for a real high-rise Diaojiaolou was carried out. It was shown that the displacement of the first floor of high-rise Diaojiaolou...

The Automatic rolling production line has been in operation for several years since it was put into production in 2005. After that, the user interface of WINCC system turned to green screen constantly, which leads to more waste production, even serious accidents that cause shutdown of the whole production...

This paper focuses on a new-type rotating ribbed radiator. Compared with the traditional heat pipe radiator, the device will make fan and fin integrative, which will weaken the thermal boundary layer attached on the fins. Thus, it could avoid the accumulation of dust, then the total thermal resistance...

The emergence of enterprise business intelligence system can not solve the traditional database massive data intelligent analysis and forecasting problems. With intelligent, enterprises and organizations popularity and mobile communications equipment worldwide mobile communications needs of mobile business...

Maintenance management is an extremely important part in the work of electric power communication net, it's the key to guaranty stable operation of the network. This paper proposed that communication maintenance management based on fault early-warning analysis, used big data technology, and combined...

Due to the influence of repeatedly vehicles load and the environmental periodic variation, cement concrete pavement is damaged regularly and the normal usage of road is influenced seriously. The concrete mix proportion of a new kind repair material of cement concrete – slag base is designed in this paper,...

Considering the problems of low solution precision and suffering from pre-mature convergence by the basic bat algorithm, an improved self-adaptive bat algorithm (SABA) is proposed after the introduction of the self-adaptive step-controlled mechanism and mutation mechanism in this paper. The results of...

The effect of detergents on the quality and flavor of fresh-cut perilla was evaluated. The acidic electrolyzed water and sodium hypochlorite extended the shelf life of the perilla to 11d. The sodium hypochlorite treatments was more effective to avoid the loss of the greenness of the perilla leaf compared...

Soil nail shotcrete-bolt supporting scheme is adopted in pit supporting, while side slope will destabilize and collapse because drainage of soil nail shotcrete-bolt supporting design fails to meet the design requirements. The effect required by the engineering is fulfilled by adopting the design and...

The research tries to study humans' responses to superimposed costimulatory signals. The information, including music, natural images, may be perceived through sound and visual stimulus. The procedure is interested in the superposition state of superimposed vibrations, whereby two or more signals are...

Soil is an important part of the environment, which is the precious renewable resources. Soil heavy metal pollution is becoming more and more serious, which affects the normal function of soil, causes pollution of food chain, threats to human health and environmental quality. Mercury as one of the persistent...

Abstract: This article mainly from the waste of decorating family, switch socket is emphatically discussed. In this paper, we use qualitative and quantitative research method of combining the switches and sockets for home improvement wasteful conduct research. From the current situation of urban families...

Method of Moment is used to calculate vertical tail’s radar cross section(RCS). The impact of leading-edge sweep angle, span and inclination on vertical tail’s RCS is analyzed and then vertical tail’s RCS curves and function expressions with leading-edge sweep angle,span and inclination are fitted by...

This thesis takes the virtual power plant theory as the research background, designs and builds the dispatch management system based on the virtual power plant.The dissertation completed the software and hardware design of FPGA-based power monitoring device and realized the wireless transmission function...

In order to understand the different detection time of stone radioactive detection results impact, this paper for the three groups of stone sample take the different detection time radioactivity survey, and the detection results are analyzed. The best time of radioactive detection of the proposed stone...

In view of design purpose on the welding robot of different tanks, The purpose of this research is to welding robot motion controller is applied to the tank cover, the system adopts solution of “PC + motion controller”. The paper analyses the selection of F28335 motion controller, Through the way of...

The software testing is an important way to find bugs, and guarantee the quality and reliability of software. Automatic software case generation can effectively improve test efficiency, reduce test time and cost of development, so it has been widely concerned. Aiming at premature convergence and local...

A new compressive fusion algorithm based on non-uniform sampling is proposed. Although conventional block-based compressed sensing (BCS) represents a low computational cost, it suffers from low reconstruction quality since it is not well accounting for global image features. Employing the structured...

The land subsidence has become a common widespread geological disaster in the world. With the acceleration of urbanization and industrialization, the role of human economic and engineering activities in the land subsidence becomes the decisive key factors. Land subsidence has become increasingly a threat...

Accurately measuring the marine ambient noise is the premise for high resolution underwater acoustic detection, and sound pressure is a key parameter to certain the marine ambient noise spectrum. Scalar hydrophone is taken here to measure the offshore ambient noise for a long-term in certain offshore...

This paper think of the car provided by car company as the research object, the filter white noise was used to get some road roughness and create random road excitation, then the entity model of car and four pillar test bench was set up in ADAMS, and next, add random road excitation to the model to carry...

The size effect is defined as the reduction on the some seismic performance evaluation parameters with increasing size. As an important bearing member, the seismic performance and size effect of RC beams have been studied extensively over the past few decades, most of them came to the same conclusion,...

In recent years, the application of laser point cloud data has increased dramatically. How to efficiently store and fast process the data becomes an important research direction at present. Point cloud data contain a wealth of geographic information, belonging to the category of spatial data. Traditional...

With high voltage network as the core, the coordinated development of all levels of the grid, unified strong smart grid construction, the demand as a foundation for power grid intelligent base support of power communication transmission network development at a high speed. The expansion of the scale...

Electronic structures and optical properties of bulk -FeSi2 are investigated in detail by first principles pseudo-potential methods based on the density function theory. The calculated results show that -FeSi2 is a quasidirect band gap material with gap value of 0.74eV. The density of states is mainly...

Empirical studies show that the most successful continuous-time models of the short term rate in capturing the dynamics are those that allow the volatility of interest changes to be highly sensitive to the level of the rate. The mean-reverting constant elasticity of variance (CEV) process with regime...

Conformal mapping is an important issue of complex function theory. In this paper, a new method for numerical conformal mapping of doubly-connected domain is considered. This method calculates the constraint equations of numerical conformal mapping based on charge simulation method of doubly-connected...

According to the typical three generations of maritime satellite communications frame format, the first use of effective detection of the burst signal energy detection algorithm combined with matched filter, then the frequency of the burst signal detection based on the results of estimation and phase...

Three-year-old ‘summer black’ grapes were used for trial material to study the effects of spraying with the different concentrations of calcium fertilizer on grape fruit external quality and intrinsic quality. Fruits were sprayed 1000，1200，1400 times amino acids chelate calcium during the fruit color-changed...

The ever fierce competition in the financial market has highlighted the importance of maintaining good customer relationship for banks. The Customer Relationship Management (CRM) is built on a layered system and the traditional BP neural network has low speed and accuracy. The paper is an attempt to...

Energy conversation of sensor nodes for maximization of network life is the most important design goal while developing an energy efficient routing protocol for wireless sensor networks. Heterogeneity takes the advantage of different types of sensor nodes and improves the network life and energy efficiency....

In order to shorten the design cycle and to improve the design efficiency of the engine combustion system, a cloud-based design platform of engine combustion system integrating cloud computing, parameterized and modular rapid design is proposed. The overall framework of the engine combustion system analysis...

There are some new water-cooled ingot caster were built in some steel plant in China for produce large flat ingot to meet the increasing requirement of the large ingot. While as the ingots become larger, there may cause many metallurgical imperfections, such as segregation, surface defects, etc. For...

The living environment is the base of the survival and development of human, its sustainable development is directly related to the extent of human life and it is one of most important content that measure the progress of human society and culture development. With the rapid development of economy and...

Detection of combustible gases is very important to reduce the modality and disability of human in both of civil and military situation. In this paper, a method of detection combustible gases of acetone and ethanol was proposed by using back propagation neural network (BPNN) and principal component analysis...

Spatial data contains a lot of spatial information. Geographic Information System (GIS) provides methods to extract information and support decision. The difference of geographic data can be found out by analysis of variance (ANOVA) that is a method of spatial statistics, which is a part of GIS. In this...

In this letter,a 8QAM-DMT-OFDM optical access scheme is proposed and demonstrated. 8QAM-OFDM optical access signal is generated using discrete multitone (DMT) modulation, and its optical spectrum, electric spectrum before electro-optical conversion, constellation diagrams before and after transmission...

For mobile payments using Near Field Communication,this paper summarizes weaknesses in its implementation by the Android Operationg System and vulnerabilities in hardware layer.a new NFC payment model is proposed using NFC shield in paper.this model is secured by design and can be implemented using existing...

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...

Electrical engineering courses are featured on combination of strong and weak electricity and take account into the specialized knowledge of the both. In the design of electricity tests and new products, it will significantly increase the complexity of test system and decrease teaching efficiency if...

Aiming at the fact that relevant conductivity of corrosion resistant aluminum conductor already used in the transmission line currently is reduced when the corrosion resistance is increased, the approach of "conduction equilibrium of rare earth and corrosion resistant alloy" is proposed that cerium-rich...

Object oriented algorithm is used for intelligent substation information process, based on XML Schema. One of the most important sessions for the intelligent substation construction is to integrate the mass historical data of devices and to establish the multi-dimensional model for OLAP or data mining....

Ozone pre-oxidation removal of MC-LR better, under the condition of pH4,ozone for MC-LR removal of 76.22%,than the original water removal increased by about 11%.With the increasing value of pH, ozone for MC-LR removal decreased, but higher pH beneficial ozone removal of turbidity, UV254, TOC and CODMn....

In this article the author use the datas of acoustic travel time, systematical analysising the abnormal pressure distribution obtained by equilibrium depth method in the lower assemblage of Yanchang formation 151 well bores in the middle area of western Ordos Basin, combined with the distribution patterns...

The substation automation system based on IEC61850 standard supports free distribution of functions and its reliability is closely related to the distribution mode of its functions. The realization principles of functions' free distribution are introduced and the method of reliability evaluation of substation...

In multiple sound-sources environment, robustness is a major challenge for audio recognition system based on audio fingerprinting, because mixed audio signals may make recognition rate has a significant decline. This paper proposes a novel audio fingerprinting method, which uses blind source separation...

Three-year-old ‘ruby seedless’ grapes were used for trial material to study the effects of spraying with the different concentrations of calcium fertilizer on grape fruit external quality and intrinsic quality. Fruits were sprayed 0.1%, 0.2%, 0.3% Calcium nitrate solution during the fruit color-changed...

WSNs are expected to find wide applicability in various fields ranging from engineering industry to our home environment technology. Efficient utilization of energy of sensor nodes and short distance multihop communication are the major factors in order to reduce the energy consumption in a sensor network....

Water park water quality impacts the public health illustrated by the increasing waterborne diseases outbreaks in recent years. Water samples were thus collected and analyzed for chemical constituents, organic matter, from the water park over spring and summer. Water quality varied seasonally with less...

In order to do a global evaluation of translation software and compare their differences within specific indicators, the study applied Euclidean distance and cosine similarity to evaluate 4 commonly used translation software tools, based on the analysis of the data from the questionnaire. The results...

The antenna control system for the problem encountered in the application, starting from the control algorithm to analyze the composition of the antenna control systems, introduces the antenna control system design, and antenna control unit, an antenna drive unit, shaft encoder unit and security unit...

The design, simulation and analysis of a dual-band metamaterial absorber(MMA) working at the microwave frequencies are presented. The single unit cell consists of two nested closed hexagon ring resonators and a metallic background plane, separated by a dielectric layer with only 0.7-mmthickness. The...

In view of the urgent need of radiator matching during the process of modern bulldozer design and considering the diversity as well as the individualization of different bulldozer types, a cloud design platform for bulldozer radiator which integrates cloud computing, parameterized and modular rapid matching...

The use of airbags can improve the safety of the car. Since the airbag appears to now, fabric for airbags has gone from the coated fabric to the uncoated fabric. The raw materials for airbag fabric has been nylon, especially nylon 66, which also prompts researchers from all of the countries continue...

The blades are the key components of industrial steam turbine, and the manufacturing of the blade is about one third of total manufacturing. Reduction of the number of the blades is will lower the manufacturing cost. In the present paper, the aim of the research is to develop high efficient highly loaded...

This paper analyze the development of NFC mobile phone payment, and elaborates the concept of NFC, discuss some technical problems in latest.Be directed against every layers of technical security problems in this field.

The HA composite coating with different TiO2 contents was prepared by electrophoretic deposition in this study. The composite coatings were characterized by scanning electron microscopy (SEM), Ca/P atomic ratio in composite coatings was analyzed by Energy Dispersive Spectrometer (EDS), and the adhesion...

In this article, a multi-sensor image fusion algorithm is presented. The fusion framework is built on the second discrete curvelet transform to make full use of its multi-scale and multi-direction representability. The fusion rules are mainly based on Deng correlation for representing image similarity...

The opener is the important part of planter, which can affect the accuracy of planting, seed emergence rate and situation of seed after fell in the seedbed. This paper summaries the type of openers at home and abroad, and the characteristics of each kind of opener and suitable places are analyzed. Because...

The formation of intelligent substation is the inevitable rule that substation develops. Substation intelligence is realized by the devices' data collection, transmission, analysis, and processing, etc. Considering data information as one of the media for substation intelligence, multifarious senior...

Studying the scheduling problems of product design process is great significance to shorten the cycle of product development and to speed up product development. The problem of optimal scheduling of transmission design flow of armored vehicle can be regarded as an optimal problem of resource constrained...

Abstract: under the network environment, social networking sites and a variety of network information service providers to attract more and more users, plays an important role in the exchange of information and communication. In this paper, through the analysis of students under the network environment...

In order to detect the performance of SCR denitration catalyst activity online, and optimize the AIG spray distribution automatically, an innovative system is proposed. The system could monitor the NOx concentration distributions of SCR inlet and outlet flues simultaneously. According to the distributions...

This paper presents a condition maintenance control method for electrical equipment combined with the advantages of cloud model and TOPSIS method improved by grey correlation degree. The cloud model is used to overcome the fuzziness and randomness of evaluation language set in the decision-making process....

In Wireless sensor network (WSN), sensor nodes are usually deployed in the remote dense environment with limited energy resources in order to monitor a region for a long time. It makes energy conservation as most challenging issue for design and deployment of wireless sensor networks. In the energy conversation...

Recycling of waste heat with heat pipe is one recognized effective approach to save energy and prevent global warming. Energy saving and efficiency enhancement of heat pipe exchanger for residual heat recycling, particularly the conventional heat pipe (CHP), two-phase closed thermosyphon (TPCT) and oscillating...

A new QKD implementation scheme of BB84 protocol is introduced based on FPGA. Firstly, the overall design method and the functional division are described in detail. Then, the logic design of the sub-module are significantly studied, including random data module, laser source drive module, error correcting...

With the deepening of the unconventional reservoir exploration, formation lithology evaluation is becoming more and more difficult, because in addition to the common minerals such as quartz, calcite, illite, some special minerals like pyrite, gypsum, dolomite, ankerite can also been seen. However, conventional...

Aimed at the characteristic of nonlinear and non-stationary of pressure drop, in this article a flow regime identification soft sensing method using wavelet-packet combined with probabilistic neural network is put forward. PNN is used as classier due to its good generalization ability and fast learning...

One of the main aspect of floating offshore wind turbine (FOWT) operating in normal is the safety of its cabin. The ballast water in cabin is closely related to the stability of FOWT. The dynamic response of the motion and the mooring lines force will be changed once its flooded column damage. In this...

The water entry of torpedo based on FE-SPH coupling method was studied. Firstly, the model of water entry of high-speed torpedo is established. In the case of grid structure, the numerical simulations verify the effectiveness of the model by comparing with the experimental results. Then the impact forces...

This paper introduces the diesel engine supercharger technology which is used most commonly. Turbocharger system can effectively improve power and torque of diesel engine, but the turbo hysteresis exists. Mechanical supercharging system can boost at low speed, but the efficiency is lower. Electric supercharger...

In the field of data sync technology, compared with other protocols, because of high efficiency and speed UDP transmission has been widely applied, but it can’t provide a reliable data transmission service which is connection-oriented, as a result of which decreases the utilization of data transmission....

Aiming at the problem of low precision in the positioning stage of fingerprint location positioning technology based on WiFi, through the comparative study of the nearest neighbor classification algorithm (NN),K nearest neighbor classification algorithm (KNN) and Bias algorithm, and then we present a...

Narrowband Internet of Things has great advantage over low speed rate, which is a new cellular technology based on 3GPP Release 13 standard. NB-IoT plays an extremely important role in the era of all things interconnected as a technology of low power consumption and wide area coverage of LPWAN (Low Power...

The mechanism of combinatorial approach was reviewed first and then the passive mixers and active mixers for discovering new kinds of non-metallic materials by the use of combinatorial approach were introducted. By active or passive mixing, combinatorial approach was used to find close relatinship butween...

Efficient ventilation and sound air current are significant to improve indoor air quality (IAQ) and control the contamination concentration. Healthy and comfort air-conditioning will provide a strong guarantee for high-performance work. While limited by lots of conditions, the airflow distribution in...

To solve the problem of "Information Island", namely, the condition when the data can not be shared in the process of industry clustering, and wasted resources in Engineering Machinery industry clusters. An implementation method of technology service platform of industry cluster in engineering machinery...

Traditional power supply system with the method of centralized power generation, and then use electricity transmission network transmit electricity to the user. Research model is the basis of the research on the subsequent issue, how to set up a valid practical problems but not entirely confined to the...

According to requirements of automatic system, this paper designs a transmission and control system for industrial workpiece. In the system, the control part is based on the touch screen module and the programmable controller; the implement part consists of pneumatic solenoid valve-cylinder pneumatic-drive...

Impulse radio (IR) 60GHz signal has been applied in ranging and localization systems because of higher multipath resolution. In order to improve the precision of the TOA estimation, a threshold selection algorithm based on a Joint Metric of the Skewness and Kurtosis after Energy Detection is proposed....

The research on the database development of the reusable parts of special vehicles is particularly important for shortening the design cycle and accelerating the development of the product. This paper takes the reuse parts database development as the research background, adopts organization and management...

In other to cope with the vaccine-production when a deadly disease outbreaks suddenly, we build a model to deals with the prediction of the demand for the vaccines. Specially, we take an example of Ebola to illustrate our approach. Firstly, by modifying a formula proposed by WHO, we are able to predict...

Human behavior is often affected by sudden emergency directly or indirectly. In this paper, we focus on two groups of people under different types of medical emergency calls. Based on the quantitative analysis of calling volume and call interval distribution before and after the emergency call, we find...

The traditional way of manual cleaning stairs, not environmental protection, cleaning efficiency and low, cleaning workers time and labor, in order to solve this problem, the design of a low power MSP430 series single chip staircase. The cleaning machine realizes the combination of the triangular roller...

Study on folding frame to reduce the vibration in the process of transportation and work, the finite element model of folding frame was established by Pro/E and ANSYS Workbench and the modal analysis was performed, the vibration performance such as inherent frequency, vibration direction and extremum.etc...

By using different kinds of deposit methods such as thermal spraying, cold spraying and plating method, pure copper coating was prepared on aluminum alloy matrix. The preparation method, appearance of the copper coating, microstructure, and phase structure were then discussed.

In this paper, the issue of two-dimensional (2D) direction of arrival (DOA) and two- dimensional (2D) direction of departure (DOD) estimation for bistatic multiple-input-multiple- output (MIMO) radar with cross array is investigated. A novel multidimensional angle estimation methods based on unitary...

A set of vehicular farmland information processing system is developed in this paper. System uses the EPCS-8980 ARM industrial control computer and embedded GIS system as the information processing center, take Beidou navigation receivers as positioning tool, and Hall approach switch sensor as unit speed...

Blueberry is a kind of economic fruit with high nutritional value, good economic benefit and broad market prospect. In this experiment, the growth of 15 blueberry varieties/strains in Qionglai in Chengdu city was investigated. The results showed that the growth rate of ‘Brigitta’ and ‘NBS2’ was the best,...

Firstly, making the equivalent problem and transform the problem into "The evaluation of the surrounding roads in the district to increase the intersection and a certain way after the connection, the surrounding junctions and road sections of the impact of the situation." And then we constructs a comprehensive...

This article takes the computer security management as a breach, from the different angle analysis influence computer information management system security factor, the discussion guards against each kind not to favor the computer information management system security the countermeasure and the measure,...