Advances in Engineering Research

In this study, three groups of bolted glulam beam-to-column connections with slotted-in steel plates (in total 11 full-scale specimens) were tested under monotonic loading to investigate the rotational behavior of such connections with the use of carbon fiber reinforcing polymer sheets wrapping. The...

This article is launched based on the target that to research the forecasting method of transducer state. Generally, the receive array of sonar is made up of several transducers according to one certain way, when the damaged quantity or degree of transducer reaches a specified level, there will have...

HDP rubber asphalt mixture is made of rubber asphalt with a certain amount of HDP additive. The HDP rubber asphalt by Marshall design method with ratio design, of Marshall specimens tested the related technical indicators, to determine the optimum mix amount of HDP, aggregate synthesis of gradation and...

The noise control issue on construction machinery has received increasing attention in recent years. Prior to work out feasible noise control strategies, it is necessary to find out the primary noises. In this paper, main frequencies of potential noise sources was analyzed and calculated. Sound pressure...

To enhance the interwell channel sand prediction accuracy of microfacies model, microfacies modeling based on sequential indicator stochastic approach is performed through integrated study and constrained by 3D seismic inversion and vertical fractional curve for sand body distribution and by using two-dimensional...

Based on RLC series circuit of sensor electronic components with nonlinear capacitance research object, the first approximate solution of third superharmonic resonance of the nonlinear vibration system is obtained by means of the method of multiple scales for nonlinear oscillations. The third superharmonic...

The NiO thin films were preapred by reactive radio frequency magnetron sputtering method on glass substrates. The influence of sputtering power on the crystal structure, surface morphological, optical and electrical properties was investigated using X-ray diffraction (XRD), scanning electron microscopy...

This paper proposes a web information platform based on XML. First, the information platform combines the advantages of existing different extraction technology, automatically extracts the key information in accordance with XML technology, next translates key information into structural and extensible...

Electronic technology is a new technology with the advent of the information age categories emerged gradually, along with the rapid development of network technology, electronic technology has been widely used in different fields In this paper, analyzed the electronic technology based on the development...

Traffic lights are common in daily life’s digital systems, the design of traffic lights need to use many basic functional units of digital systems. Traditional digital circuit design is based on the design of integrated circuit in small or medium scale, which has the limitations of needing too many circuits,...

This paper presents real time interactive price scheme of highway charging stations based on energy–carrying by Evs. Construct the optimization model to minimize the time-space variance of power grid equivalent load, calculate and release the price before day; in order to reduce the load of conventional...

Sea-crossing bridge mostly in deep water rapids turbid waters, underwater photography traditional imaging techniques can not detect damage identification, there is no specific bridge main pier foundation damage identification technology, thus maintenance management department can not grasp the main bridge...

Aiming at the practical issue of multi-sensor data fusion in target tracking, this paper proved that the accuracy of multi-sensor data fusion is better than that of any one sensor in terms of accuracy definition. According to the proof method, we proposed a multi-sensor data fusion method by combinating...

This paper combine improved genetic algorithm with bi-directional evolutionary structural optimization algorithm to optimize structure in dual coding way. The new algorithm not only has solved the genetic algorithm (GA) problem which is easy to appear premature, but also has solved the bi-directional...

The synthesis of (R)-3-((4-methoxybenzyl)oxy)butanal, which is an intermediate of (-)-Allosedridine, a 2-substituted piperidine alkaloid, was described, The route started from (R)-methyl 3-hydroxybutanoate via a PMB protection, a LiAlH4 reduction and a Swern oxidation.

Considering the fact that the video surveillance coverage remains far from adequate across the rural, this article initially proposed a new investigation system on mobile terminals. Firstly, the portraits or valid documents were easily got by using mobile terminals which were then automatically collected...

Atmospheric pressure plasma is a great technique in plasma science, which was implemented in our research. To study the biological changes in two pseudomonas strains in terms; type of plasma, exposure time and power discharge in the plasma. Scanning electron microscope (SEM) was used to determine the...

In order to further improve the stress state of reinforced concrete deep corbel under local loads, study on the influence of prestressing on the horizontal bearing capacity. Through the calculation and analysis on the horizontal ultimate bearing capacity of deep corbel under certain local loads, and...

Based on the principle of Dynamic Host Configuration Protocol (DHCP), this paper proposes a new implementation of a tailored DHCP protocol used for IP address management in wireless sensor networks (WSN). Several key design issues, such as frame structure of tailored DHCP packets, address assignment...

Pickling and drying can help aquatic products with their flavor which is highly related to temperature. Taking grass carp fillets as the research objects, quality changes were studied during pickling, drying and storage under controlled freezing-point temperature (CFT:-0.5ñ0.5 ) and 12ñ0.5 . Results...

The economic growth and advancement of the transportation community will require fast, safe, and timely transportation, making the airport not only a landing and take-off only for operational activities, but after the passage of the airport paradigm becomes the gateway to the economy, tourism activities,...

This paper aims to address the core challenge in highway tunnel operation safety: effectively identifying and forecasting complex, mutable risk sources to reinforce safety management and emergency response capabilities in high-traffic tunnels within Guangdong Province. By innovatively integrating big...

In current times, there is a growing need for compact antennas that can function in multiple bands, specifically for wireless communication systems such as GSM, UMTS, and WIFI. Researchers are exploring the use of fractal geometry antennas to address this requirement. Several recent investigations have...

The spin-valve sensor has been widely used in automotive electronic systems, industrial control systems, medical equipment and other technical fields, due to its advantages of high sensitivity, low energy consumption, as well as small size. The sensitivity of the spin valve sensor is affected by temperature,...

This reciprocating sprout harvester is designed to solve the issues including high labor intensity, low work efficiency as well as difficulty in ensuring reaping quality regarding manual sprout harvesting. SolidWorks software is adopted to conduct 3D modeling of every part as well as the overall unit...

To explore the development and influence factors of shale micro-fractures, we used SEM and AFM to observe the shale samples of JY1 well. There are some factors from these pictures: the surfaces of JY1 well are ups and downs; the difference is up to micron level; the micro-fractures connected widely....

Through the data analysis, the various factors of the flight delay in China are studied. After considering all airports of the delay propagation effect with exponential decreasing trend, we establish the modified dynamic 2M/M/2 queuing model, and use domestic airports data simulate by adopting the Monte...

A typical approach to calculation of energy losses in traction circuits of electrified transport is compared to a proposed method of traction network electrical parameters calculation. The method is based on probabilistic experiments which include generation instant equivalent circuits of traction network...

Binder is the essential component of coating color recipe, which has an important influence on the surface topography and properties of coating layer. In this research, the main objective was to investigate into the coating surface binder content related to the coating color recipe. The surface binder...

Forestry is the main body of ecological construction, as well as one basic industry and commonweal career for the sustainable development of economic society. The importance of forest resources and forestry requires us to deepen the conception of sustainable development into various aspects of forestry...

The present work mainly focuses on the influencing factors concerning copper molybdenum bulk flotation. Test samples which using four kinds of -100+200 mesh pure minerals contain Cu:0.4%, Mo:0.04%, S:3% respectively. The bulk flotation results show that using z-200+ kerosene as collectors in Cu-Mo mixed...

Based on the analysis of equipment logistic support, this paper puts forward equipment integrated support business connotation. And it suggests that all-life-cycle equipment logistic support information starts from management without paper. Then we gradually establish digital platform for equipment logistic...

Against such characteristics as large delay, nonlinear, time-varying and uncertainty of controlled object, the P-LADRC cascade control system is proposed in this paper. The principle of the LADRC is briefly introduced firstly, and then QPSO algorithm is applied to tune the initial parameters of LADRC-P...

In the present work, a novel heterostructured dye-sensitized solar cell (DSSC) was fabricated by using simple spin-coating steps. g-C3N4 and Ag modified TiO2 microspheres were used as the photoanode materials. The aim of this study was to modify TiO2 microspheres by using g-C3N4 so as to retard the recombination...

Under the background of the city's rapid economic development in our country, more and more people gathered in the city. At the same time, High quality of urban public spaces for people's outdoor life are eroded by the all kinds of buildings and expanding road .The number of urban public space are relatively...

In order to analyze the performance of the single leg of the electric vehicle in depth, a simulation method based on the digital virtual prototype software RecurDyn is proposed. The kinematics characteristics of single leg of the experimental Wheeling & walking electric vehicles are studied systematically....

Via modeling the reverberation noise by means of the symmetric -stable distribution, and the second-order and above order moments of distribution are nonexistent, the fractional lower-order moment and zero-order moment concepts are put forward and the beam forming algorithms on account of them are proposed...

The realization of the special physical properties of metamaterials depends on the artificially designed constitutive relations, and their mechanical properties become the key research point. In order to enhance the analysis efficiency of mechanical properties of three-dimensional (3D) pentamode metamaterials,...

The increasing level of material life has accelerated the speed of the upgrading of the furniture industry products. However, the idea of green ecology and sustainable development has been advocated by more and more people. Therefore, furniture recycling design will be the future development trend of...

Along with the digital television popularization, television channels and programs have been becoming more substantial. Thus, this paper proposes an intelligent solution for the problem of searching TV programs when children are watching TV. After that, this paper designs search software for children...

Researching on fluid-solid coupling problem of wind turbine can help improve the optimization of global structure of wind turbine and improve the level of the blades design, which has been one of the current research hotspots and difficulties in the field of wind turbine design. This paper describes...

The structural and optical properties of lead-free Barium strontium titanate Ba0.5Sr0.5TiO3 with oxygen vacancies (BST-O) were investigated by first-principles calculations of density functional theory. The results show that the O vacancy has significant influence on the electronic structure and optical...

The article first discusses the Internet has broad application prospects in the field of medicine and health care. Secondly, it points out that the application faces several problems at present, such as, loss of medical standards, poor IT technology, security threat, lack of site code resources, lack...

The article gives an estimate of the social-economic situation in the south of Tyumen region, which has pointed to the crisis in the agricultural sector. In this regard, the authors have developed approaches to the development of rural areas in the south of the region to provide the population with food...

The trial Ziziphus jujuba ‘Zhanshanmizao’ as test materials, test its dormant stage breaking dormancy select different concentrations of potassium nitrate (3%, 6%, 9%), the control of water treatment, study the changes of water, organic substances (starch, soluble sugar, soluble protein, free amino acid)....

At present, in the transmission system of theater video monitoring, it usually uses the Winsock interface to set up streaming media server, which leads to the defect that the remote monitoring terminal of this system must rely on the Windows operating system, but not the smart TV based on Android operating...

Fe doped TiO2 particles were synthesized by sol-gel method. This gel was dried at 70 during 2 hours and afterwards was calcined at 450 during 4 h. Under calcinations at 450 (4 h), catalyst particle with an average diameter around 59 nm and monophasic anatase structure were obtained. The 0.3wt% Fe/TiO2...

The current smart grid architecture, which has two-level data centers and two-level operation applications, is faced with many deficiencies. In order to solve these problems, this paper puts forward a distributed system architecture based on IEC 61850 remote terminal unit (RTU) data transmission scheme....

After analyzing the data from WHO, we choose Guinea to be an example to simulate our model. We rst predict the trend of infected people by using the Epidemic Model SIQR. After analyzing the epidemic of Guinea, we learn that Ebola in Guinea has reached its maximum and it is in decline now. So we determine...

With the development of medical image technology, the medical image has played a more and more important role on medicine. There is more and more the number of medical images in hospital. How to manage a large numbers of medical images will be one of the major problems for many hospitals. This paper...

Based on Plant Growth Simulation Algorithm, we propose a novel algorithm for solving permutation flow shop scheduling problems. Starting with the characteristic of permutation flow shop scheduling problems, combining disjunctive graph according to the sequence of scheduling, analyzing Scheduling options...

Smart grid is the development trend of power system in China. Intelligent dispatch and control system, as an important part of smart grid, is the new development direction of future automation system. It is of significant necessity to study on future dispatch and control mode. This paper reviews the...

Cubature kalman filter is prone to filtering divergence if the system model is inaccurate or measuring abnormal. In order to solve this problem, the adaptive cubature kalman filter algorithm was proposed in this paper, it constructed a group of noise statistic estimators to estimate the statistical characteristic...

The scan digital display has the function of receiving and processing digital signals. As an advanced display type, the digital display presents a trend of accelerating development. Because of shortage of the long development cycle and high price of the traditional display design, this paper designs...

This paper discusses the working diagram function of city rail traffic across the line train graph diagram of software, as well as for the cross line working diagram function realization method, put forward the general line and cross mapping strategy, summed up the general layout diagram and sequence...

With the application and development of high-throughput sequencing technology, the detection methods of structural variants based on sequencing have emerged. However, since the high-throughput sequencing reads is relatively short compared to the previous sequencing reads, it is difficult to detect long...

Human activities can be grouped into two main components including physical activity and mental activity. Mental workload is a combination of a component regarding the condition of workers, in terms of time and demands of work tasks related to the workload that has been given. PT. XYZ is one of the Indonesian...

This study introduces a probabilistic and interpretable method for assessing slope stability using Particle Swarm Optimization (PSO), LightGBMLSS, and Shapley Additive Explanations (SHAP). The method models the probability distribution of the slope safety factor through the LightGBMLSS model, with hyperparameters...

TO solve the problem of air switch cannot be controlled remotely, an air remote control switch system is designed based on GSM network. Specific content information issued by the emission module of mobile terminal of system and received by GSM module, then decoded by the STC12C5052AD to make a real-time...

Synthesis of (±)-2-(6-ethyl-2-(4-methoxyphenyl)-1, 3-dioxan-4-yl) acetaldehyde, an important intermediate of (±)-Cyanolide A (1), was described, which was commenced from commercially available methyl acetoacetate.

Pseudonym changing is the state-of-the-art approach for resist tracking attack of vehicles in vehicular ad-hoc networks (VANETs). However, most of the proposed pseudonym changing schemes cannot guarantee to resist the tracking attack, namely, provide the unlinkability of vehicles, meanwhile they prefer...

The traditional vehicle driving cycle construction method is to use a random method to choose the cycle segments, which is lack of reliability and accuracy. In order to solve the problems of the traditional construction method, an improved methodology for developing a representative driving cycle for...

According to the Shenzhen Metro Line 7 crossing the Guangzhou Shenzhen highway, the monitoring of highway surface is investigated to determine the deformation control factors and reveal the settlement deformation law of super highway roadbed during the metro tunnel crossing by the mining tunnel method....

Close-range photogrammetric technology has the advantages of simple equipment, real-time monitoring, high automation level, high precision and non-contact surface measurement. This article is based on a monitoring example of a slope by digital close range photogrammetric technology and compared with...

In this paper, the structure of CAD system for gauge has been established. By creating parameters model of gauge, smooth limit gauge is developed and designed using the computer aided design calculations in the environment of VC6.0 and UG NX 6.0, in order to improve the gauge design efficiency, the use...

In recent years the previous global earthquake, the earthquake relief and gold 72 hours in the first place, but the communication and network environment in the earthquake stricken area is very complex, the conventional network access mode at the time of the disaster is very difficult to guarantee the...

Since the Bridge is generally span, the main pier and more in the deep water area, combined with the harsh coastal or marine environments, heavy marine traffic must be many ways to strengthen security maintenance Bridge, the current damage identification and safety warning technology by the upper structure...

Spread-spectrum technology produces a transmitted spectrum much wider than the minimum bandwidth required and links as a means of overcoming intentional jamming. In this paper, we provide a brief outline of the theory of the spread-spectrum technique. Then we apply this technique to FSK system and give...

The nickel based catalysts were prepared by the method of impregnation. The influence of the Ni loading, the calcination temperature, the reduction temperature, the promoter on the catalyst performances in the CH4-CO2 reforming reaction was investigated. The results indicate that the Ni/SiO2 catalyst...

In this paper, Edible Podded Pea seed is taken as the test plant to explore the influence on growth of pea seedlings in different dilution ratio of biogas slurry. The study shows that the biogas slurry with dilution ratio being 1:50 contributes significantly to the emergence rate and seedling length...

In the 21st century, energy demand has become a global problem, China's wind power energy jumps forward from start to large-scale development and its use also shows the characteristic of diversified development and thus requires the research of its related technology and personnel to ensure that the...

Quite a number of reports are available on metal binding capacity of different groups of microorganisms. However, reports on the fungal spores are quite inadequate. In the present study the effect of Aspergillums niger spores dosage, initial solution pH and adsorption temperature on the uptake of Cr...

With the rapid development of Internet of things technology, the supply chain of agricultural products is increasing maturity in the Internet of things environment. Agricultural products supply chain in our country is in a key period from traditional mode to a modern one. This article finds out the combination...

Based on the oil and gas suspension of the harvester chassis, in the CAD simulation of the cylinder movement to the maximum limit position, the frame deflection, and ultimately determine the limit position, the hydraulic cylinder and thrust lever offset angle to see whether the hydraulic cylinder and...

In the paper, we analyze the factors of mutual inductance between two coils in magnetically coupled wireless energy transmission system based on the resonance frequency of 85 kHz. When the radius of transmitter coil remains the same, the simulation analysis of the main geometric parameters such as the...

In the unmanned aerial vehicle control system design, the controller design is the base of improving the control stability performance, considering the nonlinear and uncertain properties of the model, the beam space weighted spectral peak searching method is used to estimate the unknown parameters of...

In this paper, the sectionalized and blocked hydraulic lifting technology is proposed directing at the complex hyperboloid-shaped weld ball-node grid structure of the newly-built airport terminal in Xinjiang Korla Airport. Firstly, Numerical simulation is made to the sectionalized hydraulic lifting process,...

A new idea about analysis of reinforced depth is proposed. The consolidation degree of soil at any point is calculated base on the conventional consolidation equation for sand-drained ground, and the reinforced depth is deduced through the consolidation degree. The variation of reinforced depth is analyzed....

The dynamics model of a hypersonic spinning missile with two moving masses is established. Considering the inherent uncertainties of the mathematical model and the aerodynamic parameters, an affine model with external disturbances is established and an attitude adaptive sliding mode controller is designed...

Median filtering algorithm can make the edge details of the image fuzzy when it is used to remove noise of an image. In this paper a method based on extreme filtering is put forward for image denoising. Firstly extreme filtering algorithm is used to determine whether a pixel is a signal point or a suspicious...

This article presents a method for assessing surface emissivity at cryogenic temperatures using heat flow analysis. This approach calculates emissivity by directly evaluating heat transfer across the surface, providing a more efficient alternative to conventional calorimetric techniques. Unlike conventional...

Railway safety is an important issue of transportation system. In this paper, a network model is proposed for the risk analysis of railway system combined with the Fast Newman community detection algorithm. In the network model, nodes represent accident causation factors and links are generated if the...

In order to solve the problem that the output speed of the CVT is too high, an optimization of Pulse CVT Based on Improved Particle Swarm Algorithm is proposed. Firstly, an improved particle swarm optimization (PSO) algorithm is proposed, which can improve the accuracy and efficiency of the algorithm...

To quickly design automatic feed mechanism for ejector pin, the Solidworks Motion functional module of Solidworks platform is utilized to establish a motion simulation model of this mechanism, whose motion and the influencing conditions are described in a visual and intuitionistic way, and the major...

To master internal performance and design method of 2D-CD nozzle,the internal performance of 2D-CD nozzle was investigated by numerical simulation method.The influence of circular-to-rectangular transition duct outlet area to inlet area ratio and circular-to-rectangular transition duct length on the...

According to the market demand for high resolution cell phone camera,a 13 mega-pixels camera lens applying aspherical surfaces is designed using the ZEMAX optical design software. The lens is consisted by four pieces of aspherical plastic lens, an optical filter and a piece of protection glass. The lens...

There are two query methods of the structure query and keyword query on XML query. The keyword query is a more common way of XML query, which is often not accurate to the ambiguous of the keyword. In ordered to change it, the keyword cluster analysis is introduced to this paper, and the similarity of...

While creating new or upgrading already functioning production, problems of analysis of multiple technical and organizational options and the choice of optimal solutions arise. Currently, equipment is designed based on past experience and intuition, and technology parameters are calculated by taking...

The variational inequality and the nonlinear complementarity problems has been well documented in the literature.Many methods such as nonsmooth Newton method and interior point method were studied in the variational inequality problem,but there was a limited study of penalty methods for the variational...

The amino modification montmorillonite was prepared using the cetyl trimethyl ammonium bromide as modifier by the microwave irradiation and common heating method. According to the analysis of infrared spectra, scanning electron microscope and specific surface area, it is found that the larger amount...

Empirical Mode Decomposition (EMD) is a decomposition algorithm which is used to analyze nonlinear and time-varying. Different from the traditional signal analysis method, the decomposition is data-driven and self-adaptive. EMD has been widely used in blind source separation and received attention because...

To solve the problem adding white noise cannot be completely neutralized and it is not complete of Ensemble Empirical Mode Decomposition(MEEMD) the paper propose that combine improvement of EEMD and Hilbert transform to detect power quality disturbance. First ,decompose power quality disturbance signals...

Small-scale self-focusing (SSSF) causes the distribution of spatial intensity to become asymmetrical. Spatial distribution would generate new growth point during SSSF. We measure the spatial-temporal evolution for ultrashort laser pulse with different truncation parameter of knife-edge during SSSF. Our...

In order to build intelligent robots to accomplish soccer game tasks, this paper introduces evolutionary computing in agent architecture for perception, planning, and action: (1) an architecture based on PSO is proposed, which made up of 4 levels: atomic action, combo action, behavior and policy. (2)...

Equipment's property includes reliability, maintainability, testability, supportability and safety, which are called five properties. At present, weapons equipments function and performance design is separated from equipments' five properties design. And model design persons' work environment is isolation...

In this paper, we present an algorithm that based on the probability prediction of the dirty page's Pre-Copy algorithm, bring in a prediction algorithm of the bandwidth required for the transmission of the dirty pages. Mainly in the case of mutations of dirty page, Analysis of the probability of occurrence...

The main objective of this research is to assess the harvesting capacity of the deep rainwater harvesting wells as one of the solutions to prevent the ground water crisis. Water is life, for present and future generations. Groundwater is a renewable natural resource; however, over exploitation can cause...

CCTV headquarters was selected as the research object in this paper. The building is located in the sandstorm area of Beijing and is plagued by wind and sand all year round. In order to verify the stability of the building under various vibration conditions, ANSYS simulation software was used to analyse...

Floor drain is mainly used in bathroom and kitchen, play the role of drainage. However, after deodorant floor drain device failure, it becomes a floor drain vent, sewer smell manure elements, carbon monoxide, methane, hydrogen sulfide and other poisonous gases emitted into the interior space of the human...

The focus of the patent portfolio design lies in how to use the relevant patent portfolio tool to convert knowledge of the company or the patent to the activities of commercial value. It is important particularly to realize the target company with the matching degree of patent portfolio value. The paper...