Advances in Engineering Research

With the constructions of new-type towns, power demand in the towns grows constantly. In this paper, we have analyzed new features of towns and power utilizations in the new circumstances, and promoted morphological characteristics of distribution networks for new-type towns. We have stated several indicators...

Model checking is a popular model based formal automated verification technology. Computation tree logic is a prominent branching temporal logic for specifying system properties. In order to dispose of the state space explosion problem, we proposed a novel method based on BSP model employing Giraph which...

The aging of the filter material has become a key issue to limit its further development and application. The aging of the filter material is not only made the premature failure of equipment, a huge loss of materials, and waste of resources, but also the aging decomposition of materials caused the environmental...

Since the 18th CPC National Congress, financial reform of our country has entered the fast lane, the competition of commercial banks transit from blue sea to red sea, especially the emergence of the Internet finance, causes huge competitive pressure on the current commercial banks. Only if commercial...

This paper used PID, fuzzy and model predictive control methods to control the indoor air temperature and absolute humidity of an A/C system. Simulations were carried out with the three methods in Matlab and the three methods were compared in terms of static and dynamic characteristics. Results showed...

Damages of transformer, potential transformer, current transformer, circuit breaker, disconnecting switch, arrester and other kinds of high voltage electrical equipments in substation under different seismic intensities have been summarized based on the damage data of electrical power system during Wenchuan...

In view of the line loss control and the anti-electricity-stealing requirements faced by electric power companies, the design of the intelligent anti-electricity-stealing remote monitoring system has been proposed. The real-time monitoring of primary side of line current, the current of junction box...

The trustworthiness of safety critical system (SCS) is very important. To assess their trustworthiness depends on data from test. In order to ensure the reliability and validity of test data, especially for such complex SCS, development of test languages is inevitable trend for automatic test of SCS....

Based on the 3801 emerging industry research literatures recorded in CAJD, this paper uses bibiometrics method to analyze, summarize and evaluate the research results of emerging industry from literature time, journal distribution, subject distribution, carrier distribution, research scholar distribution...

In power grid inspection operations, there is an urgent need for mobile workflows based on power scenarios for on-site process management. This paper studies the workflow engine technology for power grid inspection operations, and designs a simple and easy-to-use mobile workflow architecture to guide...

The quality and yield of the finished product - cottage cheese - are influenced by various factors, including technological: the quality of raw milk, methods of coagulation of milk proteins, methods of processing the bunch, etc. Under the quality of raw milk for the production of cottage cheese, in the...

The 3D model of the oil-paper insulated transformer was constructed by SOLIDWORKS and simulated by Moldflow to optimize its vacuum-degassing technology. The number of the inside oil papers, the space of the adjacent two oil papers, the number and its distribution of the setting oil inlets are discussed...

In order to improve the recovery rate of sulfonamide antibiotics in sludge, and to optimize the extraction and determination methods of sulfonamides antibiotics in sludge, ultrasonic solid phase extraction -HPLC was used for the detection of sulfonamides antibiotics in sludge. First the determination...

Meetings are essential for organizational decision-making, yet manual minute-Meetings play a critical role in organizational decision-making; however, manual minute-taking often suffers from inaccuracy and inefficiency. This study introduces Smart Notulensi, a zero-shot dual-LLM pipeline for end-to-end...

Grouting water plugging after main inclined shaft of Dafosi coal mine engineering instance, to ensure the safety of the shaft wall in the process of grouting, for the purpose of borehole wall monitoring scheme is proposed. Using strain monitoring technique, the wellbore hydrological and engineering geological...

The maintenance capacity of EMU depot(EMUD) not only depends on facilities such as washing tracks and maintenance tracks, but also depends on the EMU circulation plan(ECP). The first-level maintenance of EMU is the most usual one and is almost during night as the special situation of ECP in China, which...

In this paper, the two-way coupling of flow and pile is simulated by using ANSYS Workbench. A comparison between the results of current force in one-way coupling, two-way coupling and code method has been made, proving a reference for the calculation of water flow in engineering. Four sets of influence...

Gradually expanding gap in the outlet of the Roots blower can effectively reduce the backflow impact and the noise of the blower. The working principle for the Roots blower with the gradually expanding gap is investigated in this paper. And the mathematical modelling for backflow is proposed. Numerical...

As one of the major methods used for geophysical exploration, Seismic exploration applies the propagation law of explosion excitation seismic waves in different strata to detect geological conditions underground. The vibration characteristics of explosion excitation seismic waves will influence the quality...

A CTCS-3 train control system is the key equipment for guaranteeing the safety, reliability and efficiency of high speed railway. Test sequence is the important document to guide the testing for train control system. Manual preparation of test sequence is characteristic of low efficiency and high demand...

Aiming at difficulty of weak characteristics of the nonlinear and low signal-to-noise ratio signals measured from diesel engine, a novel method combining second generation wavelet denoising and Hilbert Huang Transform(HHT) is proposed, and is used for feature extraction and condition evaluation of vibration...

The relationship between natural frequency and prestress-force is built to evaluate effective prestress-force of beams based on the theory. Two corresponding test mode beams are built up to verify the theory, the experiment results show that the natural frequency will decrease along with prestress-force...

Routing protocol is one of the core technologies of wireless sensor networks. RPL (Routing Protocol for Low-Power and Lossy Networks) routing protocol, designed by ROLL Working Group, is mainly implemented on the TinyOS and Contiki operating system. In order to extend the application fields of RPL, we...

Grid-side power converter is the key interface of the larger-scale wind power system connecting to the grid, with the continuous improvements of the penetration rate of the large-scale wind power equipment, the connected grid converter device plays more and more prominent influences on the large grid....

3D rigid-body model of a bucket of power shovel EK-18 was built using modern CAD (Computer Aided Design) software. A tetrahedral grid with 10-node second-order elements was chosen, and the given model was imported to APM WinMachine - model preparation preprocessor for finite element analysis. A finite...

The development of Internet of things has been listed as "12th Five-Year" planning, the development of logistics industry has become an important symbol of a country's comprehensive strength and scientific and technological level.The Internet of Things is one of the important strategies in today's world,...

With the development of intensive animal husbandry, which have brought a lot of problems? The pollution is more and more serious, which has becomes a threat to the agricultural ecology and food safety. At the meanwhile, the pollution seriously affected the healthy development of the breeding industry....

Coal gangue as admixture cement gelled material preparation, the preparation process of coal gangue calcined temperature of 600, using common P • O32.5R ordinary Portland cement, add 15% of fly ash and 1% of poly (carboxylic acid water reducing agent, chemical excitation agent with a purity of 99.9%...

Rice plants play a crucial role in satisfying human dietary requirements. However, they are vulnerable to diseases and various factors that can negatively impact crop yields and grain quality. Consequently, it is imperative to possess a comprehensive understanding of rice plant care and effective farming...

Implementation of 6G has been done in many countries. Expert said that 6G have more advantages than its predecessors. However, there will be challenges when we migrate to 6G. This paper review several technologies that has been used to migrate mobile system to 6G.

MgAl2O4 spinel, as support of the 10Ni/MgAl2O4 catalyst which used for coke oven gas dry reforming, was prepared by sol-gel, coprecipitation and urea hydrolysis method. The catalysts were prepared by impregnation. The MgAl2O4 and 10Ni/MgAl2O4 were both calcined at 800 oC for 5 h and the samples were...

Pedestrian Detection is a hot topic in recent years, which is attracting a large number of scholars. The detection models are developing from simple models to complex models and the detection accuracy has been greatly improved. DPM(deformable part model) become the best pedestrian detection model and...

With the aggravation of power demands, applications of power cables are more extensive. Researchers also start studying power cable fault location to find out a fault point rapidly and accurately, reduce losses effectively, and provide sufficient and continuous power supply. In the paper, by introducing...

Semiotics Approach to Product Architecture Design SAPAD originated from Semiotics, and is a method to construct product from three dimensions: behavior, product and signification. Through the analysis of the relationship of behavior—signification—object, user-centered product architecture strategy is...

This paper proposes a new detection method for accurate detection of dimension of thin sheet parts, breaks a traditional manual detection mode, comes up with a machine vision detection system, conducts research analysis of definition, application, principle and hardware structure of this detecting technique,...

The detection of fraud payments is one of the primary problems for cyber-security of payment services. Among all services, the exclusive ones are the payment systems of central banks regarding their critical role for financial systems, sheer volume and number of transactions and increased attention from...

minium; There are many advantages of high purity alumina. hydroxide as raw material, through making ammonium aluminum sulfate as precursor, prepared high purity alumina after high temperature in this study. By adding ammonia to adjust the pH of the precursor in this experiment. make range of pH from...

Chloride and freeze-thaw cycles are two main factors which cause deterioration of reinforced concrete (RC) structure in the cold regions. In this paper, the process of chloride ingress into concrete exposed to freeze-thaw cycles is experimentally researched. From the experimental results, it appears...

The Polyethylene(PE)/rutile nanoscale titanium dioxide (nano-TiO2) composites was prepared by compounding of PE and a modified rutile nano-TiO2 in a twin-screw extruder. Mechanical property and morphology of the composites were characterized by electronic universal machine and scanning electron microscopy...

Medical device is an emerging industry and also a combination of high complex technologies. Medical device is managed by the government with special regulations. In recent years, however, the sale of medical device fast increases. Marketing in this field, first of all to be eligible, and then have the...

The traditional power factor correction (PFC) LED drive power due to its input rectifier circuit for nonlinear circuits, can bring a large number of high frequency current to power grid harmonic, the rectifier bridge after large capacitor filter will reduce the conduction Angle of input voltage, reducing...

Phenolic foam with high flame retardation was prepared through intumescent flame retardant treatment with physical blending of ammonium polyphosphate(APP) pentaerythritol(PER) melamine(MIR). Test results showed that the phenolic foam achieves high flame retardation when APP/PER/MIR=4:1:0.5 (dosage: 25%)....

The world is becoming urbanized rapidly while the demand of urban construction land continues to increase, and the growth of urbanization will persist. Therefore,healthy and stable development of the city is particularly important.In this paper, we take Sochi for example. According to the Analytic Hierarchy...

Aiming at the problems existing in the fire disaster monitoring, such as lower automation level, the detection point difficult to change and expand, and lower cost performance compared with similar monitoring products, etc., an intelligent monitoring system for fire environmental parameters is proposed...

Recent advances in display technology have led to Liquid Crystal Display (LCD), Organic Light-Emitting Diode (OLED), Mini Light-Emitting Diode (Mini-LED), and Micro Light-Emitting Diode (Micro-LED) as the competing and complementing solutions. Their light-emission processes, physical principles, and...

This paper firstly summarized layering summation method which have been widely applied in calculating settlement of ground surface induced by dewatering in foundation pit, and then analysis the problem the method exist and put forward a new formula that embankment with pore through rate, which based...

The emergence of harmful gas will bring serious difficulties to the tunnel construction, improper handling can easily lead to accidents. In order to evaluate the possibility of harmful gas in the tunnel, the basic characteristics of harmful gas in tunnel are analyzed from three aspects, that is spatial...

An orientation distribution function is applied to describe the orientation distribution of polymer-fibers composites in shear-ellipsoidal extensional flow. And a mathematical model is established to simulate orientation distribution in this flow. Furthermore, the analytical solutions of differential...

Ultrafine particles PM2.5 produced during combustion is the main source of environment pollution and has raised the widespread concern around the world. There are several studies about acoustic agglomeration currently, but its removal efficiency is not high, so the scholars have proposed to join the...

A small four-rotor UAV transmission line inspection system is designed, which not only can cruise and avoid obstacles automatically, but also can be controlled with the remote. The system carries out data collection of transmission lines by the camera module, makes use of FPV technology to realize the...

The current transmission line is constantly improved and updated, in order to save space, a lot of back and multi-line double back. Power lines during the operation induced voltage is very large, you must mount the ground. Ground wire must be multi-strand copper wire, whose cross-sectional area of not...

Chinese traditional palace is an important component of traditional architecture. Gold box bucket bottom slot hall-type building is a kind of the highest rank traditional architecture in China. The main structure consist of frontal column layer, tile layer and roof layer, in which, the connection between...

This paper focuses on the mainstream three image restoration method, which is based on image restoration technology, based on a priori smoothness of image inpainting, texture similarity based on a priori statistical prior of image inpainting technology, according to the most popular method for the image...

Aiming at the challenges of the design and production of prefabricated components in the assembly construction industry, such as low design efficiency, diversification of component specifications, high mold manufacturing cost and so on, this study puts forward the use of digital technology, especially...

Molten Salt Reactor (MSR) is a liquid fuel reactor type candidate for Generation IV reactors due to its excellent safety system. A freeze valve is one of the safety systems used in MSR to prevent reactor accidents due to uncontrolled fuel temperature increases. The freeze valve is designed to melt when...

Closed-open cross wedge rolling(CWR) is a kind of advanced precision forming technology, which can effectively reduce or even eliminate the concave. The workpiece is processed from the shaft end to the middle by the rolls first, and then machined by open CWR. An auto pump shaft is taken as the research...

To improve the output characteristics of the double-action vane pump, a numerical simulation of flow field in double-action pump was carried out based on CFD. The study indicates that the reason of flow and pressure fluctuation in vane pump is because of "high pressure reflux". By applying the high-order...

Based on the phenomen of personal safety accidents of punching machine , this paper analyzed the factors of press working process personal safety incidents , described and compared the advantages and disadvantages of the safety device at this stage. Summarize some of these security issues still unresolved...

In this study, sugarcane leaves were used as the raw material. Three methods (cutting, rolling & cutting, and hammering) were used to smash sugarcane leaves for dry fermentation. The influence of different smashing methods on biogas generation by dry fermentation of sugarcane leaves was analyzed from...

Cytochrome P450 2C9 (CYP2C9), one important isoform of the cytochrome P450 (CYPs), mediates the oxidation of some important drugs. The inhibitors of this target often affect the metabolic rate of the corresponding metabolites and then result in undesirable drug-drug interactions (DDIs) in clinical. In...

Retinal fundus image plays an important role in the diagnosis of eye diseases. In order to have a comprehensive understanding of retinal image, doctors need to take pictures from different angles of the patient's eyes. Because of the movement of the eye and head of the patient, there are some differences...

This paper analyzes the development and present situation of industrial heritage in Wuhan, and sums up the methods of renovation and renewal of industrial heritage in Wuhan. The prospects for the development of industrial heritage conservation are also prospected, and suggestions for the protection and...

The control system of myoelectric prostheses req-uires high precision and rapid response. Many algorithms have been applied in prosthesis control. In this paper, Back-Propagation Neural Network (BPNN) and Multiple Nonlinear Regression (MNLR) are applied to predict handgrip force through surface electromyography...

SMEs in the national economy is an important part of maintaining market stability, and it has a very important role for the operation to ensure a rational pricing mechanism and to ensure full employment and promote sustained and healthy develop, and it ensures social stability. However, the presence...

A pot experiment was conducted to study the effects of exogenous melatonin (MT) on photosynthetic characteristics of eggplant under cadmium (Cd) stress. Five treatments were used in the experiment: leaves were sprayed with 0 (CK), 25, 50, 100 and 150 mol•L-1 concentrations of melatonin solution. The...

This paper constructs an index system for the measurement of the transformation performance of resource-based cities, and weight of each indicator is determined as per the expert group decision-making method on the basis of Analytic Hierarchy Process model (AHP). Further,the paper combines tangible indicator...

In this paper, we consider an autonomous Lotka-Volterra competitive system with stochastic perturbation and feedback controls. Firstly, we show the existence, the uniqueness and the positivity of the solution. Secondly, under a simple assumption, sufficient conditions for stability in the mean and extinction...

To deal with the synchronization of three-phase grid-connected converters, a synchronization algorithm based on virtual flux orientation is proposed in this paper. By introducing a low-pass filter and a high-pass filter, the orthogonal components of the virtual flux under the stationary coordinate frame...

We constructed the random SA-mixed models based on Sierpinski and 2-dimension Apollonian networks, which having scale-free properties. In this paper, we prove the scale-free of random SA-mixed network model by two of methods including statistical parameter and partial differential equation. We get the...

Sukaregang region, Garut Regency of West Java Province, is one of the centers of the leather industry, which is marked by the proliferation of leather products such as bags, jackets, shoes, and others. The leather jackets of Sukaregang have been well-known and penetrated international markets such as...

This paper discusses switched-inductor (SI)-based active-front-end (AFE) converters with a six-step inverter proposed for the speed control of a BLDC motor. The proposed converter is a non-isolated, high-gain converter (HGC). Brushless DC (BLDC) motor speed regulation is obtained by regulating the high-gain...

Studying on the mechanism of financial support for the urbanization of Guizhou Province is conducive to improve the urbanization level in Guizhou Province. This paper uses multivariate regression model, empirically analyze of the mechanism of the financial support for the urbanization in Guizhou Province....

In order to study the turbulent flow characteristics of nanofluid, this paper establish the nanofluid turbulent flow model in a spirally corrugated tube. In the condition of a certain temperature difference between import and export ( T = 60 K), different concentrations of nanoparticles ( = 0.01, =0.03...

The hydrophilic acrylic acid was used to modify the glass by grafting acrylic acid onto the plasma treated glass surface under the catalyzer of H2SO4. The results were analyzed from two aspects of composition and structure by attenuated total reflection FTIR ( ATR-FT-IR) and tensiometer ,respectively....

Aiming at the problem of reliability estimation of mechanical products in small sample size and time censored test under Weibull distribution, this paper proposed a method which combined Bootstrap and BP neural network for reliability evaluation. Firstly, Bootstrap method was used to expand the reliability...

Industrial robot arms are widely used in industry, The analysis of the force situation has important significance. In this paper, a kind of four degree of freedom of the combination of the mechanical arm has designed by using a three-dimensional software SolidWorks ,which is used for conveying materials...

Monodisperse crosslinked polystyrene (PS) hollow core microspheres were successfully synthesized by two-step dispersion polymerization. The effects of the reaction parameters such as the crosslinking agent concentration, the initiator concentration and the monomer concentration on the particle sizes...

Based on practice data, this paper focused on the market supply and demand relation and used the systematic method to analyze the brick type, block type, heat preserved new wall materials in Hebei province. according to the amount of chimney and the number of new wall materials and production, this paper...

A climbing robot’s moving mechanism based on permanent magnet adsorption is proposed, which has a four-wheel structure including two driving permanent magnet wheels and two universal wheels. The problems of the robot’s adsorption reliability is put a special effort to study. The force situations of robot...

This paper is focused on the situation that the by-product ammonium sulfite produced in the flue gas desulfurization of ammonia process,which carried ozone oxidation experiments. In the reaction container, studied the effect of the factors as oxidation reaction temperature, pH value, ozone flow and initial...

With the widely spread of the concept of integrated electronics, intelligentization has become a trend of future home living, thus, rubbish bin, as a kind of common household appliance, also need to be equipped with intelligence. The rubbish bin is designed on the basis of wheel robot, which could move...

In recent years, the basal reinforcement technology, particularly with geogrid, had been widely used in soft soil treatment to stabilize embankment slopes in China. In this paper, two centrifugal model tests were performed to compare the reinforced and unreinforced embankments as well to investigate...

It took the project Rainbow Boulevard (Workers Road ~ City Center Road) of Xiaoshan District as the study background and object. Through the monitoring of horizontal displacement of deep soil and the analysis of supporting axial force of steel rebar in different stages of excavation, the rules of stress-strain...

Grasping the field distribution rule of oxygen, gas and other gases in gob of coalmine is the basis to study the oxidation spontaneous combustion, gas combustion and explosion of gob, having important significance in coal fire prevention and gas control of gob. Due to the destructiveness and concealment...

IPv6 (Internet Protocol Version 6) is the next generation of IP protocol used to replace the current version of IP protocol designed by IETF(Internet Engineering Task Force),and applying IPv6 technology to the wireless sensor networks (WSN) will be a hot spot of research. Combining with the characteristics...

The study and analysis of the morphological markers of cher-nozemic soils erosion class have determined that typical cherno-zem on slopes with inclination from 3 to 4 degrees of both southern and northern facing features weak to moderate out-wash of humic layers; leached chernozem features weak to strong...

Pallet refers to pile up one by one per certain mode to facilitate the transportation logistics activities used as material handling, storage, loading and unloading of unitized pallet. This paper mainly introduces a design of heavy-load palletizing robotic structure for coating handling, special grabs...

Bathtub is a kind of pipeline device used in bathroom or shower,which usually used in the family bathroom.Most modern bathtubs are make from strength (acrylic) or glass fiber,In the fast pace of life space, bathtub is a good way for people to cleanse and relax. In this paper, we only talk about the bathtub,...

In order to improve the production efficiency of peanuts in China and increase the yield,a kind of adjustable air suction seeder with plug board is designed for peanut seeding .The seeder is designed for efficient seeding of large seeds such as peanuts.This structure can quickly finish the replacement...

Anomaly localization in dynamic graph neural networks (DGNNs) is very important to detect faults and abnormalities in complex systems like water supply and electricity networks. Online anomaly detection is demanding due to computational overheads during graph traversal in Dijkstra’s Algorithm. In this...

Hepatitis B is a potentially life-threatening liver infection caused by the Hepatitis B Virus (HBV). Despite the availability of vaccines, the disease remains a global health challenge. This research applies data-driven approaches using Machine Learning (ML) models to analyze patient data and uncover...

The prediction of equipment malfunction is crucial to guarantee its safe operation and improve its management efficiency. Combining with the character of cloud manufacturing, this paper makes the malfunction prediction of the cutting machine come true, which is based on the improved Apriori algorithm....

In order to ensure the traceability of the instruments for automotive testing laboratory, the article describes the necessity and significance of in-house calibration in automotive testing laboratory, according to the CNAS- CL31 " Requirements for In-house Calibration " proposed five important aspects...

The stability of high energy consumption data acquisition system in addition to the traditional energy consumption data acquisition, processing and upload function, but also on the acquisition of communication protocol is analyzed and improved, to improve the accuracy of the data. Design breakpoint transmition...

With the rapid development of network technology, how to ensure information security is r a severe test. In this paper, The experimental environment is based on the enhanced by trusted or trusted network equipment, with trusted measurement evaluation index for the data source assess the situation of...

The line of sight (LOS) information which detected by strapdown seeker is coupled with missile attitude information. On the other hand, since the instantaneous field of view is wider, the noise levels of strapdown seeker are higher than those of conventional gimbals seeker. According to the relationship...

At present, the computer network security has become a global problem, it is because of this open characteristic of computer network, the risk of infringement is increasing. Even at home and abroad the prevention and management of computer network security have been improved, network security always...

This research presents an experiment utilizing machine learning technology in an automatic simulator designed for sorting fruit by type and color conditions. The simulator is integrated with a real-time monitoring system that uses deep learning algorithms. The deep learning methods applied enable automatic...

The development of science, technology, and information at this time in the electrical field is very rapid, especially in the design of control system technology that can affect people’s lives to move forward (modernization), practical, and semi-automatic. An automated system of equipment that overrides...

The shear stress-generating system is designed and calculated in low-frequency mechanical spectrum apparatus to obtain the 10-3 relative strain for the pure Al specimen with dimensions Ø1mm×50mm in this paper. The physical dimension of Helmholtz coil, the specification of enamel wire and the number of...