Advances in Engineering Research

Liquid soap plays a very important role in people’s lives, but if the manufacturing process is not done well it will have fatal consequences, such as in the process of making liquid soap in SMEs (Small and Medium Enterprises) many still do it manually or semi-automatically, the target users are small...

With the rapid development of the new generation of information technology, intelligent construction, as an innovative engineering construction mode, has become a key method to solve many practical problems in the construction industry, and it is also an important starting point to promote the transformation...

This paper takes the intersection of Renmin Road and Tanan Road in Jiaozuo City as an example and carries out traffic organization optimization, evaluating its service level by calculating the capacity, saturation and saturation flow rate, while finding out the optimized timing scheme according to Webster...

This paper addresses the technical challenges in the cantilever construction of large-section prestressed concrete continuous beams in deeply incised valley environments. Taking the Shoupanyan Bridge as the engineering background, the corbel-type bracket construction technology, intelligent circulating...

This research aimed to develop a pheromone-based smart mosquito trap for reducing the regional and temporal occurrences of mosquito-transmitted pathogens. The study was mainly concerned with killing mosquitos in a very large area without negatively impacting the physical health of living beings. The...

Impedance matching balance transformer is often used as the main electrified railway traction substation transformer. In order to solve the problem that traditional fault diagnosis method could not accurately identify the internal or external failure, it is proposed an identification algorithm of recursive...

With the high costs of power, energy efficiency has rapidly become a critical consideration issue when evaluating data centers. Energy efficiency metric can be used by managers to measure and maintain the implementation of cost saving and Co2 emissions in data centers. In this study, A metric model for...

In order to study the back analysis accuracy of different algorithms of neural network for back analysis of tunnels surrounding rock. Firstly, the main parameters influencing the deformation of tunnels surrounding rock are analyzed by orthogonal test. Secondly, a FLAC3D numerical model of the tunnels...

With the ever-increasing design scales of electronic products and weapons, it is essential to make a design for testability (DFT) in the process of product research and development. To confirm the correctness of testability design and analysis, it is necessary to perform testability verification for...

At present, it has many bid evaluation of construction units that mainly rely on an expert scoring method to determine the successful bidder. That is the reason why the evaluation process has a great subjective. Thus this paper wants to propose a comprehensive evaluation model by combining entropy method...

Big data technology can integrate the mass data in some certain ways to unearth products and services of huge values to promote the economic and social change. This paper analyzes the characteristics of the information resources in the era of big data, points out the necessity of information resources...

We make a dynamic contact analysis for a pair of gears in the first stage device of the RV reducer by the 3 d modeling software Pro/E and the finite element analysis software Abaqus. The simulation results are the dynamic changes of the stress distribution on the tooth and the results are compared with...

the results of scaled acoustic laboratory experiments with noise barriers are reported. Short impulsive spherical sound wave with broad frequency spectrum is used as controllable sound source. Using spectral analysis the insertion loss spectral functions were calculated for experiments with different...

The circular loop source is calculated by the method of inscribed polygon inner the circle or numerical calculation. The former uses decomposed polygon in each side with electric dipole, then stack all the electric dipole response; the latter adopts the method of digital filter to calculate the integral...

The article presents the structure of a subminiaturized eddy-current transducer (EST) of a transformer type with the exciting, measuring and compensation windings, which is based on the pyramid-shaped core providing the localization of the magnetic field on the area of 0.0025 mmý. It also presents the...

Take MCS-51 series as an example, introduced a high-speed control scheme of single- chip solutions for large LED screen display.The control of SCM for LED display screen generally start read data from data memory then write the data to LED dot matrix tablets. The innovation of this program are that use...

Tube hydroforming is attracting more and more attention in many industrial fields, especially in automotive industries and aircraft industry. In this paper, aiming at the problem of the match of axial force and internal pressure, the results of experimental research on the influence of loading path on...

The paper introduces the design using capacitive humidity sensors to detect the humidity. By 555 oscillators, the capacitive humidity sensors can change the output frequency. The microchip controller can account the frequency and then according to the math equation, obtaining the humidity information.

A novel swing crank-slide bar beam pumping unit composes of motor, reducer, crank, slider, guide rod, frame and wire rope. Up and down stroke is performed by slider moving along guide-rod guide apparatus resulting guide rod up and down movement against supporting point of pumping frame. Crank automatically...

Based on Mindlin displacement solution, we fully analyze the mechanical behavior of ground surface settlement caused by tunnel construction. In this paper, modified formula of ground deformation induced by ground loss is offered and applied to estimate settlement induced by the double-line tunnel construction...

Elastomers are necessary materials in building materials. Mouldy materials will not only influence the surface view but also mechanical properties. In this paper, maleoyl chitosan (MCS) was selected as antimicrobial for improving natural rubber (NR) materials' antimicrobial properties together with mechanical...

To reduce the steam loss and raise the efficiency of the steam turbine, the vapour seals are applied in the inner cylinder of the steam turbine. The small gap may easily results in the rubbing happening in the inner cylinder. Sometimes, the rotor is a flexible rotor. In this paper, dynamic response of...

In order to understand the rule of water, temperature and deformation in the process of frost heaving and thawing settlement, carry out the soil column model experiment, record the change of temperature, moisture and deformation during the experiment, draw the line chart and analyze the process of soil...

Edible coatings have been used to prevent physiological disorder caused by minimum processing. The aim oh this research is to study about the physical properties of edible film carboxymethylcellulose with the addition of essential oil and its ability to inhibit browning and microbial growth on fresh-cut...

Reliability analysis of bolt-shotcrete support system is essential for the stability control of the underground tunnels. This paper presented a new analytical method for the reliability analysis of bolt-shotcrete support system. Considering the difference of the stiffness of each support unit, the bolt-shotcrete...

This article reviewed various arguments about environmental regulation and its theoretical basis, combined with the practice of environmental protection in China's enterprises, put forward several directions for further research, so as to provide a decision-making reference for the environmental protection...

The collaborative filtering recommendation implements recommendation by using his neighbor user's preference. And the similarity calculation is the key. The traditional similarity calculation neglects the impact of co-rating item number and user average rating on similarity calculation. This causes the...

In this paper, through different reinforcement ratio and basalt fiber content, ultimate bearing capacity, stress-strain of regenerated concrete beam of basalt fiber were studied. As the result, basalt fiber reinforced the flexural performance of the recycled concrete beam obviously , the proper ratio...

In order to analyze the difference between temperature rise and the current carrying capacity of cable lines in pipe and tunnel, this paper first analyzes the temperature rise under the laying condition of tunnel and pipe and the calculation method of load flow, and applied the same test current on a...

Reliability design of mechanical components mostly focused on establishing pure theoretical mathematical model at present, without involving measured information for working components and gradual characteristics of parameters into theoretical model, which caused some error for reliability design of...

In this paper, in order to achieve intelligent scientific information sharing of local universities as a starting point, the characteristics of cloud technology and the sharing requirements of scientific information resources has been analyzed. Using cloud technology to manage local scientific research...

The mechanical system of large-scale medical imaging equipment SPECT is complex and expensive, so it is difficult to carry out the reliability test with a large number of physical equipments. The virtual test method is used to evaluate the reliability of the system. The virtual prototype of SPECT mechanical...

Currently we are battling with the outbreak of a new type of infectious disease known as coronavirus disease 2019 (COVID-19). This virus causes severe acute respiratory coronavirus 2 syndrome (SARS-CoV-2). The spread of SARS-CoV-2 from human to human becomes the main transmission source; hence the rate...

Developing countries tend to have problems in the form of people often encountering the phenomenon of congestion. Public transportation is one of the assessments of the quality level of development of an area or country. The government continues to try to unravel the phenomenon of congestion that occurs....

With the acceleration of urbanization and the expansion of city scale, the number of super-large and megacities has increased, which has led to a new round of upsurge in the construction of underground comprehensive pipe gallery projects. In this context, the safety of gas tanks has become the focus...

With the development of the economy, society now has new requirements for carbon emissions. In order to peak carbon dioxide emissions by 2030 and achieve carbon neutrality by 2060, it is necessary to develop the use of recyclables and reduce the waste rate from now on, thereby reducing carbon emissions....

The main problem faced by Plasa Telkom Binjai is the man- ual data collection process for Orbit modem sales using Microsoft Excel, which is inefficient, error-prone, and makes reporting difficult. To address this issue, this study designed and implemented a web-based sales data collection information...

With the rapid development of computer network technology in the application of computer networks, the importance of network security issues become increasingly prominent, computer network security is a growing concern of the community. Faced with the problem of computer network security risks exist,...

In this paper, the transient model of heat transfer is established based on the two fluid model and the non-steady state heat conduction model of solid wall. The additional acceleration model is introduced in order to study the influence of flow channel shape and motion on the boiling flow and heat transfer...

More and more websites have realized the importance of providing personalized recommendation by Recommendation System. As a supplement and improvement of Search Engine System, Recommendation System can be applied in the graduate employment websites to supply personalized employment guidance and recommendation...

Data mining represents a change from validation-driven data analysis to discovery-driven data analysis. In the verification-driven approach, the decision maker must assume the presence of important information, collect information and use it to substantiate such assumptions. Due to the size and complexity...

"Big data" is a popular keyword in recent years, and data related to the power grid mainly character huge amount, high complexity and broad sources. As low voltage has great influence on normal daily power utilization, besides good real-time monitoring and exception handling, a model based on big-data...

Recent clinical data clearly demonstrated that patient's own immune system has great potential in controlling the progression of many human cancers. Neoantigen is the foundation of tumor immunology for it is the "marker" for mature autologous T lymphocytes to distinguish tumor cells and normal cells....

At present, there are problems in the mainstream network education system in domestic. It is important to carry out autonomous learning and collaborative learning support to solve that. In combination with the relevant education theory, the teaching mode under network environment can be transplanted...

Seat Belt Reminder Device as one of effective way to improve the rates of belt wearing, which be installed in every coach, but the SBRD only reminders the driver and the front passenger, while ignoring the rear passengers. The annual passenger vehicle accident reports show that there are always some...

The most common forms of offshore wind turbine foundation are single pile foundation, but the loads and the overturning moment make it different from foundation of offshore oil platforms. The elastic-plastic element of the ABAQUS is to be used to simulate failure modes of pile foundation in soil clay....

In view of the current avionics system especially the communication configuration information model of avionics system based on AFDX bus accessing difficulties, and the aircraft needing to change the manual for rectification, by summarizing the characteristics of AFDX network bus and end system in the...

Critical proportioning method is an important and widely used method for PID engineering tuning. Since textbooks only introduce PID parameters tuning steps and simulation examples, without giving the value of critical proportion amplification coefficient (CPAC) and the research on system’s stability,...

The nutritious value of corn oil is gradually recognized by the public, while with the expansion of its production, how to detect its quality has become a tough problem. The research performs data analysis on the infrared spectrum of corn oil to inspect the quality of corn oil by adopting neural network...

In this paper, a novel approach to dynamic output-feedback control is established for positive systems with interval uncertainties. Necessary and sufficient conditions for the existence of robust controllers are established.

Robot was developed to give a new mean of mechanization and automation of the production process. The design of the robot is used in the automotive automatic production line for loading and unloading of the workpieces. It is from the base, the mechanical arm parts, the wrist rotation parts ,and the Interchangeable...

The assembled concrete structure has the advantages of energy saving, environmental protection and high construction efficiency. It becomes one of the important directions in the development of civil engineering. Grouting material is an important material of the prefabricated components connection at...

The traditional OA system cannot meet the requirements of modern enterprise. Currently the widely used distributed workflow management system (DWFMS) has the problem of load balancing, which makes the enterprise efficiency unimproved. In this paper, on the study of the DWFMS, the model design of common...

Isolating the ultra-precision machine from vibrating base is importance in engineering fields. And the vibration isolation system is applied to reduce transmission of vibratory forces to the machine or the foundation. With the development of the vibration control techniques and force actuator in industry,...

the paper substantiates the necessity of the CFD analysis of the underwater vehicle. Algorithm of hydrodynamic coefficients computation is presented. The initial conditions and environment model for computation are defined. Authors discuss results of simulation and propose the approach of hydrodynamic...

Electric vehicle as a new kind of transportation vehicle has broad application prospects in our country. Charging facilities which provide energy with electric vehicles are important infrastructure in vehicle industry development. The equivalent model and working principle of AC charging spots are studied...

Industrial pipes conveying fluid in the long process will produce dirt, which affects the efficiency of transmission. This paper presents a design applicable to pipeline clean-up program. The use of high pressure rotating nozzle head is designed to use high-pressure water jet to clean up the striking...

On the basic of nonlinear model of pitching channel of airship, assuming the condition that the information of the unknown portion of the assumed airship model satisfy the norm-bounded condition and the boundary is known. A adaptation method has been used to solve the unknown information problem in this...

The significance of resident survey in the region. In the study, the environmental awareness of the residents in Pearl River Delta is analyzed with the sixteen dimensions to realize whether there are differences in the attitudes of the residents in Pearl River Delta in solving environmental problems,...

The issues related to determining the non-sinusoidal voltage coefficients at large industrial enterprises of non-ferrous metallurgy with a high specific weight of non-linear loads containing higher harmonics voltage components require special attention. The questions concerning development of an experimental...

For the multi-parameters evaluation problem of wind turbine operational status, the principal component analysis (PCA) methodology is firstly used to reduce dimension, standardize and de-correlate to the SCADA data of wind turbine operation, and get the principal component of the wind turbine operational...

To meet high frequency oscillating and light load conditions, a kind of self-lubricating spherical plain bearing used in the helicopter main rotor system is developed. The self-lubricating liner material is designed and woven with PTFE+Nomex fiber by three dimensional weaving process.The high-performance...

According to the transport characteristics of coal ash and dust, a pneumatic conveying equipment control system for coal ash is designed in this paper. The automatic control of pneumatic conveying equipment is realized. The structure of mechanical system, control system hardware, system software and...

Consumption data not only constitute the basic premise for analysis of, but also provide the basic reference for production, ordering, storage and supply of maintenance materials. This article designs a handheld terminal of consumption data acquisition, which can greatly overcome the disadvantages of...

Agriculture in Western Siberia is a dynamically developing sector that has its firm foundation in results of agricultural research. Plowing-up of high-fertility soils led to changes in the direction of soil formation. It reflected in their quality and productivity. Vastly increased anthropogenic burden...

Characterization of natural products based on the antioxidant activity gains tremendous interest in the past decade. In the current work, the antioxidant activity of the methanolic extract of Ageratina adenophora and Ageratum conyzoides leaves were determined. Both plants belong to the family Asteraceae...

A series of experiments for the melting of cast iron GI15, according to the sandwich-type scheme of the process with a modifier (composition 1, 2, 3) did not reveal any significant differences in the mechanical properties of the modified samples, depending on the mode of administration. Surface examination...

The principle of an additional control in an adaptive friction clutch with a positive feedback is suggested. The authors found the dependence of a torque value of the additional feedback actuation device on the current value of friction coefficient when the clutch with the positive direct-action feedback...

In order to study the influence of wind - hydro hybrid power plant on power grid, the paper represents the method of wind - hydro hybrid power plant, a simulation model combined wind turbine system, hybrid power system with electrical network, SVC, PSS and large hydro power plant was built by Matlab/Simulink....

This large scale engineering project is a complex system. How to effectively manage large engineering project is a problem at present. Firstly, this paper studies Project Breakdown Structure, and then establishes a model of integrated management for large engineering projects based on PBS and Hall three-dimensional...

The research of stock price prediction is very important. Traditionally, the stock price is usually processed as a time series. However, the modelling of such time series is extremely important and vital, and has been attracting the attention of both practitioners and researchers. In this paper, the...

At present ,the prediction result of highway traffic noise is quite different from the actual situation ,the main reason of which is that the prediction model of the sound source is not perfect .This paper considers the actual height of highway sound source ,uses acoustic simulation software to build...

Tacca tubers (Tacca leontopetaloides) was used to produce many kind of foods but has limit in utilization. Tacca tubers has a high starch and amylose content which can be a functional food by increasing the resistant starch content. The objective of this research was to evaluated the effect of autoclaving-cooling...

A tool is constructed for Indoor Air Quality (IAQ) pre-assessment of pre-school buildings on the basis of a methodology that incorporates structured expert judgment and analytic hierarchy process (AHP). The tool calculates the level of indoor air pollutants such as Carbon Dioxide (CO2), Carbon Monoxide...

Beef is an agro-industrial product that is perishable has a high risk in the pandemic era. The Covid-19 pandemic impacts decreasing consumption of products in various sectors, including beef, with the closure of restaurants and cafes, will affect the accumulation of beef supplies so that the quality...

Floods are one of the disasters that often occur in Indonesia. The problem that always arises when floods are the overflow of river water into residential areas that cannot be stopped and causes flooding. Therefore a problem arises, namely the flood detection system that makes flood warnings, which previously...

Environmental Product Declarations (EPDs) are increasingly recognised as essential instruments for advancing sustainability and transparency in the construction sector. Yet, their development, application, and policy uptake remain unevenly distributed across the Global North and South. This systematic...

Earth System Models (ESM) are model that can forecast, and simulate past, present, and future situations including climate change. The local climate has not been well represented by ESM results. The Statistical Downscaling (SD) approach is one attempt to solve this issue. Climate studies in high-latitude...

In ship operations, spare parts management plays an important role in ensuring the availability of components required for ship maintenance, directly impacting downtime and improving operational efficiency. This research also analyses how digital servitization - a digital transformation that integrates...

The study aims to determine the directions that can be implemented in improving the quality of Public Open Spaces in Palu Bay based on visitor perceptions and preferences so that it is expected to be a consideration in planning and designing to support the creation of quality public open spaces. Data...

This thesis focuses on path planning for driverless vehicles and discusses various path algorithms in depth. Driverless vehicles need path algorithms that can plan the optimal route from the starting point to the endpoint for the vehicle based on the map and the destination, taking into account the traffic...

The paper is dedicated to the proposal of optimal composition of factors to determine the premium rates of the compulsory contractual motor third party liability insurance in the selected insurance companies. The main aim of this paper is to find dependence of the premium rates on each factor by usage...

Jason stochastic seismic invention method of simulated anneal is applied in developing oilfield blocks,improved reservoir description precision and oil-gas identification.In order to understand the spatial changes of Xing'anling group reservoir in Suderte oilfield Bei14 block, according to seismic,logging...

On the basis of experimental study, we used the finite element software ABAQUS to establish the nonlinear finite element numerical model of multi-ribbed composite wall, simulating model for reference [7], analyzed the stress of multi-ribbed composite wall structure, and the test results and the finite...

Nowadays, 3D simulation technology is widely used for training electric grid employees in term of simulating transformer substations. However, there is also the need for accident handling and simulation that transitional 3D technologies cannot be applied. This paper introduces an accident-based 3D simulation...

Wind power technology is currently the world's fastest growing and has the most economic benefits of all kinds of renewable energy generation technologies, but the randomness and intermittent of the wind speed and will directly affect the wind farm output. In this paper, the impact of new energy wind...

This paper describes the design of an on-line monitoring system for grid-connected photovoltaic plants. The proposed system consists of a meteorological data collection system for measuring meteorological parameters (e.g. irradiance, ambient air temperature, etc.), a set of data collection boxes for...

To explore the heat and fluid flow characteristics of normally impinging round air jet, a large eddy simulation (LES) of the jet flow at a jet-issuing Reynolds number of 4400 for a orifice-to-plate distance equal to five jet nozzle diameters was encompassed using a computer code OpenFoam. A comparison...

According to the engineering requirement of power distribution network reactive power compensation, the paper presents a software and hardware design method of the STATCOM based on DSP. In order to stabilize the PCC voltage around a prescribed value in the direct current control mode, the three-level...

in this paper, a prediction method was advanced for residential space heating demand under the fuzz environment. This developed method improved the traditional heat load duration curve method via the quantification expression technique for the fuzzy heating durations. The results indicate that the higher...

In view of the features of the remaining oil after a period of production since secondary infilling adjustment of water flooding development oil field, that is, low quality, uneven planar distribution and high vertical dispersal, study on tertiary infilling adjustment optimized well spacing has been...

This paper presents an algorithm of image segmentation of region of interest (ROI), extracts the ROI of a palmprint image and studies the composing features of palmprint. This paper constructs a coordinates by making use of characteristic points in the palm geometric contour, improves the algorithm of...

Mining is a hazardous activity and capital intensive in nature too.  The cost of stoppage of mines, for any reason, for few hours is enormous. The mines need to minimise the stoppage times to improve productivity and to reduce costs. Mining companies should have to go for large size blasts to achieve...

Describes a new more efficient double-tee rolling bar comprising a wall and two flanges and having invariable sectional area equal to the cross section of standard profile, wherein each of the shelves is conjugate with the wall by a pair of circular triangles, with the radius of each of them is where...

The emergence of pillar-free pillar technology instead of coal pillar technology has raised new requirements for safe production of coal mine. Based on the analysis of gas source, the effects of total pressure change, air flow and main fan stop on gas emission were expounded respectively. At the same...

The battery is important storage device in the photovoltaic power system. To reduce the investment cost and to prolong the service life of battery, a three-stage charging methord for battery in photovoltaic power system is presented in this paper. The simulation model of the battery charging system has...

The NiAl-based composite strengthened by TiC and Al2O3 was synthesized by thermal explosion and hot extrusion. Its microstructure and mechanical properties were investigated by XRD, OM, TEM and HRTEM. The results reveal that the NiAl-TiC- Al2O3 composite can be densified with less porosity. The NiAl...

Tm3+-doped Li2O-SrO-ZnO-Bi2O3 (LSZB) glasses that are suitable for optical amplifier applications have been fabricated through the conventional melt-quenching method, and the spectroscopic properties of Tm3+ in the glasses were characterized. The density, the refractive indices, the optical absorption,...

An improved active learning method taking advantage of feature selection technique is proposed. In early stages of active learning, the whole dataset is described using only the few key features, so that its overall distribution characteristic can be learned easily, reducing active learning’s possibility...