Advances in Engineering Research

Polyurethane foam concrete is prepared by solventless two-component polyurethane materials, cement, KC-15 composite blowing agents and calcium stearate foam stabilizer. It discussed the synthesis mechanism and studied the preparation process for the preparation of polyurethane foam concrete in the paper....

Based on the frequency control of power system with wind turbine, this paper proposed a general model for energy storage system. On this basis, a method of power network frequency control based on particle swarm optimization (PSO) is proposed. By finding the optimal location of the particles, the optimal...

In this paper, R1234ze and R32 will be mixed in 2 different proportions. And it will be used to make comparative experiments with a traditional mixed refrigerant (R410a) in air source heat pump water heater. By analysis the data of experiments some intuitive charts will be made. The results show that...

Based on the analysis of the hard roofs movement law in the a mine short wall stope, a kind of caving technology combining the deep hole blasting and the shallow hole blasting is put forward. The advantage of this technology is to set deep hole blastholes in connection drifts so that the blasting down...

Taking 5083 aluminum alloy plate in cold bending test for example, according to the different measuring results of the elastic rebound angle, the bending properties of 5083 aluminum alloy is studied.And the data statistics and analysis are finished,The experience curve of “the rebound angle with R/s”...

Scheduling production of steel is very complex because there are many different types of intricate constraints. This paper proposes a method using priced timed automata(PTA). PTA is the formal description method and it describes the behavior of entities, attributes and constraints. Furthermore, it adds...

Considering the country attaches great importance to energy conservation and emission reduction, Low-carbon transportation and the commuting of Hohhot’s serious transportation inefficiency causes the destruction of the atmosphere and the useless consumption of energy, time and other resources, as well...

Combined with the features of bamboo, to discuss how to release the qualities of bamboo using the unconscious design skillfully, and show "humanism" of bamboo furniture to achieve harmony between man, machine and environment.

Generally, during earthquake events, underground structures have experienced a lower rate of damage than surface structures. Nevertheless,some underground structures registered significant damages in large earthquakes (the 1995 Kobe, Japan, the 1999 Chi-Chi, Taiwan, the 1999 Turkey, the 2008 China)....

In this paper, modal analysis of rigid-vehicle-loaded girder bridge vibration based on perturbation method is presented. The governing differential equation for the girder bridge free vibration analysis is established by introducing a dimensionless parameter, the relative mass, which is the ratio between...

The task of recognizing 3D gesture for controlling equipment is highly challenging due to the propagation of 3D smart TV recently. In this paper, the Ada-Boost algorithm is applied to 3D gesture recognition by using a Kinect sensor. We recognized time-invariant 3D gesture using global and local feature...

Beryllium is a specific metal, its atomic configuration is ls12s2 and affects the shape of s valence band and p valence band because there is no electron in the p sublayer, which dimers bond length is 11% more than inside and (0001) atomic spacing shows 6% abnormal expansion. Compared with other elements,...

The horn is one of the essential parts of the car, the main function is to alert pedestrians and surrounding vehicles around the vehicle, to protect the safety of the pedestrian and vehicles. In the paper, the pulse commands to control the servomotor drive and limit of the limit switches to control both...

The increase in the level of motorization in the country leads to an increase in the intensity of traffic on the main highways of settlements. At the intersections of the road network, there are unacceptable, in terms of safety, conflicts of traffic and pedestrian flows. Therefore, the development of...

The development of computer technology has now been integrated into our daily lives and played a good role in the integration of various production activities and other technologies. This article will briefly discuss computer-related applications and developments, and combine information security with...

Results of development of technologies for purification of coal-fired power plants from nitrogen and sulfur oxides in the frame of Russian-Chinese Project No. 14.583.21.0004 are presented.

The development and application of Decision Support System (DSS) promote the development of related industries, special equipment accident analysis also need the support of decision support system due to variety kinds of special equipment and changeable accident cause. It was expounded definition, development...

This article mainly Analyses the Strategy for Water Resources. First, we provide a model to discuss the ability of a region to provide clean water to meet the needs of its population. We pick Egypt to investigate why and how water is scarce in that region. We set the coefficient of the ability as (t)...

Urban infrastructure development, particularly integrated utility network systems, faces increasing complexity in cities like Denpasar due to spatial limitations, the diversity of utility types, and the need for inter-agency coordination. This study aims to identify the most suitable construction method...

The demand for building materials is increasing due to rapid urbanization, imposing an extensive amount of pressure on natural resources, especially aggregates. This study explores a novel and sustainable method of producing artificial stones for road building using cement, stone dust, and iron slag...

This paper reports a three year research and development project on the design of a lesson plan based on an educational research framework for the inclusion of a local indigenous cultural context into chemistry education. The research was intended to foster education for sustainable development (ESD)...

Nowadays, one of the primary causes of increasing adult and kids death rate is brain tumors. Most worldwide research has found that throughout the previous few decades, the number of people suffering from and dying from brain tumours has increased to 300 each year. Early brain tumour detection is still...

A distributed and decentralized smart water storage and trading platform based on blockchain technology for sustainable water supply has been demonstrated in this work. Users in the platform are able to share water resources by selling off or buying in the amount of water that they need. All transactions...

Conventional grid has limited power generation resources. Therefore, we need an architecture which fulfil the power demand of the users and can restricts the excess use of power beyond the limit. Since the past few years, smart grid has become a better architecture as it can manage the crucial part of...

This study investigates the thermal stress and displacement in concrete filled steel tube (CFST) induced by hydration heat through numerical simulation. The temperature field, stress distribution and displacement caused by cement hydration are systematically examined. The effect of ambient temperature...

Based on Government Regulation of Indonesia no. 50 of 2012, every company has to implement OSH management system. XYZ University, as a university with lots of students, lecturers, and staffs, also needs to implement OSH management. OSHE organizations show the implementation of OSHE management at XYZ...

To investigate the interference of engine oil combustion on the detection of flammable liquid residues in motor vehicle fires, this study analyzes the characteristics of engine oil combustion residues and compares the differences in extraction methods for GC-MS and GC/SCD analysis results between engine...

This article uses the LSTM long short-term memory model to predict the throughput of major coastal ports in China and remote sensing images of port night light, and explores the correlation between remote sensing images of port night light and sulfur emissions. Research has shown that the cargo throughput...

This study examines the effect of the blackening method on the corrosion rate of Widia Tools in seawater and rainwater immersion media. Blackening is a black oxide coating process that aims to protect metal from corrosion and increase wear resistance. The blackening coating procedure goes through the...

Brondong Lamongan Village has fisheries potential with an area of 15,000 ha. The percentage of the population who work as fishermen is 19,881 people or 26% of the total 76,485 people or 100%. This indicates that the majority of the Brondong Lamongan Community work as fishermen. However, the fishing methods...

Clothing industry has long been the important sector of the economy in our country, our country has become the largest garment producer and exporter, but from the clothing powers and the larger gap. Under the background of economic globalization, the apparel industry must strengthen the use of computer...

We investigate the relationships among revealed comparative advantages of Capital-technology-intensive industry, GDP per capita and households deposits in China. With the non-stationary sequences of global Capital-technology-intensive products' exports, we constructed the vector error correction model...

Lighting design is an important means of creating a space atmosphere of clothing stores, good lighting effects can effectively enhance the brand image value. In order to achieve the balance of economy and art of space lighting, clothing store lighting environment often need to consider different design...

This paper studies the DC-DC buck converter response controlled by two second-order single-input control techniques: equivalent-control quantization sliding mode voltage control (QSMVC) and general sliding mode voltage control (SMVC). Simulations illustrate the behaviors of the equivalent-control based...

The idea of side information is introduced into secure watermarking, and a secure watermarking model with side information theory and the idea of cryptography is proposed. In the proposed model, the side information from the cover work, the attack and the detector are considered and fully used in both...

The key techniques of visual monitoring contain searching and measuring multiple targets in large region. However, many intelligent monitoring systems today cannot satisfy these requirements simultaneously. By analyzing the features of creatural vision in predator-prey relation, the relationships among...

The objective of this study is to develop a defensive strategy of the intelligent billiard robot by using the grey system theory. The main purpose of this defensive strategy is to make a “safety play”, which is the defensive positioning of the balls to minimize the opponent's chance to score or to make...

Analysis on the factors influencing the validity of quality talents evaluation is the premise of evaluation. Factors influencing the validity of evaluation for quality talents are evaluation mechanism, personnel policy, evaluation experts, quality characteristic and social relations. The result of factor...

Shopping for agricultural products on line becomes a new form of consumer’s consumption in China. Consumers’ satisfaction degree of online shopping for agricultural products directly affects the development of e-commerce of agricultural products. Centering on online agricultural products, referring to...

In the process of inflation and stabilization descent for the parachute, a coupling effect is generated between the the structure deformation and changes in the flow field around the canopy, which is significant important as well as the dynamic effect of the parachute. Besides, the peak value of the...

Face recognition is an important identification technology, which has broad application prospects. As an important biometric feature with high universal and non-contact collecting, face is increasingly being used for authentication. This paper describes the basic process of face recognition and briefly...

Thermal insulation coating has attracted more and more attention because of the advantages of economic, construction convenient and good heat insulation effect, and it will be expected to promote the development of coatings market and heat insulation materials applications. Based on the above reason,...

The article documents a practical system and its procedure to estimate batteries' remaining energy storage capacities, which are determinants of batteries' economic values, in a bid to facilitate fair-price battery trading. Such trading is in strong demand given today's burgeoning electric vehicles of...

Numerical model of post-grouting bored piles which are applied to specific engineering was built and analyzed, the result of numerical model was compared with the static test result of test piles on site, which confirmed the feasibility and rationality of the numerical model. By the numerical model,...

An adaptive protection scheme using digital relays is proposed for the protection of the distributed systems. Firstly, the impact of distributed generators on protection coordination is discussed. Then, an adaptive protection scheme is proposed for distributed systems with distributed generation (DG)....

Researching the effects of different concentrations of B. thuringiensis and B. bassiana mixed liquor on the mortality of Plutella xylostella larvae in Jiamusi. [Methods] Employing PBS buffer diluted the B. thuringiensis and B. bassiana into different concentrations of suspension, the mixture of B. thuringiensis...

In this paper, a high speed amplifier used in high-resolution GSPS pipelined ADC is described. To satisfy a 14bit 1GSPS ADC accuracy and speed demand, The high speed amplifier adopts two-stage Miller compensation architecture. To increase amplifier gain, active gain-boosted cascodes and cross-coupling...

In order to implement high control performance at low speed (2~5 Km/h) for automatic parking system, a speed control algorithm is proposed based on Fuzzy-PI in this paper. First, the desired speed curve is programmed by taking advantage of Laplace-Gaussian curve. In order to avoid fuzzy blind areas,...

Atom radii are calculated for chemical elements in different energy states based on photon energy of the emission (absorption) spectrum of atoms.

The structure of large ribbed ring stiffened shallow spherical shell is widely used for roof design of gasholders and oil storage tanks. The FEM of scale shell structure is established and the static performance is analyzed. The grid verification and time steps verification are performed to assure the...

The article outlines the transition from analogue to digital protection for a DC traction network, selection methods of protection and their settings. The first trial uses results, suggestions for further enhancements of adjusting methods, using monitoring and increasing the level of automation and mathematical...

When we study a 100-year-vision migration (a long term plan), the population distribution is required to be considered. The young or aging problem and a large proportion of the non-working population are introduced and when the quantized influence of three factors (income, education and social equality)...

An improved maximum entropy method is proposed to detect the error for intelligent distribution terminal. Firstly, a constraint maximum entropy function of the measurement error is established by introducing the uncertainty of the detected data in the intelligent distribution terminal. Besides, the Lagrange...

To improve the efficiency of carrier aircraft security as the goal, around its problems existing in the fusion of resource using, equipment configuration, comb, and analyzes on the aircraft carrier aircraft security resources utilization, the problems existing in the equipment configuration as the breakthrough...

An oilfield is a key overseas oil and gas production project of PetroChina, located in a rainforest environment. The oilfield is developed using cluster wells, and the problem of wellbore anti-collision is prominent. During the drilling process, the mud shale section is long and the clay mineral content...

Classic genetic algorithm is not effective enough in building structural design optimization. This paper pre-sents a building structure optimization design model based on improved adaptive genetic algorithm. First, tak-ing characteristics of genetic algorithm into account, we improve its adaptive crossover...

The relevance of the work is justified by the need for a comprehensive assessment of the quality of coal concentrate used to produce coal blends in the coking process, and resources of coking chemical products derived from them. This information is necessary for making optimal coal blends for coking...

In view of the development of greenhouse and greenhouse monitoring system at home and abroad, the traditional manual control mode has been unable to meet the production demand. Now the Internet of Things technology and greenhouse system combined, proposed based on the Android operating system, intelligent...

With the constant improvement of the level of industrial automation, robots are increasingly used in various fields of industrial production which is one of the most widely used welding robot. Today, however, people mainly adopt teaching methods to control the robot manually, it has some shortcomings,...

In order to overcome the defects of the safety factor of foundation pit stability, reliability theory has been applied to the stability analysis of foundation pit. The theory depends on the establishment of correct failure mode and function of foundation pit. Through the analysis of the influence factors...

The discharge of wastewater which contains dyes, represents serious environmental problem and receives public health concern. It has become a big challenge to degrade and mineralize these dyes. Advanced oxidation processes (AOPs), based on the production of hydroxide radicals are effective methods to...

dynamics method is performed to investigate the force behavior between semi-spherical indenter and single crystal substrate based on eam and morse potentials and verlet algorithm. Effects of different temperature on the contact force, friction force, and normal force are compared, the resistance of substrate...

The purpose of this research is to put forward a fatigue strength test method for the key parts of the carbody. The body is an important load-bearing part of railway vehicle. The underframe is the basis of carbody structure, is the most main body bearing part. This paper put a more in-depth discussed...

we investigated characteristics of soil Hg,soil gas Hg and atmospheric Hg on tomb of Ming Xianling. Xianling is the tomb of the fourth emperor Zhu Gaochi of the Ming Dynasty.Soil samples were collected for determination of mercury. Soil gas Hg and atmospheric Hg is analysed on high mercury anomalous...

In this paper, the function characteristics of instruction are introduced, and the focus is on contact compare instruction and the characteristics of the transfer instructions. With the traffic lights control as an example, this paper proposes the application of contact compare instruction and transfer...

In this paper, an experimental investigation of wetting behaviors of water droplet on rough metal substrates is presented, in order to study the influence of rough structures on contact angles of metal substrates. The static contact angles and contact angles evolution over time are measured with a video...

This paper deals with a novel concept by combining a tension leg platform -type floating wind turbine and a heave-type wave energy converter that is referred as the 'TWWC' (TLP-WT-WEC- Combination) system herein. Concept feasibility study has been carried out by using numerical simulations in the time...

With the continuous development of the national economy, people pay more and more attention to the monitoring and early warning of forest fire. Due to the particularity of the forest area and geographical conditions, if the forest fire happens, it will be a bursty and destruction of natural disaster....

Coffee is one of the most important plantation commodities in the world, where Indonesia is one of the four major groups of countries that export coffee to meet the world’s needs. In East Java Robusta people’s coffee has become part of the community to cultivate even with a low level of productivity,...

Currently the interest in imported goods is very high. Where imported goods have relatively affordable prices with quality in accordance with consumer needs. Therefore, the role of loading and unloading companies in handling imported goods has an important role because they are guided to have reliability...

Falls in the elderly are quite common because their motor skills have begun to decline. The elderly who live alone are often late in getting first aid after a fall, as a result of which intensive care is needed. This paper describes the design of falling detection and notification system for the elderly...

To investigate the impact of opening factors on the ventilation of enclosed buildings, numerical simulations were conducted to analyze the coupling airflow between upwind and downwind buildings. The study focused on the effects of window opening percentages (5%, 7.5%, 10%, 12.5%, and 15%) and the height...

Small Business faced a lack of human resources to manage a business so they have no ability to use and analyze descriptive or predictive data. Weakness in analyzing data causes them to be unable to make strategic decisions in improving their business performance and unable to display competitive advantage,...

By analyzing the problems of the existing landscape design in engineering technology, expert system and intelligent CAD technology is applied to the architecture design of landscape, which satisfy the multiple tasks, multi-level and garden design requirements, and the expected function of the system...

Livestock and poultry farms in china were preliminarily divided into different scales. The popular pollution treatment projects were investigated. With the combined methods of Analytic Hierarchy Process and Grey Relational Analysis, pollution control technologies were evaluated to fit for livestock and...

According to the characteristics of the gas ejection power system, the interior ballistics mathematical model of the combustion chamber and the canister was established and calculated. The results were in good agreement with the experimental results. Then the gas ejection interior ballistics of four...

The purpose for research on cogging effect is to improve thrust fluctuation of PMLSM. As one of the main affecting factors of linear motor, its cogging effect is firstly researched and analyzed in this paper. And then we use finite element analysis software to perform the simulation so as to show that...

The straight-shooting is the torpedo’s important shooting method and its leading angle is key factor. Based on the theory of the torpedo straight-shooting triangle, modeling and discussing the torpedo leading angle variety caused by the target observation errors in straight-shooting. And simulations...

Based on the construction technology of post-grouting, the load transfer mechanism, bearing capacity increasing mechanism and variation of pile-side and pile-toe resistance of combined toe-and-side grouted pile are analyzed. The mechanism of increasing of pile-side resistance and pile-tip resistance...

With the increasingly severe environmental and energy issues, the application of urban electric buses is more popular, but the battery reserve capacity has restricted the popularity of electric vehicles. Regenerative braking energy recovery system can reduce the energy consumption of the electric vehicle,...

Frictional behaviors of nitrile rubber of screw pump stators with liquid nitrile rubber (LNBR) as a plasticizer with different mass portions(5,10,15,20) are investigated by the MPV-600 wear tester, and their physical properties and curing characteristics are studied. The morphologies of worn surface...

We investigat the trajectory tracking problem of quantum systems governed by Liouville equation. With the help of Lyapunov function and LaSlle invariance principle, impulsive control fields are given, which drive the quantum state to a time-variant target state. A numerical simulation experiment on a...

This paper aims at subsurface imaging a target buried in a spherical homogeneous medium. In order to study it, a monochromatic holographic penetrating radar with high resolution is involved. Different from the target in the plane media, spherical ones always result in spherical interference fringes which...

1. Objective: Divide rural financial information service area divided using graph partitioning methods . 2. Methods: By means of one-to-one mapping, the factors of the activity place (area) for rural financial information service object, including population, area and financial activity quantity are...

Freight system is a complex system with multi factors coupling. The relationship among the factors of freight is staggered, showing strong randomness, uncertainty and nonlinearity. The wavelet neural network combines the self-learning ability of the neural network with the powerful detail feature of...

When a search engine returns query results to users, it always returns the number of relevant documents (i.e., hits). The text line containing the hits number is called as hits line. The hits number can be used in several applications such as building meta-search engine, estimating the size and the relevance...

To explore the status of mental status and emotional needs of the left-behind children in Yanbian area in Jilin province, we investigated the mental status and the frequency and content of the children with their parents of 424 left-behind children in Yanbian area. The results showed that the frequency...

HMM models based on MFCC features are widely used by researchers in Tibetan speech recognition. Although the shallow models of HMM are effective, they cannot reflect the speech perceptual mechanism in human being’s brain. In this paper, we propose to apply sparse auto-encoder to learn deep features based...

English for tourism needs to be learned since travel and tourism is a dynamic engine of economic development and job creation throughout the world. In 2016, statistics showed that the travel and tourism industry is one of the highest contributors in global economic development. This significant development...

The geographical scene of high speed railway(HSR) is complex and changeable. To provide continuous and stable wireless access for high speed rail passengers, it is necessary to analyze the transmission characteristics of wireless channel and establish the wireless channel model. In this paper, the HSR...

A uniform threshold is not reasonable as a faraway sensor can hardly get the same signal strength as that of a near one from the target. To cope with this problem, we give an adaptive threshold selection (ATS) algorithm, in which we construct the minimum error probability cost function based on the probability...

As the traffic jam is becoming a serious issue of urban life, collecting traffic parameters for traffic distribution is important and critical. In this paper, we present a camera based system (Traf) to count automotive vehicles for traffic flow analysis use. The system employs the method of background...

Islanding in power system can be intentional or unintentional. In the past most of the methods were developed for the phenomenon of unintentional islanding. Recently as the distributed generator (DG) sources are able to control voltage and frequency in the islanded part, the phenomenon of unintentional...

The fuel regulator based on the linear ultrasonic motor can effectively control the fuel flow. However, the slip of the actuator in the braking phase will cause the overshoot, so that the fuel regulator can not control the fuel flow accurately. In order to reduce the overshoot, this paper presents the...

This article introduces a five-beam three-component balance based on lateral piezoelectric effects,which can be used special bridge wind tunnel test ,and was designed used ANSYS software,and homemade quasi-static calibration equipment for balance. The balance quasi-static calibration result indicated...

The present paper summarized the results of the most commonly adopted calculation models for total solar irradiance on inclined surface. The solar irradiance on inclined surface in Beijing was taken as an example and was simulated using Liu and Jordan, Klucher, Hay, and Perez sky models and the results...

When photographing scenic photos, there will be some tourists, cars or other moving objects appearing in photos, which will affect the effect to some extent. Although inpainting technology provides a solution to remove unwanted objects in a single image, it requires a lot of interactions to indicate...

The research method of studying on parameter boundary of reservoir with polymer flooding has been established, using numerical simulation method combined with dynamic economic evaluation method. Based on Sha two 1-2 units of Shengtuo second area, the numerical simulation model is built and the influence...

Online learning requires high internal motivation and learning independence to achieve satisfying results. Student learning independence is a internal ability to study independently, and can overcome its own problems related to the internet and the use of applications, so as to be able to motivate themselves...

In the Badeng Watershed of Banyuwangi was a flood that resulted in erosion and landslides. The amount of kinetic energy of rainfall can erode the soil layer, leading to high rainfall erosivity. The purpose of this study was to determine the rainfall erosivity and erosion rate with the MUSLE method using...