Advances in Engineering Research

This paper introduces the transmission system of a single, double-row planetary gear oil-electric hybrid power automobile. The main drive motor and auxiliary drive motor cooperate with the corresponding planetary gear mechanism, which can realize different working modes and timely startup of gasoline...

The properties of asphalt mortar with fiber added directly affect the road performance of SMA. Based on the raw material performance test, the paper carried out the dynamic shear rheological test (DSR) and the bending beam rheological test (BBR) on the SBS modified asphalt mortar with nickel iron slag...

Sulfate reducing bacteria (SRB) was isolated from soil and applied for the remediation of heavy metals pollution from acidic coal mine waste. The result indicated that SRB could be used for the remediation of heavy metals pollution from acidic coal mine waste, based on sewage sludge, chicken manure and...

An important skill that a teacher must have is knowledge of all kinds of learning strategies. This indicates that the teacher is not only required to understand the subject they are delivering but also must have knowledge of strategies in delivering learning material to students. PPGP is the development...

During pyrolysis of tobacco rob (TR), the operating parameters such as the temperature, the heating rate, and residence time and particle size affect the process and result of the pyrolysis. Some of these parameters have been closely considered but the particle size of TR is often ignored. In this study,...

Taking the east mining area of sixth pit of Jinning phosphate rock of the largest open-air phosphate mining company of Yunnan Phosphate Chemical Group Co., LTD. (YPCG) as engineering background, the study of the mining technology of filling method of gently inclined and thin to medium thickness phosphate...

In view of disadvantages of conventional approaches such as insufficient ranking, disunity of index dimensions as well as too subjective weights in adaptability assessment of camouflage screen, we proposed a new super-efficiency DEA algorithm to overcome them. Traditional DEA algorithm often runs into...

Through the low strain dynamic test in engineerings, we found that the wave velocity is raised with time. Reasons for the phenomenon are analysed with the theory of stress wave propagation. We found that the increasing of the velocity of the test pile is mainly effected by the of lateral soil, because...

The hypoid gear pair is a main part of driving axle and it is one of the main sources of vibration and noise in the automobile transmission. Study on mechanisms of vibration and noise of the hypoid gear pair, and investigating on reducing its vibration and noise are of great significance. Firstly, a...

A ternary compound Er10Ga3Si3 was synthesized and studied by means of X-ray powder diffraction technique using Rietveld methods. The ternary compound Er10Ga3Si3 crystallizes in the hexagonal structure, space group P63/mcm (N0.193) with the Mn5Si3 structure type and lattice parameters a= 8.3595(1) , c=6.3095(1)...

As an important branch of management science, project management has been developed greatly and especially widely used in power project. However, complexity of power project leads to a series of problem for the management of power project. This essay aims to analyze the real problems in power project...

A remotely operated vehicle (ROV) is essentially an underwater mobile robot that is controlled and powered by an operator outside of the robot working environment. The issue of 2D path-following control of ROV was studied. Based on single-input fuzzy controller expressed in analytical form, an improved...

With the rapid development of edge computing, the deployment of convolutional neural networks (CNNs) on edge devices has become increasingly necessary to meet the demand for intelligent applications. However, edge devices are often constrained by limited computing resources, storage capacity, and strict...

The comprehensive assessment of dam risk consequences caused by the dam failure is difficult because of the uncertainty, inter related and the non unification of the risk consequences. For this problem, combining with the existing laws and regulations of dam failure accidents classification rules, this...

An epoxy phosphate was successfully synthesized by reacting epoxy resin with phosphorus pentoxide. The chemical structure of epoxy phosphate was confirmed by using FT-IR. The interfacial tension and viscosity of aqueous solution of epoxy phosphate were tested. It is found that epoxy phosphate had good...

The cellulose acetate (CA) nanofibrous mat was fabricated by electrospinning under optimized spinning conditions in this work. The morphology, chemical structure, thermal stability and hydrophilic property of as-prepared CA nanofibrous mat were characterized by scanning electron microscopy, Fourier transform...

Land contaminated by high levels of heavy metals in Tin mining wasteland is urgent to be remediated.To find out the tolerant plants which can adapt to the local climate and the soil conditions is thesystem restoration of the area. Results showed that the average content of soil heavy metals of Mn, Cu,...

In order to solve the problems brought by the PV-storage microgrid embedded to distribution network, this paper proposes a hierarchical coordinated control scheme to alleviate negative effect. First, the characteristic of distribution network with microgrid is analyzed, the model of PV-storage microgrid...

The method of completing the squares is a method that is used to transform a math formula directionally in order to obtain a perfect square formula by making rational use of “splitting items” and “adding items”. Least square estimation consists of the method of projection, the method of derivative and...

The paper presents the control strategy to solve the problems that multiple-freedom force and displacement coupling existing in the bilateral servo force-feedback control architecture for tele-operation parallel manipulators. The control strategy transfers the values of the working resistance connected...

The spherical bulkhead structure in style of sphere-toroid-cylinder combined shells is taken as the research object, and its structural strength with different "flatness" is studied. In order to characterize the geometric flat shape of the spherical bulkhead, the concept of "flatness" is put forward...

The teleconference system has the characteristics of large-system, big-scene, and high-profile. To find the regularity and experience of the teleconference system, not only can change the current passive situation on the security situation of teleconference system, which reduces security risks, but also...

Intelligent aquaculture, refers to the engineering technology, machinery and equipment, monitoring instruments, wireless sensor, management software and large data, cloud computing, artificial intelligence and other modern technical means for fishery production, to achieve high density, high output value,...

In recent years we have seen how the world has taken a turn! People have started to cover their faces with not just face masks but also with Face-Shields for extra precaution. Similarly, people are not stepping out of their homes without a sanitizer in their hands-reach. As the world is trying to evolve...

The seepage problem is one of the most important factors leading to the failure of dams, and it is extremely important to carry out inverse studies of seepage phenomena in the safety analysis. The paper uses the finite element inversion analysis method to evaluate the seepage safety of a dam using a...

Using the method which potassium permanganate modified medical stone and titanium dioxide load maifan-ite to removal arsenic in drinking water. Compared with the dosage, shaking time, pH on arsenic removal, the research results show that when the dosage is 0.2g, the effect of titanium dioxide and potassium...

Expanded polystyrene(EPS) is a new type of thermal insulation material with excellent properties. It is widely used in the field of external wall thermal insulation, packaging, advertising and others. It has become a hot spot in the field of plate processing that how to optimize EPS board line cutting...

In the process of oil field exploration and development, the vibration induced by geophysical blast, drilling construction and overhaul operations, etc, are often encountered. The vibration have a certain impact on the surrounding houses or poultry and livestock farmers. And the normal operation of oil...

Hard landscape factors have almost penetrated into every corner of living environment, thus occupying a significant position in residential landscape design. The ecosystem-based softening design of landscape hard factors is conducive to break away from the narrow scope of visual aesthetics. Based on...

To propose the methods for cogging torque reduction in permanent magnet machines, theoretical reasons of cogging torque are studied in this paper and the qualitative analysis is performed before quantitative calculation with finite-element method. And the effects of slot opening widths, unequal thickness...

Landslide is a common kind of geologic hazards, which is a very serious potential threat for security operation of power system. Therefore it is valuable to research and develop a landslide online monitoring system to monitor landslide which lies very close to power tower. Based on current research,...

In this paper, the quantification theory model I based on the theory of multivariate linear regression was used as a preprocessing tool to reduce data dimensionality in 13 factors influenced groundwater quality. Then BP ANN groundwater quality forecasting model was created and 8 important characteristic...

The traditional vertical walking force model does not take account of the variations of intro-subject and inter-subject, this paper aims at analyzing the characteristics of vertical walking force of single footstep. Using a test platform, two single footstep traces are collected. Force shape parameters...

The C19-C23 fragment (9) of the anti-trypanosomal natural product actinoallolide A was prepared via an elegant stereo-controlled route. We installed the chiral center at C20 through a standard Evans aldol reaction, and protected the secondary hydroxyl group via a silylanization.

This paper will discuss strengthening mechanism of ultrasonic hydroxyapatite nm from each ultrasound parameters, such as: research ultrasonic power, intensity, frequency, etc., the findings concluded that ultrasound is through a liquid medium to a solution of molecules, ions action. When the ultrasound...

A fault diagnosis method is presented in this paper for poor field testing conditions of large-scale hybrid circuit, and taking the LNE navigation control card which is vital to the operation of regulation and monitoring system in the nuclear power plant, a simulation model of hybrid analog-digital electronic...

The urgency of the present study is due to the absence of any reliable method for investment risk assessment in agribusiness which impedes attracting and control of investment processes in this sector of economy. The article presents a new approach to modelling investment risk assessment applicable for...

The characteristics of user's behavior in the real scene are analyzed, and a personalized recommendation method based on user behavior analysis is put forward. In the electronic commerce user behavior can be divided into clicking, purchasing, collecting, plussing shopping cart, etc. The current mainstream...

To solve the problem that the positioning strategy with sliding window approaches requires exhaustive search in feature pyramids, the paper proposes an object detection algorithm based on deformable part models with Bing features to help object detection. First of all, input images are preprocessed with...

The different values of pH, EPS dosage, initial uranium concentration, dialysis temperature and other factors, were investigated of anaerobic sludge extracellular polymer (EPS) on U (VI) in wastewater by adsorption effect. The results show that, the best pH of EPS adsorption of uranium is 6, when the...

On-board xenon lamp (HID) has a series of advantages such as high luminous efficiency, high brightness, low energy consumption, high reliability, being not affected by on-board voltage fluctuation and long service life; especially in terms of the use of warning lamps, it has such advantages compared...

The combined process of microwave and fly ash is used to remove methylene blue pollutant from aqueous solution in this study. The microwave radiation time, fly ash dosage and pH value on removal process are varied separately to study the effect of these experimental factors on removal performance. The...

According to the image characteristics in weld seam tracking with laser vision, Radon transform is first used to find the location of the laser stripe; then, the transformed image is processed by using the way that the pixel information caused by laser stripe is reserved and the other information by...

The tunneling engineering plays a pivotal role in infrastructure construction. However, due to the complex construction environment, photographs of tunnel surface are often obscured by dust and smoke, which in turn affects the clarity of the photographs and the accurate identification of the structural...

In recent years, as the country pays more and more attention to clean heating, the application of air source heat pumps is growing rapidly. However, air source heat pumps have not been widely used for heating teaching buildings in the bitterly cold areas in the north. The determination of the economic...

In this paper, the method of melting snow with carbon fiber heating wire (CFHW) buried in concrete pavement is presented to avoid the adverse effects of snow-melting chemicals. The pavement temperature, heating rate and temperature difference are analyzed. It is shown that, with an input power of 500W/m2,...

In this paper, the contact fatigue crack propagation behavior of Cr7C3 coatings was studied by means of extended finite element method and linear elastic fracture mechanics. The contact fatigue model of simplified geometric model was established by commercial software ABAQUS. The influence of the thickness...

Boosting is an effective classifier combination method, which can improve classification performance of an unstable learning algorithm due to its theoretical performance guarantees and strong experimental results. However, the algorithm has been used mainly in batch mode, i.e., it requires the entire...

Shell side heat transfer and flow resistance characteristics of the spiral elliptical tube heat exchanger and smooth tube heat exchanger with segmental baffle were investigated using CFD method. Basing on this investigation, the appropriate applications of spiral elliptical tube heat exchangers were...

The paper intends to investigate the changes of Heart Rate Variability (HRV) indexes of healthy drivers while driving on a real urban road environment in order to excavate the variation of drivers' driving workload when turning left. Electrocardiograph (ECG) was recorded continuously while drivers driving...

This paper used parallel test of single factor to investigate feed ratio of inclusion compound, drying method, the volatilization temperature of ethanol for Pulsatilla Chinensis (Bunge) Regel total saponins-HP- -CD inclusion compound. The results showed that the best preparation process of inclusion...

With the development of the mobile Internet technology and the popularity of smart phones in rural areas, rural residents can get useful information and knowledge at any time by phone. For fast and easily accessing to information of relevant agricultural science and technology, this study will be talk...

The characteristics of sewage source heat pump and the fouling problem are analyzed in article; four kinds of fouling resistance models, the fouling categories, influencing factors of fouling formation in the heat exchangers, and two kinds of heat exchangers fouling elements were provided. The comparison...

Path planning technology is the precondition of unmanned aerial vehicle (UAV) airspace safety. For in the running features of the UAV in 3-D space environment, putting forward using fight level (FL) guiding factor to improve the basic ant colony optimization(ACO), which improved the quality and the operation...

Energy Internet is a kind of new type information-energy fusion "Wan" which is constructed with Internet concept, based on open structure, trend hierarchical classification. User Side Internet of Energy, namely energy local area network, that is to establish the cooling heating power supply mode mainly...

In this paper, an interval method for the dynamic response of structures with uncertain parameters is proposed. The structural physical parameters and loads are considered as interval variables. The structural stiffness matrix, mass matrix and loading vectors are described as the sum of two parts corresponding...

In this paper welding residual stresses of welded H-beam considering both butt weld and fillet weld have been researched. Taking the welded H-beam frame as background, basing on technological parameters of arc welding construction sequence and the fabricated method, the three dimensions thermal-mechanics...

This paper applies the attribute mathematics theory to prefabricated building construction safety evaluation, establishes the attribute mathematics model of prefabricated building construction safety evaluation. Based on the analysis of main causes of prefabricated building construction safety, personnel...

Electric vehicle traffic accident frequency, in order to solve practical problems, so we design and develop electric bicycle testing platform. Around the power, speed, axle load, such as technical indicators, according to the national standard of electric bicycles, electric bicycles in all kinds of parameter...

The present study was conducted to obtain a better understanding of the variation rule of compressive mechanical properties of tetrafluoro skateboard rubber bearings  under nitric and sulphuric acids Condition. A total of 5 specimens were processed in a nitric and sulphuric acids PH4.5, and one specimen...

In recent years, the usage of natural fibers as reinforcement in composite materials has acquired significant attention because of their remarkable benefits, which include being lightweight, inexpensive, and biodegradable. The current work involved surface alteration by alkali treatment on sorghum fibers...

The tension leveler is generally set after the billet guide and the secondary cooling device, continuous casting machine for continuously casting and straightening billet, another important function of the tension leveler is to transport the spindle. The opening degree of the upper and lower rolls can...

The Ebola epidemic is more and more severe. To optimize the eradication of EVD, we take Liberia, Guinea and Sierra Leone as the object of research, first we build suspected- exposed-I nfectious-dead (SEID) model based on the popular SEIR model, since there are no effective medicine till now and the mortality...

A new type of macroporous weakly basic anion exchange resin (HFO D301R) was used to adsorption of naphthalene sulfonic acid in different environments. The effects of temperature, salt concentration and pH value of the solution on HFO- naphthalene sulfonic acid resin adsorption effect were studied The...

kV distribution network topology is complex, along the lines there are many connected power distribution transformer and branch lines, and the lines are mostly hybrid cases. Its channel transmission characteristics are complex and variable, which has caused great difficulties to the high rate NB-PLC...

In recent years, malicious JavaScript code has become more and more pervasive and been used by attackers to perform their attacks on the Web. To evade the detection of defense measures, various kinds of obfuscation techniques have been applied by the malicious script, taking advantage of the dynamic...

To ensure smooth operation of grinding equipment, it is necessary to regulate oil parameters of oil-pumping stations used for greasing of various mill moving parts including bearings. As a rule, central oiling systems are local positioned machinery not being a part of the automated dispatch control system...

Plate-cone reticulated shell is a new type of space steel structure with good mechanical behaviour and technical economy. In this paper, the wind-induced vibration response characteristics of plate-cone reticulated shell are studied. By using the wave superposition method, the fluctuation wind loads...

A novel remote sensing image change detection algorithm based on game theory analysis and hierarchical fuzzy clustering is proposed in this paper. This technique integrates the Nash game theory framework and the hierarchical structured clustering approach. Characteristics of the image restoration and...

Organization modeling plays an important role in maintenance support information management and data mining. In this paper, the necessity of unitized modeling for maintenance support information is analyzed, and an organization modeling method of maintenance support information is presented based on...

This paper introduces a home networking solution of wireless intelligent control lighting system with Zig-Bee to overcome the shortage of the traditional intelligent light control system. Software and hardware design of networking are also made.Then based on the main control chip CC2430, the coordinator,...

At present, rubber bearing isolation technology has been widely used in the design of isolation structure at home and abroad. Its core idea is to increase the vibration cycle of the building by increasing rubber isolation bearing, so as to reduce the damage to the superstructure by the seismic action....

Henan power video quality monitoring and analysis system combined with Henan power grid video conference system operation and maintenance reality. The system uses the HUASAn network monitoring module combined with HUAWEI conference network management and conference terminal to adjust the measurement...

At present, the construction of ocean information has become an important support for China's ocean power strategy, but the lack of unified planning in the process of construction, homogeneity serious, information island, wisdom is not enough and other issues become increasingly obvious, this article...

Regulation of the Minister of Research, Technology and Higher Education number 44 of 2015 concerning the National Standards for Higher Education, universities must make adjustments to meet the standards of education, research and community service. The purpose of this research is to produce a research...

In this paper, we study calibration of all components in optical measurement system, which is a fundamental issue in optical measurement. For physical components we use Zhang's method to calibrate the binocular cameras. And we utilize Zhang's method in fringe projection profilometry to calibrate the...

As a significate part of chain, chain plate is not only connecting links but also under tension. The characters of dimension of chain plate were studied. It is obvious that the center distance of holes is very important. A study on measuring the center distance of holes of chains is conducted to meet...

Environmentally friendly high-power energy sources are demanded increasingly nowadays due to several factors, such as global warming and climate changes, as well as the ever-growing number of portable devices and the introduction of electric vehicles. Supercapacitors as a complementary device are a kind...

(R)-tert-butyl 2,2-dimethyl-4-(prop-1-yn-1-yl)oxazolidine-3-carboxylate, an key intermediate of Biotin which is a water-soluble vitamin involved in an essential part of the metabolic cyle causing catalytic fixation of carbon dioxide in the biosynthesis of fatty acids, sugars, and -amino acids, was synthesized...

In this study, seaweed kelp as the raw material, the use of ultrasound-assisted method of extraction process of total flavonoids kelp discussed. Discussion on the ethanol concentration, extraction temperature, time and other factors affecting the extraction of total flavonoids ultrasound, by orthogonal...

As the nucleus of driving the fault diagnose' virtual simulation training and the semi- physical simulation training,Fault Diagnose Describing Model has been one of the hotpots nowadays. However, regarding the different machine different style fault diagnose, different machine same style fault diagnose...

In recent years, the wearable devices are attracting more and more interests because of small volume, portability, multiple functions. However, such devices haven't had a significant development. One of the reasons is that the battery can't provide long time power supply due to the size and functional...

ThIs artIcle InvestIgates the load-type crack formatIon mechanIsm of semI-rIgId based asphalt pavement. The XYJ-2 concrete straIn sensors are used to detect the straIn fIeld created by standard loads actIng on the pavement structure. The ultImate bendIng tensIle straIns of the materIals are tested through...

At present, high core rockfill dam mainly uses the real-time monitoring system to control the roller compacted construction quality, and the quality of roller compacted construction unit was evaluated by the test pit experiment. However, in the course of the experiment, the filling body of the experimental...

A new region-based image fusion technique using the adaptive tetrolet transform is proposed to produce a fused image better for human and machine interpretation. Firstly, the visible image and infrared image can be decomposed into low-frequency and high-frequency coefficients using tetrolet transform....

In this paper, logarithmic spiral arch ring is selected and finite element method is used to perform stress analysis and shape optimization and propose a program optimization of arch dam shape basing on arch-cantilever method, which plays an important role in improving safety of arch dam, reducing cost,...

A method for applying FPGA to realize the Harris corner detection and matching, aiming to overcome the problem that it is slow to fetch feature information from the image which show the planar motion of robot. Considering the theory of Harris corner detection and the structure of FPGA, the algorithm...

Through carrying a variety of imaging sensors, the unmanned aerial vehicle began to show its flexibility and importance, image fusion technology becomes more and more indispensible. In this paper, the existing video fusion method and fusion performance evaluation method is analyzed, and an improved video...

Food and agricultural product safety during manufacture and turnover is a keystone in development of food market in many countries. Fusarium dry rot is the most common plant disease. Biological protection of agricultural plants is one of the alternative methods to reduce soil damage against mineral fertilizers....

Aiming at the existing problems of traditional equipment fire system maintenance training, the semi physical maintenance training is researched, analyzes the main task of fire system maintenance training, researches on key technology of semi physical maintenance training system, makes the overall design...

Uneven illumination in image acquisition process often have a serious impact on image processing. For the deficiency of traditional adaptive Gamma correction in the process of light correction, we present a method of continuous nonlinear Gamma correction. The proposed method has effective compensation...

Recycled concrete is an environmental green material for recycling construction and demolished wastes. Numerous studies performed on recycled concrete indicated that it had poor characteristics of workability, strength and durability attribute to the inferior mechanical properties of recycled aggregates....

Selatbaru Beach is one of the mainstay tourist attractions in Bengkalis Regency after North Rhu Rupat Bay Beach. This beach area is located in the waters of the Melaka Strait, Malaysia. This beach has been built with coastal protection such as Breakwater, Groin and Seawall. The seawall that has been...

An important part of a city’s carbon emissions is the carbon emissions from Beijing-Tianjin-Hebei urban agglomeration has uneven transportation development and is in different periods to achieve the “dual carbon” goal, it is of practical significance to explore the differences in the commuting patterns...

Red ginger (Zingiber officinale Roscoe var rubrum) is a commonly used spice in Indonesia. It contains various chemical constituents, such as phenolic compounds, terpenes, polysaccharides, lipids, organic acids, and fiber. The health benefits of ginger are mainly related to its phenolic compounds, such...

The deflection of continuous beam is an important problem in engineering application and theoretical calculation. In this paper, the finite difference method is used to calculate the deflection of the two-span reinforced concrete continuous beam under load. The deflection difference equation of the beam...

With the development of science and technology, the wireless transmission system has a broad application field. This system need to collect the temperature data of two nodes. So we use the new single chip microcomputer STC15W1K24S as microprocessor, DS18B20 as temperature sensor, low power consumption...

The "Electric power alternatives" scheme proposed by China State Grid Corp in 2013, aiming at replacing coal and petroleum by electricity in terminal energy consumption. Based on Gray wavelet neural network model, a multi-scenarios analysis method is designed to predict the terminal energy consumption...

A new research of teaching strategy for communication engineering is introduced in this paper. The study is on teaching research of communication engineering, which is based on the new technology of information aggregation. The article presents the information aggregation technology, data collection...

This study designed a green one-pot method for furfural production from corn cobs that were heterogeneously catalyzed by recoverable solid-acid ZSM-5. The highest furfural yield of 78.5% was obtained under the following conditions: 473 K, 30% ZSM-5, 15 mL of toluene, and 500 mM of NaCl for 2 h. Catalyst...