Advances in Engineering Research

this paper puts forward the monitoring and measurement methods on energy consumption of virtual machine in the cloud data center, establishes energy consumption model of virtual machine system and virtual machine migration. The usual migration method of virtual machine uses heuristic algorithm to allocate...

The crop capacity in different soil and climatic zones depends on implemented technologies of tillage and sowing, crop rotation and type of work tools of the machinery complex. In every zone, main and additional tilling should be made with different work tool types and to different depth corresponding...

In order to solve that the single execution component and mechanics-motor composite braking cannot meet the braking requirement of electric drive high speed tracked vehicle, the method of mechanical brake, motor and electro hydraulic retarder composite braking is proposed. Through the analysis of the...

A covariance shaping adaptive Kalman filtering method is newly presented to improve the positioning accuracy of MIMU/GNSS tightly-coupled integrated navigation system for UAV. A dual channel parallel filter scheme with the adaptive filter is proposed to improve the real-time performance and make the...

In this paper, based on large data for clean governance evaluation technology, the terminal communication access their own data and the correlation data for big data intelligent access to cleaning, warehousing management assessment, implementation based on RCM/RBM and LCC communication equipment state...

The need for aluminum material as the main material in the production process of the transportation and construction industry is increasingly needed because aluminum is a light metal that has high ductility, is resistant to rust, and is a good conductor of electricity. The problem is that aluminum has...

This paper reports the design and analysis of a novel pyramidal horn antenna based on Micro Electro Mechanical Systems (MEMS) technology, which is used in terahertz (THz) applications. The structure of the antenna includes two parts, pyramidal horn structure and rectangle waveguide for feed, the fabrication...

In order to achieve color fabric without dyeing, people dedicate to the research and development of green textiles. Structural coloration, also known as physical chromophore, with high saturation, high brightness, never fade, environmental friendly, By analyzing the structural coloration of the Mechanism...

Combine with examples of successful projects, use of mature technology flexibly, analysis of narrow space of deep foundation pit engineering design, provide a reference for the design and construction of similar projects

In order to solve the problem of pollution in the strip steel pickling process, we propose a new process of wet shot blasting, adding water system in the conventional shot blasting equipment. Through the finite element software ANSYS/LS-DYNA, we conduct the dynamic simulation of dry and wet shot blasting...

Co-simulation technology has been widely used in the design and research of complex mechanical systems. The co-simulation based on ADAMS and MATLAB is summarized, and the related software is introduced. Taking eccentric connecting rod as an example, the output torque of MATLAB is the input parameter...

This paper presented an approach for modeling and implementing the architecture of large scale sensor networks(LSSNs) information services applications using publish/subscribe (Pub/Sub) paradigm. Considering the high level abstraction and the dynamic characteristics which were necessary for large-scale...

Based on the analysis of basic operation process of the IS-IS(Intermediate System to Intermediate System)protocol, the paper provides a LSP (Link State Packet) diffusion model of the IS-IS protocol with the GSPN(generalized stochastic petri nets). And the simulation results show that the router’s load...

The paper presents results of theoretical research of effect of transverse compression in a shear span zone on webcrushing strength of I-shaped reinforced concrete beams. The hypothesis of an increase of web shear strength in case of clamping by prestressed external strengthening transversal reinforcement...

At present, most of the image dehazing treatments have residual haze at depth of field and obvious over-enhancement phenomenon in bright area. To solve these problems, we propose a new method of fast image dehazing based on the atmospheric veil. Firstly, we use the total variation model to estimate the...

Accurate and rapid control of the temperature of electric heating furnace in industrial production has important practical significance and application value. In this paper, the electric heating furnace temperature control system is designed based on C51 microcontroller, equipped with temperature sensors,...

In this pandemic, E-Commerce becomes one of the best choices for people to fulfill their needs and wants. Tokopedia, Indonesia’s largest E-Commerce application, gains benefits from the increasing number of its monthly web visitor. Unfortunately, recently it suffered from a data breach that leaked most...

Because of the strong alkalinity and large amount of heavy metals in red mud, many countries have paid more attention to red mud. According to the traditional treatment method, an innovative scheme is proposed in this paper, which uses red mud (RM), ground granulated blastfurnace slag (GGBS), fly ash...

This article describes some influences factors and growth mechanism of cross-linked polyethylene electrical trees. There are three main factors which are water trees, temperature and voltage levels. Growth mechanism includes growth mechanism of conductive type electrical trees and growth mechanism of...

Environmental performance audit has become an effective management tool for environmental management. In this paper, it takes the concept of ecological environment and ecological environment performance evaluation as the breakthrough point, combined with the evaluation criteria of government environmental...

Research the law of price fluctuations under the fresh agricultural sequential auction based on the auction theory; use Kunming International Flower Auction Centre (KIFA) as an example for empirical analysis. After appoint the study object which is the rose of 80 cm length for the B level (network) named...

People's living standards have improved with the development of society, and concerts have already become part of our daily lives. Though there are thousands of pop concerts around the world each year, the interaction between idol and fan during the show is still primitive and limited, and almost every...

Permutation flowshop scheduling problem with maximum and minimum time lag constraints to minimize the makespan is considered, and a framework of partheno-genetic algorithm for the problem is presented. Based on the algorithm framework, two gene exchange operators are discussed, including single-point...

The paper utilizes the linear transformation in the analysis of covariance matrix of observed values about natural phenomenon, while computing eigenvalues, the corresponding determinant value is calculated , at last the relationship between the eigenvalues and determinant value is given.

We could take this subject as a mathematical project which is based on known measurement time and shadow vertex coordinate data, then solve the measurement location and date questions. We shall transform it into an optimal solution of the optimization problem, the constraint condition and objective function...

Now, the iPhone/iPad have been widely used in the daily life. If we can apply this into the healthcare field, it will improve the efficiency for the doctor to scan the medical images information. In this case, we designed and developed a DICOM image portable browsing terminal system based on the iOS...

It has been found that design knowledge management is facing many problems in product design. In order to improve the design of knowledge sharing and reusability, the research of function knowledge ontology model has been carried out, which include extended device ontology and way of function achievement....

Identifying whether housing prices have misled the market or not at present is an important topic in real estate regulation management in China. Many scholars believe that house prices cannot mislead the market, and try to attribute the rapid rise of house prices to factors such as excessive investments...

This paper analyzes contextual landscape urbanism in different periods via two typical cases. And it explains the reasons that we conserve characteristic and contextual factors in landscape urbanism. Paper claims that accompanying city expanding, it is necessary and important to keep urban’s unique historical...

Wind turbine power curve essentially captures the wind turbine performance which shows the relationship between the wind turbine energy output and hub height wind. This paper presents a reasonable method to model power curve of a wind turbine, and compares with measured power curve based on IEC61400-12....

With the rapid growth IoT (Internet of Things), indoor positioning system has attracted significant interest, especially in complex environment. UHF RFID system has the potential to estimate the accurate location of indoor objects due to the long reading range and multi-tag identification capability....

For a micro partial admission impulse turbine design, the present study analyzed the variable working conditions by numerical methods. The results indicate that the impact loss on the blade cascades will increase under off-design rotational speeds; the influence of admission fraction on the inner efficiency...

Based on Finite element method (FEM), analysis of natural frequency and dynamics response is carried out in this work. Firstly, modeling of rotor system in steam turbines is analyzed with Euler-Bernoulli beam element. Secondly, natural frequency of the rotor system is obtained and compared. Thirdly,...

The development and inheritance of Central Plains martial arts, as an intangible cultural heritage, is in a difficult period. But the advantages of information networking technology, such as fast transmission, wide audience, strong interactivity, and rich information have provided a new technical means...

The spatial distribution of urban surface water plays a significant role in the local environmental conditions, so it is important to optimize the spatial pattern of urban surface water environment. In recent year, with the rapid development of GIS and RS, its technologies have been used widely; GIS...

A new direction-of-arrival (DOA) estimation algorithm based on signal subspace rebuilding (SSR) is proposed for wideband sources. In the proposed algorithm, the signal subspaces are filtered by SSR to reduce the effect of the direction vectors of non-supposed directions. The signal subspaces of each...

Since the region near the CO2 welding of short circuiting transfer process of weld pool of light intensity changes, seriously affect the real-time and reliability of weld seam feature extraction, the application and development of CO2 welding seam tracking technology based on vision has been severely...

PD control, short for Proportional-Derivative control, is a type of feedback control where the control signal is a linear combination of two terms: proportional to the error signal (the difference between the desired setpoint and the actual output) and derivative of the error signal. It is a common method...

Currently, TiVN and TiVCN coating are not prevailing in the literature. Only a few publications are revealed with basic properties. In this study, the TiVN and TiVCN coatings are deposited by using cathodic arc deposition system with Ti and TiV alloy dual targets. The result shows that V and C addition...

As a key component of power transmission and distribution systems, HV reactor bushing made of porcelain have suffered serious damage in previous earthquakes. In order to enhance seismic ability, the new type bushing made of composite material has been used in high seismic fortify-cation intensity projects....

The non-equilibrium plasma has unique advantages in ignition and combustion. In this paper, the plasma-assisted combustion scheme of the spacecraft rocket engine is designed. The numerical simulation method is used to study the influence of non - equilibrium plasma on the combustion in GH2/GO2 single...

In order to understanding of the fate and transport of TiO2 nanoparticles (Nps) in the water treatment process, this study focus on the particle surface characteristics and coagulation process at different anionic surfactant sodium dodecylbenzene sulfonate (SDBS) and cationic surfactant cetyltrimethylammonium...

Assembly line balancing research is a key for the modern production. The implementation steps of genetic algorithm are proposed in this paper and it is used to optimize the assembly line balancing problems in engineering practice. The genetic algorithm operators based on feasible operating sequences...

Summarizing the existing rigid-flexible composite pavement structure types in service, the paper recommends two pavement structures , adopts the method of expert evaluation of index quantification, sets up the quantitative evaluation model for asphalt pavement structure layer selection and works out...

In order to study the influence of the design parameters of baffled demister, the efficiency and the pressure drop of the inlet and outlet of the blade with different structure parameters and operating conditions were calculated by using the discrete phase model of Fluent. The results show that the parameters...

Combining with the environmental load characteristics in the East China Sea and the existing floating foundation types, by analyzing the applicability of the floating foundation in the target area, it is considered that TLP and Semi-submersible foundation are suitable for the floating wind turbine foundation...

As migration technique for table spaces of enterprise database is required in multi-user inventory management systems, in this paper we investigate automatic migration technique when database performance is found declined by our monitoring system. Two methods are discussed, timing automatic migration...

Novel organic molecules composed of central 1,1'-binaphthalene-2,2'-diol have been designed and constructed via the Vilsmeier-Haack reaction, which offers a much milder and more efficient route over three steps. Optical properties of the resulting molecule were examined by UV-vis and fluorescence spectroscopies...

Organic light-emitting device have been realized by using 4,4',4''-tris{N,- (3-methylphenyl)-N-phenylamin}triphenylamine ( m-MTDATA) N, N'-bis- (1-naphthyl) -N, N'-diphenyl-1, 1'-biph-enyl-4, 4'-diamine(NPB) 4, 4 (-N,N)- dicarbazole-biphenyl (CBP) and NPB:CBP as holes injection layer, respectively, and...

This study aims to establish a stock portfolio following Sharia principles under the premise that investors with Sharia-compliant attentiveness will not only focus on financial risk and return. Implementation of criteria following Sharia principles also needs to be considered, given that there is a prohibition...

A pulse signal generator is designed to deal with the testing of the pulse counters for the measurement of the neutron fluence rates. It contains a microcontroller and a pulse generator circuit which consist of a high speed DA converter and a clock based on DDS to realize a square wave output with a...

In this article we put forward a new embedded scalable fire rescue equipment which is based on system thinking, and combined with fire refuge floors of high-rise buildings, matching with special firefighting media transmission and fire control system. Thereby supporting the design of a PLC-based fire...

Wechat is a popular social platform developed in 2011 by Tencent. In this paper wechat traffic is analyzed by a novel hybrid method, which combines statistical method, payload-based method, SVM, CRC and deep learning. Firstly, the statistical method is utilized to extract features from wechat packets...

Artillery barrels gradually ablate wear and tear in the shooting process, which reduced its internal ballistic performance and severely limited the artillery power and service life. In this paper, the mechanism of gun's ablation and wear is analyzed from three aspects: heat factor, chemical factor and...

In recent years, the development of the mountainous ethnic minority beautiful towns and villages has drawn people’s attention. This paper took the thousand Miao villages Xijiang as an example, studied and analyzed the development strategic on mountainous ethnic minority beautiful towns and villages....

The system of assumptions of the mathematical description of the process of chemisorption of carbon dioxide in a regenerative cartridge is formalized. The authors developed a mathematical model suitable for carrying out imitation studies of the static and dynamic characteristics of the chemisorption...

In analog circuit automatic generating fault tree field, several problems are as below: currently the fault tree model had not strong structural to provide the detail realization method to automatic generating fault tree and only used Support Vector Machine algorithm to automatic generating fault tree...

The paper presents a novel method for the spectrophotometric determination of trace Cu2+ after flotation separation using sodium chloride-ammonium thiocyanate-dodecyl dimethyl benzyl ammonium chloride system.The effects of the dosages of NH4SCN and dodecyl dimethyl benzyl ammonium chloride (DDBAC),various...

VOCs was one of main air pollutants. Fenton reaction was concerned because of its oxidation, high speed and high efficiency. In this paper, the Fenton reagent combined with UV was used to purify acetone gas, and the effect factors was studied. The results showed that the removal efficiency of acetone...

New high voltage watt-hour meters have the advantages of high precision measurement, low power consumption, information intelligence, etc. which are selected in more and more applications. This paper researched on the power supply of the new metering devices, designed a new power management unit based...

Abscisic acid (ABA) is a plant growth regulator with roles in strawberry fruit ripening. The objective of this work was to investigate the effects of (S)-cis-abscisic acid (S-ABA) application timing and concentration on bioactive compound content and antioxidant capacities in the field. Results showed...

In view of the present problems that the wooden block reinforcement effect is poor and can't solve the sliding problems caused by inertia of coupling impact. Now we plane to design a kind of new type flat car with chain-Strengthening-equipment to solve the loading and reinforcement problems of heavy...

Based on the terminal communication access network evaluation optimization perception technology, completed the terminal communication access network analysis and evaluation optimization perception research. This paper presents a large data based on the network early warning analysis algorithm, develops...

Plasma, a quasi-neutral gas, is referred to as the forth state of matter. Plasma surface treatment consists of plasma surface modification, plasma polymerization and plasma surface grafting. Dielectric barrier discharge (DBD) is an effective way of producing homogeneous plasma. DBD consists of infinite...

Using nails as adhesive materials on meranti wood laminate beams and zinc wood is an attempt to anticipate the problems arising in laminate beams if using glue adhesives, which the laminate process can occur ideally. Improved mechanical possessions such as strong bending and elastic modulus can be achieved....

A numerical evaluation on the performance of small commercial AC systems using R-32 as their refrigerant is presented. The evaluation is specifically applied for educational buildings in Bali Province, Indonesia. A digital model was developed. The model was established in Engineering Equation Solver...

At present, China's nuclear power projects are mainly concentrated on the coast. The nationwide built nuclear power projects are mainly located in the three coastal provinces including Guangdong, Zhejiang and Jiangsu. The nuclear power projects under construction are also centered in the coastal 7 provinces...

The effect of packaging on the quality of fresh-cut thyme was evaluated. The packaging showed no significant influence on the shelf life of the fresh-cut thyme when its shelf life was 7 d. The 1-MCP and modified atmosphere packaging treatments hold the sensory features of the thyme, and avoided the loss...

Integral impeller is the key component of aeroengine, which reflects the development level of a country's equipment manufacturing industry. The function, technical requirements and processing difficulty were introduced in the paper. The machining processes of a axial-flow impeller was described. The...

High-K gate dielectric HfAlO thin films with different temperature annealing treatment have been deposited on Si substrate by Atomic layer deposition (ALD). The electrical properties of Hf-films are analyzed by measurement of high frequency capacitance-voltage (C-V) and leakage current density-voltage...

Traditional SCR control methods can't fit the high efficiency SCR and keep the coherence of production. Model-based SCR control methods is developed to compensate the defect. A simulation model for a Cu-zeolite SCR catalyst has been developed. The model is capable of predicting the conversion of NOX,...

As electricity system reform moved on, improving operation management level, operating risk pre-control is more and more important. To improve power grid enterprises' operating management level and business function performance, establishing an early-warning system in conformity with power grid enterprises'...

With the development of science and technology, coupled with the continuous lowering of the mass of the car itself, the problems of noise vibration harshness (NVH) caused by engine vibration attracted more people's attention. This paper firstly clarifies the concept and principle of magneto rheological...

infrared temperature measurement system is designed, Based on C51 microcontroller and infrared temperature sensor. The experimental study is executed for the character of designed system, and the results show as follows: for the range of 2.5-15cm, the error of measurement error is very small, less than...

Intelligent driving has been popular research in automotive high-tech in recent years, and some researchers have found that machine vision plays an important role in environment detection and other contents of intelligent driving technology, however, there is a lack of unified cognition for the specific...

With the introduction of renewable energy sources, the existing power system is being affected. The power flows are not meeting the requirements due to the intermittent nature of renewable energy sources. Therefore, it is significant to calculate their effects on the power system components prior to...

The study examines social media: its implication on academic performance of students in campus, China. The researchers considered the influence of social media on students' attitudinal disposition, academic performance, accessibility and their social lives. The study utilized a survey method using the...

A novel piezoelectric smart concrete beam composed of a concrete beam, a piezoelectric actuator and a counterforce device is developed and investigated. Based on the governing equation of ‘actuating force-voltage’ of piezoelectric actuator proposed by the authors, a nonlinear analysis program, in which...

As swarm intelligence algorithm has such problems as poor convergence performance, long search time, and low search efficiency and it is also easy to stagnate at locally optimal solution in the process to solve complex optimization problems, self-adaptation hybrid particle swarm optimization algorithm...

According to the mechanical defects of polypropylene (PP), we blended modification of PP with calcium carbonate (CaCO3). We used the blends of CaCO3 and PP as the research object to test the mechanical properties of CaCO3/PP composite materials with different proportions and studied the influence that...

In the subject one, we firstly number the legs of the table. According to the Pythagorean theorem, we can calculate the length of the table legs. Then describe the dynamic folding process of table by the change condition of angle between table leg and the ground, also we can understand the change of...

In early twentieth Century, with a large number of applications of concrete in hydraulic structures, concrete crack has gradually attracted people's attention. Most scholars think, the cause of crack in hydraulic concrete is mainly because temperature stress. Proved by engineering examples, cooling pipe...

In this paper, we propose a feature extraction method, which subdivides feature vectors into three frequency regions of 300-1000Hz, 1000-2000Hz, and 2000-3000Hz. The range and mean of intensity are extracted for each frequency region. By so doing, we can compensate the defect of increasing the intensity...

The published of the principles of scientific management makes the human’s management according to science not to experience. For 100 years, the ideas of scientific management have been widespread and used in the world, giving a specified direction for the emergence and development of management theory....

Improving air quality is important to improve the quality of the environment. Taking Shanghai city as an example, this paper analyzes the main factors affecting the air quality by using the grey correlation theory. The results show that, in accordance with the influence factors for air quality from big...

Ambiguity function describes the measurement accuracy, resolution capability and ambiguity degree of signal delay and Doppler frequency shift, which can be used to analyze the resolution of adjacent targets and anti-interference performance of the system. In this paper, the binary digital modulation...

With sulfur dioxide and other environmental pollution is becoming more and more serious. It is of great significance to explore an efficient, fast and clean way to remove these environmental pollutants. In this paper, the microwave plasma technology is applied in the desulfurization process. The effect...

Clustering is an effective method which can increase the performance of large-scale ad hoc UAV networks. However, the ad hoc UAV networks have the feature of high mobility and quick network topology change, using conventional clustering algorithm will lead to the decrease of link connection lifetime...

Prionace glauca can cruise long distance with high efficiency. The study on hydrodynamic characteristics of prionace glauca streamline body three-dimensional(3D) model will provide important reference value for the optimization design of autonomous underwater vehicle (AUV) and other marine equipment....

Let be a set of primes.Isaacs established the - theory of characters,which generalizes the theory of Brauer module characters. Based on Isaacs’s work, the concept of principal indecomposable B '-characters of G is introduced, where ' denotes the complement set of .It is shown that some characteristics...

A FeCoNiAlTiCrSi high entropy alloy coating was cladding on the surface of Q235 steel by laser using FeCoNiAlTiCrSi as basic alloy powder in which B, C, and Y2O3 were added as a in situ synthesized elements. The results show that the 2mm thickness coating with no crack and pores was prepared under the...

This paper proposes a comprehensive method, named realization degree mid-term evaluation,to assess indicators during “Twelfth Five-year” mid-term. Meanwhile it establishes mid-term evaluation for the “Twelfth Five-year” planning of Shanxi indicator system constituted by three hierarchies,such as target,...

The biological pollution of air conditioning system is one of the most important problems in indoor pollution. Then measurement device of fungal spore release strength in the parallel airflow was developed, and the release intensity of two kind of fungal spores was tested in typical wind speed and environmental...

To examine the effects of nitrogen and reclaimed municipal wastewater(RMW) irrigation on fruit quality of greenhouse tomato and soil nitrogen utilization, field experiments were carried out. Root-layer mineral nitrogen, total nitrogen, tomato yield, nitrogen in fruit, partial factor productivity from...

Talibeng Village in Sidemen District, Karangasem Regency, Bali Province, is a potential destination for natural, cultural, and spiritual tourism. The village consists of several banjars such as Celetiga, Delodyeh Kangin, Delodyeh Kawan, Talibeng, Sari, Dukuh, Wangsihan, and Wanasari, which are at an...

The magnetic properties of NdCo2Ge2 have been investigated. An abnormal magnetic transition occurs at room temperature. The magnetic field aligned XRD pattern implies that this phenomenon originates from the anisotrophic change by the (110) and (011) planar rotations driving by the applying magnetic...

In order to explore the contra-rotating axial flow pump design method and analysis its hydrodynamic performance, the inlet and outlet velocity triangle of front rotor and rear rotor was analysed, then, a high specific speed contra-rotating axial flow pump was designed using three dimensional method based...

The conventional ultra capacitor charger uses computer to monitor the ultra capacitor's state of charge(SOC) and adopts different strategy to charge the ultra capacitor. It makes the system expensive and the control method is also inconvenient. For the above problems, a non-microcomputer ultra capacitor...

A novel uncoupled translational parallel mechanism (UTPM) with three degrees of freedom (3-DOFs) is presented, which is composed of a moving platform connected to a fixed base by three identical kinematic chains. Firstly, kinematic output property of the moving platform is analyzed. Then, both the forward...

A Identifying peptides for their fragmentation spectra by database search sequencing method is crucial to interpret LC-MS/MS data, widely used algorithms had not been fully exploited the intensity patterns in fragment spectra, SQID incorporated intensity information and identified peptides significantly...