Advances in Engineering Research

Analyzes the carbon emission characteristics of power system before and after the introduction of pumped storage power station. To evaluate the environmental benefits of pumped storage power station combined with new energy peak load. For thermal power, pumped storage - thermal power, wind power - pumped...

In this paper, a full-reference image quality assessment (IQA) approach based on blind source separation algorithm is present. After the reference image is divided into several patches, the scatter plot of these patches is contained within a simplicial cone. The mixing matrix is estimated by the parameter...

Simplify the gyro rotor into a hollow disk, each particle in the disk circular motion around the z axis with High speed. At same time, it around y axis rotation follows the disc. That is, the disk does not rotation, but each particle in the rotor circular motion relative to the disk, at the same time,...

The variable mass pitching systems along with load quality and its pitch angle displacement, and the same as its position of the center of the pitching and driving torque changes etc.To design the adaptive control strategy, we put forward the inter-partition PID control algorithm for the driven motor...

The new generation of agile satellites has more freedom and choices on when and how to make an observation. That may lead to the needs of uniform and deliberate considering operating status and rules of on-board instruments in the management and control process. What’s more, needs are improving responsiveness...

A fuzzy expert system which can simultaneously support many kinds of rules including fuzzy production rule, fault tree and decision tree in a unified framework are researched. Fuzzy rete algorithm is adopted to speed up the fuzzy reasoning chain. A wind turbine diagnosis expert system is developed based...

People’s needs, with the development of society, gradually tend to be diversified. Therefore, the selection and application of ceramic materials are in the continuous innovation, evolving from the entire ceramic texture of the original gradually into a comprehensive application of multi materials. This...

The study deals with the integration of stability control systems for mobile cranes and hydraulic drives control systems when lifting operations include load-lifting path and crane position adjustments. The system’s general flowchart and algorithm are presented. Crane tip-over stability margin estimation...

Take the rotating detonation engine combustion chamber wall which under great heat flux as the research background. The characteristics of impingement cooling under different parameters were studied by numerical simulation, then analyzing and getting a better Impingement cooling structure. It is found...

Conventional grey theory has flaws for analysing landslide factors, so grey-correlation was improved by multianalysis, in order to availably analyse sensitivity of landslide factors on slope stability. Then worst factor would be found out for slope stability, and engineering reinforcement would have...

Patient safety has become a global concern since the publication of the Institute of Medicine report in 1990. Nurses are health workers who play a very important role in patient safety. The patient is on the nurse’s responsibility 24 hours a day. Nurses fulfill all the basic needs of the patient every...

Vaccination is one of the health interventions carried out by the government, as an effort to deal with the spread of COVID-19. Indonesia has started a vaccination program since the beginning of 2021 and has successfully injected 321,258,956 doses of COVID-19 vaccine in both the first, second, and third...

The costs of rebuilding the Kariba Dam consist of demolition costs and construction costs. To evaluate the costs of reconstruction, we set up a model. In this model, partial least-squares regression analysis is carried out on the known construction costs of different dams through different periods. Then...

With the explosive growing of data, there are challenges to deal with the large scale complex data. Many clustering algorithms have been proposed. Such as Affinity Propagation (AP) clustering Algorithm, AP takes similarity between pairs of data point as input measures. AP is a fast and efficient clustering...

For the application of electrical conductivity measurement of ice core in the analysis of ice core processing, foreign hand-held electrical conductivity measurement unit is developed and updated by using servo motor to automatically control electrical conductivity measurement. while the corresponding...

The optimal design of MBR system for oil film wastewater was introduced. The influence of aeration rate, aeration structure and reactor structure on the average cross flow velocity was studied. The average cross flow velocity between films was 1.25~1.28 M/s is a reasonable parameter to effectively slow...

Abstract.In order to make up for the management defects of the spare parts management mode in the converter substation, combining the thinking mode of the internet of things to improve the management mode of spare parts, and realize the management of spare parts and spare parts to further enhance the...

Reliability of the power system depends on coordination and coherence of continuous processes of production, transmission, distribution and consumption of electric energy. It is offered to consider a power supply system of Russia as a four-level hierarchical system due to the terms of uninterrupted operation...

High mobility of computing entity and user in the physical space is an important feature of smart home environment. In order to provide transparent digital services for users "anytime, anywhere", seamless migration as the core issue must be addressed, that is, with the user's mobile, accompanied computing...

In order to optimize the application of biodiesel for diesel engines, the low-temperature fluidity, pulverization and evaporation, erosion capability and invariability of diesel and fatty acid methyl ester (FAME) were compared and analyzed. The cold filter plugging point, solidifying point, distillation...

Based on the method of homogeneous composite aluminum electrode with pulse electric field to removal phosphorus in moderately pollution water, which is expressed the effect of operation time and electric field intensity on it. The results shows that when the pH=6-7, reaction time 60mins, electric field...

It often happens in anchor cable projects that the beams of anchor cable fail to exert the optimal effect or even the projects fail due to the irrational design of anchorage angle. In response to this, based on the principal theoretical formula, the expression of the optimal anchorage angle was deduced,...

The tungsten tailings include amount of SiO2,CaO, Al2O3.Tungsten tailings were modified by aluminate as modifier.The activation index of tungsten tailings powder was 64.5%,when aluminate dosage was 1.2%.FT-IR results showed that there were two new peaks which were vibration characteristic absorption...

The heap of new waste in landfills impose a large additional load on leachate pipelines constructed under existing landfill sites. There is urgent need to address safety problems caused by the new effect that is produced on these pipelines. Based on a modified Spangler model, the deformations of HDPE...

Remote sensing images have been a main information source of the pre-disaster monitoring, disaster prediction and rapid assessments of disasters. However, the existing affected objects classification system, which is designed for the post-disaster survey, hardly meets the requirements of applications...

The innovative computer design takes advantage of the theory of industrial design, design psychology, material science, ergonomics, computer aided design concept, also combined with designer’s feeling and understanding of many years working on the edge of design field. This new design not only considered...

With the development of solar power generation, the research of high-power photo voltaic grid-connected systems has become a hot topic. The establishment of mathematical models for photo voltaic arrays and photo voltaic grid-connected converters has important research on photo voltaic grid-connected...

This work is devoted to geomorphological studies of the structures of the Klyazma River basin and factors of modern exogenous morphogenesis in the river basin and its morphological parts. The landscapes of the basins of small rivers have been experiencing anthropogenic load for a long time, so the processes...

Medium and long term load forecasting is important for power system planning and construction. Affected by the New Economy normal and other relevant factors, various regions of China have entered a new period of economic development mode and industrial structure changing. Load structure and load growth...

Shield tunneling machine is a kind of large-scale high-tech construction equipment specialized for the underground tunneling. Traditional shield tunneling machine with the circular-section has problems such as low utilization ratio of cross-section, waste of space and so on. In this paper, we present...

This paper calculates thermal-structural coupling analysis of the heater component considering thermal radiation and heat conduction. We get the heater components steady temperature field and stress distribution. The thermalstress is taken as prestressed force and finite element analysis is used to obtain...

MongoDB is a document-oriented database technology that supports unstructured data processing. In general, there are two approaches to modeling data relationships between entities in MongoDB, namely the Embedded and Normalized data models. This study analyzes the data processing time performance of both...

Teaching and learning activities often have problems with the absence of lecturers from class in the teaching and learning process even though the lecturers’ attendance is recorded. The RFID presence system which has been widely researched does not perform the presence of the two objects, namely lecturers...

This research proposes an analysis of power requirements for the development of an optimal hybrid power generation system, especially for level crossings. Level crossings are critical points in transportation infrastructure that require a reliable power supply for train operations and traffic management....

During the drilling process with minimum quantity lubrication (MQL) for AISI 1045, the thrust force and torque influence the drilled hole’s surface quality. Therefore, it is important to select the appropriate combination levels of machining parameters in order to minimize the thrust force, torque, and...

This study utilized Geographic Information Systems (GIS) to map and analyze the distribution of major diseases within Alang-Alang Lebar, Palembang. By integrating epidemiological data and environmental factors, the research highlights significant patterns in the prevalence of hypertension, diabetes mellitus,...

Distributed Data Caching Technology plays an important role in the system architecture. It can reduce the load of database access layer and improve overall system performance. Because of the shortage in data redundancy backup and failure recovery of existing products in the distributed data cache, this...

Electromechanical integrated toroidal drive is a new-style composite drive, it integrates power and drive function. The mathematic models in coordinate system of the drive were derived based on the operating principle of the drive. In order to improve the controllability of toroidal drive, a vector control...

We have investigated the Fe and (Fe,Zr)-codoped In2O3 by first-principle calculations. Our results reveal that antiferromagnetic interaction dominates in the Fe-doped system. When Zr is introduced, the extra carriers mediate the interaction between defects and greatly enhance the ferromagnetism of the...

IDA need elastic and plastic analysis of the structure with a large number of different intensity ground motion inputs and had some disadvantages such as high cost of computation, retraction and non-monotonicity of its curve. An improved method of static elastic-plastic analysis with the consideration...

Internal ballistic equations of artillery shrapnel are established on the basis of theoretical analysis, and equivalent method used for dealing with semi-combustible cartridge case, calculation program selects the Matlab software. The simulation results are accord with the experimental data, it shows...

as the global resources is increasingly scarce and the environment is worse, people put forward the higher request for building materials and environmental protection. And bamboo is economy ,renewable and environmental protection. Apply bamboo instead of steel to concrete plate, increase the hollow rate...

The paper proposes a new encryption method named as wireless bluetooth vioce source real-time encryption method which adopts encryption algorithm of improved Logistic mapping, in order to solve wiretapped problems, improve the security of the voice transmission and ensure the integrity of the voice signal.

Due to its high efficiency, high precision and high flexibility, CNC lathe is widely used in the machinery manufacturing industry increasingly, and becomes one of CNC machine too[s that most widely used. However, to give full play to the role of CNC lathes, the key is program, that is, preparing the...

It’s an inherent requirement for the energy enterprises to effectively fulfill their corporate social responsibility in order to realize their sustainable development along with the society. Taking the listed corporations in energy industry as the research samples, this paper analyzed the influence of...

Intangible cultural heritage is an important symbol to recognition different ethnics. In order to enhance the copyright protection and authentication of intangible cultural heritage, this paper presents a novel way to process the carried image that Li brocade. Firstly, Li brocade image was decomposed...

Leakage rate is a key parameter for evaluating the mechanical seal performance. The leakage process of mechanical seal is very complicated. Influencing factors of contact mechanical seal are many, and the leakage is a variable associated with operating time rather than the steady parameter. Therefore,...

Rainfall reduces the possibility of increasing landslide instability. In order to study the stability of landslides with multi-stage sliding surface under rainfall conditions, this paper studies the physical and mechanical properties of soils with different moisture contents through direct shear tests...

With the introduction of "Internet +" series of policies, the development of energy Internet has reached a new climax. Based on the research of domestic and foreign literatures on the development of energy Internet, this paper introduces the Energy Internet benefit assessment and development model in...

In passive tracking, the nonlinearity may cause computational complication and precision degradation. To solve this problem, a novel filtering-smoothing algorithm based on Square-Root Unscented Kalman Filter (SR-UKFS) is proposed to track underwater target. In the SR-UKFS algorithm, the Square-Root Unscented...

In order to help the engineer to understand the variation inside the ground before and after the failure of the embankment, to avoid the accident, the surcharge preloading with plastic vertical drains is carried out numerically. The loading rate is accelerated artificially to analyze the variation of...

The new type of anchor cable structure with prefabricated internal anchor head has advantages such as high anchoring force and good durability, and has great application prospects in transportation engineering and civil engineering. However, there is currently a lack of systematic research on its load-bearing...

Based on the relevant design parameters of the storage power station diversion tunnel, a numerical simulation study was conducted using the VOF hydrodynamic model to investigate the arrangement of the double-layer inlet, relative pressure and head loss coefficient. By varying the ratio of the horizontal...

This study aims to analyse pre-service science teachers’ use of meta-discourse to construct students’ scientific knowledge. Data were collected from classroom observation, video recording, and review article. Results indicated ten major categories of meta-discourse (move/interactions pattern, types of...

Olivine plate-like structure LiMn0.8Fe0.2PO4/C has been successfully synthesized under mild conditions using H2O/DMSO as solvent and CTAB as surfactant. DMSO and CTAB promote the formation of plate-like structure. The prepared plate-like structure LiMn0.8Fe0.2PO4/C delivers a reversible capacity of 141mAh•g-1...

This paper analyzes the economic effect of railway piggyback transportation in China, comparing the cost be-tween railway piggyback transportation and that of highway transportation. After calculating the cost of sta-tion to station railway piggyback transportation and that of highway freight transportation...

In September 6, 2016 during the G20 summit between China and Kazakhstan signed the Silk Road Economic Zone and the construction of the road of light new economic policy docking cooperative planning. This paper cleared that both sides should steadily promote productivity and investment cooperation, strengthen...

There are many defects in traditional file service system, and this paper suggests a new system that based on the semantics of big data. It introduces some concepts, such as big data, semantic and information retrieval firstly. Secondly it introduces the key techniques. Then it analyzes and designs the...

Green building materials is one of the specific embodiment of the sustainable development strategy in the field of architecture. Because of the differences in geographical, concepts and technology, the countries’ understanding of green building materials and the application are different, and the power...

When the construction wastes were used as raw materials of Recycled concrete, the type and replacement ratio of recycled aggregates should be considered in addition to mix proportion. It is very difficult to describe the complicated nonlinear relationship between different indexes. Through analyzing...

The concrete industry needs millions of tons of aggregate, comprising natural sands and gravels, each year. In recent years there has been an increasing trend towards use of recycled aggregate to save natural resources and to produce lightweight concrete. In this investigation, an attempt was undertaken...

The hydrometallurgical process of leaching molybdenum and nickel from black shale without reagent was investigated. The extraction of Mo and Ni from molybdenum-nickel ore by oxygen pressure leaching, which exploit the characteristic of molybdenum-nickel minerals contain high concentration amorphous sulfide...

The present study was conducted to obtain a better understanding of the variation rule of compressive mechanical properties of laminated natural bridge bearings under damper and thermal aging condition. A total of 5 specimens were processed in a high-damp and temperature chamber, and one specimen was...

Phase-comparison Curve; High Linearity; No Dead-zone.

Chiral resolution of naptalam using various functionalized multi-walled carbon nanotubes (MWCNTs) mediated thin-lay chromatography was studied. D-tartaric acid was used as chiral selectors and cyclohexane-alcohol solvent mixture was used as developers. The results indicated that under the condition of...

At present, the research is not enough for the correlation of loess strength parameter and freeze-thaw cycles in domestic.The paper aims how the change of freeze-thaw cycles influence the stress characters of intact loess by consolidated drained triaxial shear test for the Shanxi loess.The results showed...

At first, this paper has summarized the theory of frequency doubling crystal, summarized suitable for uv frequency doubling of the characteristics of nonlinear optical crystal, put forward the theory basis of frequency doubling crystal KTP crystal, debug out of efficient cavity frequency doubling green...

To identify vehicle wind noise sources in aeroacoustic wind tunnel, Beamforming technique is widely used today. In this study, a production car Roewe 350 was set on the turntable at 1:1 aeroacoustic wind tunnel of Shanghai Automotive Wind Tunnel Center (SAWTC), a planar spiral microphone array with 120...

Taking landslide with accumulation layer-bedrock contact surface which located in Langao county in Shaanxi province as the research object, the basic characters of landslides are summarized by field investigating, engineering geological analyzing and mathematical statistics method, the main characters...

The increasing need for precise and multifunctional robotic systems in industries such as assembly, welding, and painting shows the importance of kinematic analysis. This paper aims to study and explain the kinematic properties of a three-degree-of-freedom (3-DOF) manipulator, which encompasses a revolving...

The water requirement for normal consistency of cement is an important technical index to measure the performance of cement. The water requirement for normal consistency of cement will directly affect the performance of the concrete prepared, in this paper, four kinds of cement with different water requirement...

Palm sap is the liquid extracted from the sap-producing tree which is obtained by tapping. Palm sap is processed into palm sap sugar to increase its selling value and quality. The process of making palm sap sugar is time consuming, therefore the innovation of palm sap sugar, which is processed into powder...

Processing household liquid waste is a significant environmental challenge, especially in urban areas with high population density. This research aims to develop and test a prototype of an innovative small-scale biofilter system for processing household liquid waste. We designed this prototype to be...

With the development of the electronic commerce and information technology, the network commercial activities have become a stream of tide. More and more people are keen on shopping online. Customer loyalty is an important factor that affect customers' future continuous interaction with enterprises....

In this paper, the influence of banded carbide structure on Rolling Contact Fatigue (RCF) of GCr15 bearing steel was investigated by using MMS-2A double-roller wear tester under dry friction at room temperature. Surface damage was characterized using SEM and OM. The results showed that with the increase...

The management innovation ideal solution has been widely used in industrial management system. In this paper, the management innovation ideal solution evaluation index system is established. However, because the article has adopted expert estimation method to confirm the index weight, the conclusion...

Control can make things develop following the planning direction, and keep the change of deviation from target in the permitted limits. Ecological control eco-control combines ecology with cybernetics, which researches on the process of information transfer, transformation, treatment for the ecosystem...

Researched the uncertain Job-Shop Scheduling, on the basis of the original triangular fuzzy number to describe fuzzy processing time, structured the fuzzy Job-Shop Scheduling model. Algorithm using the concept of "big valley" topology represent solution space, using strong swap mutations in early immune...

In this paper, physical and mathematical model are set up by using the computational fluid dynamics (CFD) technology in a graduate student dormitory. Air distribution simulation is conducted for door and window on the door during opening and closing periods on the natural ventilation conditions of v=1m/s...

Being led by implementing the scientific development concept with three basic concepts of "the development of innovative", "people-oriented" and "coordinated", giving full play to “two major advantages” of new non-government college itself and making great efforts to develop “three growth points”, the...

The industrial structure of Hebei Province is dominated by high energy consumption. In order to develop a low carbon economy, Hebei Province has the advantages of energy resources, but also the certain difficulty for energy-saving and emission reduction. This paper analyzes the actuality of energy resources...

The distribution of three typical pharmaceutical contaminants, caffeine, naproxen, and diclofenac was investigated in a typical municipal sewage treatment plant and the removal was analyzed in various treatment processes. The results show that all treatment units could affect the removal of pharmaceutical...

Component structure design is based on the finite element analysis technology, and the structure optimization is obtained by the iterative process of the boundary. However, this method is time-consuming and expensive to deal with the numerical simulation or complex engineering problems. In this paper,...

The texturization of monocrystalline silicon wafers using different K2CO3 concentrations under different times and temperatures solution has been investigated. In this paper, the pyramid density, size and uniformity on the wafer surface were discussed in different variables. We found that texturing time...

A three-dimensional thermal model has been developed to examine the thermal behavior of a lithium-ion battery (LIB) during discharge. The effect of discharge rate and forced convection on the heat dissipation performance of models under different working conditions was analyzed. Simulation results show...

As a significant stage in an Automatic Number Plate recognition (ANPR) system, License plate localization (LPL) is often computationally expensive. A novel LPL algorithm using morphological operations is proposed in the paper. The algorithm has the property of low complexity and high detection rate....

The work objective is to identify the content of acrylamide in bakery products through capillary electrophoresis. For identification, we used the "Kapel 105-M" capillary electrophoresis system with spectrophotometric detection. The study was targeted at bakery products made of top-grade wheat flour by...

Most of shape memory alloys (SMAs) are functional intermetallic. They are now practically being used for couplings, actuators, medical guide wires etc. And are hopeful candidates for smart materials, which already exist. Several papers review the latest developments in the modelling of SMAs constitutive...

For cross-sensitivity problem between strain and temperature in Fiber Bragg Grating (FBG), A FBG signal demodulation system is designed in this paper; signals are acquired and processed by Labview. The experiment of strain sensing with real-time temperature compensation has been studied based on FBG...

The thermal environment of tourist attractions, particularly in regions with hot summers and cold winters, significantly impacted visitor experiences and revenue. This study applied the microenvironment simulation software ENVI-met to analyze the thermal environment of historic streets and alleys under...

The COVID-19 pandemic has weakened many sectors, one of which is tourism. Almost all priority tourism locations of the government experience a significant decrease in the number of foreign and domestic visitors. This also impacts the level of welfare of the community around the tourism area. This study...

The collection of Reliability, maintenance and supportability (RMS) data is the important basis for preparing to construct and deploy equipment support system and its support resource. It has an important significance for the construction of digital troops. This paper begins with the analysis of the...

In this paper, Pan-Boolean algebra is designed in SVPWM algorithm for inverter. The switch control of the conventional SVPWM algorithm is expressed by the Pan Boolean algebra, which named the Pan-Boolean control SVPWM algorithm. The results of simulation test in MATLAB Simulink and physical model test...

The influence of wind energy on the energy cycle and atmospheric circulation in nature and the possible impact on the climate are the hotspots in recent years. The comprehensive analysis of domestic and foreign research shows that the wind farms have a certain impact on regional and global precipitation,...

A method which uses the dynamical model is raised to solve the human initial gesture of the man-rifle system. It uses the known information of part of limbs to build the truthfulness constraint, and then solve the problem with the dynamics of rigid multi-body. Using this method and combined using ADAMS...

In the vehicle side impact test, the dummy injuries were caused by the door intrusion. But because of the complexity of the door structure and the connection relation between the door and the vehicle body, the acceleration of the different position of the door was greatly diverse in the side impact....

With the gradual deepening of Changqing Oilfield horizontal wells, horizontal wells see water phenomenon is gradually increasing, more than 80% of the current water level of high water wells horizontal wells accounted for 25.5% of the total number of open wells. High water level of wells governance means...

This paper designs a vehicle intelligent anti-collision warning system based on the single chip microcomputer AT89C51, which has such characteristics as low cost, high-accuracy, micro-miniaturization, digital display and acousto-optic alarm function. The system includes forward anti-collision warning...

The crack resistance at low temperature of semi-flexible pavement was favorable, which prepared by waterborne epoxy-emulsified asphalt-cement as grouting material. While the E/A is 0.6, the maximum bending strain has reached 2662??, which is close to SMA-13. In the three-phase grouting system, asphalt...

In this paper, we solve coupled Lane-Emden equations arising in catalytic diffusion reaction by reproducing kernel Hilbert space method. First, we construct a reproducing kernel Hilbert space satisfying boundary value conditions and provide an iterative method to obtain the approximate solution. Then...