Advances in Engineering Research

This paper presents the comprehensive design, optimization, and validation of a 5-bit absolute value detector (AVD), achieving notable reductions in delay and energy consumption for digital integrated circuits. AVDs are crucial in applications such as digital signal processing and numerical comparisons,...

This paper takes the special-shaped curved building surface of Hangzhou East Railway Station as the research object, draws lessons from the theories and examples of nonlinear building surfaces and its parametric technology at home and abroad, summarizes the technical characteristics and design methods...

This paper discusses the formation of student public opinion from the foregoing background, and studies the sources, types and character of the Internet education public opinion, then discusses the strategies for accessing and filtering the sources link and content of the Internet education public opinion...

Interconnecting wires is sometimes difficult, inconvenient and even impossible when the light source controller is installed in the industrial field. In order to solve the problem above, a digital wireless LED light source controller for machine vision is proposed in this paper. Firstly, the hardware...

With the development of marine transport, ship timely maintenance and repair of performance as one of the main factors affecting the efficiency of transport. Ship lift platform of steel structure provides appropriate maintenance and docking capability for marine areas, while steel platform has many advantages:...

The effect of pomelo peel on the adsorption of organic dye rhodamine B (RB) was explored through a series of experiments. The influence of factors including pH value, initial concentration of RB, dosage of pomelo peel, and temperature upon adsorption of RB in aqueous solution was studied. The results...

The main objective of this study is to design and analyze the important components of pressure vessel according to the internal design pressure and temperature by using finite element method. A pressure vessel is a closed container designed to hold gases or liquids at a pressure substantially different...

The Hongshiyan landslide dam is composed of landslide body accumulated in river. Its composition, which includes series of questions such as unevenness, loosening and gradation uncertainty, is complex and random. In order to ensure the safety of the dam body, the joint seepage control measures of impervious...

According to Grey theory and Radial Basis Function (Radial Basis Function, RBF)neural network forecasting method respective characteristics, based on Ningbo port container sea-rail transport volume for the original data in recent six years, Grey-RBF neural network combined forecasting model is used to...

Based on the finite element analysis software ANSYS Workbench, studied the fluid-solid coupling numerical simulation of the pipeline centrifugal compressor impeller with the unstructured grid finite volume method and finite element method. The equivalent stress distribution of the impeller, which caused...

Taking Taoping Qiang Dwellings in Li County, Aba Prefecture of Northwestern Sichuan as case, this paper analyzed low ecological technology strategy applied by Qiang Dwellings in Northwestern Sichuan for coping with alpine region, including regional environment strategy, architectural technology mode....

The annual municipal water consumption in the Khartoum State is half milliard cubic meters from the River Nile plants and the drilled water supply wells. Sixty percent of this amount is derived from the groundwater sources. Examination of the drilling recorded data of over 2000 wells distributed all...

Jinsha river bridge is the biggest span suspension bridge under construction across the canyon. The analysis of the cable crane is of vital importance. The parabola theory of three spans is used in this paper to design the selection and installation of the sag of the track cable and hoisting cable. At...

Here an experience on utilization of coal mine methane (CMM) to generate thermal and electric power at Kuzbass coal mines is given. A process model of CMM utilization is presented in the form of a Petri net.

This paper introduces a kind of key technology of an energy-efficient wireless router switch design. The core of this technique is to monitor the flicker frequency of wireless network signal to realize the wireless router control. Our project team received data through experiments and analyzed it by...

An analytical method of SRF considering MDOF effect of bridge structure was put forward. The definition and calculation method of amplification coefficient were proposed. Calculation programs were compiled to analyze various equivalent pier MDOF model of bridge through the combination of finite element...

For the past few years, more and more applications and services need to interact with information from real world. Therefore, many researchers are focus on theories and techniques about the Internet of Things and more enterprises have already adopted this new-generation information technique marked with...

The prediction for the frame of a video is difficult but in urgent need in auto-driving. Conventional methods can only predict some abstract trends of the region of interest. The boom of deep learning makes the prediction for frames possible. In this paper, we propose a novel recurrent convolutional...

The article presents the results of the determination of the index (the ratio of the actual indicator to the standard for strong wheat) of the nature of the grain, the mass fraction of gluten in the grain, the strength of the flour, the bread volume and the overall baking evaluation for wheat varieties...

This paper presents a method based on georeferenced feature image to automatically extract typical disaster-bearing targets from coastal LiDAR data. Firstly, the noise and the water surface of LiDAR point cloud are removed by using the elevation histogram. Secondly, by analyzing the spatial distribution...

Based on the analysis of the influence of prestressed beam tension on the concrete box girder structure, this paper puts forward the characteristics of the construction of viaduct. It is based on the construction characteristics of viaduct. The reasonable tensioning sequence of prestressed concrete box...

Four models of Concealed multi-ribbed frame thermal insulation walls are manufactured at 1 /2 scale and then tested under eccentric load. The wall's failure processes is described. Cooperative working action, failure modes and bearing capability are analyzed to obtain the bearing capability calculation...

Research on performance of Electric Vehicle is very important, especially in driving range of a Battery Electric Vehicle (BEV) that requires precise State of Charge (SoC) predictions. The battery SoC is an important parameter that reflects the performance of the battery. Meanwhile, the battery has varying...

Because of its unique geographical environment and special climatic conditions, the Sedorongpu basin experiences frequent glacial geological hazards. This study focuses on the characteristics of a recent large-scale debris avalanche disaster (October 17, 2018) in the Sedorongpu Basin, aiming to investigate...

In this paper, conventional triaxial compression tests were conducted to obtain the full stress-strain curve of deep roadway rock mass. Considering the post-peak flow and drop failure of the curve, the surrounding rock was divided into three zones: elastic zone e+ plastic flow zone w+ fracture zone b....

The strength of RTP non-metallic pipes is provided by the reinforcement layer structure, which comes into contact with the medium inside the pipe and provides corrosion resistance as the lining material. In order to overcome the weakness of high gas permeability of traditional plastic lining materials,...

The high strength low alloy steel's (HG785D) welded joint was formed by strength match under MAG (80% Ar +20% CO2). The microstructure, micro-hardness and fatigue crack growth rate of the parent metal, weld and heat affected zone were tested and analyzed. The results show that the heat affected zone's...

In order to reduce the computation time and increase the convergence rate of absolute nodal coordinate formulation (ANCF), this paper gives a new local mesh refine method that can densify the mesh locally according to the degree of stress concentration. The mesh is divided into two kinds after comparing...

Light emitting diode( LED) is widely used because of its high efficiency, environmental protection, long life and so on. However, the use of LED is affected by the performance of the driving power supply, especially in the complex and poor working environment. Therefore, it is very important to improve...

This paper designs a lower limbs rehabilitative robot with compact, functional and widely applied features for patients with lower limbs disorder. This robot is consisting of hip transverse adjustment mechanism, hip and knee joint compound movement mechanism, bed angle adjustment mechanism and pedals....

[Objective] By screening salt-tolerant strains , provide support for salted wastewater.[Method]With high salted water high efficiency salt activated sludge acclimation salt high efficiency cultivation as the source of strain , isolated and purified salt-tolerant strains , by measuring the salt-tolerant...

In this thesis, we implement a fast human face detection system based on the the latest real-time feature detection algorithms presented by Paul Viola [1]. Based on the implementation of the algorithms developed by Paul, we developed a quick image scanning algorithm and an algorithm for simple classifier...

The original East Pier wastewater treatment plant in Beijiang Area, Tianjin Port, was built in 1992 to treat the wastewater produced locally. As required by the environmental protection department and owners, the output quality after treatment should meet the first class-A standard in “Pollutant discharge...

Mining companies the world over are seriously looking at the 'total cost concept' having fully realized the benefits of good fragmentation and muckpile looseness achieved in the primary blasts itself. Good blast planning and accurate monitoring of the various operations holds the key to reaping and realizing...

LNG low-temperature pipe pre-cooling is difficult point of completion and commissioning of LNG project, under the flow rate of 0.2m/s,0.5m/s and 1m/s, FLUENT software is used to conduct simulation of BOG gas pre-cooling technology for 63010mm low-temperature pipe to obtain temperature change regularity...

This paper proposes a physical model of pressure compensation with accumulator based on the simulation research. The best accumulator can be chosen quickly and reasonably for different sampling systems. The mathematical model about the final pressure of the accumulator is established. The accumulator...

In research process of professional employment management platform for multimedia majors in the cloud computing environment, due to the current student employment management algorithm, increasing employment information is unable to meet the requirements of information processing. A design method of such...

To investigate the effect of schizandra B(Sch B) on reorganization of primary hippocampus cells dendritic spines induced by Glu. Methods: The primary hippocampus cells were divided into control group, model group and Sch B group. The primary cells in control group were untreated; the primary cells in...

Nowadays, tumor imaging is widely used in biomedical field. However, the materials of imaging is rarely and strict. This study developed a method for preparing autofluorescent polyacrylamide nanoparticles (NPs). The polyacrylamide NPs were treated with glutaraldehyde, and then removed excess glutaraldehyde...

In this paper, in the light of the diversity of space-crafts in space information network and the fast switching characteristics of network nodes, a hardware in the loop (HITL) test-bed is designed and built for testing and evaluating the appointed space information network, which consists of the modeling...

A new design of high thermal efficiency gas stove which can effectively utilize waste heat of the stove has been proposed by directing at the low thermal efficiency problem of existing open combustion-type gas stoves. Based on practical product investigation, technical methods including introduction...

This paper puts forward a new method named war experimentation demonstration to evaluate the quality of operational requirement scheme of equipment. Based on defining the correlative concept of operational requirement scheme of equipment, its quality evaluation, and war experimentation demonstration,...

PT. Kawai Indonesia is a musical instrument manufacturer that produces reliable piano instruments. With the level of intense competition among other piano brands, the company must be able to maintain the quality of its products by reducing claim defects that occur due to several errors from both internal...

Under the background of the current national regulations and the goal of “double carbon”, it is necessary to start from the shape design of high-rise residential buildings in cold regions to reduce building energy consumption. This study summarizes the key elements of high-rise residential shape design...

The waste cooking oil and waste engine oil were combined with waste tire rubber and subjected to pyrolysis to produce the regenerant. The Soluble fractions were separated and characterized through Soxhlet extraction. The self-healing properties of the asphalt were analyzed using a dynamic shear rheometer....

This paper conducts an in-depth analysis and optimization of the high power consumption issue in mobile office applications. By long-term tracking and analysis of the power consumption logs and CPU processes of a certain office work APP, it was found that there are abnormal threads when the application...

This paper describes in detail the principle and process of transparent task mode by comparing the traditional electricity-price issuing mode and the transparent task electricity-price issuing mode. Experimental results of the emulational platform district and the on-site platform district are integrated....

In order to improve the effectiveness of multi-objective and multi-attribute decision of road preventive maintenance, the paper considers the characteristics of preventive maintenance decision-making, establishes a preventive maintenance decision-making model based on Data Envelopment Analysis (DEA)...

Pan and Wang presented a generalized preconditioned Hermitian and skew-Hermitian splitting (GPHSS) method [J. Numer. Methods Comput. Appl., 32., 174-182, 2011] for saddle point problems. The method is improved to solve saddle point systems whose (1,1) block is a symmetric positive definite M-matrix with...

The key problem of task scheduling is to give optimal matching schemes for tasks and resources. In the scheduling process, users pursue high quality and service providers favor high yields, so the high efficiency must be considered in the process of task scheduling. The author puts forward a task scheduling...

Based on the measured data of wide area measurement system(WAMS),a method of automatic trend identification for frequency in power system is proposed.Using data-smoothing technology to eliminate the influence of the signal noise such as burr to extract the overall trend of the signal and combining with...

In this paper, a new cellular-automata-based stock market model is constructed. Differing from the previous models, this model takes amount of investors’ capital, the important factor, as a normally distributed random variable, into account. By combining with the characteristics of the current stock...

Decamba degradation using ozone-fly ash combined process has been studied in laboratory. The effect of pH value on dicamba degradation was investigated. Kinetic analysis was carried out. The experimental results show that pH value has a significant influence on dicamba degaration. The increase of pH...

This paper presents a comprehensive review of the current state of research activities on the application of constructed wetlands for removing emerging organic contaminants (EOCs) from wastewater. The design parameters of the reported constructed wetlands including the physical configuration, vegetation...

Combined with the north project of Dalian international oil reserve, based on the monitoring of box gabion stone retaining wall, the earth pressure of box type reinforced gabion retaining wallwas studied. It can be further development of this technology, provides an example for the comprehensive application...

The tunability on the refractive index of the liquid crystals makes the photonic crystal optical switch possible, which comprises liquid crystal materials. In this article, based on the light induced alignment of liquid crystals and the self-collimation effect in the photonic crystals, an all-optical...

It is very difficult to get exact accurate estimated value When the Markov process theory is used to calculate the number of remaining mines, because the prior knowledge has not been fully utilized. For solving the above problems, this paper establishes posterior distribution model of Estimation of the...

SCR (Selective Catalytic Reduction) technology is the most effective after-treatment technology of DeNOx on vehicle diesel engines. In this paper, a modeling of vehicle diesel Urea-SCR after-treatment system was set up with the method of CFD coupled with chemical reaction dynamic, to make a full-scale...

Nowdays, one of the realistic topics is the diversification of environmental public service's subject. In the Governance theory, if an effective coordination mechanism is constructed in public service area, government, enterprise, the third party will together take part in the supply of public service....

Micro-Electro-Mechanical Systems (MEMS) are widely used in biotechnology, medicine, communication and inertial sensing. Utilizing the integrated combination of electro and mechanical systems, MEMS are able to achieve new functionality. In particular, a folded dipole array is an important component in...

This paper is mainly to study the working state of a certain space appliance through the MCU and the circuit. The main core of the design is composed by the control core microcontroller AT89S52, digital sensor, LCD FM12864M-12L and some other peripheral circuits. This paper mainly introduces the performance,...

Mechanisms and units with reciprocated impulse electromagnetic drives are widely used in many industrial technological processes for material plastic deformation and disruption. With respect to modern energy saving requirements, low-frequency impact synchronous electromagnetic machines attract attention...

It is an important direction to improve the construction level in China to vigorously promote the high strength concrete structures in civil engineering application. The research on the high strength concrete confined by the high-strength stirrup columns breaks the restricted area of the high axial pressure...

Aiming at the problem that the study of vehicle door lightweight is mostly the single-objective optimization, and do not take unconcern factors into consideration, the vehicle door lightweight research of multi-objective optimization and robustness analysis is conducted. Firstly, the sensitivity analysis...

More than 50% of intelligent industrial robots used in the automotive field, and the deburring process is an important part of manufacturing technology. Using the patentometrics method for global deburring robot industry related technical patent statistics, makes patent trend analysis and interpretation...

The rise of fires caused by gas leakage, Liquefied Petroleum Gas (LPG) often occurs in the community and can cause material damage, as well as fatalities, in general, gas leaks occur due to problems with the regulator. Therefore we need an LPG leak control system that can provide information on LPG that...

The need for the development of the guide fin design that will be used in vertical double shaft wind turbines, the development of the directional tail fins are used to increase the efficiency of the wind turbine. By using a ratio of 1.4 and the area being scaled to 0.042 m2. The purpose of this research...

Landslides often occur in the Cisumdawu toll road area. The reason is that the toll road section is located in a basin surrounded by three volcanic mountains, namely Mount Tampomas, Manglayang, and Patuha, so that it has geographical conditions in the form of ravines and cliffs that have steep slopes....

The encapsulation technology of manufacturing resources for software is studied, which can efficiently share software resources under the environment of cloud manufacturing service. We propose a general encapsulation method of cloud manufacturing resources based on Web Service. Firstly, cloud manufacturing...

Al2O3-ZrO2 composite powder by sol-gel method was added into fine-particle and ceramic type zirconia me-tering nozzle to prepare modified metering nozzle. The differences in performance of nozzles were studied through XRD, SEM analysis and physical property test. The results are as follows: After modified,...

If tourism benefits, plutonomy benefits and generated hydropower are incorporated in the mathematical model to be studied, it is bound to make the model very complex and difficult to solve. To solve this problem, the key role of dam system in flood control, water and sediment regulation should be considered,...

This paper provides an elaborate summary and review on the development and progress in the preparation and application of p-menthane-1,8-diol monohydrate.

This paper studied the effect of cryogenic treatment on the fatigue crack propagation property of 7075 aluminum alloy at a series of cryogenic temperatures using mechanics testing. Three cryogenic temperatures were chosen for cryogenic treatment: -60 , -120 and -196 . The result showed that cryogenic...

Monitoring of metal oxide surge arresters (MOA) due to aging, moisture and other components cause increased resistive current. Therefore, this paper designed an experiment-based DSP on-line monitoring device. The instrument can transmit the data into our computers or cell phonespassed by WIFI . In order...

This paper shows a new method to book loan quantity prediction using time series data mining which unites data mining and chaos theory to characterize and predict events in nonperiodic, complex and chaotic time series. Intelligent library management, including inquire, borrowing and reading, typify a...

In recent years, tunnels and underground engineering are developing rapidly, and meanwhile the topography, complex geological conditions making interpretation difficult in case of ground penetrating radar. To solve this problem, we introduce a two-dimensional forward simulation method for ground penetrating...

A technique for controlling the shape of the surface and the defects of the cutting tool by an optoelectronic system of the light field is proposed. The physical and information models of the optical-electronic light field recorder, the mathematical model of the edge of the cutting surface of the tap,...

A new Y-block design’s function and hydraulic performance were verified through numerical methods and experimental validation. The velocity fields of its internal flow channel and turbulence energy under different opening levels were analyzed by ANSYS. Combined with experiments, the automatic switching...

In order to optimize the production process of the fused Zirconia-Alumina-Silica (AZS) material, the cooling process of fused AZS material was analyzed and the influences of latent heat on solidification sequence, solidification time, temperature gradient and residual melt modulus of cast system were...

Jiangling depression found in oil exploration in its deep Tertiary volcanic rocks containing potassium-rich brine, unusually high grade potassium, potash is an important resource. Potassium-rich volcanic important reservoir brine, and depression has a wide distribution in the volcanic area of great thickness,...

In order to deal with the difficulties of the heavy workloads and ambiguity of text labeling in the traditional image retrieval and the problem that the studies on 3D medical images retrieval were lacking, this paper proposes an robust algorithm based on perceptual hashing for 3D medical images retrieval....

The approach to taking into account the spatial variability of soil properties during decision making in agro-ecosystem management has presented. The approach is based on the quantitative indicators of plants production process (wheat crop) obtained by using a dynamic model of the agricultural plants...

In this paper, we discuss how to combine the idea of sustainable development with urban planning as a public policy, and support the construction of low carbon cities by scientific and reasonable planning according to the concept of low carbon city. The main points of the paper are the guidance and the...

The geometrical structure, electronic properties, surface energy and formation enthalpy of Ni-rich Al-based quasicrystals cluster models have been studied with the generalized gradient approximation (GGA) based on the density functional theory (DFT). Based on the first-principles calculation method,...

Isopiestic method is a common experimental method used in the field of the thermodynamic property of electrolyte solutions. The principle of isopiestic method, the development of isopiestic equipment and the application of isopiestic method in the field of thermodynamic properties of aqueous solutions...

There are many gullies in loess area, if enough incompact soil accumulates in the gully, it will cause mudflow when encountering heavy rains. Kang gully located in transition of loess tableland and terrace of Weihe River in Weinan, has a larger longitudinal grade, intense erosion of ground water, and...

There are many problems such as various unknown signals, poor signals' stability and high error rates in the process of transmission. In view of the complex sensor distribution as well as various types of signals. This paper put forward a kind of device which can realize linear transformation from frequency...

Heart Rate Variability is the description of instant duration change between two linked heartbeat in a series of continuing ECG signal. It was found that it can be used to recognize people’s psychological stress. Characteristic parameters selecting and recognition model have becoming the kernel of study....

Users by different intensity authentication can gain different levels of access in secure operating system. Multiple authentication using Multiple Identity Authentications (MIA) mechanisms and MIA rules authenticate users, through the fuzzy inference, the different users are given different authentication...

Gear couplings are used to transmit torque, and theoretically all teethes transmitted the same amount of torque and there is no difference in meshing force for each tooth. In practice, due to manufacturing and mounting errors, not all teeth transmit the same amount of torque, and then resulting in an...

In this research, a two-dimension physical model experiment was conducted, which studied the wave force characteristics on steel pipe pile under three different construction stages. The experiment results show that the single pile horizontal force maximum and sub-maximum and total horizontal force maximum...

The purpose of this article is to explore student’s metacognitive failure based on red flag in mathematics problem solving. Red flag is a term that indicates the metacognitive failure was occurred, which is characterized by (1) there is an error detection, (2) no progress at processing step of activities,...

This study aims to produce a four-tier diagnostic test instrument on concepts in Chemical Kinetics where students experience misconceptions through the four-tier misconception diagnostic test. The test was developed based on several concepts: reaction rate, activated complex, reaction rate law, reaction...

The exceptional level of performance. In this work, the manufacture and characterization efforts are focused on a metal matrix nano-composite material that contains reinforcements made from agricultural waste. It is very desired to have composites that are constructed using aluminium 7175 as its foundational...

Recently, Additive Manufacturing (AM) technology was undergoing rapid development, incorporating nanotechnology to enhance the final product’s quality. Stereolithography (SLA) constitutes a form of AM that fabricates three-dimensional objects by solidifying liquid resin through ultraviolet light exposure,...

With the fast development of the Industry 4.0 program and the increasing popularity of high-level automation, the need for the identification and monitoring of industrial instruments grows as well. Convolutional neural networks can provide the precision and accuracy required for monitoring and recognition...

Potential mechanism of inhibition of Sulfate Reducing Bacteria (SRB) at the presence of ZnO/Tourmaline was further investigated by Density Functional Theory (DFT) calculation. The structure and electronic states analysis quantitatively and qualitatively dictate the selectively catalytic generation of...

On the basis of summing up the evaluation and prediction methods of construction land scale, this paper explored a new method for forecasting construction land in small towns. Taking Fuping County as an example, correlation analysis was used to determine the driven factors of land expansion such as economy,...

The design of front-end signals acquisition circuit is made for extraction of EEG signals, thus making it possible to amplify, filter, and remove the interference of source signal collected from the brain electrode. After the signal go in turn through such links as pre-amplification, high-pass filtration,...

Aiming at the NAND flash which is widely used in industrial storage management, the embedded file system named 'Jkffs' is designed, it is a log-structured file system, a direct addressing algorithm is descripted, Tnode-tree, changeble-Tnodelength are used, the method of Chunk array is mentioned also....