Advances in Engineering Research

In this paper, we present an improved method for obtaining quasi-cyclic low-density parity-check (QC-LDPC) codes of larger length by combining some component QC-LDPC codes of smaller length. Large girth can be obtained by carefully designing one large girth component code of smaller length. The other...

In order to identify Ford vehicles from non-Ford vehicles, this paper proposed a novel method based on the combination of wavelet entropy, particle swarm optimization, and support vector machine. We collect a 100-image dataset, 50 are Ford vehicles and the rest 50 are non-Ford vehicles. The results show...

This paper presents a novel fault identification method based on object oriented Bayesian network (OOBN) and dynamic fault probability according to the structure-function relationship and the failure mode effect analysis (FMEA) of the diagnosed system. Fault identification of complex electromechanical...

In this paper, image enhancement is realized by using the Incomplete Beta Function (IBF) as the gray transformation curve. The main idea is to employ Artificial Bee Colony Algorithm (ABCA) to select the optimal parameters of IBF, which corresponds to the best curve of grayscale transformation. Designing...

3-triethoxysilylpropylamine (KH550) polymer was coated on quartz fibers by a simple dipping process without any complex chemical treatments in order to increase the bonding strength between quartz fibers and boron doped silicone resin matrix. The effect of coating on the interface of quartz fiber reinforced...

Reog is one of the famous arts in Ponorogo. Reog Ponorogo is held not only to entertain the public, but also for ritual ceremonies. Reog craftsmen who are members of the Reog MSME business experienced many obstacles, especially during the covid-pandemic in obtaining raw materials, production, and marketing....

In recent years, remotely operated vehicles (ROVs) for underwater environments have played an important role in research, observation, and military applications, directly facilitating human intervention, without the direct presence of humans in the water. ROVs are typically manually controlled using...

The Solidworks Simulation Application Programming Interface (API) functionality can be used to automate the creation of studies, The API provides a powerful platform for automation as well as productivity gains for any user who needs to build custom inputs or outputs to drive Simulation studies or has...

The study deals with the visible-light-driven photodegradation of dye pollutants, especially for methylene blue(MO) over silver phosphate photocatalyst. The Ag3PO4 photocatalyst was synthesized by a simple ultrasonic-assisted ion-exchange method in weak acidity solution including silver nitrate, sodium...

The paper reveals regularity in solid phase materials property change depending on their capability of structural changes. A classification of technogenic waste is proposed that takes into account the condition of their production (biogenic, chemogenic, pyrogenic and mechanogenic) and nature of structural...

To enable hazard-free treatment of swine manure, a bacterium capable of using oxytetracycline as the sole source of carbon (Staphylococcus sp. TJ-1) was isolated. The organism was able to degrade 80.7% of oxytetracycline in 5.5 d when cultured at pH 7.0, 30°C and 100 mg/L of oxytetracycline. For its...

In recent years, the wind power industry in China developed rapidly, by the people's attention. The development of wind power has brought us considerable economic benefits and significant social benefits, but also to the stability of power system has brought a significant impact. Low voltage ride through...

Bluish-green BaSi2O2N2:Eu2+ phosphors were synthesized by a method using Ba2SiO4 as a precursor. The luminescence properties and formation process of BaSi2O2N2:Eu2+ phosphors formed by the method at varied Eu2+ concentrations and varied temperatures were investigated by X-ray diffraction (XRD), fluorescence...

The atomic motions in the twinning deformation of hexagonal close-packed (HCP) crystals was investigated at the atomic scale by using the giant atomic clusters (GACs) induced model, aimed at deepening the understanding to the twinning mechanism. It is found that the twin boundaries are composed of gradually...

One of the advantages of parametric array is its broadband ability at low frequency. Recently, parametric acoustic source is gradually being used in communication sonar and detection sonar in shallow water, and broadband signal design for parametric array is pressing in order to obtain high transmitting...

A novel glycyrrhizic acid (GA) mediated Calcium-alginate nanogel was successfully prepared by using GA, calcium chloride (CaCl2) and sodium alginate (SA) through reverse W/O microemulsion combined with controlled internal gelation method. Nanogels were characterized by Fourier transform infrared spectroscopy...

For example of the two-degree-of-freedom micro-actuator, the topology optimization, extraction and experiment are investigated. Firstly, the topology optimization model considering the suppression strategy of input and output coupling terms and optimization algorithm is developed. Secondly, according...

One of the most promising areas for the development of the viticulture and wine industry is the use of secondary resources. A new element in the solution of this problem can be the use of the vegetative parts of the vine-growing plant, namely, the red leaves, which have a large supply of antioxidants...

The strength of pervious concrete is relatively lower compared with ordinary concrete because of its porosity. In this paper, three reinforcing agents were used to optimize the performance of interface area between aggregate and cemented material. Specifically, the contents of FA were weight of cement...

According to the requirements for the construction of the knowledge system of the entity attribute framework, the acquisition of attributes is extracted from large-scale real corpus. Real corpus must contain neologisms which cannot be identified by word segmentation program. This paper proposed a method...

The coronavirus (COVID-19) pandemic leads to a growth in the use of online food delivery (OFD) services. To avoid getting infected with the virus, customers prefer ordering food through online applications and trusted providers than directly visiting the restaurant. The competition in the OFD service...

Enterprise data management has advanced to a level of complexity that traditional Extract, Transform, and Load (ETL) approaches can no longer cope with. Data pipelines are often manually documented, consuming extensive engineering time and frequently lagging months behind actual deployments, creating...

The prediction of surface water resources quantity in the Danjiangkou Basin is of great significance. However, the accuracy of mid- to long-term hydrological forecasts is slightly lower compared to short-term forecasts. In order to enhance the reliability of mid- to long-term forecasts and predict water...

Renewable energy sources (RES) are becoming more popular because the entire globe wants to use clean energy and it is easy to get to them. Renewable energy methods are now easy to add to power systems, so they can be used in both small distribution systems and large power grids. This integration of RES...

A design scheme for compensated thermal neutron detector based on He-3 tube of SiC micro-structure is proposed herein in order to improve the detection sensitivity of the thermal neutron detector and then to improve the detection precision. Firstly the physical foundation analysis of thermal neutron...

The pot experiment was conducted to study the effects of applying the hyperaccumulator plants (Bidens pilosa, Youngia erythrocarpa, Solanum photeinocarpum and Galinsoga parviflora) straw into soil on growth and cadmium (Cd) accumulation of Brassica chinensis. Compared with the control, applying hyperaccumulator...

The tea physical properties and quality are often influenced by the rolling pressure in the tea production. In this paper, the tea rolling modeling in the barrel rolling machine is established by analyzing the force situation of the tea leaves in the barrel rolling machine. The joint rolling curve synthesis...

It is important to study the temporal and spatial distribution of water chemistry for the regional water resources management. In this study, in order to obtain the water chemistry distribution of Dou River Basin, collection and test works have been done for surface water and groundwater, and the results...

The removal of chromium (VI) from water with used cigarette filters was studied by column experiments. The effects of flow rate, input Cr(VI) concentration, and column depth on the yield of Cr(VI) removal were investigated. The results reveal that the yield of Cr(VI) removal rises with bed depth as well...

The hyperbolic curve model is erected, the least square method is used to obtain parameters of the hyperbolic curve model, parameters of the hyperbolic curve model are regarded as state vectors to contain dynamic noises to erect Kalman filter model based on the hyperbolic curve model, on the basis of...

Deformation Measurement is a large measuring deformation monitoring of bridge and the bridge is structurally controlled an important part of long-term monitoring and diagnosis of health. The article comprehensively analysis contemporary advanced measuring equipment and new technology, such as GPS global...

The volume clamp method is a kind of non-invasive continuous blood pressure measurement methods, the traditional method is to convert light into a weak current to collect the signal of blood volume pulse by a sensor. In the process of signal transmission, it can be easily disturbed. We adopt a new method,...

As large scale complex surface product encounters problems such as large point cloud data density, various redundancy points and heavy processing tasks in reverse engineering, the Thesis analyzes necessity of data pre-processing in reverse engineering. For dispersing of data measurement, coarse point...

Multipath interference is the main factor of wireless communication, especially in the dense multipath channel. How to improve the performance of the tunnel wireless communication is a hot issue. From the modulated carrier, spreading, multipath propagation, to de-spreading process gives theoretical analysis...

The open smart grid reference architecture (SGRA), based upon the GridWise© interoperability framework, has proposed real-time integration architecture, EDA and robust CEP as key enabling information architectural capabilities. EDA complements SOA in event based requirement analysis & design paradigm....

This control system is designed for process control experiment platform, which combines the advantages of LabVIEW and MATLAB , avoid the shortcomings of the two. Double tank water level control is the object of the system, using PCI data acquisition card to collect the data and send control signals,...

in this paper, the traditional plate cutting machine working principle and control requirements was analyzed. And the control system was designed. Through the analysis of the design of PLC type, input and output points distribution, external wiring, ladder diagram programming process, the plate cutting...

The technique of fish fishing by the traditional fishing group Tuak Sabu Lasiana still uses a lift net with lighting still using petromax lamps, where the fuel still uses kerosene at a high price. The use of electrical energy as a source of lighting on the lift net is crucial in fishing....

In this study, a three-hole wedge-shaped yaw meter is used to measure the mean flow characteristics of a circular whirling jet with a diameter of 60 mm. Three nozzles one for free jet and one for whirling jets at five and ten degrees are utilized in this experiment. The nozzles are all 3-D printed from...

Xiaokaxiu is a video-shoot application that offers entertainment functionality and helps users record their funny videos. This paper, by analyzing its present situation and users experience, concludes its needs for entertainment and different levels of pleasure, and then puts forward some follow-up innovative...

Treatment of toxic organic wastewater biorefractory due to lack of effective treatment methods became the difficulties in the field of water, humans and the environment caused great harm. In this paper, lead dioxide doped vanadium and titanium thin films were characterized and Photocatalytic. On this...

Analyses the measured data of water pumps in the 10 central air conditioning projects. The results show that the measured flow rate of pump is 19.3 percent higher than that of design flow rate on average, and the measured efficiency of pump is 58.8 percent higher than that of design value on average....

Aiming at the problem of image noise level estimation, this paper proposes an algorithm for noise estimation by singular value decomposition and neural network. The larger (head) parts of the singular values of an image are mainly affected by main structure of the image, and the rest (tail) parts of...

Low frequency oscillation has been a serious threat to security and stability of power grid, and how to locate the disturbance source accurately is an important issue to suppress low frequency oscillation. The existing location method has poor adaptability to oscillation with time-varying steady points...

This paper proposes a scheme for resource allocation of taxi. Using SOM neural network divides the area into several areas, and calculating taxi transfer number for each area by using a method of dynamic subsidy and GA-PSO algorithm. Before and after comparing with the scheme of the taxi demand matching...

First, I establish the L-WSCI model to compare water resource. There are 5 differentfeasible and efficient intervention plans: Water Project——south-to-north water diversion, desalination of sea water, recycled water treatment technologies,technology of drop Irrigation and urban greenbelt. We take all...

Aiming at photoelectric current transformer technology, this paper analyses the principle of passive and active transformer firstly, then discusses the main technical difficulties in this area currently and the development of optical current transformer. We hope all above can play a reference role for...

Al2O3 ceramic has the advantages of high mechanical strength, high temperature resistance, oxidation resistance, high hardness, chemical resistance and so on, due to its brittleness,that has restricted the more wilder application. This paper introduces the research state of Al2O3 ceramic toughening,...

A distributed hybrid renewable energy system for a household is studied and evaluated based on the data of electrical consumption and renewable energy resources. The hybrid system is comprised of a wind turbine, PV arrays, a biodiesel generator, batteries and converters. The aim of this study is to design...

The whole wave band CCD system is widely used for examining purple outside , visible light , infrared picture high-resolution show and professional pattern process equipment in real time. It can visible light picture turn visible light picture into in real time , can realize faint collection and high-quality...

Vocational High School (SMK) aims to produce graduates who are competent and ready to work. The competence of SMK graduates must be in accordance with the needs of the Business World / Industrial World (DU / DI). The industry’s need for manpower is not only based on hard skills and soft skills, but also...

The demand for efficient DC-DC converters capable of providing significant voltage step-up with minimal losses is critical in numerous applications, such as portable devices, electric automobiles and energy-efficient systems. Among the various boost converter topologies, the Boost Converter is widely...

Pollution of wastewater from the fuel and energy complex, petrochemical and metallurgical industries with heavy metals is one of the urgent environmental problems of modern industry. Arsenic, copper zinc, etc. its ions are highly toxic, accumulate in bottom sediments and disrupt biosphere processes....

Based on mechanical analysis of main beam structure in track hanging, the design optimization problem of weight of the girder structure was transformed into solution of optimal parameters values under mechanical constraints optimal parameters. Adopting structure geometry value as input parameters, structural...

In this paper, a specific florescence detection system for florescence isothiocyanate (FITC) was developed which could be controlled by the intelligent mobile phone through Bluetooth. FITC is a popular fluorescent dye in biological application. According to its fluorescent characteristic, the light emitting...

First,we analyze the effects of the bubble and human action on the model.Finally, we discuss the change of water temperature and plan when room temperatures changes.We take the water as surface layer and inner layer.There is static air storing in bubble.According to formula of thermal resistance of air...

Greedy algorithm is a common-used method to solve many different types of problems. Researches were done a lot that use greedy algorithm to solve classical transportation problems. This paper discussed how to apply greedy algorithm in transportation problems with warehouses location. The main idea of...

In this paper, in order to improve the thinking ability and get faster and better innovative ways in designing procedure, functional surface ,assembly relation and the knowledge representation method for instance is chosen as the emphasis of this paper .By studying the relationship between functional...

In this paper, we discuss the phase change flow of network and the change law of the network performance under different traffic input rates. Based on the stability conditions of the nodes and the system, the approximate expressions of the phase change flow of the network traffic are given. We also derive...

This paper presents an embedded terminal design based on ARM11 to implement multimedia information sharing and relay transmission between wireless terminal devices. Multimedia collection and wireless transmission to each other are easy to be realized based on an embedded board combined with a CMOS camera...

In this paper, based on the chemo-thermo-poroelasticity model of saturated porous medium undergoing the local thermal non-equilibrium (LTNE) conditions, the pore pressure and chemo-thermal stresses around a spherical cavity in an infinite fluid saturated porous medium subjected to sudden variations for...

In this paper, a new variable step size LMS algorithm based on cosine function is proposed. The weak signal is difficult to extract, so we constructed a new relationship between the step size and the error signal, which depend on the mathematical transformation of the cosine function, and also analyzed...

This paper introduces an adaptive merging method between point clouds from optical scanning system. The point clouds will be wrapped in the form of triangulated mesh. One is used as feature data, and the other point cloud as target data. Then the special mesh region that needs to be updated is automatic...

LUCC (land use and land cover change) has become one of the hotspots in global change research. Through literature induction, there are some differents between Chinese and foreign scholars in research direction and technical methods. Chinese scholars focus on researching changing laws, driving forces...

Safety is crucial in the shipping industry, however in the current export container activity there are many factors that can cause an accident. To prevent an accident, regulation play an important role. With regulation, safety can be implemented to decrease the risk. Therefore, IMO has amended the SOLAS's...

This study aims to develop an accurate and reliable model of greenhouse climate conditions. This research focuses on analyzing the complex interactions between temperature, humidity, light intensity, and airflow patterns in a greenhouse environment. Historical data analysis is used to create the model....

The simulation of hastelloy-c276 tube stagger spinning process was carried out by the finite element software of simufact to reveal the reason of defects of the tube. The magnitudeand variation rule of uplift and diameter extension defects were analyzed under different technical parameters. Experiments...

A microbial fuel cell (MFC)-based biosensor can be used to detect the water toxicity. In this study, the solitary and joint biotoxicities of heavy metal ions (Cu2+, Ni2+, Cd2+) and acephate were investigated using single-chamber MFC. The results showed that all the contaminants could individually inhibit...

This paper aims at designing a set of FPGA based phonetic intelligent home system, wherein this system completely adopts wireless communication technology to avoid rewiring problem and can control home appliances through voice recognition and infrared sensor, thus to phonetically turn on or turn off...

DMA is often used to transfer data between different kinds of memory-mapped slave endpoints. It is a common peripheral component for DSP. In order to make full use of the time during the reading and writing, this paper proposed an intelligent DMA. Compared with the traditional DMA, a newly designed operational...

Examination achievement management system is an important part of college educational administration system and plays an important role to improve the level of educational management. In view of the problem of the difficulty of software development, this article launches the research on the framework...

Concrete bridge structures are usually exposed to the natural environment. Because of sunshine, wind, precipitation, etc natural environment influence, the concrete structure is changing temperature. With the poor thermal conductive performance of concrete, the upper structure temperature gradient appears...

At first, this paper analyzes the family use combustible gases present situation and the existence risk, then atc89c52 single chip microcomputer based on, using sensor mq-2 gas concentration detection, to collected the gas concentration data as the basis for the control of sound, alarm device, to achieve...

We first get the conditions under which the elliptic system- ui = upi+1, us+1 = u1(i=1,2,…,s) has no positive radially symmetric solutions. Then by using this nonexistence result, we establish blow-up estimates for semilinear reaction-diffusion system uit = ui+upi+1 , us+1 =u1(i=1,2,…,s) with null Dirichlet...

With the rapid development of HVDC technology and the commissioning of the HVDC project in recent years, the HVDC control strategy has also been fully developed; As the particularity of the point-to-net HVDC, the control strategy of weak system at AC sending end HVDC has become a new challenge. On the...

Different with certificate approval on paper, online certificate approval is difficult to record approve information, operate complicated, find out the error location in the certificate and so on, so the applications don't work out well. This paper introduces the certificate approval way with floating...

A self-designed cathodic protection (CP) setup with an externally applied current was developed, using a copper wire ring buried in the soil layer, aligned with the anchor rod axis, as the anode, and the anchor rod as the cathode, connected to a DC power supply to form a current loop, to achieve rust...

When a disaster occurs, it is very difficult for people inside a large building to evacuate safely. We propose a framework of Intelligent Evacuation Guidance System for Large Building (IEGSLB). IEGSLB proposes a new method for the set of evacuation indicators, and fire detection and video surveillance...

To investigate the nitrate leaching risk of three red soils in subtropical China, this study conducted seven different manure treatments, namely, 0 (CK), 50 (F50), 100 (F100), 200 (F200), 400 (F400), 800 (F800), 1600 kg N hm-2 (F1600) with half of local conventional chemical fertilizers (N: 50 kg hm-2,...

As a unique visual form, optical illusion can play a stunning effect in a wide range of applications, such as home design, architectural design and graphic design. The previous theoretical researches on the optical illusion are productive, and the master of art and design even makes best use of visual...

Wind power prediction is important for the power system with plenty of wind power. This paper studies the method combined with empirical mode decomposition and extreme learning machine for short-term wind power prediction. The empirical mode decomposition method is utilized to decompose the signal of...

The advancement of electricity market reform and the outline of "Social Credit System Construction Plan" of the State Council all require the power industry to pay close attention to the construction of the electricity market credit system. In addition to the credit rating and credit regulation of power...

Stochastic medium model belongs to in-continuous medium theory. Open-pit slope and the slope are important excavation project that human utilize nature. In this paper, stochastic medium model was used in the foundation pit engineering ground surface movements. The adjacent ground surface movement and...

It is an important way to research the IC engine combustion process by calculating the heat release rate from the cylinder pressure. Basing on the NI PXI-8196 embedded platform system, the PXI-6229 multi-function data acquisition card is put into use to realize cylinder pressure curve point sampling,...

Sprouts being explants, the factors affecting in vitro culture and plant regeneration of L. edulis were optimized by orthogonal design and tissue cultured seedlings were obtained on culture media with different concentrations of hormones. The results showed that the optimum compositions for primary culture,...

In order to achieve the gradient metal high chromium cast iron which can fill the 3D network structure SiC porous ceramics, it was necessary to design cast iron materials with different performance by adjusting the experimental parameters. The cast iron material was fabricated by the molten casting method....

Air traffic control is also named flight control and it is the general term of supervision control and mandatory management implemented by relevant departments according to flight rules issued by the country for aircrafts flying in the sky. The main purpose is to maintain flight order and prevent collision...

This paper discusses the design of computer vision and odometer integrated autonomous navigation algorithm based on RatSLAM system for land vehicles. The research aims at testing the effectiveness of a vision/odometer bio-inspired navigation approach for land vehicle applications. Images and odometer...

For it is hard to develop experiments for the gun breechblock system, a shock test bed is designed for it. During designing, the breechblock operating force is one of the key test parameters of the shock test bed for gun breechblock system. In order to choose a reasonable value to open breechblock, influence...

Currently, the greenhouse effect is becoming increasingly serious, and biological carbon-fixation, especially microbial biological carbon-fixation, can play a unique role in curbing the greenhouse effect．CO2 and N2 are the major greenhouse gases. In this study, a facultative CO2 and N2 fixing bacterium...

Dairy goat farming is one of the promising areas of animal farming. Modern milk production necessitates not only certain technical solutions in production arrangement, but primarity high yield animals adapted to industrial production. Saanen is one of the most fitting breeds for milk production. This...

It is indispensable to scientifically predict the consumption of air material spare parts and to make scientific decisions on aviation equipment maintenance resources and make full use of existing resources to improve maintenance capability. In the process of aviation equipment maintenance and support,...

A kind of disturbance observer method was adopted in backstepping controller design of pitch channel missile control system. Not only the outer disturbance but also the inner uncertainties of missile model can be estimated by two disturbance observer. Also the stability of the whole system was proved...

The application of machine vision in autonomous vehicles has become a focal point of innovation, integrating advanced sensors and sophisticated image processing algorithms to redefine driving safety and comfort. High-definition cameras, 3D LiDAR, high-precision radars, and ultrasonic detectors are at...

Ship weather routing is used to obtain a shortest time path or most economical path considering weather condition. Many approaches have been studied to solve ship-routing problem, and Dijkstra algorithm is quite practical among them. A modified Dijkstra algorithm using structure matrix and single linked...

In the new era, the channel that people obtain scientific information has undergone major changes. The traditional working mode of editors of sci-tech journals can not meet the developing needs of the new situation. To improve the efficiency of sci-tech journals editing and publishing, shorten the publishing...

The vibration analysis model of slab mill is established in this paper according with the multi-body dynamics theory. The relationship between the vibration displacement and time of the support roller in different conditions is obtained through simulation analysis. Under different damping conditions,...

Nickel oxide/nitrogen-doped carbon nanotubes catalysts for the (ORR) were fabricated using a simple chemical plating method. Scanning electron microscopy (SEM) and Energy dispersive spectrometer (EDS) was used to characterize its structure. Electrochemical method studies show that the nickel oxide/nitrogen-doped...

Considering the shortage of water resources in Henan Province ,we draw up an intervention program to mitigate water scarcity. The model described in this article is established for researches of transporting water from the Danjiangkou reservoir to Henan Province. The water movement reduces the uneven...

This report builds a s-type curve model which defines the change of per capita water consumption following the change of GDP, and it defines the rate of per capita satisfaction of using water which is considered as the index to judge the ability of the region to provide clean water to meet the needs...