Advances in Engineering Research

Bacterial infection is one of the most common problems after orthopedic implant surgery. If not prevented, bacterial infection can result in serious and life threatening conditions such as osteomyelitis. Thus, in order to reduce chances of such serious complication, patients are often subjected to antibiotic...

A design scheme of satellite telemetry based on PUS was introduced. Five types of packet were classified and the downloading strategy was elaborated to make full of the downlink resource under limited downlink channel. The application of it shows the feasibility and efficiency of it in satellite development.

Product design is very important in the process of product development. The traditional process is to carry out experiments and evaluation by the physical prototype, and the development cycle is longer. Virtual reality equipment can avoid these processes, and then simulate the process of product design...

This study is a factory waste paper pulping wastewater of Shandong Zibo as treatment object, with ozone generator homemade ozone water, hydrogen peroxide, activated carbon, aluminum sulfate, polyacrylamide, manganese dioxide co-processing, combined with flocculation and sedimentation, adsorption, filtration,...

In requirements of the credit management system, the experimental resources were integrated by School of materials science and engineering, Shandong Jianzhu University, the opening experimental teaching system was established, and the experiment technical skills of students were improved. The influence...

An approach for fabricating specimens with composite coatings of Co60 and TiCN (titanium carbonitride) via selective laser cladding (SLD) is presented. The focus aims at adding (0%wt., 10%wt., 20%wt., 30%wt., 40%wt., and 50%wt.)TiCN at gradual mass fraction in Co60 powder as mixed cladding composite...

The topic of this article is very relevant, since the issue, concerning the level of environmental pollution by harmful emissions arose recently. The purpose of the article is to assess the situation from the point of view of the energy economy in the Chechen Republic. The task is to analyze of various...

In order to solve the constrained multi-objective optimization problem, an improved NSGA-II algorithm is proposed. On the basis of NSGA, the cross operation of the feasible and unfeasible solution is implemented in order to give full play to the role of the infeasible solution in the optimization process....

The paper identifies the main criteria defining the competitiveness of milk producers in the market. They incude the level of marketability, selling price, cost, profitability, and quality of milk. The differentiation of southern areas of Tyumen region from the perspective of milk production competitiveness...

The use of fly ash from power plants as a component of paving asphalt concrete has been studied by many scientists for over 100 years. However, there are conflicting data of their effect on properties of composites. The reason for this may be insufficient understanding of the role of fly ash composition,...

The conditions of natural gas hydrates formation were studied experimentally. The composition of natural gas was determined chromatographically. The equilibrium points of the natural gas hydrate on the P-T diagram are determined. It was found that the point of natural gas hydrate formation is always...

Seasonal variations in sensible heat flux (Hs), latent heat flux (LE), and carbon dioxide flux (Fc) during 2005 over an artificial rice wetland in the Liaohe Delta, Northeast China, were investigated using the eddy covariance (EC) technique. The results show that Hs is relatively larger (>200 W m–2)...

Design scheme of comprehensive testing device is given to test the performance of on-grid operation and off-grid operation of micro source inverter in micro-grid. In order to realize zero steady-state error tracking of analog signal, parallel composite control strategy of PI and repetitive control is...

Recently, many methods based on deep neural networks have been developed for object recognition, which dominate various performance competitions on public datasets such as ImageNet and Pascal VOC. Existing methods suffer from high computational complexity and/or insufficient recognition accuracy for...

Fast Fourier Transform (FFT) and its inverse transform (IFFT) are commonly used tools for digital signal processing. They are widely used in various communication systems, especially the communication system based on orthogonal frequency division multiplexing (OFDM) technology. Reducing the cost of multiplier...

Because of the tight coupling between the traditional network control layer and the data layer, the path allocation algorithm has poor globality and lack of real-time, and distribution of network traffic is unbalanced, which leads to network congestion. To solve the problem, according to the advantages...

Becoming one of leading sectors in supporting national economic, especially low middle people, agriculture has multi-function in regional development. This study aims to analyze the carrying capacity of agriculture sector based on commodities’ production in Kulonprogo Regency. Those commodities come...

This study aims at: 1). Identifying competencies condition of education staff in the Graduate Program in the University of Jambi; 2). Analysing the factors that affect the competence of teaching staff in the Jambi University Postgraduate Program. This study used primary data with descriptive and quantitative...

The Cileunyi-Sumedang-Dawuan Toll Road (Cisumdawu) is located in West Java, that connecting Bandung, Sumedang, and Majalengka. There are many bridges in the Cisumdawu Toll Road construction project, including the Cipeles Bridge, which is crossed by the river below. The river under the Cipeles Bridge...

Brain tumors are seen as formidable diseases that drastically reduce life expectancy. Patients who receive misdiagnoses or inadequate treatment for these tumors have a lower likelihood of survival. Magnetic resonance imaging (MRI) is often utilized for the analysis of tumors. However, the large volume...

Perumdam Tirta Daroy, the primary water utility in Banda Aceh as the main provider of clean water, faces challenges in ensuring aduquate raw water supply due to structural damage to Krueng Aceh Rubber Dam, which reduce storage capacity and affected service reability. This study evaluates raw water availability...

The electrical energy requirement is rapidly increasing while conventional energy sources face depletion, necessitating a shift toward renewable alternatives. In tropical countries such as India, photo-voltaic (PV) arrays represent a widely available and non-depleting energy source. However, PV cells...

In the popularity of electric vehicles, dynamic wireless charging technology is an important technology to break the mileage anxiety and realize “charging while running”. Some researchers have found the possibility of transferring the robust control system to the dynamic wireless charging technology....

Gastric cancer remains a significant global health burden due to its high mortality and therapeutic challenges, including marked tumor heterogeneity and a complex tumor microenvironment (TME). Within the TME, tumor-associated neutrophils (TANs) are highly plastic, exhibiting either pro- or anti-tumor...

In this paper, complete Virtual Radio Control System software bus, mainly multi-machine data exchange between modules of this key technology. Environmental monitoring and control for distributed systems, data exchange based on CORBA technology between multiple machine function modules.

More than 80 percentages of high-speed sealed angular-contact ball bearings are lubricated by grease. The grease filling amount has a great influence on bearing performance and service life. The static space ratio s and movement space ratio d were analyzed and calculated in this paper. Bearing temperature...

In this paper, a newly reported four-wing fractional-order Qi system is discussed and analyzed. Its dynamic characteristic is observed through investigating the Lyapunov exponent diagrams, bifurcation diagrams, and phase orbits diagrams when the order is as low as 2.7. Then, based on the four-wing fractional-order...

Main catalytic systems for nitrogen oxides removal from flue gases of thermal power plants by the method of selective catalytic reduction (SCR) with ammonia are reviewed. Mechanisms of the process and catalysts preparation methods are examined; analysis of commercial catalytic systems is performed. Novel...

Cancer has always been possessing the highest mortality rate among major diseases, therefore, it is necessary and revolutionary for the research of the prevention of cancer. World Health Organization tells us that at least 30% of cancer is preventable and can be found in advance, so how to detect the...

Aiming at the problems existing in Multi Agent Q learning algorithm in micro-grid control systems, this article put forward a Q-learning algorithm of Multi-agent in Micro-grid control system based on probability. This algorithm introduces the theory of probability into greedy strategy, so that the optimal...

The damped vibration method is a method for detecting the grouting compaction of sleeves with embedded damping vibration sensors. The damping vibration sensor should be inserted into the grouting outlet as deep as possible before grouting, and testing can begin in 5~10 minutes after finishing grouting....

Numerical manifold method is a numerical method that widely used in rock mass engineering, its core technology is finite cover of manifold analysis. The manifold element of the numerical manifold method is formed through the finite cover. In this paper the adaptive analysis method based on the manifold...

This paper investigates the relationship between food industry and food security. With data obtained from China Statistical Yearbook and Chinese Rural Statistical Yearbook, we use panel data covering over a decade to construct an index system for estimating the food security of China and demonstrate...

Saliency detectionhas been widely studied in computer vision. In this paper we propose a two-steps method combining contrast assumption and ranking technology to detect saliency region. Firstly, We use the traditional contrast assumption to find foregroundcues. Then we rank the nodes with labeled contrast...

Sorghum of the family Peaceae [Sorghum bicolor (L) Moench] is an important crop grown worldwide. Sorghum head smut [Sporisorium reilianum Kühn Langdon & Fullerton] is one of major diseases in sorghum production. That are reviewed from the following several aspects of the problem such as the incidence,...

The main purpose of this system is to use solar energy to desalinate seawater and brackish water, to make efficiently use of solar energy and produce a certain amount of fresh water. The system includes collector with automatic optical tracker, generator, water tank, coil heat exchanger, telescopic inlet...

This paper studies in a parallel way the urban spatial form and wind environment by interdisciplinary, multi-dimensional and various comparative analysis based on advanced theories in the process of on-site collection of test data, computer-based simulation processing and laboratory verification using...

Long-distance buried pipeline crossing fault is prone to being cracked, fractured and buckling failure, so the implementation of pipeline security monitoring and early warning can not only after the earthquake quick report, but provide basis for assessing the safe operation condition of the pipeline...

Urban city plays important roles in the development of urban China. It is of highly strategic significance to evaluate the urban sustainable development level. In this paper, an assessment indicator system was designed composing of 4 first-level indicators and 20 second-level indicators. The entropy...

The emergence of the smart grid has put a higher management requirement of the current electric power communication network. In response to it, people must gradually realize intelligentization and upgrade of the communication management system, apart from increasing its efficiency. Geographic Information...

In order to calculate stray losses and predict temperature distribution as accurately as possible in power transformer tank walls and other mental constructive parts, an analysis method of the electromagnetic-thermal coupling is presented. TEAM Problem 21 (P21-B, P21a-2, P21c-M1) are adopted to verify...

Under plane wave conditions, the ultrasonic pressure could be derived by the detected displacement with a stabilized homodyne interferometer, and then compare with the voltage output of the hydrophone, it could calibrate the hydrophone. Generally, what is noteworthy is that the disfigurement of the homodyne...

Short electric arc machining is a new type of non-contact strong current machining, it has the charactristics of no cutting force, simple electrode manufacturing, high processing efficiency, etc. In order to study the machining properties of Ni-base high-temperature alloy materials,the mechanical machining...

Based on the embedded computing platform, we propose a visual inertial fusion SLAM system. The software algorithm combines the matching of monocular visual feature recognition and IMU measurement pre-integration algorithms. And the back-end uses tightly-integrated nonlinear optimization algorithms to...

Nowadays, with the rapid development of Internet technology and application mode, the scale of Internet data is growing geometrically, and a large number of valuable knowledge are also in it. How to organize and express these knowledge and carry out in-depth calculation and analysis have aroused widespread...

In the aircraft industry to obtain the necessary form of long panels and sheaths the shot peen forming is successfully used. Due to impact of shot on the processed surface, the specific microgeometry is formed, the characteristic feature of this microgeometry are the numerous dimples of shot with different...

The harmful substance in food and drink often brings the harm of different degrees to people's health. The lack of effective substance in health food cannot meet the needs of people's supplementary nutrients. Therefore, it is very important to detect the amount of harmful substance in common food and...

This paper proposes a voltage compensator (VC) for a grid-connected photovoltaic generation system to compensate shadowing phenomena. The solar cell array in this paper is composed of several strings using the same maximum power point. The proposed VC is an isolated DC-DC power converter which supplies...

In order to keep the temperature close to the initial temperature and save more water ,we use the average temperature of the water in the bathtub as a constant temperature of the bath water ,and obtained the relationship between the flow rate of water and the average temperature of water in the bathtub....

According to the workload requirements of multi-legged robots, the standing posture of hexapod bionic robot based on static analysis is proposed in this paper, which aims to reduce the energy consumption. We chose the picnic insects with low speed as the bionic prototype and build the robot model, Through...

First, the CSMA/CA mechanism is modeled. Then, based on markov chain theory, the attack method of CSMA/CA is analyzed from two aspects of stochastic performance model and bandwidth sharing model. After discussing the typical attack methods, through the throughput, communication efficiency and collision...

Researchers designed and implementation of thermal body measurement system for Unesa residents when they entered the building. The system design is made using engineering methods. Before body temperature is measured, the object will occupy a position at a predetermined point. At that point installed...

As we know, proven oil reserves in the world have decreased, as well as in Indonesia. Currently, proven oil reserves in Indonesia is about 2.483,97 MMSTB in 2019. Assuming a constant production without the discovery of new reserves, then in the next 10 to 11 years Indonesia will not be able to produce...

PT XYZ is a manufacturing company that produces packaged plastic bottles. Every month the company produces millions of packaged plastic bottles with various shapes and colors. The problem that still occurs today is the ineffectiveness of engine performance. This company has implemented Overall Equipment...

Innovations in food have contributed to the development of various types of beverages by increasing their added value. One of the beverage innovations that not only increases added value but also has benefits for good health is a healthy drink from pedada fruit. Pedada (Sonneratia caseolaris) is a fruit...

In view of the low efficiency of inspection and pricing caused by frequent design changes and cross-disciplinary information fragmentation in long and long trunk railway projects such as Ganqing section of Lanzhou-Xinjiang high-speed railway, Aiming at the demand priority decision-making problem of BIM...

With the development of electronic products, integrated circuits have become the focus of research in related fields. In this paper, a 4-bit absolute value detector with low delay and low energy consumption is designed, which is composed of adder, MUX and comparator. When the circuit is working, MUX...

This paper explores the implementation of safety culture in maritime education through the introduction of life simulation aboard ships, as practiced at Politeknik Ilmu Pelayaran. The initiative addresses the significant contribution of human error to maritime accidents, advocating for an innovative...

Urban flooding is a natural disaster that affects a significant portion of the world’s population most frequently. Due to uncontrolled urbanization and climate change, severe floods are becoming more frequent in urban areas, and this trend is expected to continue in the upcoming years. Although preventing...

Traditional coffee roasting is still done using traditional tools, usually of clay or steel pan and stirrer, as well as a stove and firewood, before roasting, the wet process is carried out for the coffee cherries. National coffee bean production which 600,000 tons per year, only 20% can be processed...

With the further deepening of China's economic development, further improve the market mechanism, the operation of enterprises and more specifications. From the current business operations, the overall market is in line with the requirements of the development, the management also has a corresponding...

In this paper, we present an application of spectral subtraction (SS) algorithm in speech enhancement system to extract the pure speech signal as far as possible. In contrast to the existing research, the proposed algorithm improves the voice quality, which reduces speech distortion, eliminates background...

This paper analyzed the relationship between altitude and soil factors in dry - hot valley, based on gray relational grade analysis method for quantitative analysis, and Cluster analysis of the associated degree. The results showed that: altitude most closely with the available nitrogen, followed by...

This study considers an optimization problem of intermodal transportation route selection that takes carbon emissions and intermodal transfers into account. An integer linear programming model is built to formulate the problem. The activity-based approach is adopted to estimate the carbon emissions....

This paper which is based on the development of intelligent test platform and embedded processor technology, discuss configurable intelligent interface design method according to different interfaces of different test devices or even a same device, propose an intelligent interface design method based...

Based on the numerical simulation method, a research on the optimal design of cutting and excavation control was conducted for Zhonglou Mountain Landslide in North Shaanxi, China. Three excavation slope angles, namely, 53ø, 54ø and 55ø, were chosen for numerical simulation calculation and comparative...

The paper considers the solution of the photogrammetric problem of measuring the planar objects dimensions with projective distortions that are characteristic for low-altitude photography. It is shown that a bird's eye view transformation technique allows estimating the area occupied by planar objects...

With the development of the industry, the requirement of CNC lathe increase very much. To design a lathe, it needs analysis and calculation of the major components, and dynamic performance of the lathe spindle is very important for the performance and accuracy of the lathe. First, modeling of spindle...

This study from the essence of school physical education do the cultural interpretation, in order to display relationships of sports, human and culture, and put forward with cultural connotation, making sports as a kind of human’s practice. From the perspective of culture, the essence of school physical...

Polymer flooding has already been the preferred development mode for the efficient development in offshore, aim at the conditions of the reservoirs in offshore, this paper has used two-dimensional physical model to conduct three tube parallel experiments to study the displacement efficiency of water...

We propose a spatial-multiplexed dual-view one-dimensional integral imaging (DV1DII) three-dimensional (3D) display which presents different 3D images in the left and right viewing directions simultaneously. The DV1DII 3D display consists of a display panel, a parallax barrier and two polarizer parallax...

PAHs are widespread environmental pollutants, which originate mostly from incomplete combustion of fossil fuels and organic materials. Due to their well-known carcinogenic and mutagenic properties in humans, PAHs are a concern to more and more people. This review serves as a database to analyse the major...

The ultimate strength of hull structure becomes more and more important in the whole life cycle. Many ways of assessment are developed in the design stage and the calculation accuracy can meet the need of safety. However, all methods of assessment are based on one-time collapse. This certain method is...

Block Su 75 of Sulige gas field belongs to low permeability, low pressure, and low abundance gas reservoir and the number of the wells producing water has been arising year by year, which means the problem which is called as liquid loading has become the main factor influencing the gas well deliverability....

Analysis of tunnels and underground excavations requires a realistic prediction of strength and deformation characteristics of rockmass. The strength characteristics of rockmass must be determined by laboratory testing such as triaxial test but generally, classification approach is used to predict the...

Duo to occurrence missing frequently of the elder, it is designing a tracking system with the software design tools to show the system function, it will be real time rendering the elder tracking in a dynamic map, and set up a virtual area for the elder with the geo-fencing technology, and dynamic map...

Due to the coming of knowledge economy, the lifelong learning becomes necessary for the college students. Currently, the college English education still stays in the traditional teaching mode. This mode does not pay much attention to the cultivation of English reading comprehension ability. The college...

In this study, a simple photochemical method for preparation of Ag/SnO2 composites is presented. Ag nanoparticles were grown on the surface of SnO2 particles in situ by UV light induced photoreduction of silver nitrate. Scanning electron microscopy (SEM), energy dispersive spectrometry (EDS) and X-ray...

We numerically investigate the effects of coupling delays on the synchronization dynamics of two coupled chaotic light-emitting diodes (LEDs) with ac-coupled nonlinear optoelectronic feedback. With zero-lag or very small time-delay coupling, as the coupling strength increases, the coupled system exhibits...

The growing substitution patterns of soybeans into horticultural crops in Southern Banyuwangi caused the soy food stocks to decrease. This condition is possible to threaten the pillars of sustainable agriculture. This study was conducted to investigate any socio-economic factors that affect the farming...

Karimunjawa archipelago is a tourist destination, has 27 islands and 4 of them are inhabited (coastal communities). Karimunjawa coastal communities can provide marine tourism transportation services as an additional income in addition to their main duties as fishermen. They can be used 3 kinds of marine...

In order to find meaningful data for human beings in a large number of biological information and then reveal the nature of life, this paper focuses on analyzing the characteristics of the hydrophobicity of amino acids and adjacent information, using sequential pattern mining Apriori All algorithm to...

Focusing on the security issues of current group activities, strengthening the prevention of group incidents is the focus of current thinking. Combined with the above requirements, crowd abnormality recognition algorithms have begun to enter people's field of vision and are valued. In this regard, this...

The wisdom of public security is an important part of the wisdom of the city, to mobilize the masses to patrol and control is the key of public security. In order to solve the difficult issue of people-management, need to promote the management technology of information by using the methods of science...

Based on the strength reduction method, the deformation process of subway foundation pit was predicted, and the stability parameters were analyzed. The analysis parameters contain the settlement displacement of soil, lateral displacement of the underground continuous wall, and safety factor. It is to...

Optimal performance and high productivity of human resources are significant aspects that a company wants to achieve continuously. PT. Bali Bangunan Konstruksi is a construction services industry engaged in the implementation of Villa buildings. One of the obstacles experienced is illness and accidents...

With the arrival of digital era as well as networked era, it is inevitable for medical field to realize digitization and network. Nowadays medical imaging has been in widespread use. However, the increasing number of im-ages and their large-size character put much pressure on the storage space. What's...

The damage behaviour of a type of layer-to-layer interlock 3D woven composite loaded under quasi-static uniaxial tension is studied in this paper. Based on the experimental result obtained, it can be concluded that the development of inter-yarn cracks between warp yarns and the development of through-the-thickness...

The paper focuses on insulation and stress of TBCs on a multilayer-coated blade considering ununiform temperature field. First the ununiform temperature field of TBCs was conducted by thermal-flow couple method. Then the thermal cycle residual stresses were modeled by holding the uniform temperature...

To solve the actual production problem that micro drill easily prone to break during micro drilling process, the process for drilling micro hole of 0.08 mm on the 316L stainless steel was conducted and the main factors are analyzed, which demonstrate that the excessive torque is the main reason for breaking...

In recent years, highway congestion is becoming our concerned topic, and the toll-speed congestion problems are most important cause of the congestion and the biggest obstacle to the promotion of the quality of highway service. In this regard, we propose a payment technology with non-stopping toll system...

In this paper, a delay for the guided artillery shells in response to the instruction control mechanism designed to compensate autopilot elastomer damping. For the cross-coupling effects generated periodically roll pitch and yaw between channels, combined with PI controller design decoupling control...

At first, this article summarizes several methods of the current multi-robot formation control and introduces the basic idea of formation control algorithm based on leader-follower. Then the control algorithm is introduced into switching control process (the forming of the initial formation, maintenance...

Rigid rapier loom uses rigid rapier to grip the shuttle and do the reciprocating movement to realize weft insertion. To grip and release the shuttle, a complicated mechanism is used. But usually the stability of the mechanism is not good and the installation is complex. According to simulation and experiment,...

In order to solve the common problems in digital relay protection test, this paper proposes a digital relay protection test auxiliary analysis function. This function is mainly used to analyze the abnormal situation that occurred during digital relay protection test, and reduce the processing time of...

The Ultra-Wideband antenna can effectively improve the system performance, such as range resolution, anti-jamming performance and complex target recognition. It is very important to study the UWB antenna. In this paper, the UWB antenna is discussed and studied, and the influence of antenna size miniaturization...

Aqueduct is a kind of cross bridge building which can cross the channel, depressions, roads and railways .In the paper, based on the aqueduct design, aqueduct model making, aqueduct structure calculation and static load experiment, the aqueduct model is made to solve the problem of analysis of the internal...

This article takes Tangshan Urban Wetland Park as an example, conducts the research to the Urban Wetland Park revetment vegetation layout mode, the study is carried out from two aspects, one is the plane layout of the vegetation, the other is a vertical layout of vegetation, this study summarizes the measures and...

with the development of the internationalization process rapidly, the barriers to international business exchanges have become increasingly prominent. The QTranslate secondary platform for business exchange in real-time business English system has been applied in remote online communication. The tests...

Due to the intensive construction of high-rise buildings, population concentration, in the face of disaster increasingly vulnerable, while the community as the city's most basic disaster prevention unit, community security largely affects the safety of the whole city. However, our country city existing...