Advances in Engineering Research

In this paper a new diagnostic method utilizing the voltage across the output-filter inductor as diagnostic criterion is presented for the voltage-source inverters. This voltage can be easily obtained by adding a winding across the inductor, thus the sensor is needless and the diagnostic system is naturally...

The use of narrow-cut vane rotary work tools for the formation of furrows and grass seeds sowing in the sod layer promotes protection from water erosion when slope tillage. Methods to form an irregular curve blade working surface are proposed. It is a sector of the closed helical surface of constant...

Recycled as-cast magnesium alloys were prepared by smelting method according to the nominal composition of AZ31 magnesium alloys. The structure and electrochemical properties of the recycled alloys were characterized and compared to those of the commercial as-cast AZ31 magnesium alloys. X-ray diffractometry...

To realize China´s Intended Nationally Determined Contribution on Climate Change for post-2020 period, we should implement a plan for renewable energy development. How to choose a development order for different kinds of renewable energy, such as hydro power, solar power, and wind power This paper simulates...

Stiffness and damping properties of the magnetic bearings are mainly determined bythe parameters of system controller, both of which are the function of rotor frequency. In the system of magneticsuspensionflywheel (MSFW), the rotor applied has a large moment of inertia ratio, resulting in a strong gyroscopic...

Based on the substation temperature and humidity data monitoring, substation equipment to achieve condensing surface generates conduct real-time monitoring of substation equipment and thus controsl the generation of condensation surface. The substation of the dew real-time monitoring data acquisition...

The fibrous beam element and common node method in ABAQUS software were used to set up a finite element model of PHC pipe piles , and the seismic performance of the PHC pipe piles were studied. UCONCRETE01 constitutive model and USTEEL02 constitutive model were respectively used for the concrete and...

In order to solve the problem of leakage detection in the case of complex conditions and limited training samples, a multivariate classification recognition model was built by using Decision Tree and Support Vector Machine, which has advantages of rapid speed and high efficiency in classification and...

The hybrid TLPD-ALB scheduling algorithm is a commonly used approach in cloud computing, but it fails to meet the multi-objective requirements for effective load balancing. Although its primary aim is to distribute tasks among available resources and minimize relative imbalance, it is insufficient to...

Pemapak hot spring tourist attraction located in Biatan Bapinang village is the only natural hot spring tourist attraction in Berau Regency. This tourist destination has great potential as a tourist destination due to its strategic location, the unique taste of salty and hot water, and the presence of...

Handicraft products are made from materials and tools that are around the craftsmen. One of the handicraft products in Indonesia is Doyo weaving. The current increase in sales of Doyo weaving makes it difficult for craftsmen to meet market needs. This is because the process of making Doyo weaving is...

The turbine efficiency is an important factor for reflecting the turbine’s hydraulic performance, which plays an important role in guiding the design, manufacture and economic operation of turbine. In recent years, with the continuous improvement and innovation of sensing technology and modern electronic...

One service offered to students is the provision of scholarships, yet, they often require help in acquiring current information and navigating the intricate application procedure. The development of an online application is necessary to enhance the quality of this service. This web application will offer...

Indonesia as a tropical country is very suitable for the development of various alternative energies, especially solar power (photovoltaic). This development will be followed by the development of DC motor technology and batteries to replace equipment that uses AC electricity and conventional energy...

Plastic waste pollution has been on an upward trajectory since its discovery and causes harm to the environment. This project focuses on the design and fabrication of a machine for converting waste plastic bottles into 3D printing filaments, addressing the growing concern of plastic waste in the African...

The development of electric vehicles (EVs) is one of the main strategies in supporting sustainable and low-emission transportation. However, the EV adoption rate at the local level still faces constraints, especially related to operational costs and charging infrastructure. This study aims to analyze...

This paper introduces the basic concepts of CAF technology and takes its system analysis, system design practice to participate in the development of Image Capture system, as example, demonstrated the CAF technical framework for the application of supply chain systems in a distributed system field of...

The RN wind turbine bearings are difficult to machine as they are large and heavy. Thus the analysis of inner diameter hard grinding process is necessary. In this paper, the parameters related to machining quality were studied based on the grinding principle and experiments, and the optimized machining...

In a distributed system, the storage structure of the data directly affects the storage efficiency and processing performance of big data. In the row storage structure, the data from the local read, loading speed, but the compression efficiency is low and there is data redundancy; in the column storage...

A 3D frequency-domain finite volume method (FVM) solver is developed for scattering from lossy objects embedded in layered media. Based on the Yee staggered grids, the formulation derivation for FVM are presented in this paper. Two numerical examples with a 3D cuboid embedded in a half space and in a...

With the quick pace of the development of cultural diversity, we pay more attention to the excavation of national characteristics. It is particularly urgent to dig deep to artistic feature and culture heritage of the traditional pattern with people aesthetic standards and the orientation of culture conception....

Through the study on technological mineralogy of anshan type lean hematite ore, proved the stope in the southern district of ore minerals in the ore is mainly hematite, limonite, magnetite, hematite, siderite images, accounts for some 40% of the content of rock,the gangue minerals are mainly quartz,...

For Double Fed Induction Generator (DFIG) in islanded system, a design is proposed which adds Energy Storage System (ESS) in the direct current side of the back-to-back converter and changes the capacity of the load side converter. The generator-side converter of the system uses the power decoupling...

The paper studies communication protocol, the structure of the circuit, antenna design of radio frequency identification technology (RFID), and puts forward a scheme based on IOT application: RFID logistics tracking system. Finally, the paper studies the logistics distribution center information management...

The basic method, research status and development of structural damage identification technology based on BP network are reviewed and summarized, and then the advantages and problems of various methods in theory and practical application are discussed. The development trend and research direction of...

As the key material of gas turbines used in elevated temperature, the mechanism of delamination and failure of thermal barrier coatings (TBCs) under service conditions has been the hot spot of research for a long time.The influence of thermal gradient on thermomechanical fatigue (TMF) behavior of TBCs...

The circular bead of aero-engine fan shaft was obliquely shocked by laser shock processing (LSP). After oblique laser shocked, the residual stress and microstructure characteristic of fan shaft were investigated and analyzed. The rotary bending fatigue tests and fracture analysis were also conducted....

It is very important and meaningful to improve college students’ engineering consciousness and project practice ability in engineering graphics teaching, so that excellent engineers, who adapt to the development of economy and society, can be cultivated. Based on the research and analysis situation of...

Need is for diversified material tests and member tests of CFRP tendons to develop NSM (Near Surface Mounted) strengthening using CFRP. To that goal, research should be preliminary conducted on the bond characteristics between the CFRP tendon and the filler. Accordingly, this study performed bond test...

To solve the problem of multI-causes process qualIty dIagnosIs In manufacturIng, an algorIthm based on the bInary tree of qualIty cause set and IntermedIate qualIty IndIces Is proposed. FIrstly, the set of qualIty cause Is dIvIded progressIvely to form a complete bInary tree, and then every node of the...

Absorptive chaff is a light and high-efficiency kind of passive jamming material, which can decline echo amplitude enemy detection that equipment receives largely scattered in the air, thus reducing the probability of being found and tracked by radar equipment. In this paper, the jamming performance...

Railway facilities in the Northern territories of Russia are built and operated in the areas of the cryolithozone and low climatic temperatures. Railway transport in the Republic has been operating since 1979. In 2004, a 360 km long highway to Tommot was built. Passenger and cargo transportation to Tommot...

The article deals with the main peculiarities of phase- and structure formation in the system "cement-basaltic-fiber" with the use of initial and heat treated basaltic fiber. The authors used heat-treated fiber by the authors' method suggested earlier, which provide its recrystallization. As the result,...

With the increase of mining depth, dynamic disaster is more severe, which is a serious threat to the safety of miners. Because of complex mine geological structure, and relatively junior safety facilities, tunnel collapse and other dynamic disasters are easily induced, which brought great difficulty...

A scheme of space self-organizing network based on TDMA (Time Division Multiple Access) is proposed for cooperative requirement in cluster flying micro-nano satellites. Network level, node level and process level models are created based on OPNET. Simulation experiments such as nodes autonomous networking,...

Manageable confidence machine learning is one of the important approaches to implement confidence machine application. This paper is based on two class confidence classifier, adopting two class classifier as tool to convert learning results of classifiers and achieve confidence management through setting...

In this paper, the procession of coal-water slurry technology in domestic and foreign development present situation and progress in the field of energy saving and emission reduction, expounds the developing trend of the technology of coal water slurry in China.

This study aimed to investigate the effect of argument-driven inquiry (ADI) in promoting students’ argumentation skills about colloidal concepts in comparison to inquiry-based learning (IbL) strategy. Factors that affected the students’ skills between the strategies were also identified. Three classes...

The increased consumer demand for the freshness and safety of food products would contribute to providing new technologies, which could function intelligently and could monitor the freshness of packaged foods. Chemical indicators are often used to monitor the freshness of food, but they have toxic properties...

This study takes a pavement engineering project in Southwest China as an example, focusing on the control of calcite content in asphalt concrete construction materials. Through analysis of regional material characteristics, site trial mixing, and paving test results, the research summarizes the impact...

The primary contributor to marine pollution is the sewage generated on board ships. This waste poses significant environmental risks when discharged into the sea without undergoing appropriate treatment processes. Marpol 73/78 mandates the treatment of human waste in accordance with established standard...

This study aimed to compile a research database originating from the Google Scholar dataset using crawling or scraping techniques. The results of the crawl showed that a total of 403 lecturers and researchers at the Sriwijaya State Polytechnic were successfully collected and all 9,511 scientific publications...

The event industry plays a crucial role in supporting tourism, particularly in Bali. As the need for organizing meetings, incentives, conferences, and exhibitions increases, the MICE (Meetings, Incentives, Conventions, and Exhibitions) industry is also growing rapidly. At the event planning stage, selecting...

This research was conducted at a company engaged in the Iot Aquaculture sector with a product in the form of a shrimp smart feeder which was distributed to almost all islands in Indonesia. Based on an assessment made by the company in the product distribution aspect on the island of Sumatra, especially...

In recent decades, fluctuations in temperature, precipitation, and other climatic parameters have significantly influenced vegetation dynamics and land cover patterns across the Mongolian Plateau. This study investigates long-term climate and vegetation changes in selected mining-affected regions, including...

By using the finite element software, the thermal process of TC4 Ti-alloy large die forging two beam is analyzed, the influence of billet initial heating temperature and compressor speed on the distribution of grain and phase is revealed. The research shows that fine and uniform microstructure will be...

According to the characteristics of large scale joint operational equipment support command, the factors of equipment support command decision were analyzed. On the basis of fuzzy processing command and decision factors, the intuitionistic fuzzy sets of each decision factors were established, and the...

As a kind of array antenna, narrow wall slot waveguide antenna can get desired far field pattern, by controlling the depth and inclined angle of every slot. This antenna is a linear polarized antenna with severe cross polarization which can increase sidelobe, and this cross polarization can't be eliminated...

The success of coalbed methane field development is largely determined by the effectiveness of using special gas production stimulation methods. The need of implementing of such methods is driven by features of location and movement of methane in the coal body. The process of hydraulic fracturing as...

To improve fuel efficiency and reduce greenhouse gas emissions, lightweight materials, such as aluminium alloys, are used increasingly in automotive manufacturing. Currently, self-piercing riveting (SPR) is a major technology used by manufacturers to join aluminium body structures due to its advantages...

When metro system encounter unforeseen circumstances leads to the system operating abnormally, passengers travel plan's adjustments need to rely on dynamic guidance information to complete, therefore, metro dynamic guidance information's completion degree have significant influence to network passengers'...

This paper develops a fuzzy clustering method based on the fuzzy t-norm, and uses the data of China securities market to analyze the factors influencing the portfolio selection. Furthermore, this paper estimates an investment portfolio based on fuzzy clustering. The results show that the investor can...

In order to improve the system operating efficiency furthest, the simultaneous optimization of pump start up scheme and pipe network is necessary. Aiming at the multi-source and looped water injection system, the mathematical model for simultaneous optimization is established, in which the operating...

Based on the necessity and feasibility of implementation of Energy Control Center in colleges and universities, taking Beijing Normal University as an example, it introduces the design concept and technical architecture of the Energy Control Center, describes function modules, construction contents and...

This report analyses the current typical non-contact On-Load Tap Changer(OLTC) thyristor products, poses the circumfluent calculating formula, and points out the main problems existed. The paper also introduces the highly-performed and highly-reliable thyristor OLTC technology and products. Compared...

The process of spectrum sensing plays a key part in Cognitive Radio (CR). In this paper, Support Vector Machine(SVM)is applied to spectrum sensing which can judge whether the Primary User (PU) exists or not for its good performance in many fields. Data set including training set and testing set with...

Characteristics of flow field on the flight deck for the frigate ship are complex. In order to find an accurate and worthy method to simulate the ship airwake, isolated simplified frigate ship, SFS2, was calculated by CFD(Computational Fluid Dynamics). The different turbulence models, SKE, MMK and DES,...

The thermal characteristics of In-wheel Motor is one of the key technologies for the motors used in the New Energy Vehicles. In this paper, the thermal simulation model of in-wheel motor used for solar car was established, the thermal characteristics of In-wheel motor were analyzed by building the mass...

A short penetrating distance is a drawback of traditional ultra wideband radar systems. A pulse compression technique has been used in UWB radar systems to increase the penetrating distance. However, this leads to an increase in the blind zone. The paper proposes a new method to address this issue which...

The minimum unit geometric model of signal GEM(Gas Electron Multiplier) detector has been build, and the Maxwell v11 program is used to calculate the electric potential, electric field, potential value of triangular meshes of detector, and the hemitropic faces and electric field intensity vector graphs...

With the deterioration of dust storm in recent years, environmental protection has become a topic for everyone. The most important problem of environmental protection comes from coal combustion which can be improved by combustion optimization. And combustion optimization has been proved to be an effective...

In the recent years, using CO2 injection into oil reservoirs to enhanced oil recovery (CO2-EOR) has attracted more and more attention from industry and laboratory experiment. The mass transfer and diffusion of CO2 in oil is one of the key parameters of displacement process. In this study, by employing...

Along with an upsurge in the construction of eco-industrial parks in China, research on the appraisal system of industrial parks has become a focus of public concern. With low-carbon industrial park as an object of study, this paper proposes a setup procedure and specific construction method for index...

In this paper we explore how we can move from the general concepts to the actual estimates of compensation required by the courts. A series of special techniques has been developed to value the benefits from environmental improvement or, conversely, to value the damage done by environmental degradation....

PT Badak NGL is a Liquified Natural Gas Company based in Bontang KALTIM, in the process of liquefying natural gas using a refrigeration compressor which powered by steam turbine, the steam turbine uses gland seal system to prevent steam leakage to the environment and the air entry to the vacuum system...

With the rapid development of modern society, people's quality of life is developing rapidly. At the same time, people's demand for health care system is also increasing. In recent years, the growing demand for the health system of the people has been far from meeting the needs of the common people....

Aiming at the problem of serious pollution caused by waste film in the process of rain collecting, soil moisture and increasing yield, this paper analyzes and studies the characteristics of the whole film double ditch sowing technology in dry land and puts forward a new type of residual film recovery...

In order to make PV systems more efficient and maximize the output power, this paper proposed a new MPPT algorithm for photovoltaic power generation, which combined PWM control and Newton quadratic interpolation, based on the analysis of the traditional maximum power point tracking (MPPT) control algorithm....

Since the current way of airport security check requires a couple of time to complete. To identify the main points where problems exist in the current process, analyze the performance and parameters of Erlang queuing model, and give its scope of the application in process of airport security check. Then,...

We introduce the sparse binary pattern (SBP),which is a feature extract method combined SRC with LBP.SBP is robust to illumination. In the paper, we put forward improvement in two directions: multi-value pattern and weighted pattern. Drawing lessons Finger Vein and Finger Dorsal Texture on LTP, we propose...

Due to the fact that computational cost of aircraft engine component level model (CLM) is heavy while memory of engine monitoring unit (EMU) is limited, a machine learning algorithm: exponential weighted - sliding window - kernel recursive least squares (EW-SW-KRLS) algorithm is proposed to replace CLM...

According to the main development trends and characteristics of mechatronics and logistics specialty, aiming at the demand of experimental platform of stacker in automated warehouse, the performance analysis and design of stacker's experimental platform was studied and the experimental platform of stacker...

Rangkasbitung Station is a large class station that serves the departure of the Tanah Abang-Rangkasbitung (PP) Electric Rail Train and the Rangkasbitung-Merak (PP) Local Train. At this station, intermodal integration facilities are not yet available to support access that makes it easier for passengers...

Yoga is widely used for improving flexibility, strength, balance, and mental well-being; however, incorrect posture execution can reduce efficacy and increase injury risk. A lightweight, interpretable pose recognition and feedback system is presented that combines MediaPipe Pose landmark extraction with...

This study presents the development of a smart driver drowsiness detection system using Long Short-Term Memory (LSTM) technology based on heart rate monitoring. Traffic accidents are frequently caused by factors such as drowsiness, sleep deprivation, alcohol consumption, or drug use. Among these, microsleep—a...

This study prepared biochar from cow dung pyrolysis. Through a pot experiment, the effects of different combined application ratios (15% biochar + 85% organic fertilizer as Treatment A, 25% biochar + 75% organic fertilizer as Treatment B) on soil physicochemical properties were analyzed. The results...

Tailings are an industrial waste residue. If effectively improved, not only is it beneficial to improve the stability of the tailings dams, but also it can also convert tailings into valuable resources and achieve the resource utilization of waste. This article obtains the strength characteristics of...

Due to the brittleness of hard rock, it is difficult to obtain the failure precursor signal, which endangers the safety of engineering. Therefore, this paper carried out uniaxial compression tests, monitored the compression process with the help of acoustic emission (AE) technology, and analyzed the...

Port container throughput holds considerable importance for port construction planning and operational decision-making management. The problem of container throughput forecasting essentially entails modeling a nonlinear dynamic system driven by multiple variables. To improve the predictive precision...

In the construction of a canal project, how to deal with a huge amount of earthwork is an urgent problem, except for the part of filling areas, the surplus earthwork should be placed at the disposal sites. To minimize the total cost of the project and to protect the environment as much as possible, the...

Water pollution has become a serious problem. Water pollution occurs because wastewater is discharged into water bodies without being managed properly. One of the sources of water pollution is domestic wastewater. Industrial sectors produce domestic wastewater derived from the residue of canteen activities....

Visible light communication is a hot topic of wireless communication area which has drawn more attention to be researched. Dft-s ofdm is a main modulation method used in long term evolution (lte) in wireless communication, which is able to reduce the nonlinear limitation in client amplifier. Modulating...

Enterprise management mode shows brand-new changes with constant deepening of reform and opening up in China and rapid development of market economy. Enterprise management mode has certain particularity itself especially for new high-tech enterprises. It faces many risks and potential risks in the management...

Because of the rapid development of computer, new term about IT is emerging. Such new IT original comes from foreign countries and the technical manuals about how to learn such as new IT and how to use its latest development tools in English. It is one of the most important professional skills of college...

With the rapid development of information technology, more and more research projects, scientific research institutes, how to make scientific research project application and approval of more efficient, has become an urgent problem to be solved. The Web project declaration system based on can speed up...

This paper studies the effects of environmental factors on compressive properties of laminated composites containing a circle hole. compressive tests were conducted on three types of specimens that are exposed to low temperature, room temperature and hygrothermal environment respectively. The tests were...

The microstructure, hydrophobicity and chemical composition of the moth and locust wing surfaces were investigated by a scanning electron microscope (SEM), a video-based contact angle (CA) meter and a Fourier transform infrared spectrometer (FT-IR). The hydrophobicity models were established on the basis...

This article proposes parameter modeling for single screw pump and secondary development platform based on CATIA. First, we establish geometric parameter modeling of screw (rotor) and fixed bushing (stator) in CATIA. Then, a secondary development platform is developed by technology of VB and function...

American literature course also called American Literature History and Anthology is among the important courses of English majors that meant to improve Chinese students’ cross—cultural ability and better their language proficiency. However, the outdated teaching methodology frustrated students’ interest...

This paper has proposed a basic modeling in studying the driving system of the shoe-cover machine, built the multi rigid-body dynamical model and motion equations of this system, and proved the effectiveness and feasibility of R-W method to the special machine. Through ADAMS software, the dynamic simulation...

Aiming at the virtual movement emulation's design scheme of the jumbolter , the jumbolter's digital model is built by the 3D modeling software PRO/E5.0,the research combined the jumbolter with virtual reality technology. Jumbolter simulation virtual environment was simulated by means of 3 dimentional...

Development of hydraulic power energy with low water head is an effective supplementation for the traditional development of hydraulic power energy. How to effectively utilize the hydraulic power energy with low water head in nature is a problem now and the gas-liquid energy conversion efficiency is...

This paper studies the helical gears in the gear box of cold rolling mill in a steel, using software SolidWorks to make one pair of meshing helical gears a solid model, and import the entity model into ADAMS to creat a virtual prototype model, using IMPACT function to define the contact between gears,...

Walking in the current world has become one of the most popular sports items, walking motion easiest, most convenient and most economical, therefore, in the past few decades, in pursuit of a healthy lifestyle, the number of people walking increases every year, more and more people choose to exercise...

In the process of the intelligent network informatization, automation, and intelligent constantly improving, the requirements of power system for the transparency of the demand side are also getting higher and higher. Real-time and accurate load equipment identification for planning, load forecasting...

This study aimed to investigate the content of polyphenols and flavonoids and the antioxidant activities of broccoli. In this study, the content of polyphenols and flavonoids in broccoli were detected by folin-ciocalteu colorimetric method and NaNO2-Al(NO3)3-NaOH colorimetric method. What's more, the...

we proposed a novel approach for software trust analysis, in order to solve the problems in auto testing that, the test process is lack of guidance, further more, with high performance cost. The main idea of this approach is based on taint data tracing by taint tracing started from outside of software...

In this paper, seedling of non-energy-plant Stevia rebaudiana Hemsl in greenhouse is designed as the research subject. After its plant height, fresh weight, root length, leaf number, soil moisture content and other indexes are measured, seedling Stevia is found in germination period, slow growing period...

To study the cargo motion and sway characteristics of tower cranes to find effective methods to suppress the cargo sway and to position the cargo, we modeled the cargo sway, and then analyzed the equilibrium states of the cargo sway. The research results show that the center line of the cargo pendulum...

Large amounts of carbon dioxide (CO2) emissions caused more and more extreme weather. In this study, the maximum reduction of power CO2 emissions is the management objective based on three significant ways in the planning period, which are energy conservation, reduction project and power structure adjustment....