Advances in Engineering Research

A track and hold circuit is introduced, which includes a input buffer, a unit gain amplifier, a sampling switch, a current source, a driving NPN transistor and a over-driven protecting circuit. The over-driven protecting circuit is introduced to prevent the transistor of sampling switch from getting...

The issues of seismic and geodynamic monitoring and constructive seismic safety of the development of rock ore deposits are considered. Some aspects of the interaction of natural and technical systems that ensure the geomechanical balance of ore-hosting massifs are detailed. The possibilities of control...

Planetary gearboxes are mostly used in very hard working situations such as helicopters, wind turbines, heavy trucks, marine vehicle, hybrid cars etc. In order to understand the basic nature of planetary gearbox vibration, this paper includes a vibration and dynamic behavior of single stage planetary...

With the growth of complicate system or crystals, whereas, a few phenomena have occurred and been found, which could result in final crystals or patterns with errors. Among those phenomena, one has still not been processed in current published literatures, which is named symmetry tile may appear. This...

In view of the fact that the research on energy efficiency in data centers has not fully considered the heterogeneity of workload tasks, a data center resource allocation scheme based on task classification is proposed. Through cluster analysis, tasks are classified into subsets of similar resources...

This paper proposes a two-stage fuzzy logic controller for signal timing of an isolated intersection. In the first stage, the main phase is determined in advance, and then the controller determines the secondary phase according to the traffic flow and the queue length. In addition, the membership function...

Nowadays industry development depends on the introduction of state-of-the-art technologies, equipment and new methods of equipment utilization. The issues of energy-saving, productivity increase, reliability, and equipment longevity are especially acute. Revealing regularities and development of mathematical...

This research has been done by testing the adhesive firmness of resorcinol formaldehyde from Johar sawdust extract. This study aims to determine the best adhesive characteristic made of the mixture of Johar sawdust extract with resorcinol and copolymerized with formaldehyde. The composition comparison...

Because of the difference of the standard and the band, a new generation of wireless networks compared with the previous network presents "high bandwidth, small coverage characteristics, the single station coverage ability is relatively weak, in the actual network construction in accordance with the...

Human Resource Development (HR), an activity that must be implemented organization, so that knowledge (skills), ability (ability), and skill (skill) them in accordance with the demands of the work they do. Especially in the field of Services especially transportation, where this section must have more...

Previously, we synthesized saturated ketones and unsaturated alcohols containing a 1,3-dioxane fragment via chemoselective reduction of unsaturated α,β-unsaturated ketones. Molecular docking of the obtained compounds was performed, and primary screening of the synthesized compounds was conducted using...

The self-weight of the concrete slab in high-rise building construction significantly affects the risk of structural failure in earthquake-prone areas as the earthquake force is directly proportional to the mass of the building. To reduce the building mass then the sandwich concrete slab is introduced....

Groundwater in the Sigi region of Central Sulawesi is used to meet the increasing needs of the community. The limited availability of groundwater caused by the earthquake in 2018 resulted in many wells in the area not produce optimally, while the community relies heavily on well water for the needs of...

The Farmer’s Terms of Trade (FTT) plays a vital role in supporting key sectors of the Indonesian economy and contributes significantly to improving household incomes. This study utilizes monthly FTT data from Bali, spanning from January 2017 to June 2021, sourced from the official website of the Central...

Multilevel converters (MLCs) have been widely applied in fields such as high-voltage direct current (HVDC) transmission, electric vehicles, and wind power generation due to their advantages in improving power quality, reducing harmonics, and high-power applications. However, due to the influence of switching...

The problem with the Bintara Market is that there are many semi-permanent stalls in the parking lot, so that many visitors park their vehicles outside the market. There is a parking lot for motor bikes, usually passengers leave parking spaces owned by residents around the market which are managed privately...

A prevalent issue in electronics manufacturing is that of positional misalignment of the Printed Circuit Board Assembly (PCBA) with the product's front cap. This issue has been shown to result in product defects and material waste. To address these issues, the research proposes a semi-automatic...

Solar cells generate energy through a photoelectric process. The electrical energy is produced when electromagnetic waves in photons pass through the semiconductor layer. In real condition, it is often found that the problem of low solar insolation caused by weather and shading factors makes energy conversion...

The transport sector currently accounts for more than 21% of global greenhouse gas (GHG) emissions, largely attributable to road traffic. The Paris Agreement is therefore in jeopardy without its decarbonization. Currently, the transition to battery electric vehicles (BEVs) is the only technology that...

This study delves into the examination of landslides induced by shifts in land-use patterns within the CPEC, with a specific emphasis on exploring mitigation strategies and identifying influential factors. The CPEC, linking southwest China with Pakistan, faces challenges due to landslides, which impact...

As the advancement of technologies becomes more progressive and efficient, State Polytechnic of Malang would like to start digitalizing most of the student attendance system by using mobile-based QR code scanning for student identification. They aim to improve their student attendance system to be more...

Municipal solid waste management has become one of the major environmental challenges faced by rapidly growing urban areas, particularly in developing countries. Population growth, urban expansion, and changing consumption patterns have significantly increased the volume of municipal solid waste, placing...

The effects of cadmium (Cd) stress on photosynthetic characteristics of grape seedlings were investigated through a pot experiment. The results showed that with the increase of Cd concentrations, the photosynthetic pigment content and net photosynthetic rate decreased. The transpiration rate, CO2 concentration...

This paper developed a DC high voltage standard device (including the DC standard voltage divider and the synchronous data acquisition system) for the on-site calibration test of DC converter station. After selecting the appropriate circuit for on-site calibration test, this paper completed the on-site...

Eu3+ doped transparent molybdate glass ceramics containing CaMoO4 were successful fabricated by melt-quenching technique. The optimal heat-treated system for the glass sample was determined by DSC,XRD and SEM(710º for 2.5h). The grain size of the glass ceramics gradually increased with the increasing...

Anthropometry is an important component element of fashion design, pattern research, clothing production and clothing MTM online. Anthropometric technology has went through the process from contact to non-contact, and from manual anthropometry to 2D image and 3D anthropometry. The purpose of this paper...

The coupling between the pulverized coal combustion and raw meal decomposition in precalciner of the cement plant with capacity of 5000t/d was investigated by Fluent software. The standard k- model was proposed to simulate the three-dimension turbulence flow. The multiphase was calculated coupling process....

Authors of papers to present a dynamic state prediction method based on an autoregressive model for outgoing Line of high voltage stations of power plants. When load is increased line autoregressive model at a constant power factor, it is proved in this paper that the bus voltages autoregressive models...

Considering the characteristic of medium and long term voltage stability, the simulation algorithm of medium and long term voltage stability used quasi-steady-state assumption is studied. Based on the numerical integration methods currently used in the time-domain simulation analysis, a decoupled simulation...

The proposed of PA (product architecture) makes the product development varied and effective. However, in the current society, focusing on the product to develop new products isn’t satisfying the user’s needs that become abundant and uneasy to be found. PA provides a systematic research framework that...

For the interchange foundation pit engineering of the Guangzhou No.3 and No.6 metro line, using three-dimensional elastic-plastic finite element method to build the overall modeling and to simulate the whole process of the excavation, and the calculation and analysis were made. The computation results...

Based on the current development of small snow sweeper on the market, the paper takes man-machine engineering and the shortcomings and problems of current small snow sweeper as the starting point to design a small snow sweeper, which not only can make multi-function conversion, but also add more humanized...

The power electronics control system can be designed in the discrete domain or continuous domain. In consideration of the digitally control and delay of actual system, it is more accurate to design the system control parameters in discrete domain. This paper firstly establishes the discrete domain model...

Peony is one of the traditional famous flowers in China, as the king of flowers, there are "very beautiful" "flower in the king" said. Peony and the kinds of peony diseases are introduced in this paper, the present situation of the prevention and control technology and the problems existing in the current...

According to the white strong expansive soil in Guangxi Zhuang Autonomous Region of China, the relationship between the processes of crack propagation in tunnel face with the engineering properties is investigated by using the scanning electron microscope. It can be observed that the crack of expansive...

In order to research feasibility of high strength concrete applied to the framed structure of large-scale firepower plant, the 3 high-strength concrete short columns are experimentally researched. The results show that the stirrup ratio increases, the hysteretic curves of columns increasingly become...

In combination with the composite material technology, add the glass fiber grid into gussasphalt deck pavement system to form glass fiber grid reinforced gussasphalt. Analysis shows that adding the grid can increase the bending performance. Three point bending test was did to do verification and results...

This study has been carried out to prepare basic data for modular Korean style house (Han-ok) which is to be continuously developed in the future. In doing so, errors and problems of designing, manufacturing and transportation in mock-up process of prefabricated Korean style house have been analyzed...

E-waste gold element content and the main source of content uncertainty is the use of inductively coupled plasma atomic emission spectrometry (ICP-AES) analysis determination. This article takes aurum as an example to analyze, compound and calculate five uncertainty components in resolving process, such...

Through the understanding of China's Henan province Chinese yam way of harvest, as well as to the yam harvest machinery manufacturers of visit investigation, in view of the tuber's long 80-100cm trenching chain of Chinese yam harvester, optimized design of the reducer. First tractor for the selection,...

The object of this paper analyzes the reliability level of pre-stressed concrete continuous girder bridges designed with the Chinese code (JTG D62-2004) and AASHTO LRFD (2007) using incremental launching method at construction stage. Typical cross-sections used in the example bridge are considered at...

Two types of measurement methods are given to determine the low impulse involved in the working process of pulsed electromagnetic plasma thrusters. Different mechanical devices, including pendulum and critical stress thrust stands, are introduced and compared with others concomitant with respective typical...

Based on a detection method of freezing point, the paper proposed a simple, reliable, portable, and low-cost refrigeration and heat-removal system. Semiconductor refrigeration was chosen through comparing operating principles and features of three refrigeration solutions. Forced air cooling was then...

Aiming at the existence of fuzzy C-means algorithm was sensitive to the initial clustering center and its shortcoming of easily plunged into local optimum ,this paper proposed a novel fuzzy clustering algorithm based on fireflies .The algorithm employed the chaos initialization individuals as the initial...

With the rapid development of DC transmission in recent years in China, frequency stability has become a key issue for the normal operation of the entire asynchronous interconnected electric system. When the external DC transmission line experiences a fault, the frequency of the electric grid at sending...

When designing database table structure, it is necessary to balance the design normal forms against properly retain redundant data. Based on design normal forms of relational database, a method called "Record relationship mark" is introduced in this article. The method helps to reduce program complexity...

The ATTN 2018 data collection process is obtained from the data collection of the sample OD-matrix using cellular data, carried out with the aim of obtaining data on the Origin Destination Matrix (movement) of the mobile phone user movement for a given period to get the sample OD-matrix. Data signals...

Prediction of methane gas emissions has been made to the Muara Fajar Landfill which is the final disposal site for all waste in the city of Pekanbaru. Prediction was made to find out the amount of methane gas emissions resulting from waste that has been piled up for a long time. The method used for prediction...

This study aims at determining the ability of yeast Rhodotorula sp. to inhibit the infection and anthracnose disease on chili during the test both in the laboratory and on the field. The fructosphere isolation resulted in seven yeast isolates of Rhodotorula sp whose colonies are pink, reddish, coral....

Mercury or hydrargyrum (Hg) is an important neurotoxin for living organisms. Small doses of mercury can cause various disorders of the nervous system. The US Environmental Protection Agency (US EPA) has established recommended levels of mercury in hair (

Tungsten oxide nanomaterials were deposited on flexible conductive carbon fiber sheets by a simple thermal evaporation method and compared with conventional hydrothermal tungsten oxide nanomaterials. The morphology and composition of the product were characterized by X-ray diffraction and scanning electron...

To improve the vacuum freeze drying rate and to reduce the energy consumption of apple slice, apple slice were treated with different ultrasonic frequency, time and temperature. The vacuum freeze drying rate of treated apple slice was determined and, meanwhile, the rehydration ratio of samples with pre-treatment...

Double defect modes are introduced in one-dimensional photonic crystal. Through studying the correlation effect between the two defects, explored new regularities of the change of the two defect modes with the transfer matrix method. Proposed a new implementation method in researching the photonic crystal...

The sludge produced by treating the urban sewage needs thickening and dewatering and it is important for improving environment to reduce the quantity of discharging sludge by increasing dewatering ratio in sludge process. This paper proposes a novel method that can model least squares support vector...

With the proposed national strategy of "New Silk Road Economic Belt" and "21st Century Maritime Silk Road" ("Belt and Road Initiative"), China's ports usher in new opportunities for development. In this paper, PCA method is used to extract the principal components index, and DEA method is used to analyze...

This paper established the composition of minimum interval of single crossover reentry station and double turn-back line station in different proportion of trains on long routing and short routing firstly. Moreover, the paper examined various factors which influence line capacity using quantitative analysis....

The selection of pavement construction type is influenced by several factors, such as technical conditions, economic conditions and conditions in the area. These factors have different criteria in each region, resulting in a different selection of road pavement. This paper aims to model the most suitable...

A mosque is a place of worship for Muslims. The mosque’s architectural elements include domes (roofs), mihrab, minarets, portals, and decorative ornaments. Elements of mosque architecture can express the identity of a mosque. Minaret often acts as a marker of the mosque’s existence on a city scale. The...

The purpose of this research was to determine the management of personnel data in Glonggong Village using the Civil Service Management Information System and Archives application which will make it easier for employees to manage personnel data and familiarize employees with using applications in managing...

The main purpose of this study is to clarify the long-term changes in vegetation and the relationship between NDVI and climate parameters in three different areas of the permafrost zones of Mongolia. We selected a total of 135 study sites in Munkhkhairkhan, Ulaanbaatar, and Bayanzurkh in the permafrost...

The construction accuracy and efficiency of curved walls have become a critical challenge as building designs grow more complex. This study explores a positioning method for curved walls that integrates BIM technology with layout robots. By digitally constructing BIM models and converting high-precision...

The temperature of Photo-Voltaic (PV) cells which increases when getting high radiation levels during the mid-day can reduce the efficiency of PV cells. This is a detrimental characteristic of producing electrical energy in a solar power generation system. The study objective is to improve cooling techniques...

Qingdao Second Cross-Harbour Tunnel connects the north-south line flue by arranging connecting flues at longitudinal intervals on the exhaust ducts of the two tunnels. As there is no case of connecting flue in highway tunnel for reference, it is urgent to clarify the optimal air volume ratio of extra-long...

This study investigated the effect of austempering temperature on the microstructure and mechanical properties of austempered ductile iron (ADI). Samples for this experiment were taken from ductile cast iron Y-block. Then they were austenitized to a temperature of 900 ℃ in an induction furnace for 90 min....

The requirements of elevator emergency lighting device are not clear in view of the domestic and international standards. This paper analyses the requirements of standards, parameter, wiring and other aspects, based on the principle of human ergonomics. Finally, this paper explains the requirements of...

Concrete with admixture mixtures is one of the latest innovations that is trending in both practical applications and research. The use of admixture in concrete serves to modify its properties, allowing for unique qualities and enhanced performance. Many researchers have implemented admixture in concrete...

According to the constitutive relation built based on the uniaxial tensile and compression tests of ECC, we proposed the calculation theory of flexural capacity of cross section of CFRP-ECC based on plain cross-section assumption. According to the result of four-point bending test, we proved the validity...

We consider the problem of the determination of the radio wave attenuation factor. We show that the attenuation factor can be used for the information leakage detecting due to the side electromagnetic radiation of information facilities. We illustrate the thematic examples of the experimental determination...

To analyzing the progress of "Green Development" of Tianjin Manufacturing, this paper uses Tapio index to quantitatively analyze the coupling relationship between economic growth and energy consumption of Tianjin manufacturing. By decoupling the concept of elasticity, the different values of elasticity...

This software is complete by Visual C+ + 6.0 and QT, It designed in the Unicode character set patterns , Con-tribute to ASEAN's cooperation and exchanges, It's solve the problem that system use compatibility and character output garbled in current national language software development. This development...

In post-genome era, dealing with biology data from all of aspects has become a main work of bioinformatics. This study mainly analyzes the application of data mining in bioinformatics. Based on the summarize of the definition and main research contents of bioinformatics, the processing flow of bioinformatics...

n this paper, a new type of digital leakage current sensor based on STM32 platform is developed. It is in a high precision simulation based on leakage current sensor by digitization and improvement, using CAN bus for data communication, real-time display clear, has the ability to meet the independent...

the selection of pure bamboo forest, bamboo forest, bamboo Tong Yang Yang Tong - Hemerocallis mixed forest as the research object, on the surface rainfall and 3 kinds of stand in the runoff, soil loss and nutrient loss (total nitrogen and total phosphorus) were studied. The results show that:. (1) the...

In order to study the influence rule and mechanism of rich-silicon iron ore tailing powder(IOTP) replacing micro-bead in UHPC, the influences of different specific surface area and dosage of IOTP replacing fly ash on its strength and liquidity were tested. Moreover, the pore structure and hydration products...

New ideas and thoughts of reuse and maintain of Taiwanese cultural heritage has only developed in these recent two decades. The definition of cultural heritage seems not being well understood by citizens in Taiwan, far more about the concepts and policies. Thus cultural heritage has normally been schemed...

we construct Hamilton model with endogenous social capital being included. By employing mathematical analysis and making numerical calibration, we find that: under the incentives of environmental policy, environmental awareness and environmental action gradually internalize into social capital, deriving...

Advanced Encryption Standard (AES) has been widely used in wireless communications with advantage of the small amount of computation and fast speed. In order to overcome the drawback of typical expansion algorithm whose key is easily attacked by Square, an improved AES algorithm is proposed. In this...

Numerical solutions of the wave equation have greatly aided geophysicists in both forward modeling and migration of seismic wave fields in complicated geologic media, and they promise to be invaluable in solving the full inverse problem. This paper compares time-stepping methods based on the solution...

The desiccation cracks can be often observed on dry-out soil surfaces. These cracks have a net-like structure and tessellate the surface of the material into polygonal cells hierarchically. The size and the shape of these cells on the final pattern change systematically depending on the specimen thickness...

The temperature of the evaporator is lower than the air dew point temperature when the air conditioning is running in summer. The vapor in the air condenses into a large amount of water on the surface of the evaporation pan. Conventional processing methods of condensed water now are directly discharged...

The utility industry has entered into Big Data era as the construction and development of smart grid. It becomes more critical to store and process the Big Data efficiently, and to make effective utilization when the power Big Data are massive complicate. This paper analyses the status of power Big Data....

The article is devoted to the analysis of one of the most popular sections of scientometrics - research fronts, in the direction of industrial science. There are quite a large number of serious studies in the field of industry which are highly cited, which confirms their relevance and necessity for the...

Electrical distribution network reconfiguration is a complex combinatorial optimization process aimed at finding a radial operating structure that minimizes the system power loss or maximizes the system reliability while satisfying operating constraints. It has been traditionally performed assuming that...

The mechanical properties and durability of concrete with or without ultrafine fly ash were studied by measuring the compressive strength and determining the chloride ion penetration and open porosity of concrete. The results show that the addition of ultrafine fly ash reduces the compressive strength...

A photochromic diarylethene 1, 2-bis-[2-methyl-5-(3-pentyl) phenyl-3-thienyl] perfluorocyclopentene was synthesized and characterized. Its properties, such as photochromism and fluorescence were investigated systematically. Upon irradiation with UV light, it underwent a reversible transformation from...

The effect of image correction on digital speckle correlation method (DSCM) is researched. And the error caused by differences in attitude is analyzed. Then the theoretical model of image correction based on coding assistance is established. According to the model, computer simulation is conducted. The...

analysis tool axis and workpiece axis motion relation principle of gear hobbing and synchronous control, interface input using the key parameter, the realization of programming automatically parameters of CNC system, the parameter programming method were discussed. Application is able to simplify the...

To improve the stability and precision performance of partial least square regression (PLS) model in near-infrared analysis application, the consensus strategy was applied in the wavelet domain. Taking the advantage of multiscale property of wavelet packet analysis, a new modelling method was developed...

The coiling temperature control method of a typical hot strip mill was investigated. Based on Time-Velocity-Distance (TVD) curve, the generation of velocity deviation between the calculated and measured was present and discussed in detail. To deal with the deviation of velocity, the main cooling zone...

Boundary equilibrium method is one of the methods applied in numerical analysis in the geotechnical field. Slope stability is determined by the values ​​of safety factors. This is obtained from various methods, i.e. discussing the usual method or Fellenius method, Bishop method, Bishop Simple method,...

Here, theoretical studies of energy consumption in rotor fertilizer spreaders operation have been given. Multi-blade rotor fertilizer spreaders have been suggested to enhance quality of fertilizer distribution. Expressions for determining all the elements of total power on the rotor shaft, such as power...

Information technology has an important role to improve the performance an organization. Industrial Enginering Department of Engineering Faculty, Veteran Bangun Nusantara University of Sukoharjo still uses the manual method withMicrosoft Excel to process the information system for Final Examination....

The study analyzed the nature and features of China civilian physique policies implementation, and held that implementation of sport-for-all policy is a dynamic process converting the policy objective into reality, which includes a series of activities and behaviors pushing forward the implementation...

Aiming at the problems of the decline of both accuracy and sensitivity of the anisotropic magneto resistive (AMR) sensors caused by outside interference, this paper puts forward the applied set or reset pulse to generate strong magnetic field to restore and solve the problem, and takes 3-axis AMR sensor...

This paper presents a new behavioral model for TiO2 resistive random access memory (RRAM). The model is based on hierarchical transformation filament theory, the device parameters are obtained from an Au/TiO2/Au MIM (Metal/Insulator/Metal) RRAM cell with 100 nm in diameter, 50 nm-thick TiO2 thin film....

Mattress overlapping recognition is of great significance in tracing and detecting the quality, and provides reference data of mattress laying. The recognition process includes the generation and image correction of the color sinking sonar image, the image segmentation and the recognition of mattress...

With the continuous development of Chinese social economy, the study of virtual reality technology has become a hot topic in the academic field. Virtual reality technology has also been paid attention to by the community and gradually applied to people's lives. Based on the change and influence of the...

For the crucial issues of joints in the truss structure of pultruded GFRP tube, the double-sided shear adhesive test was performed on the steel tube joints and GFRP tube to explore the effect of different adhesive lengths on the distribution of adhesive stress, joint slip and bearing capacity, in order...

In China, the mechanization of breeding industry has been mechanized from the beginning to the present complete set of equipment, and the series of products are becoming more and more perfect. In view of the obsolescence of cattle and sheep and other livestock breeding technology, a human-computer cooperative...

CT technology can make use of the penetrability of X-ray to obtain the internal information of the object without damaging the shape and structure of the sample. Therefore, it has a wide range of applications in the fields of industry, non-destructive testing and medical imaging. However, in the installation...