Advances in Engineering Research

The vacuum eutectic solder joint is widely used in the advantages of large thermal conductivity, small thermal resistance and so on. But the void ratio of vacuum eutectic solder has a great influence on the thermal conductivity, and the smaller the void ratio is, the greater the thermal conductivity...

This article is based on the subsoiler as the research object. 3D model is established using large finite element analysis software analyze and optimize the structure afterwards. The structure and thickness of the subsoiler have been optimized and the feature parameters have been changed from different...

As a critical component in electromagnetic exploration device, there are many issues in frequency domain electromagnetic transmitter to be addressed in the aspect of cover range of frequency points, operation efficiency under wild condition and high precision synchronization transmission as well as other...

The purpose is to analyze the vibrational wave motion of finite coupled plates considering boundary conditions. Since reverberation ray matrix is a semi-analytical method, Local dual coordinate of each discrete plate was introduced to reverberation ray matrix method. The vibrational formulas of coupled...

In order to facilitate monitor and manage various distributed generations in micro-grid, eliminate and discover malfunction of micro-grid, a micro-grid remote servo system based on The World Wide Web was designed. Discussing micro-grid’s remote monitoring system functional structure and database system....

The numerical analysis of the inner step length on the stress distribution in weld-bonded single aluminum lap joint was investigated using elasto-plastic finite element method (FEM). The results from the numerical simulation show that the peak stress along the bondline peak stress at the end of lap zone...

Current underground mining scenario is inclining towards mechanized drilling and blasting since it proves advantageous in many ways like controlled excavation profile, limited ground vibrations and better ground control, higher rates of advance, enhanced mine development rates besides maintaining a balance...

Deflection nose is a new concept of fast response control mode, partial nose of projectile can deflect certain angle relative to the axis of projectile body and pressure difference emerges in the windward and leeward side of warhead then generates aerodynamic control force, and this control way has high...

The purpose of this research is to identify the characteristics of industrial labor housing in Semarang. It is also to formulate a strategy to provide the feasible and affordable housing for industrial labor. The analysis technique used is descriptive analysis of qualitative and quantitative, scoring...

Small changes in the production plan will cause frequent changes in machine tools, which brings the NC program quickly transplant needs, this paper integrates simulation, post processing and cutting parameters optimization technology, based on a typical example, successfully proposed and validated a...

Machining of workpieces under low rigidity of equipment is often accompanied by excitation of self-oscillations impeding the technological process. Among the causes of selfoscillations, there is their regeneration on the cutting surface. Self-oscillation regeneration can be controlled by target impacts...

In view of the control method of present self-balancing system stability is so complex, and the controller requires high operation speed of the control system, so this paper presents a control method by using the centre of gravity equations of motion to analyze the system stability and maintain the system...

Base on the numerical simulation, the dispersion characteristics of Rayleigh waves for 3D topographies are studied. The results show that terrains have a strong effect to the propagation of the Rayleigh waves due to the wave due to the wave conversion, reflection and diffraction. And this results strong...

Barometer is an equipment that uses the pressure-sensitive components to directly convert the pressure to be measured into current or voltage signal, which is then processed and controlled by the single-chip machine for real-time display. The internal core element is the pressure sensor, which plays...

The decreasing number of quality wood in accordance with the wood class as stipulated by the Indonesian Timber Construction Regulation (PKKI) requires the industry to innovate in providing construction materials from nature that are equivalent to wood. One of the natural materials with large numbers...

Good transportation facilities will make it easier for an existing area to develop further. In order for traffic to flow smoothly and not be hampered, the condition of the infrastructure must always be treated and maintained. Until now, the guidelines used for steel truss bridges are Guideline No: 07/BM/2005...

This study focuses on the industry pain points of traditional mobile robot control methods, such as high operational thresholds and monotonous interaction experiences. It innovatively designs and implements a set of Mecanum wheel trolley control systems based on gesture recognition technology. The research...

This research was conducted to analyze the use of R-600a in undercounter applications. The use of R-600a refrigerant is an effort to save energy and reduce the Ozone Depletion Potential (ODP) and Global Warming Potential (GWP). Testing was carried out at an ambient temperature of 24℃ and temperature...

For a 4-DOF manipulator, The Kinematic Model of Manipulator is built by the method of D-H, Analysis the solution of forward and inverse kinematics of manipulator, The method that algebraic method combined with the geometric method is used to solve forward and inverse kinematics. MATLAB software is used...

Traditional Data envelopment analysis models make no hypothesis concerning the internal operations in a "black box". To open the "black box", we put forward a type of network DEA structure with several sub-DMUs linked by intermediate products. The input node and output node also represent the entrance...

The effect of cold rolled reductions on microstructure and mechanical properties of TiNi alloys was investigated by means of tension test and TEM. From the results it can be determined that when the annealing temperature reached 550 , the recrystallization and grain growth began to occur after the cold...

To meet the control demand of power system in for hydraulic walking platform, based on the brief analysis of digital PID structure and its shortcoming, fast regulation and control precision control for requirement of power system is given, control algorithm for neural network structure PID is presented,...

Conceptual model is considered to be essential in simulation development activities. However, there are only a few research studies on how to develop conceptual models, the problems of model’s low reusability and lacking management are presented in the conceptual model’s development of simulation system....

When the electronic computer aided design (ECAD) meets the mechanical computer aided design (MCAD), the process, method and scheme of the design in the new electronic products will have a qualitative leap, and the three-dimensional (3D) design is one of the best ways to realize the improvement of new...

The load-relieving material is described by Mooney-Rivlin model. Dynamical response of projectile-based CCD camera is derived by total Lagrangian Increment Method, and the results is simulated numerically by finite element method. The rule of variation of load-relieving materials’ elastic modulus on...

Life Cycle Cost Management is a quantitative analysis method. During the grid operation, load growth causing reduced reliability phenomenon such as some lines overloads, electric power enterprises to re-plan and transformate transmission line to ensure the reliability. In this context, in order to reduce...

This paper, from the point of time sequence, classifies Chinese Company Town, and gives a brief overview of Company town’s causes, process and characteristics etc. in the colonial times, period of national capitalist industry and the Third Front Construction period, and the present situation of preservation....

Distributed generation could be used as a useful supplement to the power grid, which was also the basis of the development of global energy internet. However, a large amount of clean energy integrated into power grid would bring huge challenges to the traditional power grid. In this paper, the state...

The adsorption of platinum (IV) in hydrochloric acid solutions of a composite based on N,N-bis(3-triethoxysilylpropyl)thiourea and 4-vinylpyridine-2-hydroxy-ethylethacrylate copolymer is studied. The value of the static adsorption capacity of the composite for platinum(IV) is found to be 215 mg/g. To...

Android is an advanced development language applied to mobile devices, with great prospect for the application to market. This paper analyzes the development and characteristics of Android, and introduces the development and relevant application of urban logistics platform based on Android.

Modulation technology is very important in the field of communication. A good modulation technology not only can save spectrum resources but also can provide a good channel performance. This paper is based on TCM+8PSK modulation demodulation principle of waveform research and analysis, which aims at...

The traditional translation teaching mode pays little attention to students' practical and cooperative abilities, not to mention the translating technology required by the occupation at present, which has become a big challenge for the cultivation of translation talents meeting the social needs. Under...

Yeasts growth media substitution in producing mannoprotein has become important recently. Bean sprouts were developed as nitrogen sources alternative for yeasts growth media. The research aims to determine the role of bean sprout as alternative growth media in producing mannoprotein by Candida apicola,...

The purpose of this paper is to reveal the effect of fuel injection pressure on the power and torque of a diesel engine. The research method used is the experimental method. Pressure variations of 110 kg/cm2, 120 kg/cm2 and 130 kg/cm2 were applied to a 1981 Chevrolet LUV diesel car. From the experimental...

This study conducted a quasi-static uniaxial compression test to investigate the compressive properties of foamed metal and cementitious composites. The failure phenomenon, stress-strain curve, and compressive toughness index of the tested specimens were analyzed, and the compressive properties of the...

Modulation technology is one of the important technologies in communication systems. This article provides a review and comparative analysis of various modulation techniques used in communication systems. The study begins with a brief overview of the basic concepts of modulation techniques such as analog...

The effect of Mo content on microstructure and mechanical properties of TiC steel bonded carbide was investigated when Mo content was 0.6%, 1.25%, 2% and 2.5% respectively. Results showed that density, hardness and transverse rupture strength of the sintered material achieved the best combined values...

In order to achieve both the processes advantages of fused deposition modeling (FDM) and mechanical cutting, a novel miniaturized machine tool with combined processing capabilities is designed and developed. The miniaturized machine tool is designed using the gantry structure and its overall size is...

With the development of electronic information technology, the electrical engineering and automation has been integrated into various fields of social production and routine life. The methods for cultivating electrical engineering talents with practical application ability are the hot topics that college...

This paper concerns the heterogeneous fleet vehicle routing problem with two-dimensional loading constraints (2L-HFVRP), which is a more complicated version of the vehicle routing problem as it combines heterogeneous vehicles and two-dimensional loading constraints. We give a detailed description of...

Surrounding rock masses’ stabilities of cavities and crane beams of the hydropower station were studied using FLAC3D. Results show that, due to the large excavation span and height, the main powerhouse and tail water hole have larger plastic zones after the excavation, and the same as 1 # unit and 2...

The article studied the influence of pH to the gelling properties and stability of HPAM/Cr3+, the results shows that the alkaline environment could promote the gelation rate and strength. The gelation rate can be lifted properly by increasing the pH value. The HPAM/Cr3+ which exist in the alkaline has...

Carbonization is one of the main factors affecting the durability of concrete structures in atmospheric environment. According to the theory of reliability and the climate forecast data, using the concrete carbonation prediction model improved, the time-dependent reliability of concrete structures were...

In this paper, a remanufacturability evaluation method for mechanical product from the technical point is put forward, according to the remanufacturing process, five remanufacturing technical feasibility indexes of disassembly, cleaning, testing, repairing and assembly are designed scientific and quantitatively,...

When the vehicle is running, there is resonance phenomenon if the frequency of excitation is equal to the natural frequency of vehicle. But it can change the frequency of the new system when a traction transformer is hung under the car-body. In a certain extent, it can avoid the resonance. Meanwhile,...

This paper applies case-based reasoning method to emergency decision-making research field, and mainly researches case representation and case retrieval method. At first, this paper analyzes character of coal mine emergency rescue work, and describes the coal mine accident case using frame representation....

This study investigates the composition and content of anthocyanins, which are from the purple corn (Zea mays L.) bracts. The content of purple corn anthocyanins (PCA) is 17.13%. Results of the identification of PCA showed that the most prominent of the all components was cyanidin type. DF-1 cells were...

Aiming at the numbers of system state parameters and high real-time requirements of real vehicle test, in order to monitor and record various status indicators in actual operation of Multi-Wheel-Independent-Drive(M-WID) Electric Vehicle with in-wheel motor, a real-time monitor recording terminal equipment...

the computer network with many kinds of functions is a kind of modern network appliance. Nowadays, it has also become a high tech teaching tool. The use of computer network in physical education not only improves the dull and boring teaching environment of traditional classroom, but also increases the...

With the high development of the mine enterprise in China, the scale of the tailings' design is becoming bigger and bigger, the safety of the tailings becomes more and more important. As one of the most important parts, the tailings dams turn to be 'disaster zone' with frequent accidents. Therefore,...

Today, the information is changing rapidly. People's demand for information retrieval is getting higher and higher. The information retrieval technology based on keyword has not fully met the user's requirements in the precision and recall. The information retrieval technology based on semantic is still...

The simulation of thin-walled aluminum alloy laser welding was carried out in this paper. It is analyzed for the temperature field of thin-walled aluminum alloy laser welding in various laser power and scan speed. The simulation results show that with the increase of laser power, the area of heat affected...

The paper presents a method of mathematical modeling of composite and heterogeneous deformable materials used, in particular, in modern aircraft structures, such as MS-21. The technique is based on scanning a deformed body by a computer tomograph, with further mathematical transformation of the information...

The article analyses the data of bacteriological studies of milk taken from dairy cattle for mastitis identification in 2015-2017. The studies involved standard methods to identify germ cultures and investigate their morphological and biological parameters determining the species of the germs. Microbiological...

Active power distribution is important for AC traction systems where loads change suddenly. It is proposed to use tabular representation of control action in active filters based on power width modulation. Such modulation with control action look-up tables helps to achieve almost zero unbalance between...

Clustering fusion is a large combination of different algorithms or the same algorithm using different parameters the members of quantitative clustering are fused by fusion function, and the final clustering results are obtained. Clustering fusion has become a research hotspot in the field of data mining....

Motor testing plays a very important role in the production of electrical machines. In recent years, the continuous development of computer technology has promoted the development of motor testing technology. According to the needs of asynchronous motor performance testing, the hardware and software...

Installing guy wire is an effective strengthening method to improve the wind resistance of distribution power lines. A numerical study on the guy-wire-strengthened method to 10kV distribution lines with finite element method (FEM) is presented in this paper. Firstly, a 3D FEM model of a standard section...

In order to solve the inconvenience of searching the location of classroom, we developed an offline classroom searching application based on smart mobile phone, which makes it possible to achieve the searching function in five campuses. This paper attaches importance to the installation of classroom...

The tight oil of Changji in Xinjiang oil field is one of these typical tight oil blocks in China, and it has the characteristics of high viscosity and low fluidity. The change of viscosity of oil is greatly affected by temperature in Changji tight oil. It will cause cold damage to the reservoir and affect...

With the adjustment of China's industrial policy, clay bricks which were used for many years has been out of the building field, and some new wall body materials are developing as the main current gradually, including a new wall called EVG-3D introduced from EVG Company in Austria. In this paper, three...

The growing demand of cloud storage service has raised a great concern to service providers aiming at high service reliability and usability. In this work, we proposed an erasure code-based approach SEDP to improve the capability of data recovery and dynamic update for cloud storage. The coding scheme...

The Fluidized Bed Spray Dryer is a spray drying machine that works by treating the milk solution particles as a fluid, which flows in a 2-phase stream at different temperatures. The purpose of this research are to see the vortex phenomenon that formed and the effect in heat transfer process, later compared...

Heating process of ground red chili can affect chemical compound of dihydrocapsaicin that can caused less spicy. The objective of this research was to determine the effect of heating process of ground red chili based on the chemical compund of dihydrocapsaicin, and also moisture and vitamin C. Research...

Water heaters are currently needed especially in the industrial world. This heater is used to maintain the temperature of the liquid so that the products produced are appropriate with standard specifications. Along with technological developments in recent years, circulating water heaters still use conventional...

Pelvic fractures are considered some of the worst orthopedic injuries because of the complex nature of the anatomy, the seriousness of the vascular and visceral injuries that can be caused by the injury, and the fact that they are not easily diagnosed using medical imaging. The traditional radiographic...

Due to the widespread implementation of UART (Universal Asynchronous Receiver-Transmitter), the data transmission speed has become a significant challenge, especially in applications requiring high performance. Improving the speed of UART communication is crucial to meet the growing demands of modern...

Waste management and utilization are very relevant topics today, especially in the context of environmentally friendly and sustainable road construction. The use of natural aggregates as basic materials for road infrastructure continues to dwindle, so alternative materials are needed, one of which is...

3-(4-aminophenyl) cyclopropane-1, 1, 2, 2-tetracarbonitrile (1) is an important intermediate which used to syn-thesize NVP-BEZ-235 derivative. In this work, a rapid synthetic method for compound 1 was established. The 3-(4-aminophenyl) cyclopropane-1, 1, 2, 2-tetracarbonitrile was synthesized from the...

This paper mainly studies the application of the lattice Pohl Seidman method in the optical flow field computer. A lattice Pohl Seidman equation is established for the optical flow field in a sequence of consecutive image frames using the lattice Pohl Seidman method. And the corresponding constraint...

To study the influence of pile-soil interaction on the seismic behavior of PHC piles, this paper takes the PHC pile in the soft clay as the research object, which is simulated by fiber beam element, and the pile-soil interaction is simulated by using equivalent embedded method and p-y soft clay soil...

For the first time used the international advanced level of plasma source, acquired seismic section with accuracy better than three meters even within 1 meter, lay the foundation for scientific research, engineering, shallow resources, geological disaster warning and other research. This paper for the...

With the Electromagnetic relay development, the detection technology of relay is more advanced. At the same time, users are also increasingly high requirements on... quality, performance and reliability of relay. This requires very precise relay detection, in order to ensure the quality and reliability...

With the energy crisis and environmental degradation increasing, people are increasingly concerned about the development of environmental protection and new energy technologies. According to the output characteristics of solar photovoltaic batteries, this paper is designed to take a DC chopper as the...

When the small hydropower stations are linked with the power system, it becomes difficult to judge the type of the fault which causes the running of the hydropower station unsteadily. If the fault takes place in the distribution line which links to the hydropower stations, the reclosing always fails....

To solve the current problems occurred in Jiaokou irrigation area, and to realize sustainable utilization of water resources, this article proposes several water resource allocation plans, based on water supply and demand calculation in the area. A model is used to simulate these plans. The results shows...

The integer frequency offset and the fractional frequency offset estimation algorithms in SFN are improved and used for the Composite fractional frequency offset estimation in OFDM mixed signals in this paper The simulation results show that the performance of the Composite frequency offset estimation...

In order to the research on the diffusion of the particles in street canyons under elevated roads, field measurements of the diffusion of respirable particles were carried out, which conducted at different heights, atmosphere temperatures and the vegetation coverage. At the same time, the correlation...

We analyzed the horizontal, vertical and seasonal variations of Cd in waters in the bay mouth of Jiaozhou Bay, eastern China in 1984. Results showed that, for seasonal variation Cd contents in waters were higher in autumn than in summer, which were determined by the equatorial Kuroshio flowing. For horizontal...

In this work, NiFe2O4 was prepared as oxygen carrier (OC) and its redox performance with lignite was systematically studied by thermogravimetric analyzer (TGA) experiments. Surface structures of the fresh and reduced NiFe2O4 were characterized by SEM, BET, and XRD methods. In comparison with NiO and...

In recent years, with the power grid and ultra-high voltage power transmission project increased, tension stringing is taking an important part in transmission project. Due to the shortcomings of traditional theoretical formulas, it is not precisely to reflect the dynamic tension of wires. In this paper,...

Test optimization selection is a set cover problem, and heuristic algorithm for set covering problem is effective method. A genetic simulated annealing neural network fused algorithm was proposed by fusing the genetic algorithm, BP neural network and the simulated annealing algorithm, the genetic algorithm...

The time-to-digital converter is a widely used device for measuring pulse width,timing characteristic of signal in precise control. In this paper, we present a cyclic time-to-digital converter based on the pulse-shrinking technique. Through utilizing the temperature-compensated Schmitt trigger and design...

Objective: This paper tracked the emergence process of three CBDs in Shenzhen, and made a comparison of the public realm among them. Methods: Field investigation was conducted over the public realm in the three CBDs, including land use, parking, motor & non-motor traffic and public space. Results: Luohu...

In this paper, based on the predetermined virtual trajectory, the reference yaw angle for lane changing was generated. From the dynamical model of front and rear wheel steering vehicle, considering the influence of sideslip speed, a track error model of vehicle for lane changing is established. By applying...

In order to meet the needs of user requirements and data transfer efficiency in the diversified outsourcing computing. Study the relationship between data migration order and Data storage topology, by the dynamic characteristics of P-sets. Through the analysis of the data transmission principle of network...

This study aims to determine the volumetric results of column reinforcement in reinforced concrete/Quantity Take Off (QTO) based on Building Information Modeling (BIM) and compare them with conventional calculations. With a case study of 4 buildings, namely, the Integrated Surgical Treatment Building...

The multiplied growth of financial information together with the often complex regulatory requirement has only worsened the challenge involved in maintaining information quality, integrity and coherence across dissimilar banking frameworks. In this manuscript, a detailed roadmap on data quality governance...

The increasing frequency of extreme weather events and urbanization have exacerbated rainwater runoff, posing significant threats to urban infra- structure and the environment. In response to the United Nations’ Sustainable Development Goals (SDGs), this study proposes the implementation of Sustain-...

The estimation of the State of Health (SoH) of lithium-ion batteries is essential for ensuring the reliability and lifetime optimization of battery management systems (BMS). In this study, the long-term aging behavior of nickel-rich L i ...

This study aims to develop a prediction system for the Farmer’s Maintenance Result Recapitulation (RHPP) in broiler farming using the Random Forest Regression algorithm. The research addresses the delay in RHPP availability, which typically occurs several days after harvest, reducing management efficiency...

Solid Oxide Fuel Cells (SOFCs) offer their ability to directly convert hydrocarbon fuel into electricity via internal dry reforming. NiYSZ-based SOFC anodes were manufactured via aqueous tape casting. Raw materials such as NiO and yttria-stabilized ZrO2 powders, glycerol, polyvinyl alcohol (PVA), and...

This paper used 3# coal seam mining of Mengzhuang Coal Mine as an example and the FLAC3D software was used to analyze the reasonable fault coal pillar width leaving in high angle condition. The results show with the width reducing of coal pillar, the range of concentrate stress before the working face...

For the intelligent operations using robots and vision sensors, it is a seemingly simple but in fact complex problem to design an efficient and accurate visual feature matching program. To determine the optimum identification pattern of freely placed and moving objects, the orthogonal experimental approach...

Due to the influence of the working environment, there is always unbalance fault in rotating machinery which is difficult to detect by sensors. In order to solve this problem, the unbalanced rotor model is established by using modal analysis theory in this paper. The first six mode shapes of the simulated...

Chromatographic separation is the most frequently techniques used in research on the infochemicals and chemical analysis of natural products. In this paper, three secondary metabolites were isolated with fat-soluble substances from the black ants, Polyrhachisvicina Roger by normalphase high-performance...

We’ve designed a photoelectric sensor to detect the concentration of SO42- solution with a vertical capsule which was immersed into sample solution derectly. The system contains a pair of light-emitting diode (LED) and photosensitive diode (PIN) packaged with cover of semi-sphere shape. Theoretical analysis...

The construction of green mine is a great action which wants to ease the pressure on the supply of mineral resources and the geological environment. According to "the basic conditions of national green mine", the evaluation system of constructing green mine is built, it includes 25 indexes of 8 categories,...

Human Resource Management (HRM) is very important to the realization of strategic goal, and it has attracted the concern of decision-maker. The paper gives a comprehensive introduction on the construction of Human Resource Management Information System (HRMIS) of large corporations, including the overall...

At present, the computer curricular in the liberal arts universities is getting more and more attention. To our school - East China University of political science and law(ECUPL) as an example, aiming at cultivating the compound type of law talents, reform the whole computer curricular with legal characters,...