Advances in Engineering Research

For the problems of the unfairness of the human-computer interface in the process of traditional aircraft virtual assembly, the simulation results are not intuitive and the operator cannot directly observe the changes and adjustment of the parameters during the operation of the control system and so...

Aiming at the problem that signal snapshot data of the target is sparse and conventional algorithm is difficult to obtain the signal subspace ,a new DOA decorrelation algorithm based on improved covariance matrix is proposed. Firstly, the received single snapshot data is pretreated by cross-correlation...

High power transient electric field is coupled into the interior of the electronic system easily. How to detect the field signal and reduce the influence of the field has become one of the most important fundamentality research projects. However, single sensor cannot detect the wide bandwidth signal...

Combining with strengthening engineering of a practical reinforced concrete plate bridge serving for 30 years, the superimposed experiments of four old bridge plates were studied with full size of 4960mm*950mm*220mm. The characteristics of composite members under secondary load stage were analyzed, such...

The Reynolds number of flow field around circular cylinders is usually high under strong wind for most full-scale tall buildings, which is difficult to achieve in most wind tunnel tests. To explore the wind characteristics of tall cylindrical buildings with vertical-equidirectional grooves from subcritical...

When the quadruped robot run high-speed movement, Frequent or large impact force from the ground on the robot system cause significant damage to stability and reliability of the hydraulic system and robot itself. Through decomposition the high-speed running process, the touchdown, slippage, and stationary...

The road performance prediction models of AC-25 asphalt mixture are established through a large number of road performance test,the road performance of AC-25 asphalt mixture is predicted in the design calculation process.The gradation test prediction models are established to identify the skeleton structure...

In this paper, The DC-DC Converter (DCC) has gained popularity with an increase of utilization of renewable energy sources over conventional energy sources. It is easy to operate Hard Switching DC–DC Converter (HSDCC) with rising power losses and deteriorating efficiency than with Soft Switching DC-to-DC...

Farmhouses in the cold regions of China are affected by climatic conditions, energy conditions, the building's own characteristics and farmers' living habits, and many kinds of pollutants accumulate and diffuse in the farmhouses, resulting in poor indoor air quality. Through a combination of...

Rotating cylinder is a major categories of guidance ammunition now. In order to detect the performance of its guidance components, the hardware-in-the-loop simulation test is necessary. Firstly, a platform whose core is a three-axis turntable is established for the test. Then, two experiments are conducted...

We study on the generation of efficient terahertz (THz) wave. This scheme applying cavity phase matching (CPM) optical parametric oscillator (OPO) with a GaAs crystal sheet by CO2 laser is proposed. The THz wave is emitted the nonlinear crystal. We calculated the optimized cavity length in a GaAs crystal...

According to the demand characteristics of urban common distribution pattern development, combined with China's current logistics management system and the development environment, this paper puts forward a new objectives, selection of the policy tools and policy to government in promoting the rapid...

For underground earthen sites in humid environment, its preservation is more difficult than the ones in northwest arid region. One reason is that the changing of existing environment, especially the changing of the groundwater resulting in the local cracks and creep-sliding disease of the underground...

Among methods used for transdermal penetration enhancement of drugs, the application of transdermal penetration enhancers is a method that has been most studied currently to promote the transdermal absorption of drugs, and also the most convenient method. Transdermal penetration enhancers (penetration...

The bridge bearing stress and deformation can eflect the safety of the bridge structure significantly. For bridge bearing status monitoring, identification and early warning technology, in recent years, is an important research direction for structural health monitoring. This paper is based on a model...

The EEG signal is an important tool for the diagnosis and prediction of epilepsy due to EEG containing a large number of physiological and pathological information. Based on alpha rhythm multi-channel EEG (electroencephalogram), this paper applied inner composition alignment (IOTA) algorithm to construct...

The influence of spray casting technique on martensitic transformation temperature, magnetic properties and compressive properties of Ni50Mn25+xGa25–x (x = 0, 1.25, 2.5, 3.75 and 5) alloys was investigated. With the increase in Mn content, martensitic transformation temperature of the spray casting samples...

Visual function in humans degrades during the early stage of senescence beginning from middle 50s to 60s. Generally,it may derive from the general decline of cortex inhibition,which destroys the balance between excitation and inhibition system in the brain.To date, the optimal fitting model of receptive...

To evaluate soil fertility of karst land undergoing rocky desertification (RD), the changing trend of soil microbial biomass properties over the succession of RD were studied by investigating the stands and analyzing the soil samples with four different RD grades in the northwestern Hunan province, China....

In this paper, the combustion features of dimethyl ether (DME) and liquefied natural gas (LNG) have been investigated by theoretical analysis. For the fuel consumption, the heat loss of the waste gas and the NO emission, we find that these indexes of LNG are higher than that of DME. However, the thermal...

Based on the investigation data on Pb in waters in 1984, were analyzed the horizontal distribution, seasonal variation and settling process of Pb in water in the bay mouth of Jiaozhou Bay, eastern China. Results showed that the seasonal variations of Pb contents in surface waters and bottom waters were...

The accurate and practical wind speed model of wind farm is the basis of the relevant research work of wind power prediction. This paper based on the wind farm and the real-time data of wind turbine, put forward a kind of dynamic distribution model of wind speed that consider the wind turbine wake and...

This paper introduces the composition, working principle, hardware and software design of the control device of the economical mine hoist rope winch.The device is controlled by the main control box.For the core, real-time detection of speed signal and winch running information, and can be real-time display...

A movable test system for thermal performance of domestic solar water heating system is proposed to solve the problem that fixed test system has low utilization efficiency of climatic resources. The test system consists of a bus body, closed pipeline system, measurement and control system for temperature...

Adopting Chinese cultural perspectives, especially the symbol of Yin/Yang, we study the issue of environmental protection in a developing country such as China. First, we compare the implications of this symbol with those of a more well-known Chinese perspective, i.e., Confucianism, both of which should...

To reduce the wear of thrust washer within straight planetary gear set, hydrodynamic lubrication design was studied by way of machining grooves in the radial direction into sides of thrust washer. Such grooves can result in a hydrodynamic pressure to separate the contact surfaces and reduce the wear...

Tricycles (“aboboyaa”) are vital and common for transport in Ghana’s rural and peri-urban areas but their internal combustion engines emit greenhouse gases, cause noise pollution, and incur high maintenance costs. This study examines the technical and economic feasibility of retrofitting such tricycles...

Research in flexible materials and conductive nanomaterials has advanced the development of flexible pressure sensors. These sensors combine flexibility while converting pressure into measurable electrical signals. Hence their value in areas such as artificial skin, medical detection, and human-computer...

This system, centered on the YOLOv8 algorithm and designed for UAV platforms, enables efficient identification and positioning of small-sized, long-distance targets in high-altitude environments, with broad applicability in military reconnaissance, civilian inspections, disaster relief, and other scenarios....

Through the establishment the parameters optimization model of milling machine, the optimal solution of the cutting parameters for complex surface is obtained by using some optimization algorithms for parameter optimization. Based on analyzing the main factors influencing on the milling process, the...

When interfered by lateral acceleration or uneven road surface, a vehicle is prone to rollover. In this paper, the active anti-roll bar (hereinafter AARB) is self-designed and a six-degree-of-freedom vehicle dynamic model is established for rollover prevention and ride comfort improvement. In order to...

As a kind of design technique, industrial moulding design has been applying in all kinds of production design, especial the new products. Taking the ZDY Directional Drilling Rigs as a example, the paper gives a detailed description of application and research of industrial moulding design in developing...

Based on the improved electrical betweenness and voltage stability theory, considering the importance of the structure of the grid and the current operational state of the power system, a comprehensive vulnerability assessment model and index based on the method of AHP-grey relation degree is introduced....

Waste derived ceramics were prepared successfully using a constant amount (50 wt.%) of steel slag and a different amount of glass by conventional sintering process. The influence of glass content on sintering temperature was researched. The phase and microstructure of the final ceramics were observed...

The paper overviews directions for electrotechnology treatment of grain seeds before sowing. The hypothesis of the germination enhancement of seeds if treated with corona discharge is presented here. Besides, the description of electrotechnology installation and facilities for it, including manufacturing...

With the rapid development of various kinds of radio access technology, the trend of future network will be the heterogeneous wireless networks environment, where all kinds of networks coexist for their complementary characteristics. On the other hand, the rise of smart terminal and software defined...

The assessment of environmental performance was carried out to identify the environmental impact of three typical solid wood based furniture: A beech wood desk (P1), A white oak-and-fabric sofa (P2), A rubber wood wardrobe (P3). A field research of company's manufacturing plant was conducted in order...

The existing research based on the paradigm of Environmental Adaptation Theory leads to an explanation of entrepreneurial mental process from a extrinsic, historical and static view. They also cannot explain why entrepreneur choose to open a new company themselves instead of selling entrepreneurial opportunities...

Based on Reissner theory, this paper investigates the vibration problems of rectangular thick paltes by applying boundary integral method. This paper presents the concept of the quasi basic system, applies the boundary integral method in it and the actual system, and derives the governing equation and...

In substation equipment charged detection wireless sensor network level, fault prevention and fault occur in the repair system, in all stages of the life cycle of the network, including testing, deployment and maintenance, the need for a lot of human-computer interactive operation. Different operation...

Authores reviewed GABA's physiological functions, preparation methods and the development prospects. Earlier researchers produced GABA by chemical synthesis method. However, it pollutes the enviroment,the reaction is intense, and can't add to the food. Researchers now use microbial fermentation method,...

In order to realize seeding mechanization in vegetable tray seedling, a SolidWorks-based vegetable tray seeder, consisting of the workbench, seeding device, dynamic system and control system, is designed. The experimental structure of a test unit based on this design shows that the machine is able to...

Extracting structured beneficiary information from Corporate Social Responsibility (CSR) reports remains a practical challenge when key data is embedded in narratives shared through platforms such as WhatsApp. Reliable reporting is essential to measure program reach and demonstrate impact. Yet inconsistent...

The solid-state diffusion bonding experiments of the high Nb containing TiAl alloy were successfully carried out at the 1100 under a uniaxial pressure of 30MPa for 45min, and the microstructure as well as the shear strength of the diffusion bonding interface with different surface roughness were investigated....

In order to improve the international level of Xi'an City Wall Marathon, The study analyzes the influencing factors of the operation of 2012 Xi'an Wall Marathon by using the method of literature analysis, questionnaire and mathematical statistics. By finding out the distance that influences the internationalization...

It is necessary to analyze direct connections between injection wells and production wells for discovering superior water channels, researching water flooding effectiveness and flow directions in a single well group. A new method of discriminating the direct connections by applying computational geometry...

Proposing solution to clean water shortage is of great importance to all citizens of the world. In this paper, we analyze and evaluate water supply capacity in a region based on building mathematical model by analytical hierarchy process (AHP) and fuzzy comprehensive evaluation. First of all, hierarchical...

Biomass energy is an important distributed generations and energy production, biomass energy utilization rate is very high. This paper focuses on the biomass power generation, photovoltaic power generation conditions, the load characteristics in Guangxi rural areas, were all analyzed by statistics, build...

The rheologic action of the soft rock-soil could be accelerated by the dynamic load, which induces catastrophe instability failure and more geo-technical engineering accidents and geologic disasters. Marine deposit soft-soil in Xiamen region is taken as the test sample, of which the rheological dynamics...

In this paper, we focus on studying traveling waves for the nonlinear vibrational dynamics modeling DNA, which is modified from the Yakushevich model. The Yakushevich model of DNA torsion dynamics supports soliton solutions, which are supposed to be of special interest for DNA transcription. In the discussion...

Microfinance in China has entered the phase of rapid development and it has become one of the most important businesses in commercial banks. According to the principals of low carbon economy and the characteristics of farmer microfinance of Chinese commercial bank, this paper designed the performance...

Steering system stability of multi-axle vehicle mainly depends on the system's center of gravity position and the tire cornering stiffness parameters of the bridge. Zero side-slip Angle proportional control strategy is used, after many bridge steering system under arbitrary speed can guarantee system...

In this paper “the plane bifilar pendulum model” is proposed to understand excessive lateral vibration of a suspension footbridge under crowd excitation. We use a plane bifilar pendulum to describe a suspension bridge by considering its structural features, which consists of two strings and a central...

A method based on gas chromatography-mass spectrometry (GC/MS) was developed and validated for qualitative determination of five amides in food contact materials. The five amides are acrylamide, methacrylamide, caprolactam, oleamide and stearamide. The linear detection ranges of the method were 5-100...

Cleaning and disinfection of recirculated air of livestock buildings are a critical factor in the formation of an optimal climate for agribusiness. The modern system of cleaning of the ventilation air does not allow one to analyze the composition of the air environment in the entire spectrum of harmful...

A novel mono-stable 4T-SRAM cell is proposed in this paper. The cell is designed in 65nm LPCMOS process and simulated to find out the linear energy transfer threshold of SEU. T-CAD simulation results show that its LETth for data(1) is up to 41.6 MeV/mg/cm2, almost the same as DICE, and the data error...

The concept of Community-Based Tourism (CBT) has been widely used in many tourism destinations worldwide, and one was found in Patengan Village located in Bandung Regency. CBT is proven as an effective approach to create sustainable tourism. The CBT applied in Patengan Village is organized by village-owned...

Virtual Reality (VR) technology is increasingly becoming an important technology. It plays an important role in our daily life. VR technology in general refers to a computer technology that enables the creation and experience of virtual worlds. It has a wide variety use in the fields of education, entertainment,...

In order to analysis the vulnerability of underground deep foundation pit construction system and improve the safety level of underground deep foundation pit construction. Firstly, based on the vulnerability theory, the concept of vulnerability of underground deep foundation pit construction safety system...

This particular narrative study describes two science centres in the east of Java-Indonesia, popular as Infinite World and Fun Tech Zone as Technopark. The study utilises the document analysis, literature study from relating references, observation results and the authors’ view. This paper also explains...

Information is spread quickly in today's tech-connected communication network and we want to know more about the communication networks' relationships. In this paper, an improved scale-free network model of social communication is introduced to simulate the evolution of social communication networks....

Rutile TiO2 white pigment was produced by using low concentration industrial TiOSO4 solution as raw material via short sulfate process through self-generated seeded thermal hydrolysis route. The aging time and F value have significantly influenced the structure and pigment properties of rutile TiO2 white...

Half-Crank Internal Combustion Pump (HICP) is a new type agricultural power machine converting indicated work into pressure energy, whose crankshaft comprises only half a crank, reciprocating inertial forces of cylinders can entirely counteract each other, the structure is simple and compact, the route...

The ultrasonic imaging method takes advantage of the technique of multichannel pulse echo, continuous plane monitoring scanning can be achieved in a single region, and no couplant is required. The experimental investigations on using the ultrasonic imaging method to detect the defects in the bottom joint...

In the process of finite element analysis about space truss structure, the problem of plane node must be dealt with. Generally, there are four methods about plane node, void- rod element method, removal freedom method, adding virtual spring method, method of beam element. In this paper a new treatment...

The graphical representation of the UML class diagram does not have a clear semantics, so that it is unable to auto detect the semantic errors in the model. To solve this problems, somebody provides a tools called description logic CATSbqr,which can transports the class diagram to CATSbqr knowledge base,...

the electric vehicle industry in our country is developing rapidly. However, in terms of the interchange and versatility of charging interface of electric vehicles, the research on consistency detection technology is not enough, which leads to poor compatibility of the interface of charging device of...

Global motion estimation aims at estimating the whole image changes causing by camera moving. This paper presents a global motion estimation method based on Fourier-Mellin and Phase-Correlation. Rotational angle and scaling factor are acquired by Phase-Correlation between Fourier-Mellin transform images...

Combined with the ground-source heat pump engineering in Hefei, a 100-meter-deep vertical u-shaped buried pipe was analyzed, and the experimental study on the heat transfer performance of different operating mode, the unit energy efficiency and the change of soil temperature field was taken under a typical...

In this paper, we propose dynamic programming model for a car rental company in multi-city network to determine the transfer policy in daily operation. In the model, each city faces two types of demand, namely, inter-city and local city demands, where the former refers to a customer pick up a vehicle...

Factors affected drying speed of energy saving and environment friendly water-based self-drying / fast-drying foundry coatings and its regularity changing were analyzed. The results show that the self-drying speed of coating is improved significantly with the decrease of humidity and the increase of...

The varieties and interspecies hybrids of potato selected on the basis of Ural Scientific Research Veterinary Institute Federal State Budgetary Scientific Institution "Ural Federal Agrarian Scientific Research Centre, Ural Branch of the Russian Academy of Science" (Ural national research institute of...

Conducting polypyrrole(PPy) was found to possess potential efficiency to remove F from aqueous solutions. In this study doped with Cl PPyCl/ATP composites were prepared via in-situ polymerization and employed as adsorbent to remove from aqueous solutions. The ability of the adsorbent to remove F from...

For the control and adjustment of the infiltration quality of the magnesium alloy liquid in porous perform, the coupling effect of temperature and pressure should be considered simultaneously. The thermodynamic characteristics of the local region can be adjusted by changing the boundary temperature of...

The millennial increasing interest in green products indirectly affects the existence of fast food, which is previously often associated with something unhealthy. Some fast-food practitioners are now offering several products they claim to be “greener”. However, it is still very rare to launch outlets...

The small-caliber artillery test ammunition is various, high precision in shooting range. But the Chinese domes-tic is still in the method of manual quantitative. In order to improve the accuracy and speed of quantity, re-searched common volumetric quantitative technology, weighing quantitative technology...

This design uses three point convergence type suspension system The upper pull rod adopts the hydraulic oil cylinder to adjust the buried angle, and use rope winding device connection the lower pull rod It can independently adjust the working condition of the equipment. Small multi-function chassis suspension...

As an important connection part of machine and foundation, the machine-foundation interface have a critical effect on the working accuracy and life of whole machine. The machine-foundation interface is generated by two kinds of materials (steel and concrete), a crushed theory of asperity on concrete...

Serve technique plays an important role in the tennis competition, and it’s an important way to score. In virtue of three-dimensional photograph analytical method, this research presents a kinematical analysis on key links of serve technique by Novak Djokovic, the champion of men's singles in 2014 China...

Culture and creative industries (CCIs) have been increasingly integrated into the policy agenda of both developed and developing countries. Design is the most important creative industry for the Chinese mainland. This paper wants to discuss design industries esp. its intellectual property right (IPR)...

The treatment of anion surfactants in wastewater with the electrochemical reactor is studied in this paper. Factors affecting the removal rate were investigated,such as anode material electric current density electrolyse time electrolyte and pH etc.At the optimal conditions of electric current density...

The probabilistic restitution model was adopted by fitting probability functions with Gauss-Hermite method for the integral inlet separator particle trajectory simulation compared with deterministic restitution model and elastic collision model. Result shows that the above three bounce models perform...

The Multiscale Mutual Model Entropy algorithm is presented to quantify the coupling degree between two EEG time series collected at the same time on different scales. We extracted the characteristics of EEG signals from the healthy and epileptics based on the algorithm. The results show that the entropy...

Several SO3H-functionalized acidic ionic liquids (ILs) were synthesized by two-step method, using 1, 3-propane sulfone and 1, 4-Butanesultone as raw materials, respectively. It is noteworthy that the ionic liquid using 2-ethyl-4-methylimidazole as source has not been reported. Esterification of 1-butanol...

The numerical manifold method (NMM) is first proposed by Dr. Shi. The finite cover technology from the mathematical manifold analysis is incorporated into the NMM. Due to the independence of the mathematical cover system from the physical domain, the NMM has unique advantages on the analysis of both...

Based on the theory of nominal damage prediction, the influence of vehicle velocity on fatigue damage is analyzed, and the equivalent coefficient of different speed is proposed. The real vehicle test is carried out, and the equivalent coefficient of different velocity is calculated, and the fatigue reliability...

In order to improve the optimization efficiency, an optimization approach for Manufacturing Process based the Timed Petri Net (TPN) model and Genetic Algorithm is proposed in this paper. Firstly, the Manufacturing Process is modeled with Timed Petri Net (TPN). Then, an improved Genetic Algorithm (GA)...

For improving the reliability of the concerte pump,a reliable hydraulic system is required. In this paper,a new concrete pump hydraulic system was designed to achieve single pump driving multiple load. The proposed hydraulic system had four parallel pump, and ensured that when one pump failured, the...

Along with the development of information communication, the amount of data to be obtained also increases. However, the requirement for high-speed data transmission is far more than the development of data transmission and put forward to a higher demand on high-speed data transmission. So, researches...

In this paper, the cleanser for was prepared using sulfouren, citric acid and sulfamic acid. The performance of the chemical cleanser on corrosion and corrosion inhibition was studied. The results showed that, the rust deposit ratio of the cleanser at the regulated cleaning condition exceeds 95%, and...

In order to solve the problem that the training equipment is few and the training items are single, the students can not connect the learned skills with the actual production of the enterprise ,a new idea is put forward to control the virtual 3D-model with the electronic components such as PLC, relay,...

This article starts from the importance of Internet of Things and cloud computing technology in new generation city bus informationization system, and makes comprehensive analysis on the overall design of the informationization system and the subsystem for the purpose of laying solid foundation for the...

In this paper, we research on the visual navigation methods based on scene modeling and the general environmental understanding. Computer vision's ultimate goal is to fully understand the natural scene, it involves several tasks at the same time, target detection meaningful region labeling and 3D reconstruction...

Insulation dielectric loss of power cable is more obvious in ultra-low frequency than in other frequency band. The insulation dielectric loss effectively describes power cable insulating properties and the DC characteristics of the medium. A new dielectric loss tester is designed, using quasi-synchronous...

a vacancy line defects on the [ ] and [ ] direction; the GaN single-layer terraces defects of GaN(0001) surfaces are studied by first-principle calculations based on density functional theory. The surface energy, charge density, and Mulliken charge population of defect surfaces are calculated, and the...

The application of FRP as a strengthening material in bridges have been widely accepted in recent years. To demonstrate the effectiveness of FRP sheets in concrete bridge decks with no transverse reinforcement, a two-span simply supported reinforced concrete slab with no transverse steel reinforcement...

Feature selection plays an important role in the field of text categorization. The traditional feature selection methods such as information gain(IG), the weight of evidence for text(WET) , feature selection and so on are commonly applied in text categorization. However, the traditional feature selection...

The best condition of hot air-assisted RF-heating treatment Aflatoxin B1 decontamination was 19.05% wb of initial grain moisture content with 80 °C for 20 minutes. Additionally, the RF-heating treatment also had the high efficiency on Aflatoxin B1 decontamination when applied under conditions: 80 °C...

In order to analyze electronically controlled marine diesel engine performance and design reliable control algorithm, According to SULZER 7RT-flex60C type electronic control diesel engine, estab-lished marine electronically control diesel propulsion system simulation model by mean value model. Because...

Authors summarized fermented sausages the origin, development, species and the role of microorganisms. At the same time, we discussed the fermrntation starterculture and its prospect.