Advances in Engineering Research

For the deficiencies of the mature view of current object-oriented simulation modeling of production system, the UMLs of aspect-oriented extension , the Advanced Properties-based UML extension mechanism is completed. in this article from the aspect-oriented modeling point of view, give the cell design...

The paper studies on ecological compensation method for provincial water environmental function zone. The authors analyze the water quality of water environment function zone, identify the characteristic provincial water quality issues. The authors propose water ecological compensation mechanism for...

Detailed accident analysis of a tower failure in Henan was got in this paper. A strain test system was established, location of measuring point was determined at the same time. Long-term monitoring test of the strain value of the 3# experimental tower in the test base of transmission line in electric...

An ab-initio-based theoretical approach was presented to accurately describe phonon thermal transport. Harmonic and anharmonic interatomic force constants (IFCs) are the only inputs required for exact solution of phonon Boltzmann equation, thus the crucial elements required to calculate thermal conductivity....

A superhydrophobic ZnO/C surface with a carbon morphology derived from a wood template was fabricated through a solution immersion process, sintering, and modification by FAS. The distribution of zinc oxide on the carbon substrate surface was controlled by changing the mass fraction of Zn(NO3)2. After...

Aiming at the energy waste problems resulting from the contradiction between energy demand and supply in cement production, an energy demand prediction model based on support vector regression is built. And energy consumption of a cement enterprises in Shanxi cement production line, for example, to validate...

With its advantages of good torque and speed characteristics, high-speed dynamic response, the brushless DC motor is gradually becoming the first choice for electric vehicles. In order to effectively solve the brushless DC motor control problems caused by the non-linear characteristics, so that this...

Scientific evaluation of fashion design is the need of modern design. This research discusses the basic structure of fashion design evaluation system. From the designer's point of view, fashion design elements was divided into core design and extension design, as basic for the establishment of fashion...

The Ying Shan formation carbonate systems is identified 11 kinds of sequence boundary characteristics ,generalized 3 genetic types of sequence boundary and divided into 5 third-order sequence(Sq1-Sq5) to establish sequence stratigraphic framework in Ying Shan formation , Tarim Basin by the integrated...

Based on Weijiadi mine No.2 cross-cut West water storage repairing engineering, through on-site investigation, theoretical analysis, FLAC numerical simulation, field tests and monitoring metheds to study The Supporting Technology for Repairing the Main Roadway in Mine under Complicated Conditions, the...

The absorption rate of CO2 in piperazine (PZ) promoted potassium carbonate (K2CO3) aqueous solution were measured at normal pressure. The temperatures ranged from 323.2K to 343.2K. The mass fractions of PZ and K2CO3 respectively ranged from 0 to 0.03 and 0.2 to 0.3. The influences of the temperature...

A local-park-dominated and service-oriented urban park system would attract proximate use and benefit residents’ life quality. Park planning literature has established guidelines to measure the level of local park services. However, without empirical research evidence, it is difficult to understand how...

Energy management system (EnMS) is the key means of enterprise energy management. As one of the leading provinces in promoting the application and development of EnMS in China, Shandong Province released the first provincial EnMS Standard (DB37/T 1013-2008) in 2008 and had have 1045 enterprises operated...

Image restoration easily smears image edge in unsteady area and produces stair effect in steady area. In order to overcome these shortcomings, the paper proposes a half-quadratic energy functional regularization model (EFRM) and structured Newton iterative algorithm. Firstly, for blurred image by system...

In order to find out the influence to fault based on fully-mechanized sublevel caving of thick coal seam, the software UDEC was used to establish the numerical model. The measuring points were arrangeed on the coal seam roof every 100m to monitor the relative displacement of upper wall and footwall under...

Concrete gravity dam is a common hydraulic structure in order to have a clear understanding for concrete gravity dam in the operating process researching stress and deformation distribution of concrete gravity dam. This paper adopts the universal finite element calculating software to simulate and calculate...

With the coming of information era, cloud computing has become a strong pillar for important management, storage, etc. in modern society development. In people's development course, its application has also been in unprecedented development speed. In the process of this development, through collecting...

The integration of heterogeneous database as the important problem of heterogeneous data integration is catching more and more emphasis by the people. This paper will analyze the character of the heterogeneous database, and propose the scheme and strategy to realize integration of heterogeneous database...

One of efficient and powerful methods for stimulating real networks and tracking motion regulation of networks is to build up some network models. Investigating topological structure of networks and building up network models play an important role for understanding more microscopic and structural features...

This paper presents a comprehensive analysis of Series-Series (S-S) resonant wireless power transfer (WPT) systems through rigorous theoretical modelling, MATLAB simulations, and parametric studies. By deriving key equations for input impedance, output power, efficiency, and reflected resistance, we...

Equipment measurability is a design characteristic owned by each measuring (or testing) device of equipment that reflects its accurate value, reliable data, and the degree of convenience of measurement. Based on the concept of equipment measurability, this article puts forward the new concept of generalized...

Aim at a common situation that Control Equipment of Stage Visual-Effect has been heavy, this paper proposes Stage Visual-Effect Equipment Control System consisting of a mobile terminal based on Android. The system is a C/S structure. The system satisfies basic and major functions. An android terminal...

Memory size occupation and memory access bandwidth are capital issues for high resolution video codec design because of the large scale of data, and the high power consumption especially for wireless terminals. An adaptive and random access-obeyed reference pictures memory compression (RPMC) scheme based...

Power-tapping from ground wire is an ideal method to power on-line monitoring devices of HV overhead transmission line. And the way with bus-like power-tapping coil plays an important role for its simple engineering and excellent lightning protection performance. The key to the PTC way is whether enough...

The effectiveness of A2/O—MBR integrated process has been studied for domestic wastewater reclamation to meet the latest Beijing pollutant emission standards. Experimental results showed that high DO concentrations in the aerobic tank improved CODCr, NH3-N, and TP removals, whereas the TN removal increased...

It is very important to develop concentrator, router, hardware and software of wireless module in networking of power information collection system. In this paper, the hardware and software of module are researched and designed in electricity information collection system based on IPv6 wireless sensor...

For reducing the freezing possibility of water in jet fuel, it is necessary to add a certain amount of anti icing additive in jet fuel before refueling a plane. The jet fuel is a mixture contain of all variety of hydrocarbons and additives, so the online measurement of anti-icing additive concentration...

In this paper, we make a research on a widely-used SAT solver, Minisat, aiming to improve its performance using coarse-grained parallel method on multi-core and multi-platform. Firstly, we parallel the Minisat by mean of OpenMP and test its performance with different threads by running a test set consisting...

The microarray structured surfaces in the nature, such as shark skin and lotus leaf, have good waterproof and anti-friction performances. Besides, the microarray structures above also have good application prospects in heat exchange and biomedicine. Compared to traditional machining with problems of...

Based on four categories of indexes such as intensity indexes etc., this paper combines with actual characteristics of Chinese city, discusses about and builds a green and low-carbon city evaluation index system, and puts forward a set of simple and practical evaluation methods and standards evaluation...

Take-off skill is one of the most important part in half-pipe snowboarding which directly determined the flying height, flying time, even the quality of motion. Study on the kinematic parameters of take-off stage of some master-standard athletes for the purpose of researching on the factors influencing...

Because of the complexity of transformers construction, internal voids in the insulation seems inevitable when fabricating, which would cause partial discharge (PD). Therefore it is of great significance to monitor the PD to study in which condition the PD will make the insulation degradation and whether...

With the continuous development and application of information technology, the continuous construction of digital campus and intelligent campus project in colleges, the number of data stored in the college campus environment has increased dramatically, and a big data environment in a college campus has...

Natural silk fibers were used as the template to synthesis biomorphic Fe2O3 fibers. Silk fibers were first immersed into a Fe(NO3)3 solution and then sintered in air at high temperatures to produce the final Fe2O3 fibers. Their microstructures, phases, and synthesis process were analyzed. The results...

In transmission towers,ordinary galvanized bolts are widely used to connect angles,the connection properties determine the slippage at the nodes.The node connections are assumed to be rigid or hinge in traditional analysis and design of transmission tower,which make the status different from the real...

The absorption rates of CO2 in diethanolamine (DEA) promoted potassium carbonate (K2CO3) solution at normal pressure with temperature ranging from 343.2K to 363.2K were investigated. The mass fractions of DEA and K2CO3 respectively ranged from 0 to 0.02, and 0.35 to 0.40. The results revealed the effects...

Switching function is a powerful tool for the research and performance optimization of converter, including voltage source converter, current source converter (CSI) and controlled PWM rectifier (CR). The paper proposed converter simplified model based on switching function, theory correctness compared...

We can get conclusion from experimental effect comparison of electrostatic spray and general pressure spray that electrostatic spray can reduce droplet diameter and narrow droplet spectrum scope as well as increase droplet evenness; influenced by electrostatic absorptive effect, droplet coverage rate...

Annealed SAE 52100 steel samples with different spheroidized microstructures were austempered to produce a bainitic+martensitic duplex microstructure. The effects of the spheroidized microstructure on bainite ferrite (BF) nucleation during austempering were discussed. Results show that the proportion...

Optical current sensor has a wide range of applications. The main factors that affect the practical process of optical current transducer (OCT) are the effects of birefringence, temperature and long-term stability. Optical current transducer (OCT) with thin slice type sensing head is designed in this...

Inverted siphon is a common conveyance structure in order to have a clear understanding for stress and deformation distribution of inverted siphon structure, researching mechanical characteristics of inverted siphon structure. Precast inverted siphon has advantage of quick construction speed, easy control...

Fuzzy reasoning algorithm is the key content in fuzzy logic research, and is also the basic theory in fuzzy control. With the deepening of the research, currently a lot of fuzzy reasoning algorithms are proposed and applied in electrical appliances and many industrial productions. But its basic research...

Homogeneous aqueous suspensions of graphene have been prepared by chemical reduction of graphene oxide in the presence of poly(3-aminophenylboronic acid) (PABA) in alkale solution. The graphene sheets in thus prepared suspensions can stable several months and can be switch to aggregated state with lower...

The single point incremental Forming is a versatile process with a good future for the products of mass customization. The process eliminates the design and manufacturing of a die, which is also unique for each and every individual part. The incremental forming operation can be done using a Computer...

Marine energy generation systems have gained extensive attention in the past decade. The greatest advantage of tidal current energy over other marine energy sources is its lower dependence on the weather. Tidal stream generation system consists of an energy capturer, a shaft, a gearbox to reach a high...

The perovskite cathode material of SrFe0.9Sb0.1O3- (SFS) was prepared by glycine-nitrate process (GNP). The SFS oxides sintered at 1150,1200 and 1250 §C for 10 h were crystallized into a single phase perovskite structure, respectively. The effect of sintering temperature on crystal structure, conductivity...

Because of the non-uniform cluster-head election in the classical clustering algorithm, some nodes maybe exhaust energy prematurely so that it is not fit for large-scale wireless sensor networks(WSNs). In this paper, a distributed clustering routing algorithm based on fuzzy weight attribute degree(FWAD)...

The development of new energy auto in Yichang can give full play to the cost advantage of’ capital of hydropower’.Using the‘parallel import policy’and adopting CKD to organize production can rapidly cultivate production conditions and consumption market. Under the restriction of high standard emission...

In the process of phase estimation of digital signal, windowing will cause the problem of spectrum leakage. In view of this problem, this paper studies the solution of using appropriate window function to reduce spectrum leakage. And then analyzes the influence of different window functions and window...

The complex {[Cu(C9H8O4)(DMSO)2(H2O)2]·(DMSO)2}n (C9H8O4=2-Methyl-1,4-benzenedicarboxylic acid, DMSO = dimethyl sulfoxide)was synthesized by reaction of Cu(NO3)2·3H2O. The crystal structure of the copper(II) complex has been determined and studied by X-ray diffraction. The complex is monoclinic, space...

At present, a large number of professional diesel databases and systems could support all kinds of unified management and retrieval applications based on the diesel research data, but the actual working environment exists three problems: (1) Data scattered in different databases and not conducive to...

In the design of switching power supplies of high power factor in communication devices, high-quality PCB board design is the most significant aspect in solution to electromagnetic compatibility and reliability of the entire system[1]. The article introduces the principles and methods of PCB board design...

This paper studied the dynamic relationship between China's carbon emissions and economic growth from1960 to 2009. The results indicate that as the economy growed, carbon dioxide emissions has increased steadily since 1960.The use of environmental Kuznets curve model to simulate the relationship of per...

Quality monitoring is a critical way to ensure quality of missiles and is valid guarantee for capability of missiles. The paper studies the constructive problem of a system of systems of life cycle quality monitoring for land force strategic missile in terms of the characteristics of missile equipment....

When conformance testing of distributed network protocol, there exit controllability problem and observability problem in NP-FSM model described distributed test system. Based on the detailed research of the distributed test system, this paper proposes a single input / single output, single input / multi...

The 3/2 unidirectional glass fiber metal laminates were developed using LY12-M aluminum alloy and HS2 high strength glass fiber prepreg by the hot pressing and curing progress. The fatigue crack propagation tests of LY12-M aluminum alloy plates and unidirectional glass fiber reinforced aluminum laminates...

Audio feature extraction is a very important technique in the field of sound processing. It extremely impacts the effectiveness and correctness of sound recognition, sound verification, etc. It is a computation intensive stage in the whole sound recognition process, which is a challenging for acceleration....

The development and application of industrial robots is the inevitable trend of the social development of science and technology in 21 century[1].This report mainly describes a new humanoid biped robot based on STM32 SCM and sensor system.It is characterized in that the structure is light through the...

CFRP is widely used in the area of reinforcement because of its many advantages, but ordinary methods of past can not give full play to high-strength properties of CFRP.Therefore, new technology of concrete structures strengthened with prestressed CFRP emerges as the times require. At the same time,the...

Armored equipment is an important component of the army, armored equipment scientific research is the main way for equipment support. Modern war with the advanced nature of the armored equipment, reliability, security and protection are also put forward higher requirements, improve the quality of armored...

This paper analyzes the "fishing vessel with a diesel-type spectral identity management measures" to implement the former fishing diesel chaotic management Phenomenon, through the Ministry of Agriculture announced 570 fishing boats with diesel-type spectral data analysis, with power, speed is statistical...

This paper presents the analysis of multilevel technology for electric vehicle BLDC motor Drive. The topology of multilevel inverter including three-level, five-level and seven-level inverter are discussed, and the general method of SVPWM for multilevel inverter are given. Based on the proposed vector...

The rise of electric vehicles (EVs) has transformed the automotive industry, offering an eco-friendly mode of transportation. However, the success of EVs depends on efficient and reliable battery charging systems. With the global shift towards electric mobility, the demand for advanced charging tech...

Enzyme immobilization is a potential technology for many different industrial. Alkaline protease (AP) microcapsules were prepared with sodium alga acid (1.47%), AP (0.78%) and anhydrous calcium chloride (2.93%). The mixture was placed for 1h and the encapsulated rate of microcapsules achieved 96%. The...

Although in situ denitrification has been well documented in landfills, few studies have paid attention on the denitrifier in landfills who dominates this process. In this study, a strain P-1-5 was isolated from landfill by Pseudomonas selecting medium and identified as Pseudomonas stutzeri by 16S rRNA...

Arch dam is a beautiful engineering structure, it has good mechanical properties, it is widely used in water conservancy engineering, in order to have a clear understanding for mechanical characteristics of arch dam structure. Using the finite element method for concrete arch dam of shuangchong reservoir...

The article provides detailed and accurate design basis for building plan, studies a new theory and technology for the designers by researching from the spatial essentials to mathematically logic of spatial configuration and by using the method of spatially quantitative description, such as convex space,...

The hot spring resources of Heyuan are very rich. In recent years, the hot spring tourism development is quickly. But there are many problems in the development process, For example, hot spring development pattern is similar, lack of cultural characteristics and brand effect. In addition, staff quality...

In the process of infrared thermal image segmentation of distribution equipment, efficiency of the segmentation is low; it is easy to appear the over-segmentation phenomenon and cannot better segment the anomaly region of infrared thermal. To solve this problem, starting from the basic principle of the...

Facing the problem of the difficulty to sort the radar signal under the complex battlefield environment, this algorithm can sort the unconbentionality radar signal of jittered PRI or staggered PRI in real-time effectively with high-accuracy, using the principle of Set Pair Analysis and taking the entropy...

Meta-algorithm in GIS system changes the single and fixed mode of mathematical model creation in GIS system, which adapts to the new development demand. This paper focuses on analyzing mathematical model library system and GIS mathematical model library system under meta-algorithm, classifies models,...

Based on AMESim, this paper focuses on the modeling and simulation of a particular bus. Setting a certain speed for the bus, and then take braking. Through analyzing the process of braking energy recovery and launching of the bus, a series of simulation curves are obtained. And then, it is concluded...

In the background of energy saving and environmental protection, the lightweight of automobile is the goal of its development .The use of ultra-high strength steel as the structural parts and safety parts of car body is to ensure the lightweight of automobile under the premise of ensuring the safety...

In this paper, the DSTFT algorithm is optimized from the point of view of improving system demodulation speed. For the sliding windowing process, this paper gives two fast implementation schemes of DSTFT - recursive and code-sliding. The recursive algorithm of rectangular window and all - pole window...

In order to increase the crack monitoring sensitivity of a rosette eddy current array sensor, a crack-monitoring system was established, and an equivalent sensor model was developed by COMSOL. Then the influence of the sensor's topology on its sensitivity was investigated. The results indicate that the...

A network topology is how computers, printers, and other devices are connected over a network. It describes the layout of wires, devices, and routing paths. Essentially there are six different common topologies you should familiarize yourself with: Bus, Ring, Star, Extended Star, Hierarchical, and Mesh....

Using the UG software, the new type arc tooth synchronous belt and pulley solid model are created. In view of the synchronous belt and pulley transmission belongs to the multi rigid multi flexible coupled hybrid multi body system dynamics problem, carry out the flexible treatment of synchronous belt...

Urban parks are one of the important parts of public infrastructure and have the function to improve residents quality of life, therefore, one of the primary issues in urban planning is to ensure to meet residents demands for the quantity and spatial distribution of parks. In many cities, some localities...

The present work reported and discussed the results of investigation of employing nano-ZnO and general ZnO (AR grade) to prepare Ni0.15Cu0.35Zn0.5Fe2O4 ferrites. The samples were prepared by using conventional ceramic processing route and sintered between 1150-1250oC. The comparison of sintered samples...

The phase composition of raw coal in Liupanshui Dawan coal mine was analyzed by XRD, and the Hg content of raw coal was measured by atomic fluorescence spectrometer. The results showed that the Hg content in the coal increased with the ash increasing, which indicated that Hg had a certain inorganic affinity....

With deep-processing material of surface resources as soil substrate, the experiment of soil spray sowing was carried out on expressway slope. The results show that taking surface soil of fine particles and compost product of surface organic plant residue as the main soil substrate for slope soil spray-sowing...

The original image from infrared image system is low contrast and bad display. The parameters of typical linear transform arithmetic are achieved by experience. This paper proposes a new piecewise linear transform arithmetic based on histogram statistic and describes the architect of the hardware design...

In vehicular ad hoc networks, the typical problem broadcast storm always happen when vehicles are usually located quite densely within the range of radio transmission. In the paper, a novel emergency message broadcast game is proposed and the game takes nodes’ density and link quality into account,...

As a renewable energy, ethanol from lignocellulosic biomass has developed technologically in many ways. Effective pretreatment can enhance the enzymatic saccharification of cellulose by removing lignin and hemicellulose from raw material. Different alkaline pretreatment technologies were studied to find...

Dietary fiber obtained from mango peel (MPDF) by fermentation with lactic acid bacteria and ultrafine grinding was treated by dynamic high-pressure homogenization (DHPH). And the effect of DHPH conditions on composition and physicochemical properties of mango peel dietary fiber was investigated by determining...

Bifurcated pipe belongs to complex spatial structure, and when it bears the inner and the external water pressure, the bifurcation structure enters in complex stress state. Dongjiang Hydropower Station is located upstream of the Xiangjiang River tributary in the southeastern territory of Zixing, Hunan...

To deal with the signing key exposure problem in fuzzy identity-based encryption systems with AND gates on attributes, we propose a fuzzy identity-based key-insulated encryption scheme with AND gates on attributes (FIBKIE-AGA). Our scheme is provably secure. Our scheme is (N-1,N)- key-insulated and strongly...

With the continuous development of Web technology and the sustained popularization of the Internet, the security problems of the Web has been attracting more and more attention from the network workers. According to the OWASP (Open Web Application Security Project), XSS (Cross-Site Scripting) has been...

This paper proposes an improved PI control strategy for series-compensated wireless power transfer (WPT) systems to achieve robust constant-voltage (CV) and constant-current (CC) outputs under dynamic load conditions. The control framework incorporates a frequency-domain optimization algorithm to mitigate...

The present research aims to identify the critical issues of plant inefficiencies caused by plant wastes and safety issues. The study was conducted at a medium-scale cement refractory manufacturing special application cement. The research involved waste identification, waste analysis, and waste elimination...

A novel approach to organic-inorganic asymmetric particles through the co-assembly of block copolymers (BCs) and magnetic Fe3O4 nanoparticles (NPs) in solution is demonstrated. When 11-mercaptoundecanoic acid (MUA) modified Fe3O4 NPs and an amphiphilic block copolymer polystyrene-b-poly (2-vinylpyridine)...

Molecular Communication as the most potential methods to solve the communication in nano scale, for its derived from nature, and it becomes more and more prevalent. Though molecular communication happens in three dimensional situation, there are also some situation that are in the one dimensional situation,...

To integrate DIgSILENT/PowerFactory into the core computing tool of the high-level application platform for dispatching operation and planning analysis, this paper studies the automation technology of importing online grid models to DIgSILENT and exporting calculation results to DIgSILENT. Based on IEEE9...

The teaching resources in grid environment is distributed, heterogeneous and dynamic characteristics, for the massive teaching resources, resource organization and scheduling model is formulated via the characteristics of grid technology, the grid resources according to the specific rules of unified...

The mathematical model of anti-twist braided wire rope structure is the basis for studying the mechanical problems of wire rope. According to the forming principle of anti-twist wire rope, the structure and dimensional characteristics of wire rope are analyzed. Applying the differential geometry theory...

Based on the analysis of the characteristics of cold metal transition welding technology and the welding problems of the thin plate and dissimilar materials, this paper summarizes its applications in automobile industry. Cold metal transition technology can effectively solve the problems of burn-through...

In this paper, based on the multi-body dynamics simulation software, RecurDyn, virtual prototype model of a tracked mobile robot has been built, and with the RecurDyn interface connected to the Simulink control software, it was realized to build a control co-simulation platform of the tracked mobile...

Electricity metering equipment automatic testing detection pipeline has been widely used in most provincial company of the State Grid in the past two years. Sichuan electric power corporation metering center first developed a fully compatible pipelines, the compatibility of robot is one of the difficulties...

The study discussed the feasibility of CLUE-S model in Panjin in two different scenarios. Results showed that driving forces of land use in the model could simulated the land use in Panjin well, including slope, aspect, distance from river, density of population and so on. In the simulation in Panjin...

The No.4 bridge of Erdos Wulanmulun River city is a steel-concrete composite beam of cable stayed bridge. The Twin Towers bridge with double cable planes, tower adopts steel bridge tower. This paper introduces the design of structural steel pylon pier anchor and computational analysis of the situation....