Advances in Engineering Research

Taking Deng Shahe Industrial Zone adjacent to Port control detailed planning as an example, puts forward the concept of lower limit control of plot ratio in industrial land use and upper limit of the greening rate, to ensure the rational and intensive use of land resources, we research conditions of...

Variations in the acoustic emission parameters of normal concrete (NC), steel fiber reinforced concrete (SFRC), and nano SiO₂ fiber concrete (NSFC) with the increase in loads under four-point bending load were studied. Distribution law of acoustic emission signals and its correlations with flexural strength...

In order to investigate the relationship between city and energy, three types of relationship, including relationship between energy and resident life, relationship between energy and urban growth and relationship between energy and environment in a city, was established in accordance with economic theory....

For on-orbit servicing of large valuable satellite, docking ring is a typical and strong component, which is fit for grasping by a space robot manipulator. In this paper, a novel method for measuring the relative pose of partial docking ring is proposed by introducing double-line structured light. Firstly,...

In the visualized network simulation system, both hardware and software resources are partly occupied to run the simulation nodes. And distributed simulation service is required to be provided by multiple physical servers if the scale of simulation network is rather large. In order to solve the problem...

An IoT-based wireless intelligent testing instrument is developed for static load test of piles, and it is applied to a field test in order to measure the axial compressive bearing capacity of a pile, while traditional wired devices are also deployed in the same test for comparison. The comparison shows...

In the popularly used BoVW and VLAD models for image retrieval, feature extraction is easily affected by the color and textures of images. Also, the clustering results of K-means algorithm used in these two models is usually affected by the initial cluster centroids. In order to solve these problems,...

In order to deeply understand the loading characteristics of the subway station and summarize the factors that influence the loading of the structure,we need to adopt the method of simulation to analyze the loading of the structure.The main structure static is simulated in ANSYS using an example of interchange...

In this paper, the method to confirm the sedimentary environments and microfacies of reservoirs of complex carbonate oil reservoirs was illustrated on the basis of cores and logging data. The sedimentary environments of reservoirs are petrographically confirmed on the basis of rock color, sedimentary...

High precision micro displacement measurement framework is fundamental for drilling strain gauges. We try to combine Duffing Chaotic Detection (DCD) method to replace the traditional lock-in amplifier method in drilling strain gauges. Simulation results showed that the DCD method is better than lock-in...

With the development of shipbuilding industry, "Green Ship" design and construction will play the leading role in the future , to keep long-term and healthy development, we must carry out the green shipbuilding, and change the ship models .Environmental problems bring more and more restrictions on which....

Aiming at the problem of network model and analysis of reconnaissance satellite application information system, a modeling method is proposed based on complex network theory and a network analysis method is proposed based on task submap. This paper first defines the composition of reconnaissance satellite...

Many studies on static frequency characteristics have been done yet nodal dynamic frequency response characteristics gain more attentions for the important role frequency plays in power system stability. Influencing factors such as balance power, power shortage and electrical distance are altered during...

This paper's aiming at the standard transformer stage that they don’t have the obvious position for hanging a grounding line. For solving the problem, and develop a kind of special grounding line for the standard transformer stage. The grounding line is the copper mesh structure of three layer hollow...

The observation of the frozen wall cannot be directly monitored, and it is needed to take an effective monitoring system to monitor. This paper presents the application of the one line bus technology to develop the mine ground freezing monitoring system, and the system is introduced in detail. By combining...

Binary translation system, a technique for translating executable binary program, could transform the code operating on a system structure into the command of another system structure. However, in multi-source translation system, the efficiency in floating point instruction translation realized by relying...

According to the energy balance equation at the ice bottom, the ice bottom energy balance system has been given, and the existence and uniqueness of the solution of the system has been proved. The oceanic heat flux is selected as identified parameter and the the ice thickness deviation as the performance...

The quantitative relationships between the calcination temperature and the crystalline characterization, the activity and the expansive properties of MgO expansive agent were explored through XRD-Scherrer formula, the citric acid method and the length measurement method. The results show that, under...

In this paper, structure control effect of joint network rock mass on seismic response of underground cavern is investigated. With discussion of the generating principle of 2-d joint network, five characterizing parameters, i.e. as joint density, joint orientation & its discretization, joint trace length...

Nowadays, because of the environment factors, such as the related legal policy is imperfect and the management of the construction enterprise does not reach the designated purpose and the management of the construction enterprise does not reach the designated purpose, the environmental management of...

In order to suppress the imaginary intrinsic part interference of OFDM/OQAM system in radio channel, a new pilot design approach is proposed. The new design approach can suppress the intrinsic imaginary interference in quasi-stationary channel and reduce the pilot peak power due to sparse data forms....

According to the principle of electric field polarization, we sputtered one or a few silver squares on substrate to strengthen polarization of local electric field in the depositing system of silver nanowires in an ultra thin liquid layer. In this paper, we observed electrochemical dissolving inside...

Jump techniques of five left-side-hitters (who had participated in the China College Volleyball League) are observed and tested by Telemetric EMG testing instrument, Common Speed DV and Synchronizing signal generator. Based on the extensive and interdisciplinary analysis on sports anatomy, exercise science...

An economic operation control strategy of island microgrid based on optimal scheduling of energy storage is proposed in this paper. The state of charge (SOC) and type of microgrid is fully considered in this strategy. In grid-tied island microgrid the energy storage charging control is carried out according...

Fiber Bragg grating temperature sensor has the characteristics of strong anti-jamming capability, distributed measurement which has a good application prospect in all kinds of industrial fields. But in the actual measurement of surface temperature, error caused by temperature gradient caused of the FBG...

Determination of traces of metals in gases is achieved by using a combination of a Pyrex Gas Washing System and ICP-MS methods. A special purge and blank installation is designed to clean the system with purified Helium (6N). Three 125-ml bubbler tubes in series with a 20 ml of nitric acid (~20%) are...

Industrial Control System (in short, ICS) is an important part of state fundamental infrastructure whose safety concerns national economy development and people’s property and life safety. Flaw discovery is the key of ICS defense. If attackers find flaws in ICS and use them for attack, the consequence...

Cleaning problem is extremely important to heat exchangers in industry such as crude oil processing systems because fouling can not only bring the reduction of heat transfer efficiency, but also affect the safety of the system. Common cleaning technologies used in shell and tube heat exchangers such...

The Pastor-Zienkiewicz-Chan model based on the generalized plasticity theory can simulate the main materials of the earth-rockfill quite well. The three-dimensional modeling of a typical earth-rockfill dam was modeled by HYPERMESH and was implemented into the three-dimensional elasto-plastic program...

his paper discusses the problems existing in the use of drop-out fuse: due to wind swing and other reasons, the bonding point of Cu-Al contact is easy to break, which may lead to the malfunction; the actual contact area between under contact and Cu-Al contact in transformer lead wire is insufficient...

People demand for electricity is growing with the development of society. To make the power system can operate safely and reliably, relay technology in China has been very good development. With the development of technology department for the development of relay technology has injected new vitality,...

With the development of large capacity and high parameters of power plant boiler, water wall high temperature sulfur corrosion of coal-feed boiler is becoming more and more frequent. Some of these corrosion even have affected the boiler operation safety. In this review, the domestic research in high...

In order to guarantee the quality, functionalities and characteristics of remanufactured products, the quality-detection is obligatory and important. A research on quality-detection for boom cylinder remanufactured products is accomplished in this paper. Remanufacturing technological requirements of...

Alkali activated concretes possess the significant advantage over the traditional cements on their low footprint. To test the application possibilities of alkali activated concretes, a pilot-scale production of these concretes for marine engineering application was performed at the precast concrete manufacturing...

To analyze the effectiveness of pollutant cap control mode towards pollutant reduction and the improvement of water quality in the section, this paper took the Huangshui River Watershed as an example, with main pollutants COD and NH3-N as the main indicators. And established a water quality model based...

In view of the influence of complex condition on the basic of the accident and caused huge losses, this paper uses the FLAC3D numerical simulation analysis on the foundation stability under intensive rainfall simulation software, to provide a basis for site selection of reasonable support method. Research...

Energy demand is closely bound up with the problem of global climate change, environmental pollution and carbon emissions, which is always a hot issue that the world is paying attention to, especially the energy demand scale is the focus of social attention. Therefore, it is highly urgent to forecast...

The collapsibility has become a key material property to study strength and deformation behavior of loess, which is closely related with its micro structural character. In this paper, the authors firstly obtained simple micro-structural parameters both on loess samples of before and after collapsing...

According to the needs of the practical application in the indoor environment by the wireless localization method with high precision and low cost, an indoor location system based on the SOC location engine is designed, using ZigBee network and RSSI information, we also give the system scheme with the...

A fuzzy comprehensive evaluation model was built to allocate the reliability of production line combined with the actual case studies. The production rate was converted to inherent availability in the calculation. Considering the buffer, we corrected the allocation index. Combined the opinion of relevant...

This paper proposes a sensor dynamic scheduling algorithm of midcourse target tracking. This algorithm increases SNR constraints to optimization function which treats Geometric Dilution of Precision (GDOP) as the scheduling criterion. Firstly, by analyzing the different process technologies of midcourse...

In order to get the change of surrounding rock temperature during hot dry rock reservoir productive process, we used the Transport of Unsaturated Groundwater and Heat (TOUGH2) software to simulate the model which attached surrounding rock to hot dry rock (HDR) reservoir. On the condition that we set...

Shear strength of trapezoidal corrugated steel webs is an important issue for the design of box girder bridges with trapezoidal corrugated steel webs. In this study, a shell element FE model of trapezoidal corrugated steel webs is firstly built for the further analysis of shear behavior. Extensive parametric...

In this paper, we research on the haze development in Beijing-Tianjin-Hebei region. Considering the wind power development is synchronous with haze development in the upstream of the region, we infer that the wind power farm have a significant effect on atmosphere of the lower drift region. First, we...

In this paper, the performance of biological method for the purification of high concentration formaldehyde waste gas was studied. The experimental results show that when the concentration of formaldehyde in the exhaust gas is from 100mg/m3 to 350mg/m3, the removal efficiency increases, and the removal...

In this paper a new permanent magent synchronous motor (PMSM) rotor position estimate algorithm is discussed. The algorithm adjusts the estimated rotor position PI controller, makes the rotor back electromotive force produced by rotor permanent magnet on d axis veins. Compared with other PMSM position...

In recent years, the complex high-rise buildings are increasing.The complex structure and transfi-nite structure often need to adopt the medium earthquake design. This paper first introduces the concept and design method of the medium earthquake design.Then,take a taransfinite frame shear wall structure...

The development of micro devices is mainly restricted by chemical battery. Scientists have proposed the method to collect energy from the surroundings and convert it into electrical energy. This article summarizes different energy management circuit modules systematically and sums up the circuit structures....

A novel photochromic diarylethene which called 1,2-bis-[2-methyl-5-(9,9-diethyl-5H-fluorene)-3-thienyl]perfluorocyclopentene was designed and constructed successfully. In the meantime, its photochromism and fluorescent properties have been discussed systematically. This compound exhibited excellent photochromism,...

With the development of science and technology, for the corresponding "Internet plus" agriculture, this paper puts forward based on streaming media technology "agricultural information service platform" design, introduces the design and implementation of agricultural information service platform of the...

This paper analyzed the content and distribution of Cadmium (Cd) in surface waters in Jiaozhou Bay in 1984. Results showed that Cd contents in the study area ranged from 0.06-0.20 μg L-1, and were meeting Grade I (1.00 μg L-1) in National Sea Water Quality Standard (GB 3097-1997), indicated that this...

Currently, the domestic social and economic development quickly, the grid size is also growing, prospects of power communications brighter. Power communication network is reflected in all aspects of the power of industrial production, power communication applications in the smart grid can effectively...

In this paper, based on finite element (FE) software MSC.Marc, a two-dimensional nonlinear thermo-mechanical coupled model is established to investigate the hot shrink-fit process for the reactor coolant pump rotor-can. By using this model, the limited time and temperature evolution for hot shrink-fit...

Fouling in heat exchangers for crude oil not only increases the heat resistance affecting the heat transfer efficiency, but also enhance the flow resistance increasing the energy consumption and even leading to safety problems. This paper performs a special kind of cleaning ball made of stainless steel...

Noise is considered as the one of the main occupational health and safety concern. When it comes to industry like mining where heavy earth moving machineries were used for basic operations, noise is generated hugely. Numerous previous studies have raised this concern but those studies are limited to...

An excitation mode for magnetic coupled resonant wireless electric power transfer was proposed, and its equivalent physical model was built. Mathematical expressions of transfer power and efficiency were built through analyzing operation mode and time-domain waveform thereof. Energy transfer characteristics...

University campus landscape as a unique cultural space should embody the humanistic value and cultural connotation undoubtedly. In the article, by investigating ten universities in Jiangsu Province and by analyzing the current campus culture and landscape construction, the author set forth the necessity...

This paper puts forward a method for automatic recognition of images on cigarette cartons taking advantage of the uniqueness of the barcode on the carton. It is to solve the mismatch problem between the traditional way of manual rechecking and the high-speed automatic sorting system. Based on the square...

For a class of nonlinear systems with uncertainty, a fuzzy sliding mode control method based on particle swarm algorithm, combined with the strong robustness of sliding mode control with fuzzy control is a good approximation capability, use the quasi sliding mode control make the system tracking error...

Chemically bonded cementitious materials possess the high performance properties and excellent durability. They also have a set of special properties, such as low heat evolution. The study focused on the relationship between concrete mix design and heat evolution. On based on the experimental and calculating...

Permanent magnet synchronous motor (PMSM) driving stable platform directly is often used in guided rockets. Due to the extended state observe (ESO) contained in the active disturbance rejection controller (ADRC), it can estimate the speed of the rotated carrier and the uncertain disturbances accurately...

Although construction stage possesses shart time in building life cycle , comparing to operations period, energy of consumption and carbon emissions concentrated. How to control carbon emissions at the construction stage.After investigating and researching.it summarized 24 main influencing factors.Then...

The effect of enhancement agents on the efficiency of electrokinetic (EK) remediation of contaminated soils has been extensively studied in the past few years. However, the larger scale ex suit EK remediation with enhancement agents has been rarely reported. In this study, medium-scale EK remediation...

Comprehensive geophysical prospecting has been widely used but the theoretical evidence has not been clear by most researchers. The paper shows out a one dimension seismic refraction simulation by ray-trace technology under a one dimension horizontal geo-model. And then using digital filter method and...

With the rapid development of China's economy, advertising has already become the main means of businesses, enterprises and departments to promote their advertising. Using advertising to publish advertising has gradually been widely recognized and accepted by all people. In this context, through the...

In order to explore use the boundary operations to establish topological spaces of rough set, in this thesis the logical reasoning method is used to experimental study on the relationship between the rough set and the topological space, according to the experimental results can reach conclusion that...

In order to obtain all the optimal solutions of multimodal functions as much as possible, a multi peak function optimization based on uniform design is proposed. The algorithm adopts uniform design to initialize the population and ensure the uniformity and diversity of the initial antibody population...

In this paper, based on the 190 monitored city data released by the China National Environmental Monitoring Center in 2018, the optimal scale and factor analysis methods were selected to conduct in-depth research and analysis of urban air quality. The study found that: PM2.5 has a serious impact on air...

The practicability of the neural network is often affected by the network structure, needing optimization. We introduce the genetic algorithm into the simulated annealing algorithm to propose a new algorithm named the simulated annealing genetic algorithm, which combines the advantages of the two algorithms....

We have demonstrated that self-assembled nanofibers can convert into a chiral state influnenced by external stimuli. This helicity convertion of the nonchiral assembly realizes in a reversible way on heating. Notably, this reversible nonchiral-chiral switching is accompanied by a transition between extended...

At the two embedded solid depth, research on the displacement, bending moment and shear stress of micro-pile composite structure have been studied based on the FLAC3D program. Results show that: micro pile maximum bending moment occurs in the vicinity of the sliding surface, the maxi-mum shear stress...

Based on investigation data on petroleum hydrocarbon (PHC) in June, July, September and October 1980 in bottom waters in Jiaozhou Bay, we analyzed the content and distribution of PHC. Results showed that PHC contents in June, July, September and October 1980 in bottom waters were 0.028-0.147 mg L-1 and...

Thermal power enterprises as the backbone of China's power industry, which relies on the conversion of thermal energy to produce clean electricity, while heat production is an energy consuming process. Implementation of emission reduction is to implement the scientific development and building a harmonious...

With a growing trend of social aging, the issue of “empty-nest” elderly is increasingly serious and children are more eager to keep an eye on the living security of the elderly in real time. In light of the increasing demand on home security monitoring, the real-time performance of existing security...

To the nonlinear model errors caused by the swaying base, unscented Kalman filters and Adaptive Unscented Kalman Filter (AUKF) are designed (UKF) for fine alignment respectively. In this paper, the adaptive estimation principle is introduced into the UKF algorithm. AUKF algorithm can balance automatically...

While fuzzy c-means is a popular soft clustering method, its effectiveness is largely limited to spherical clusters. By applying kernel tricks, the kernel fuzzy c-means algorithm attempts to address this problem by mapping data with nonlinear relationships to appropriate feature spaces. Kernel width...

With the constant development of socialist modernization construction in our country, our country's computer information technology has made effective progress, and makes the world into an information age. People's production and life style experience a series of change. However, with the emergence of...

This paper designed a kind of psychological adjusting feedback control system based on ARM. This system is composed of S3C2410 micro controller and its peripheral circuit. Using the embedded system platform, and discusses when sampling object anxiety and other psychological state automatically to the...

Currently, visual saliency detection has been discovered and widely applied in the field of computer vision and image processing. Recent works have shown that considering human visual system features in image quality assessment will improve the consistence between objective assessment results and subjective...

Wireless sensor network (WSN), which combines the technology of sensor, embedded system and wireless communications, has become increasingly popular and important in our lives. Security is an important issue for WSN. In this paper, we propose a novel method to detect the attacks in WSN. Our method composes...

With the development of the computer, BOW model and SC model are applied to a large number of image classifications, and exhibit excellent performance, which become a hot topic in the field of computer vision. In the paper, we proposed a new framework of dictionary learning. the objective function based...

In this paper, based on the characteristics of the single-layer spherical lattice shell with a zigzag line, a macro program for the parametric design of a zigzag-shaped single-layer spherical lattice shell was compiled using ANSYS software's APDL language. The analysis function of ANSYS finite element...

Elaborated in order to meet the needs of the current hospital information security in this paper.The application of new intelligent information security technology to hospital information security is still very little,the model of intelligent intrusion detection system based on clustering analysis and...

For enhancing the accuracy and rationality of power quality (PQ) evaluation, close value method (CVM) based on the target optimization principle is introduced to symbolize the performance of PQ samples. To tackle with the defect, in calculating close value of PQ samples, that the calculation formula...

As one of 18 national key developing area in China, the traditional water demand prediction methods don’t apply to Gui’an city because of its uncertainties. The paper uses the mathematical model and quota method of water user classification, based on 2012, to discuss the water quota of Gui’an, and the...

Steel production is regarded as a typical multi-stage system given its long process flow feature. In this paper, the quality predictive control features of steel production is studied; a two-phased PSO-SVM predictive control model for multi-stage production is established. In order to solve the model,...

The rapid development of modern economy accelerated the popularity of the car, but also on China's highway construction put forward higher requirements. In order to meet the needs of China's economic development and the rapid spread of the car, in recent years, China's highway construction project continues...

This paper presents a motor fault diagnosis method based on negative selection algorithm. It has the structure of two-level detectors, the first level detector detecting the presence of faults and the second level detector detecting the type of faults. Therefore the first level detectors are trained...

Smart grid is a complete automation system, where large pool of sensors is embedded in the existing power grids system for controlling and monitoring it by utilizing modern information technologies. The data collected from these sensors are huge and have all the characteristics to be called as Big Data....

With the inflationary development of data sizes, the traditional recommendation system the recommendation efficiency of the recommendation system encounters a great challenge. This paper proposes an improved collaborative filtering algorithm. The algorithm firstly implements the clustering operation...

With the increasing use of cloud computing, virtualization has developed rapidly as the key technology. Especially, Docker container technology has become the focus of attention of researchers because of its advantages of easy deployment and high performance. Consequently the research of Docker security...

At present, with the development of society and economy, Transmission and Distribution Project is increasing. Compared with the general construction projects, Transmission and Distribution construction project diversity, fluidity and complexity characteristics. Because of Transmission and Distribution...

Opencast mining is overwhelming in India due to its higher rate of extraction and the higher extension for applying current innovation for augmented production. Opencast mining is the obvious choice for a property with a large area of mineralization exposed or existing close to the surface and continuing...

One infrasonic monitoring network in east-central China is built to study the infrasonic phenomenon caused by spontaneous or artificial events in the atmosphere.Two events of anomalous infrasound waves were recorded at five infrasonic monitoring stations before the Nepal earthquake which happened on...

Influencing factors of electron microscopy spatial resolution and information resolution were reviewed in this paper. The methods to improve the resolution of electron microscopy were discussed from the aspects of choice of electron gun, spherical aberration correction, chromatic aberration correction...

Based on investigation data on petroleum hydrocarbon (PHC) in April, August and November 1981 in bottom waters in Jiaozhou Bay, we analyzed the content and distribution of PHC. Results showed that PHC contents in April, August and November 1981 in bottom waters were 0.028-0.123 mg L-1 and were meeting...

A conventional muffler of internal combustion engine is mostly constructed as a mixture or combination of perforated ducts, baffle or perforated baffle, expansion chamber, etc., and the noise reduction is limited and backpressure is high hence the fuel efficiency is low. In order to solve the problems...

At present, China's economy is developing rapidly, and the problem of traffic congestion is becoming more and more serious. This paper designs an intelligent traffic light system, which can effectively alleviate the traffic inconvenience. Firstly, the paper introduces the whole design idea of the traffic...

Wastewater discharged from printing and dyeing plants on both sides of the Yangtze River seriously threatens the ecological and water security. Direct Blue 6 is a synthetic chemical dye and widely used in textile and dyeing industry. In this study, Pseudomonas aeruginosa HS-DY012 was used as a original...

According to the surrounding environment condition, the rock engineering site condition and the excavation depth, soil-nailing wall as its main form combining with the practical engineering case.the paper introduces the characteristics of the engineering and design soil-nailing wall excavation and check...