Advances in Engineering Research

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...

The problem of target tracking with the delayed measurements is investigated in this paper. In many practical applications, the measurements may be randomly delayed. In these cases, the standard Kalman Filter cannot be used directly to estimate current states. A novel algorithm based on the delayed measurement...

With the development of society and the improvement of people's living standard, the proportion of building energy consumption has increased, energy shortage and environmental pollution problems have become severe increasingly. Based on the importance of energy consumption quota method for public building,in...

The design process of product is a process that uses engineering connection knowledge to assemble each functional unit, and the essence of which is the application of assembly connection knowledge. In the development of assembly design system which based on the knowledge of engineering connection, the...

This paper is analyzing the impact of Curtain Wall technology for high-rise building style from the views of Curtain Wall technical attributes and history restoring. And it will get the intrinsic link between development of Curtain Wall technology and high-rise building style. Art development was promoted...

With the continuous development of urban construction in China, the urban planning and design are also put forward higher requirements. In order to achieve the regional characteristics as possible as, it is necessary to focus on the regional design in the urban planning and design and clarify the urban...

Thermostat is an important part of car cooling system. In this paper, with the fluid analysis software FLUENT, CFD simulation analysis was carried out on the two kinds of thermostat. The distributions of temperature, speed, pressure were obtained by simulation analysis of flow field of thermostat, and...

The energy storage system (ESS) with isolated bidirectional DC/DC converter based on parameter adaptive fuzzy PI control method is proposed to realize the low voltage ride through (LVRT) of the double fed wind power generation system. Firstly, the mathematical model of doubly fed wind power generation...

With the vigorous development of the national economy in our country, the pace of highway construction is more and more quick, various of grades of highway is constructing, the mileage of highway is increasing, and family cars continue to increase, highway in comprehensive transportation system of the...

We fabricate nearly straight silver nanowires with different width by electrochemical deposition, which is possibly applied on nano- scale circuitry in future. The silver adheres to the underlay of the cover glass, with an ultrathin thickness and slick surface, which indicates that the silver deposits...

This article focuses on the study of the difficult demand forecast of emergency supplies during the emergency relief process. To resolve the limit that there are few parameters available in the emergency relief scene, a gray forecast model with fewer parameters inputted is raised for this issue. To start,...

Aiming at the problem of air charging safe, high efficient and energy-saving with pneumatic gas booster ,a constant pressure air charging system was designed to rapid filling respirator ,and the fire respirator`s com-pressed air bottle fast filling station was transformed into air charging experiment...

The current of excavated-in harbor basin are key issues to the coastal engineering and the ocean engineering. In this study, a numerical model was developed to simulate excavated-in harbor basin current field. Results show that, the current field of excavated-in harbor basin is influenced by topography,...

With the improvement of ranging precision, rangefinder has been widely used in industry development. In order to better understand the rangefinder and improve its accuracy. First, we compares the three kinds of rangefinder for advantages and disadvantages, introduces the principle and advantage of the...

A new symmetrical photochromic diarylethene 1,2-bis(2-menthyl-5-(trimethylsilylacetylene)-3-thienyl)perfluorocyclopentene (1o) based on a dithiophene structure has been constructred, and the photochromic and fluorescent properties of 1 were investigated. The results indicated diarylethene 1o showed good...

Development of the national economy, the demand for electricity has grown exponentially, while the power supply reliability play a key role in economic development, so the reliable operation of the grid also put forward higher requirements. Lightning trip is the biggest threat to the power grid, accounting...

Under the background of social changes of Shanghai in the contemporary times, various types of residential buildings appeared and sudden changes have been made in the living morphology.The paper explores the development process of Shanghai residence dwellings according to four historical stages and summarizes...

In terms of the specific manipulator teleoperation mission in space station, we divided the teleoperation task into three stages, and then collected electroencephalogram (EEG) and extracted the power spectrum and the nonlinear dynamic characteristics in each stage. Also, to guarantee the task safe and...

If the temperature of raw meal to feed into rotary kiln is increased from 900 to 1000~1200 , the solid phase reaction and liquid sinter reaction will be significant enhanced, which will help increase clinker production significantly. Through calcinations condition comparison, this paper studied characteristics...

as an important form of petroleum reserve, underground water seal cavern has the advantages of safety and low environmental protection cost. So water sealed underground structure of the site selection is a vital step, this article through to the domestic and foreign water seal the location of the underground...

Industrial networks, regarded as the core of intelligent manufacturing, mostly are implemented to support various monitoring applications in industrial environments. As such, the low-latency and high-reliability are the vital metrics especially under heavy loads. However, the existing conventional TCP/IP...

To improve overall performance of Boot converter, MIT model reference adaptive control (MRAC) scheme was used to control the output voltage. Average model of the boost converter was built and the principle of the MIT MRAC was analyzed. Modified 2nd-order model was used as reference model to improve dynamic...

This article mainly analyses different representations of bridge seismic damage and their causes, discuss mostly the analytic means of bridge structures’ elastic-plastic earthquake response and the design method of ductile earthquake-resistance. In the end, the developing trends of the method in future...

In this paper, firstly, the non-linear longitudinal modeling approach is proposed based on the geometric shape of the typical structure of the hypersonic vehicle as the research object, combined with correlative hypersonic aerodynamic theories, and then local linear models are established near multiple...

Optimizing the energy structure ensuring the reliability of power supply and improving the utilization of renewable energy sources are the primary objectives of micro-grid power planning. This paper takes wind / light/ storage micro- grid as an example , defines the concept of metabolic capacity to describe...

Environmental pollution due to livestock breeding with organic manure input instead of chemical fertilizers (partially or completely) has become a major concern. This study conducted six combinations of pig manure treatments (25, 50, 100, 200, 400 and 800 kg P hm-2) with half of conventional chemical...

With the emerging power system files, new energy development and widespread application of new technologies, new materials, new equipment, distribution network design are facing profound change. Paper around new situation Xia power system development mode, to achieved distributed power, and electric,...

A novel curvelet-based sub-band selection approach for medical image fusion is presented in this paper using the Parameterized Logarithmic Image Processing (PLIP) model. Both MRA and MRI image have different features, in this paper we use the different frequency band selection fusion rules yield novel...

The unsaturated seepage theory was employed to calculate the seepage field of geomembrane faced sandy-gravel dams with different heights. The influences of the location and size of defect on the phreatic line and seepage flux of dam were analyzed particularly. The results revealed that the change trends...

Because of its profound cultural heritage and aesthetic value, Chinese classical pastoral poetry becomes the fertile ground where spiritual home of descendants inhabits poetically. Its artistic connotation has heuristic origin meaning for the tectonic space of the Chinese perspectives countryside park....

Taking large-span rectangular underwater tunnel as the research objective, numerical calculation model of lateral concentrated smoke exhausting in rectangular underwater tunnel was established by FDS. The adaptability of lateral concentrated exhaust mode in tunnels of variable widths is obtained according...

In order to study the effects of shipboard environment on solid motor grain, the ambient temperature in multi-launch containers were monitored. The temperature and stress fields of solid propellant grain under different ambient temperature were obtained using three-dimensional viscoelastic finite element...

In order to get a real-time, comprehensive and convenient monitoring of the state parameters of the electric vehicle, this paper develops a CAN bus parameters analysis system based on LabVIEW. The system, consisting of P-CAN and PC host computer software, is able to collect CAN message which simultaneously...