Advances in Engineering Research

In this paper, a method for the design and implementation of the Internet of Things (IoT) gateway is proposed. First, the gateway platform is built on BeagleBone Black. In the software design of the gateway, wireless sensor network mapping into a virtual device through the Lua scripting language, and...

In order to obtain the image information of go, we use the traditional method to process the image, but the traditional method has great limitation. The accuracy is low, and the external factors can easily affect the processing result. In order to solve the limitation of traditional image processing...

As an important means of communication, Morse has a wide range of applications in life such as medical treatment, radio broadcasts and so on. However, there has been no systematic method for automatic recognition of Morse codes. This paper designs a Morse code automatic recognition system that combines...

China Camellia fruit shell to mechanical machine has not been popular, especially in rural areas, this paper designs a kind of advanced and applicable Camellia fruit shell device, used to make more efficient fruit tea, Camellia fruit hulling machine, which comprises a shell, a cutting mechanism, tie...

The motor is considered as the carrier and driving the precision control of rotation speed of the fuze, which is an effectiveway to simulate the centrifugal environment of the realistic simulation fuze. In order to precisely control the rotation speed of fuze, motor is used as the research object, a...

High speed rotating control machine of fuze can use high speed motor produce effect of rotating centrifugal force under the laboratory environment to simulate the centrifugal force that the fuze received in the flight. The equipment can give a rotating test for the fuze to check its security and dependability.

Target detection and tracking of fire-control radar is the primary task of air defend combat and a key of fire-control system. First, wording process of fire-control radar system is analyzed. Then signal simulation modeling and mathematical modules are proposed. Finally, signal simulation of dynamic...

In this paper, a sliding mode observer (SMO) based on PLL and rotary coordinate is designed for sensorless control of permanent magnet synchronous motors (PMSM). By the proposed SMO algorithm, the control system has a better dynamic performance?And the rotor speed error, the estimated speed, the rotor...

In order to perfectly integrate the Internet of Things (IOT) and big data, the way how big data influences the construction of an open IOT ecosystem was discussed and the significance of big data for the Internet of Things was set forth. Also, the system framework of an open IOT ecosystem with advanced...

This paper mainly studies the effects of monthly production of iron and steel in eight cities in Hebei on the air quality of Beijing and Tianjin. First, this paper uses 10 cities to study whether iron and steel production has an impact on air quality, and the conclusion is that iron and steel production...

This article takes the non-bearing wall cast-in-place process as the research object, making comprehensive use of CFD analysis methods, CAE technology, ANSYS Gambit and Fluent software. the flow field simulation was carried out in the mixing section and the grouting process in the pouring wall process....

To explore the application of virtual experiment in physics teaching, the virtual reality constructivism, hybrid learning theory, interaction theory and the used techniques were analyzed. Then, the whole process of virtual experiment system from the design to the realization was explained in detail,...

Temperature and humidity automatic control system is widely applied in various fields more and more gets the welcome of people, because it can greatly reduce the human resources, and it has the characteristics of highly efficient and accurate. the temperature and humidity automatic control system based...

Under the background of the less connection between teachers and students in universities and the rapid development of the Internet, and according to the needs of students and teachers, the topic was to design and develop university research and academic platform prototype based on Android. First of...

Traffic lights play a significant role in regulating traffic flow. Due to the use of stationary phase and fixed cycle in traditional systems, it is not feasible to adjust the phase time to meet real-time traffic demand, resulting in delays, inefficiencies and other losses for traffic participants. This...

Customized bus, a new-type traveling mode in China, now has become the first choice for part of city residents due to its quality services. However, customized bus in China is still at the initial stage of exploration. Its route design and vehicle scheduling have not yet formed a unified methodology....

Since the lack of traffic control measures, it is necessary to provide the sufficient intersection sight distance to ensure the safety of driving at uncontrolled intersections. At present, the domestic and foreign design standards and specifications concentrate more on the dimensions of square edges...

To investigate the effect of collision parameters (impact area of hood, vehicle velocity, walking speed of pedestrian, pedestrian gait and pedestrian orientation) on the dynamics response and injury of pedestrian thorax by combining the merits of Finite Element (FE) method and analytical method of Multi-body...

The train schedule is the basis of operation organization in urban rail transit. According to the properties of the full- length & short- turn routing mode in urban railway transit, a multi- objective nonlinear mixed integer programming optimization model of train shedule for a single transit line is...

This paper analyzes the risk factors of developing logistics finance business in railway enterprises, identifies the risks from two aspects of external risk and internal risk, and constructs the evaluation index system of railway logistics financial risk. Based on the analysis of BP neural network structure,...

In order to improve the operation safety of road tunnels, a new evaluation method of safety evaluation was proposed. Firstly, the index system was established by comprehensive considering all kinds of traffic safety attribute, including road engineering, traffic safety facility, traffic flow condition...

The Salar nationality believes in Islam, and the clansmen mainly live in Xunhua Salar Autonomous County of Qinghai Province and Dahejia, Baoan nationality and Dongxiang Salar Autonomous County, Jishishan, Gansu Province. The construction of many traditional settlements of the Salar nationality is ingenious...

Indoor positioning is becoming a very popular research direction in recent years. In this paper, we realize real-time trajectory calculation through the fusion of inertial and vision. We have two experiments in different environments and we find that the algorithm's error is below 50% of pure inertial...

On the basis of introducing the development of electrical automation, this paper detailedly analyzes the application of computer technology and PLC technology, which are specific technologies of electrical automation used in the power system. The purpose of this paper is to make people have a deeper...

Study on train over-taking organization of urban rail transit and propose calculation methods of local train's waiting time as well as the length of the cross section. Combining with actual operation of urban rail transit, the effects of departure interval, tracking interval and the maximum operating...

The docking technology of the subsea production system control module (SCM) is a key part of installation. If the docking accuracy is not reached, or poor stability when docking, the butt joint between the hydraulic joint and the electrical joint cannot be accomplished, may also make the subsea control...

With the advent of the age of big dat, the application of big data to predict is a powerful way to solve various problems. However, for the increasingly tense spectrum resources, the prediction of cognitive radio based on big data is an inevitable trend. In this paper, the advantages of big data prediction...

In order to study the influence of the tail of the fitted sample distribution curve of vehicle load effect on the maximum value distribution in the reference period of vehicle load effect, multi-model normal distribution curve, straight line, parabola, exponential curve and POT model based on Pareto...

As millimeter wave (MMW) electronic technologies have matured, MMW receiver research is also in the rapid development which includes front-end and frequency synthesizer. They all needed isolation between RF and DC bias. The good design bias T which can realize high isolation between DC bias source port...

The dynamic pressure lubrication theoretical model of worm gear ZC1 is established, the formula of hydrodynamic lubrication discretization for the calculation of the mixed friction efficiency of circular cylindrical worm and worm pair is achieved and the formula and process for solving the hybrid friction...

It described a control system of 100kV high voltage power supply. It used PC control and monitor the power modules via fiber optic. By testing, proved the control system is a good isolation and provides stability control system. By this way, we can remote control the power modules.

In the modern education platform, there are many problems, such as insufficient retrieval accuracy and single retrieval process, this paper conducts an in-depth investigation and analysis of the features of educational videos, combined with the cutting-edge audio transcription technology and text processing...

This paper introduces fault diagnosis method and its mathematical descriptionthe of fuzzy Petri nets, including the basic concept and rule representation. On the basis of the original fuzzy Petri net reasoning decision, the transition threshold judgment is proposed. This paper presents a fault diagnosis...

For fermentation process large time delay, nonlinear and distributed parameter and disturbance, to combine neural networks and fuzzy control, neural network has the ability to learn, to modify control rules, the proposed neural network controller, realize online monitoring of biomass in the fermentation...

The emergence of Electronic Chart Display and Information System (ECDIS) is a revolution in the field of navigation. With the improvement of ECDIS's standardization and its further promotion, the research of ECDIS in the world is also deepening. On the basis of the understanding of the standard of electronic...

SAR image change detection technology is the two picture in the same area, the different time periods for SAR image detection, quantitative and qualitative analysis of the change area, thereby gaining interest area change a technology of information. SAR image change detection technology is of great...

In this work, a novel controller dynamic linearization based model free adaptive predictive control algorithm (CFDLc-MFAPC) for a class of discrete nonlinear system is proposed. This method introduces dynamic linearization parameters of ideal controller based on dynamic linearization technology, and...

This paper analyzes the influencing factors of earthquake emergency rescue of general aviation in mountain area, the relevant knowledge of operational research is applied, the influencing factors of emergency rescue are analyzed and evaluated by analytic hierarchy process; according to the analysis results,...

Relevance vector machine (RVM), a sparse Bayesian kernel method in machine learning, has been well-known for its sparsity and probabilistic predictions. Like other kernel methods, it use the kernel functions to map the input instances into higher dimensional space for problem simplicity. At present,...

This study aims to optimize the productivity of Tempe producers. Optimization is carried out through engineering research of the soybean machine 3 IN 1 process production capacity of 250 kg/hour to solve the problem of low productivity of stripping, solving, and separating the soybean husk. To guarantee...

The deposition of coatings on the surface of carbon fiber will be helpful to their applications. However, they are unsuitable to be deposited because of their low surface free energies, poor wettability and poor adhesions. The objective of this work is to modify carbon fibers by different methods of...

An aluminum alloy casting process energy consumption model is created, the model to energy activities as the basic activity unit, description of energy consumption by energy conversion device behavior, to fully reflect the constituent elements of the energy system coordinated through the process energy...

Herein, we investigate the hydrogarnet sample by X-ray diffraction and calculated the related garnets included grossular, katoite and hydrogrossular by density functional theory to investigate the effect of silicon composition. The results of X-ray diffraction suggests that the chemical formula should...

Today, information literacy has become one of the essential qualities of every citizen. However, the college entrance examination system in China determines the information technology curriculum in primary and secondary schools in the lower position, which makes the information literacy training of students...

According to the actual demand, there are more and more Persian learners in China. However, there doesn't exist a Persian-Chinese online dictionary of comprehensive and rich explanations so far. This paper designs and implements an online dictionary based on WAMP, which can look up words, phrases and...

In order to meet the problem of motor torque control for plug in hybrid electric vehicle, direct torque control system is designed with Profibus-DP bus and Ethernet communication by using Siemens S7-300 series PLC and MM 440. Structure and control scheme of the system is described. Hardware design of...

Pedestrian is the main traffic participants in the signalized intersection. And its running behavior, on the one hand, will increase hidden danger because of reducing driver's reaction time; on the other hand, it will decrease the time of exposure to the road and reduce the security risk. The study found...

Faced with the threat of environmental pollution and energy consumption, China has put forward the sustainable development policy, and encouraged all sectors and industries to realize energy-saving production. As important energy supply units, power plants should also actively explore an energy-saving...

This study takes fast pattern generating as the goal and takes blouse pattern as the research ob-ject, then raises up the parametric design method based on numerical geometric constraint, and take constraint solving for each part of the blouse pattern, furthermore, this paper uses numerical method of...

Deposits of precious corundum are very rare, since the transparent crystals can be formed only under favorable growth conditions. The most important core sources of precious corundum are marble with ruby mineralization and sapphire-containing basalts. The scholars of T.F. Gorbachev Kuzbass State Technical...

Based on the structure of hybrid vehicle and meshing theory of silent chain, the Hy-Vo silent chain drive system for hybrid vehicles is built. Through performing the noise characteristics test of Hy-Vo silent chain drive system, the noise value and noise characteristics under different rotational speeds...

As the energy consumption and the synchronous control precision of the large metal plate bending machine is undemanding currently, it employs load sensing and pressure compensation technique and constructs the AMESim model of synchronous control system in load sensing hydraulic bending machine, adopting...

As an automotive diagnostic technology, the UDS (unified diagnostic services) protocol has been more and more widely applied. In this paper, a diagnosis system based on UDS is developed and tested. According to the UDS protocol, the software is designed and groups of diagnostic services are implemented....

Nowadays, body data model, as a powerful means for occupant crash protection against impact loads, has been widely used to measure and predict the injury degree of those occupants exposed to the crash or explosion of transportation tools such as cars, airplanes, spacecrafts and ships. The numerical model...

To explore the effects of different soil water potential of tillering stage on rice yield and physiological traits in saline-alkali soil, using four treatment levels of soil water potential of 0 kPa (H1: soil moisture), soil water potential of -15 kPa (H2), soil water potential of -30kPa (H3), and CK...

The one core content of Green mining technology is how to achieve coal mining under water-containing, which means implementing efficient exploitation of coal resources and protecting the valuable water resources in coal mining, and is the trends and requirements of the development in the coal mining...

In recent years, with the development of the Internet and network learning community rapid development, information technology is changing people's ways of e-learning with amazing speed. At the same time, learning trek, knowledge overload problems gradually emerged. Personalized learning recommendation...

The cellulose grafted copolymer was synthesized by homogeneous media grafting 2-(Dimethylamino) ethylmethacrylate (DMAEMA) onto the sugarcane bagasse under microwave irradiation. A homogeneous solution formed with cellulose dissolved in 1-butyl-3-methylinidazolium chloride ionic liquid which the grafting...

The metal-insulator-metal (MIM) capacitors with Al2O3/HfO2/Al2O3 (AHA) and Al2O3/HfO2/SiO2/HfO2/Al2O3 (AHSHA) dielectric structure using atomic layer deposition (ALD) technique have been fabricated. It is demonstrated that the dielectric loss at higher applied frequency and quadratic VCC in high- MIM...

Introduction. In the world the prospective studies have been taking great acceptance, especially in developing countries, as they allow the prioritization and targeting of efforts in research on a specific topic. Objective. Contrast the positions of the key members of 2 Colombian universities about the...

Object To explore the effects of Na+/H+ exchanger regulatory factor 1 (NHERF1) on the phosphorylation levels of Akt1, activity of gelatinase secreted by HUVECs, and expression and distribution of cytoskeleton inside Human Umbilical Vein Endothelial Cells (HUVECs), and to expound the molecular mechanism...

With the development of science and technology, graphene as a material has arrested increasing attention from scientists, and there are more experiments and researches on its application. The project is focused on the imaging technology of atomic force microscopy, which manages to conduct the image analysis...

Good personnel hedge scheme which can reduce the negative effects of urban waterlogging disaster is one of the effective ways and scientific means to improve the level of urban municipal management. Strong randomicity is the characteristics of stormwater runoff route under city extreme weather , this...

The pore pressure test is designed in a dynamic compaction engineering, and the data on dissipation and increase of the pore pressure are gotten. The function of pore water pressure is fitted by regression analysis. The design parameters of time interval between two dynamic compaction can be determined...

A parametric design macro program of five kinds of hyperbolic flat lattice shells was developed by using APDL (Ansys Parametric Design Language) parametric design language.On this basis, hundreds kinds of working conditions of three kinds of hyperbolic flat lattice shells were selected for the change...

The paper proposes a high-accuracy, large-scale robotic visual inspecting system which consists of an industrial robot and an optical scanning sensor fixed on the robot hand. Traditionally, calibration of a robotic visual inspecting system is separated into three parts: Hand-eye calibration, robot calibration...

To ensure safe operation and reduce construction costs, it is necessary to study the mechanical characteristics of V-type composite insulators under windage loads, with theirs wide applications in ultra-high voltage (UHV). User-defined material (UMAT) subroutines are programmed to consider composite...

With the deteriorating climate and the ever-tightening of available resources, green, environmental and low-carbon buildings are more and more emphasized. On the basis of expounding the connotation and characteristics of green building, this paper uses the life cycle theory to analyze the influencing...

Face recognition belongs to the field of digital image, there are many applications. The classical algorithms of face recognition include algorithm of PCA, algorithm of LDA, algorithm of ICA, and algorithm of SIFT which is for robust feature extraction, etc. In this paper, the improved algorithm is proposed...

This study aims at the automatic detection of the ocean eddies from Moderate Resolution Imaging Spectrometer (MODIS) L1B data in the China Seas. First, the sea surface temperature (SST) is estimated from MODIS Aqua/Terra L1B data using the nonlinear IMAPP algorithm. Based on the distribution of SST,...

Abstract. This paper establishes an AIDS model based on the spread characteristics in China, spread from high-risk to general population, through bridge population based on cellular automata. Matlab is used to simulate the dynamic performance of the model, the simulated results are consistent with statistics...

In this paper, a generalization of differential electromagnetic equations in fractional space is provided. These equations can describe the behavior of electric and magnetic fields in any fractal media. The time evolution of the fractional electromagnetic waves by using the time fractional Maxwell’s...

This paper presents a robust and fast algorithm for lane marker detection. It is based on generating an inverse perspective mapping image of the road, computing line abstracted regions and the class points from IPM image, which is followed by a post processing step using rectangular approximation to...

This paper is based on the magnesium alloy in our school laboratory rolling machine as the research object and the servo system model of valve controlling hydraulic cylinder is established, by using genetic algorithms to optimize PID controller design and to control its model. The simulation and experiment...

Nowadays actual scientific problem of renewable energy is the problem of developing control systems, that ensure the generation of stable voltage in a changing environment. This paper presents a structure and methods of synthesis of control system development, which allow to decide the indicated problem....

In view of the practical situation, sometimes there is side error of the comb capacitor through superposition of the deep reactive ion etching (DRIE) process, and these manufacturing tolerances can lead to the movable comb fingers offset. Using the software of ANSYS to explore the electrostatic-structural...

Quick sizing system composed by creel mechanism sizing mechanism drying mechanism winding mechanism and temperature-controlling mechanism. the four notes are put forward. Using this quick sizing system for JC20S, the yarns are tested before and after sizing. The results show that: after sizing, breaking...

The denitrifying phosphorus removal bacteria (DPB) were enrichment using SBR reactor and two stages of training method under the low carbon source with nitrate as electron acceptor. The system was operated under the condition of anaerobic-aerobic-precipitation-discharge for 10 cycles in the first stage,...

the emergence of high penetration of sustainable energy in the power system has increased the demand for faster-ramping units participating in the frequency regulation service. To fulfill the automatic generation control (AGC) and compensate the influence of sustainable energy fluctuations simultaneously,...

This design is a temperature detection and automatic control system based on STC89S52 micro controller for the cold storage. Mainly consists of a power supply, a temperature detection circuit, a system control circuit , actuator, the temperature display circuit, alarm circuit and other parts, using DS18B20...

This paper presents the thermal impact of different bonding architectures in the 3D stacked chip.ANSYS® Workbench™14.0 was used to model the architecture and meshed analysis was conducted. Bonding architectures that evaluated were face-to-face, face-to-back and back-to-back while all the parameters and...

This paper goes through computer vision technology in the application of image acquisition and processing to solve the surface fatigue crack image recognition detection problem. At the same times, this paper studies machine vision technology (AVI) in the surface fatigue crack detection method, its method...

The Inductive power transfer (IPT) systems' efficiency is determined by kinds of parameters. Aim at maximum the power transfer efficiency for Inductive power transfer (IPT) system, the efficiency of four basic topology IPT systems is analyzed. Based on the analysis, genetic algorithms (GA) are used to...

Nowadays, researches of blogs mining mainly concentrate on opinion mining, community mining, blogs recommendation system and so on, with little concentration on personalities mining. How to mine bloggers' personality accurately and effectively from the tremendous non-structural blog texts becomes a difficulty...

Wireless sensor nodes have the advantage of being low-cost easily deployed and of good mobility. However, the significantly high attenuation caused by soil is the main challenge for the communication of between the aboveground node and the underground node. In this paper, experimental measurements have...

This article is based on the practical engineering need of expressway .Study about the mechanical properties of phyllite filler, and then improve the property by using the cement. Testing the original rock phyllite minerals analysis experiment, uniaxial compressive strength test and physical parameters...

Optical phase locked loops (OPLLs) plays a vital role in coherent detection of optical communication systems. To simplify the analysis of OPLLs with complex structure, two different. Simulink models are presented to have a vivid observation of nonlinear BPSK OPLLs. Simulation results show that both balanced...

In view of the low signal to noise ration and the difficulty on de-noising for ECG signal collected under unconstrained environment, a GA(Generation Algorithm) based wavelet method of finger ECG de-noising is proposed after a systematic study of wavelet threshold de-noising and generation algorithm....

The new style composite foundation is composed of the concrete-cored sand-gravel pile, the soil between piles and the cushion. According the work condition under the embankment, and considering the annular drainage section of sand-gravel columns composite foundation, the control equation and analytical...

A fixed-loaded interface component mode synthesis method is presented for carrying out a dynamic analysis for a folding wing. The present method has the advantages of the fixed interface method and loaded interface method, in which the effects of the elastic and inertia force at interfaces are included...

High quality single crystalline VO2(A) nanowires were synthesized by a facile hydrothermal method using oxalic acid as reducing agent and polyethylene glycol 6000 as surfactant. It was found that polyethylene glycol 6000 can effectively accelerate the transformation from V2O5 precursor to VO2(B), and...

The massive adoption of the electric vehicles in the near future with the rapid development of the smart grid shall significantly affair the resident transportation worldwide, while the modeling and simulation are the key approaches in analyzing the effect of the electrification of the vehicles. This...

To explore the type giant invasive pituitary adenomas by frontotemporal orbital zygomatic into the applied anatomy study of the road.Methods: 15 cases of pituitary adenomas in frontotemporal orbital zygomatic into the anatomy of the application of the road.Put the 15 cases of skull in it for fixed and...

In this paper, according to the debris flow problem in the region of karst through fault fracture zone, a test concerning the evolution of permeability for mud rock were carried out. Such conclusions were gained: initial deposition deformation and micro crack closing play a greater influence on the evolution...

This paper proposes a framework for prosody conversion of emotional speech based on LIBSVM support vector regression model and PAD three dimensional emotion model. We design an emotional speech corpus including 11 kinds of emotional utterances. Each utterance is labeled the emotional information with...

There are dozens of anodes work in aluminum electrolysis at the same time. Because of the particularity of anode work and the waving ability of the melt, different current flow through different anode. Spectral characteristics of the current signal are important parameters of internal status changes...

In frequency-domain sounding, "false extreme" phenomenon often appears in the apparent resistivity curve. Previous investigations focused on the subject without considering strata information containing in false Extreme. The use of false extreme effect is a new attempt to explain data. This paper analyzes...

On the breast wall of a vertical breakwater, the measured wave forces have large deviations from the calculated values according to the current standard as a result of overtopping. In order to explore the reason of this deviation, the wave forces on vertical breast wall with overtopping have been measured...

In the view of the anti-peaking characteristics of wind power, the electric power companies and the users were selected as the object to study and formulate reasonable demand side hourly price mechanism and the demand response model was established based on dynamic game time-of-use price. Proposed model...

Based on a large turbine-generator foundation in the actual project, dynamic characteristics of 1:10 model of this foundation are obtained from modal analysis of the random excitation method. Natural frequency,mode shapes and damping ratio of the structure are acquired. The results of basic vibrating...