Advances in Engineering Research

In this paper, a method based on the nolinear Granger causality is used to analyze epilptic EEG and ECG signal. Polynomial kernel function, Gaussian kernel function and sigmoid kernel function are used to map the linear data in low dimensional input space into high dimensional feature space .In this...

The physical model of the bathtub is established in this paper, and by using the differential theory of the water in the bathtub is regarded as the superposition of different temperature of the water layer, secondly, analysis of water bath heat dissipation form mainly has three kinds: the heat conduction...

To enhance the bus operation stability is the key to improve bus service. Traditional evaluation of the bus operation stability always relies on the whole line, the stability of the bus operation at the stops can not be reflected. Besides, traditional evaluation of the bus operation stability drawing...

With the raised performance of advanced aircraft, hypersonic vehicles are subjected to increasingly severe environment. Very severe elevated temperature and high intensity acoustic loads will cause the thin-walled structures of aircraft to respond in a strong nonlinear large deflection vibration, and...

Cane sugar crystallization, which has both heat and mass transfer, is a very complex chemical and physical process. Due to the constraints of technical conditions, detection of crystals is mainly relied on artificial methods with disadvantages of low accuracy and subjective judgment errors. Application...

In this study, CrTiAlN and CrAlN coatings were deposited on the surfaces of M2 high speed steel (HSS) substrates. High temperature ball-on-disc tribometer was used to test the tribological properties of the coatings. The results showed that the surface micro-morphology of CrTiAlN and CrAlN presented...

Network security situation prediction based on historical data is to provide warning in advance with network administrator. However, the current proposed approaches ignores the fact that the original time series of security situation include the random component which is not able to be forecast. Singular...

In this paper, the large finite element analysis software - ANSYS is used to create the model of bridge-crane frame structure. Using ANSYS, we established bridge-crane frame structure of finite element model. Creates the stress and stiffness analysis under different conditions using the ANSYS models...

Compared with the traditional teaching methods, teaching by using multimedia technology is unable to be replaced by other teaching methods, and it also provides wider scope and prospect for mandarin teaching. Therefore, the paper discusses the application and role of multimedia technology in mandarin...

Carbide tools were used to investigate the cutting temperature when heavy milling 6N01-T5 aluminum thin-walled hollow W-shape structures. The results showed that the value of cutting temperature at the area of weld seam or the intersectant ribbed slab was 40-60% times higher than that of cutting the...

In this paper, a method of analysis attention state based on the time series transformed by the improved k nearest neighbour network is proposed. In the proposed method, counting number state EEG signals and closing eyes state EEG signals are constructed into networks by the improved k nearest neighbour...

The paper presents a new type of remote fault diagnosis system of electric locomotive, which aiming at the problems and defects of traditional fault diagnosis technology of electric locomotive. The new system links electric locomotive host with ground repair center by using the mature 4G wireless communication...

This article related to industrial engineering theory in enterprise production management, by way of example describes the basic idea of the method a company truck assembly line balance improvement. Combined with the practical problems in production line system analysis, and put forward the feasible...

Vibration tests on a diesel engine were done in the idling condition, and through the analysis of the test data, the faulty part was determined. Due to the vibration transfer characteristics, the vibration characteristics of the engine oil pump body were analyzed, and the fault related to the oil pump...

Through years of calculus teaching, we found that the students in learning the universal existence question, that is, apply the principle and theory of problem solving, tend to ignore laws and theorems, resulting in incorrect solutions, the author try to this class of problems, summed up, remind students...

Direct load control is one of the key technologies in demand response. Moreover, the security of control instruction and credibility of customers must be preserved in direct load control. Non-intrusive load control was used to simplify the process of customer credibility verification. A privacy-preserving...

In this research, a two-dimension physical model experiment was conducted, which studied the wave force characteristics on steel pipe pile under three different construction stages. The experiment results show that the single pile horizontal force maximum and sub-maximum and total horizontal force maximum...

The aging is a main factor which could influence the rubber damper’s properties of isolating vibration. In this paper, a kind of dampers which was managed under different aging environments were treated as the test structures. The dampers’ property of isolating vibration was studied by experiment. The...

In order to solve the problem of high classifying error in the process of bill fibers extraction, an improved method is proposed for bill fibers extraction based on global statistic decision and local adaptive segmentation. First, locates the suspicious fibers regions in the H, S color space of the global...

To solve the problem of that the existing sound insulation window cannot control the low-medium frequency noise effectively, active and passive noise control technologies are used in the internal and external staggered open channel to broaden the noise reduction frequency range of the existing sound...

Cloud computing as a novel technique which aims to analyze and operate big data and complex computing is playing a significant role in daily life. One important function it holds is the ability of sharing resources that include infrastructures, software, applications, and business processes. Virtualization...

Garment industry development causes increasing competition, the traditional manual cutting has been unable to meet market demand, NC formation becomes the inevitable trend. In this paper, a king of garment tailoring machine control system is designed based on Trio motion controller, the hardware and...

User experience of safety facility is very important, and good experience helps users save themselves better and faster from dangerous situation. To improve user experience of using safety facilities, potential user needs and their psychological states should be focused in design. In this research, fire...

In order to increase the hardware resource utilization of the distributed cluster system, this paper, in combination with network virtualization technology, will put forward a private cloud platform implementation scheme based on a variety of flamework techniques. The scheme can focus the underlying...

This paper studied the epilepsy signal in different frequency bands based on the average phase-synchronization time matrix (APSTM). APSTM algorithm can probe the change in the synchrony of the underlying system with high sensitivity, and be applied to multichannel, nonlinear time series in noisy. This...

Although the Intergovernmental Panel on Climate Change (IPCC) suggests that the net damage costs of climate change towards countries are likely to be significant, it remains a challenge in evaluating a country’s fragility and measuring the impact of climate change, in a less-subjective manner, since...

Bidirectional Reflectance Distribution Function (BRDF) and Bidirectional Texture Function (BTF) are two major methods used to describe the reflectance of light at a surface under different illuminations and different views. However, due to a large number of measurement data, an efficient compression...

Objective: to solve cultivation equipment problems for industrial cultivation of sprout, sprout aeroponics equipment that features vertical cultivation, aeroponics, ozone sterilization, water magnetization, automatic control technology and etc., is designed in this paper. Methods: SolidWorks 3D design...

In order to study the influence of fat layer and environment temperature on the amount of energy lost. We take the natural convection and thermal radiation into account. At this point, the heat transfer of skin surface natural convection and radiation is equal to the sum of internal heat conduction....

In order to study the seismic behavior of SRC-RC transfer column under low-cycle loading, the open source finite element software OpenSEES was used to establish models of SRC-RC transfer column based on fiber model and conduct numerical analysis. Compared with experimental results, numerical analysis...

To improve the quality and efficiency of road roller, Vibratory Roller online monitoring test system of machinery based on LabVIEW is designed. The integrated structure and function of the system are introduced briefly, and the discussion of LabVIEW software design is focused on. The compaction is corresponding...

Based on the safety operation requirements of petroleum special vehicles, a type of multifunctional virtual real-time general observation system is developed on the in-depth study of the well testing principle, on the in-depth study of the well testing principle, which can measure pulling force, tension...

The feasibility of a modified formula for seismic hydrodynamic pressure on pier in deep water in design of highway bridges is discussed in this paper. Several recent results of dynamic response analyses of bridge piers in deep water by various approaches are compared with the values from the formula...

In this paper, the bracket of certain electric equipment was designed by considering the vibration and shock environment. According to the design requirement of vibration and shock, the stiffness of the isolator was set as the design variable. The mathematic optimal model of getting the largest stiffness...

Based on the MapReduce job scheduling technology for design reference, this paper has put forward the maximum satisfaction scheduling algorithm of Hadoop to effectively solve the scheduling problems in MapReduce. The algorithm has tried to modify the original algorithm of Hadoop, configure a satisfaction...

Epilepsy is caused by abnormal synchronous discharge of neurons in the brain, which is the main basis for the diagnosis of epilepsy. Use of complexity theory to study the epileptic signal has become a hot spot. The symbolic transfer entropy can be used as a characteristic of epilepsy playing an increasingly...

Improvement of the level of industrialization accelerates the development of logistics automation technology. The application of palletizing robot is becoming more and more, its flexibility is improving continuously. In this paper, the palletizing robot control system is designed based on trio motion...

In this paper, the static compression overall performance of molded pulp under different temperature were studied by experiments. The moisture content and elastic modulus of molded pulp materials , the static compression on molded pulp products were studied under the temperature of 5 C,23 C,40 C.And...

Focus variation is an optical contact-free method that allows the measurement of 3D surface metrology using optics with limited depths of field and vertical scanning. It was documented in the ISO 25178-6 for the first time in 2010. Based on this method, two categories of typical instruments are described...

As Studying of the current rule engine implementation mechanism, An XML format rules is put forward for the poor ability in the predicate expansion and the rule reuse of the traditional rule description, which can describe of the detail interface information called by entity class in rules, and the improved...

It is of great significance to understand the rule of soil infiltration to develop and better use of land resources or guide the agricultural irrigation. The grass infiltration apparatus is used to test the soil infiltration under different land uses, including grassland, woodland and vegetable land....

As we all know, solar energy resources is almost inexhaustible and the solar power generation technology is environmentally friendly. In this paper, we enumerate five Solar thermal power generation systems, include the solar parabolic focusing system, the central receiver or the solar tower focusing...

Wu Wei was the representative personage of Zhejiang painters. His lightsome ink and wild painting style attracted many people. He then became an unusual talent in painting history of Ming Dynasty. People who read Baqiao Bridge Snow Figure would feel rustle in the air at first, but then would find it...

The origin and simplification of formulas for seismic hydrodynamic pressure in the existing guidelines for seismic design of highway bridges of China is reviewed. Five differences from Japanese specifications that is Chinese guidelines come from, are pointed out. A suggestion to modify the formulas is...

To improve the anti-rollover capability of vehicles under limit conditions, the rollover stability of vehicles in high speed steering was studied; a vehicle dynamics model was built with the software of Carsim. Based on the variable threshold method of yaw rate, an anti-rollover controller was designed,...

The injection of wax pattern and the solidification of the metal are both essential procedures and having the major influences on the final dimensions. However, the main casting process steps and casting geometry affecting the dimensional shrinkage wasn’t quantitatively studied. In this study, dimensional...

The ranking system of granite grindability is very important for high-efficiency grinding key technology. A new method by the combination of Fuzzy Analytic Hierarchy Process (FAHP) method with TOPSIS methods is developed to establish the dependence function and fuzzy relationship. The grindability of...

Aiming at the issues about equipment deployment of chemical reconnaissance in systemic level, the modeling thinking of chemical reconnaissance system is studied based on the ability theory, the simulation and calculation for the equipment application of the specific action-oriented chemical reconnaissance...

The limit of one variable function is an important problem in Higher Mathematics, it is a basic method to study the relationship between the function of variables. This template describes some important method about counting the limit, and gives the solving skills.

To study the static and dynamic performances of lathe bed made of resin mineral composite, a series of finite element analysis by ANSYS Workbench for lathe beds made of cast iron and resin mineral composite are conducted respectively in this article. It is proved by the results acquired from the static...

The multi-walled carbon nanotubes combined with four polymers respectively were used as a sensitive layer of in the monolithically integrated gas sensor array. The multi-walled carbon nanotubes in the gas sensor array were added using a dip coating, and the corresponding polymer was added to different...

A kind of SAM film based on octadecylphosphonic acid was prepared on cast iron and steel substrates by the immersion method. The film was characteristiced by scanning electron microscope (SEM) wettability studies. The result showed that octadecylphosphonic acid formed compact hydrophobe film on the substrates...

With the rapid development of the machining industry, the machining process planning in machinery manufacturing occupies an important position affecting the machining quality. The governor speed control lever is one of the important parts of diesel engine governor. In this paper, we study on the difficulties...

In some special applications of industrial production and aerospace field, the liquid pipeline flow under the pressurized tank is a problem which should be concerned in the design and application of the closed media delivery system [1]. Design Modeler and Meshing module in Workbench is used to establish...

In order to quickly and accurately determine the location and extent of the instability of complex steel structures, the method has been proposed which is to build a full model based ANSYS finite element analysis software and mapping model based add momentum BP neural network to achieve predictive. The...

The redevelopment of abandoned coal mine land and the creation of recreation space in cities are two significant elements for fostering urban more sustainable development. This paper presents an systematic perspective on plan strategy making, and examines how Jingxi ACML recreation system may combine...

A 30 m fabricated prestressed concrete simply supported T-beam bridge uses a pile foundation as its lower structure. Owing to the filled engineering spoil at the abutment side, which is higher than the original ground line 11.87 m, 8 cracks formed in the side of 3 pier columns adjacent to abutment within...

The adsorption of xylitol residue in 200mg/L of Cr(VI) solution at different ionic strength was studied. Results show 97-99% of Cr(VI) can be effectively adsorbed when Ca and Na ion concentration was ten time of Cr, and the adsorbing ratio decreases with the increasing of Ca and Na concentration, indicating...

In this work, a sensitive E-DNA sensor based on avidin modified electrode and DNA-functionalized Au nanoparticle (DFNP) was developed. The DNA-Functionalized Au nanoparticle contained two kinds of DNA, one was hairpin probe DNA with a biotin at the 3’ terminal and a thiol at the 5’ terminal, the other...

With the emergence of cloud era, varieties of data resources, computing resources as well as service resources have been greatly enriched by many existing cloud platforms. Although these cloud resources have brought new opportunities for management information system reengineering, we are still facing...

In embedded Internet of Things (IOT) environment, there are the troubles such as complex background, illumination changes, shadows and other factors for detecting moving object, so we put forward a new detection service method through mixing Gaussian Mixture Model (GMM), edge detection service method...

The magnetic fluid large gap of rotary Sealing structure device of megawatt power motors have been designed, and the experimental of this structure was discussed. The results shows that,when the sealing gap were greater or equal to 0.3mm, the pressure capacity of this structure of high power motor can...

With the rapid development of construction machinery industry, especially as domestic rapid economic and social development of the strong demand for engineering machinery, engineering machinery manufacturing industry is facing pressure from various resources saving and environment friendly requirements,...

The genome sequence compression algorithm based on the distributed source coding technology purely is proposed in this paper. In order to enhance the compression efficiency, the genome sequence is mapped into two binary sources and then they are transmitted into two bilevel images. After initialization,...

Based on the concept of traditional workflow and the thought of SaaS in cloud computing, puts forward a new concept named software service workflow. An application system based on this concept was built for processing marine resources automatic. This system put forward a visual customization interface...

This paper mainly research the relationship between the lithium-ion battery management systems and charging policies and temperature. In the introduction of lithium-ion battery characteristics of the premise, the lithium-ion battery protection methods are described, based on a lithium-ion battery protection...

To solve problems of uneven growth of sprouts due to unevenness of irrigation in sprout production, severe waste of water resources and poor marketability, a sprout tide-type irrigation device has been designed. This device can guarantee sprouts demand for moisture, enable even growth of sprouts and...

To solve the problems of the auxiliary embed in high-speed magnetic levitation equipment, such as can not play the protect role when magnetic bearing out of control, can not absorb the kinetic energy of high-speed rotor and low mechanical precision, a new kind of auxiliary bearing based on flexible mechanism...

The evaluation of standard test blocks plays an important role in nondestructive test, quality of which influences the inspection and production activities. The weak magnetic inspection is adopted, which direct at the common defections including wracks and holes to achieve the quantitative analysis of...

With the increasing of wind turbine unit capacity, heat load of thermal dissipation components of the unit increase greatly. In order to make the unit long-term stably and efficiency operation, the research and development of cooling system with high efficiency and low energy consumption become particularly...

Since the significantly low sampling rate and the determinacy of the measurement matrix, compressed sensing (CS) technique can be used for simultaneous image encryption and compression. However, some problems such as the huge size of the measurement matrix prevent its direct application. We find the...

A entirely corrosion monitoring technology-electric inductance probe sensor technology was introduced in this paper. Its operating principle and probe structure were summarized. Study on the corrosion monitoring technology of the electric inductance probe in betons and bentonites environment. The results...

The limit equilibrium theory is employed to analyze the bottom stability of foundation pit, a method that is used to calculate stability coefficient of resisting upheaval in accordance with deterministic mass property and sliding mode. The deterministic model for the analysis of bottom stability that...

A novel N, N-(4-amino phenyl maleimide) diglycidyl amine (APMDGA) was synthesized from maleic anhydride, 4-nitroaniline, and epichlorohydrin by a few-step reactions via intermediate products N-(4-nitrophenyl)maleimide and N-(4-aminophenyl)maleimide. The chemical structure of APMDGA is confirmed by 1H-NMR,...

Hybrid transmission of doubly-fed wind power plant and conventional power plant is the principal mode of large-scale wind power development and transmission in future, but overall stability of this transmission mode is possibly poor. The paper first analyzes low frequency oscillation of conventional...

Microteaching is an effective method of training teaching skills of normal university students. How to use microteaching to train teaching skill under the environment of information technology to improve the training quality is the urgent research subject at present. The paper analyzes the features of...

In the interference cancellation system, the SAP (Sub band Affine Projection) algorithm is researched commonly, but the step size is given. In order to solve this problem, this paper puts forward an algorithm that can make the step size change with the variation of output error. The simulation results...

In order to achieve the shape finishing and stress reforming of wide stainless steel clad plate after rolling, based on the elasto-plastic straightening theory, combined with the 11-roller straightening scheme, the isothermal residual curvature straightening process is presented. The straightening process...

An approach of fault diagnosis of rolling bearing based on B-spline Intrinsic Time-scale Decomposition (BITD) and Stochastic Resonance (SR) was presented. Firstly, SR was used to reduce the noise of the rolling bearing vibration signal, then the bearing vibration signal was decomposed into several Proper...

Aiming at the problem of large amount of calculation and solving inefficiency when using finite element software to analyze the “whole model” of complex space steel structure, the mapping model method built on the basis of SVM (Support Vector Machine) theory is proposed to reduce computation and enhance...

Melamine can be introduced into environment via various industrial effluents, thus it is necessary to develop suitable analytical methods for determination of melamine in environmental samples. In this work, magnetic graphene oxide (MGO) was synthesized and used as the adsorbent for solid phase extraction...

Considering the errors of the restrictor and the hole in the form of ellipse, the influences of assembly position of annular slit restrictor and the errors value on stiffness coefficient and damping coefficient of hydrostatic guideways are investigated. It is shown that assembly position of the restrictor...

Using the structure, law and dynamic characteristic of function P-sets, the concepts of P-information law and band information law and their generation are given. Then the attribute theorem of P-information, the hiding and hiding theorem of P-information in band information law and the recovery theorem...

The "Compass Navigation Satellite System" is a navigation satellite system built by China, and it is capable of serving the most parts of the Asia-pacific region. Compass Navigation Satellite System is widely used in the field of navigation, in addition to the common applications such as the accurate...

Using sodium dodecyl sulfate/isoamyl alcohol/n-heptane/water as reaction medium, copper chloride as precursor, Sodium boron hydride as reducing agent, aniline hydrochloride as monomer, copper/polyaniline nanocomposite was prepared by the method of inverse microemulsion polymerization. The nano-composite...

Due to the noise and multi-channel room acoustic environment, practical speech emotion recognition remains an unsolved challenge. In this paper, we first study the fractional spaced blind equalizer for speech preprocessing. The noise interference is effectively removed and more detailed emotional features...

Different gestures were identified through analyzing and processing the electromyographic signal(EMGs) collected from the forearm. That in turn was used to control the upper limb rehabilitation equipment. The wavelet denoising was used after filtering the power frequency interference and the normalized...

In order to determining technological parameters of vibratory aging treating for large-sized welding box-section beam structures, kinetic analysis was carried out according to the industrial standard. The natural frequency, vibration mode and the curves of amplitude-frequency were obtained by using Finite...

Section loss and strength reduction of rebar, concrete section damage and adhesive performance degradation between rebar and concrete cased by corrosion of rebar are major factors for reduction column bearing capacity. It studies major reasons for failure of domestic reinforced concrete durability, analyzes...

According to the characteristics of copper belt's rolling process, the roll system's elastic deformation model of Sendzimir twenty roll mill is established, the contact normal stress between the rolls is calculated by using the ABAQUS software and the influence factors of the contact normal stress between...

Multi-angles of facial feature detection is still a challenging research. In this paper, the author proposes a precision head pose estimation method as a condition to improve the performance of regression forests, and decreases the missing rate caused by head deflection. The basic idea is used by locality...

Because of the toxic effects of nickel on human health and ecosystem, it is necessary to detect trace nickel in aquatic environments. A new method was proposed for the detection of trace nickel in water, by high performance liquid chromatography with diode array detection (HPLC-DAD) after dispersive...

A mathematical model is proposed to analyse the optimization method of function chain design solution. In the approach, similarity theory is used to analyse and calculate the Generalized Distance (GD) of two adjacent components in a design solution. The evaluation criteria of sub-functions are used to...

According to the characteristics of multi level and large amount of access of cloud computing services, a load balancing mechanism based on middleware is proposed. The mechanism analyses distributed structure of cloud computing services, and determines the topology and control method of load balancing....

With the quick advancement of the economy and industrialization, human beings have emitted a huge amount of pollutants, so the air contamination gets worse that largely influences the human health, ecological balance and social development. Air pollution, therefore, has become a focus all over the country....

The control rules of fuzzy neural network controller for flexible material path processing tangent following are acquired depending on prior knowledge of designers and experts in previous studies, this leads to the difficulty and error of the preliminary calculation. The paper studies and designs self-organizing...

In the development of today's human science and technology, course content and curriculum system are constantly changing; new concepts put forward frequently; subject border gradually becoming blurred, Course cross and fusion becoming more and more intense in the “Internet+” Environment. Thus, it is...

Main shaft system includes a main shaft, bearings and driving medium. The performance of main shaft system has important influence on the machining quality and the productivity of machine tool. It is the important factors that affect job performance. Main shaft supporting structure, support number and...

Aiming at the special management requirements for maintaining communications lines, this paper develops a remote monitoring system for managing the information regarding the maintenance by considering the condition that maintenance workers from grass-roots maneuvering affiliations are dispersed. Based...

The spatial distribution characteristics of human activity intensity in Libo county are studied in three aspects, including the total distribution characteristics, the distribution characteristics of each township and the spatial autocorrelation analysis based on the calculation of the human activity...