Advances in Engineering Research

In the determination of a reliability life model in 3-parameter Weibull distribution, there was large error and inefficient problem in parameter evaluation. Firstly, the maximum likelihood equation was made. Then the deficiency, lied in steps of using traditional genetic algorithm to solve the maximum...

Life and work often need to maintain the working fluid temperature constant within a container, such as bath in the bathtub. This paper develops a model of water temperature variation to determine the optimal strategy to achieve the goal about temperature maintaining. This paper devises three schemes...

In this work, we present a Graphics Processing Unit (GPU) accelerated Runge-Kutta exponential time difference (RKETD) method for parabolic equations with stiffness based on CUDA (Computed Unified Device Architecture). In the proposed method, the cuFFT library developed by NVIDIA is employed to compute...

As robot application technology widely and advanced skills, robot assembly, welding, spraying and other work is farther, more and more sophisticated machine makes its internal parts becomes more and more complex, application independent positioner is also more and more broad, independent robot and positioner...

In view of the problem that the test of spike signal in the power line is difficult to capture, and based on the theory of time - domain analysis of dynamic circuit, the influence factors of voltage spike test by using the maximum value of traditional multi - random test are studied. By means of the...

In this paper, the detection method of pulse delay generator 81134A triggering delay parameter is studied. Based on the different types of triggering delay output and the technical index, different measurement methods based on sampling oscilloscope, digital broadband oscilloscope and counter are designed....

This paper using the BP neural network model to predict the load of power system. This paper takes weather element into account, quantifying the weather element and making them as the input variable. According to the contrast to the predicted model without considering weather element, the results show...

This article is based on aesthetics, sociology, environmental psychology and design psychology theory, study subjects in public space public seats, the survey found that the current public seat design is too common, and some of the artistic taste of the occasion with the public seat does not meet this...

Masonry structure is the structure type that used most widely. However because of the structure characteristics and many other reasons, the seismic capacity of the masonry structure is relatively poor. It is greatly helpful to improve the seismic resistance of masonry structure by reinforcing structures...

When the driver of the expressway enters the tunnel, if the entrance lighting brightness settings unreasonable, the driver experienced drastic changes from the high-brightness environment outside the tunnel to the low-brightness environment in the tunnel, easily lead to driver visual obstacles, so that...

Active safety and passive safety technology have been developed for many years in foreign countries. According to the studies by some foreign authorities, pre-crash seat-belt can protect the occupant in collision more effectively, and reduce the injury during the accident greatly. In this paper, sled...

This thesis briefly introduces the role of the supervisory control platform of unified time system of survey vessels, and studies thoroughly the design and composition of the supervisory control platform, and then finds out the existing defects for which the cause is that to avoid the interplay between...

In recent years, the technology of Internet of things has been paid more and more attention, and its application has become the focus of attention. It is necessary to provide strong technical support to meet the needs of social and economic development. This paper briefly introduces the concept of networking...

The importance of the compiler is unquestionable. In order to better guarantee the correctness of the compiler, this paper presents a compiler testing approach based on generalized equivalent substitution. This approach tests the compiler by building a large number of equivalent assemblies. It can produce...

In order to improve the efficiency of the functional test, the dynamic test tase prioritizing algorithm is designed, which is used to optimize the execution sequence of the test cases. In this algorithm, 4 factors which are related to the software function are used to calculate the priority of the use...

Intrusion detection technology is a kind of active security technology of computer network, which can detect all kinds of malicious attacks in time and respond to the network system. It is a reasonable complement of traditional security technology, such as firewall, is a new network security technology,...

Computer assisted instruction (CAI) is a kind of modern teaching technology, which has been paid more and more attention by people. Computer assisted instruction is the use of computer as the main teaching media to carry out teaching activities, not only the use of computers to assist teachers in teaching,...

On the Internet, text is the mainly form of information generated by users, analyzing the text can get a lot of important information. Therefore, the text analysis has become an important means of dealing with text data. In this study, R is an open-source software, could be used to analyze users of sina...

Aiming at the informatization requirement of production process management in traditional machinery manufacturing enterprises, an integrated control platform for production process is developed. The platform includes production process modeling, real-time monitoring of production process and production...

This paper use rule modeling to simulate the damage of masonry structure in the earthquake on the cityengine platform. Meanwhile this paper discussed the method that how to simulate the damage of masonry structure more actual on the city level. Compared with the existing simulation of earthquake damage,...

This paper has improved the traditional interference matrix, with joining the information of robotic assembly resource, which is used to search for the optimal assembly sequence. We have given a processing method of interference matrix containing the resource of the robotic assembly, which includes the...

Depending on the displacement and orientation between point clouds, the registration of scattered point clouds is offten divided into two steps: crude and fine alignment. An approach of point cloud classification based on point feature histogram was proposed in this paper. We propose a method of establishing...

Long lines emerging recently at American airports incurred sharp criticism for the TSA, how to solve the problem becomes a concern both for the TSA and passengers. To explore the flow of passengers through a security checkpoint, propose some measures to modify the current process and some advice for...

With the rapid development of science and information technology, computer and network technology have made jumping progress, which not only speeds up the global information, but also brings more serious information security issues. Information network security has become a new term, which is related...

The paper, to explore mechanical properties of magnesium alloy and ceramic coatings by micro-arc oxidation, through measurement of tensile modulus of elasticity of magnesium alloy matrix, three-point bending method to measure the elastic modulus of the ceramic coatings. The results show that: can get...

In This paper, the relevant research is carried out about seabed sound reflection . It has influences on the test results of the real-boat test based on the acoustic holographic technology. The effects of seabed reflection on underwater acoustic test is analyzed, through simulating sound field of free...

In the applied process of robot off-line programming technology, it is necessary for the model to solve the correction problem which is between the practical working and off-line simulational environment. Robot coordinate system calibration method is proposed by measuring workpiece coordinate system...

Computer and Internet technology have been widely applied in the elementary stage of English study in Chinese universities. However, how to exploit the advantages to promote ESP course teaching reform remains to be discussed. This paper aims at the major issues existing in ESP curriculum teaching and...

The new round of industrial revolution featured with industry 4.0 is the important opportunity of industrial development. Under the new normal state, driven from the factors and investment to the intensive development under the driving of innovation, combining with the new trend of new industrial revolution...

In recent years, there is a public concern over integrity of state examinations in China. In fact, the efficient operation of examinations is built on faith and integrity. Nowadays, the main reason for anomie of national examinations is the alienation of the main purpose of the examination, lack of severe...

Recently open innovation practice in SMEs has received an extensive attention in the scientific research, management and government. Nonetheless, most previous studies were contextualized to firm's capabilities and quality of the external knowledge infrastructures from the advanced countries. Studies...

The paper presents a kind of OOA/OOD method about management information system (MIS). The object model includes information model,function model and status model, named IFS model in this paper. These models are controlled by some data. Model Driven Development(MDD) is a kind of model driven, which is...

Granite ground construction quality is directly related to the quality and the grade of the building, which also has great impact on the building. This paper aiming at the quality problems easily occurred in the granite floor construction, putting forward 4 essential integrated technology, namely CAD...

The influence of sericin finishing on the air permeability, antistatic, uvioresistant, and hygroscopic and sweat releasing of the sportswear sold in the market after sericin finishing. The conclusion drawn from the research is that the antistatic property, uvioresistant property and hygroscopic and sweat...

Purpose of research: developing a kyphoplasty instrument of memory alloy wire netting ball and discussing the possible treatment of osteoporotic vertebral compression fracture. Method: The application of Ni-Ti alloy hyperelastic wire netting ball, the application of the equipment which can stretch and...

Stay cable is one of the main components of cable stayed bridge to bear loads. Due to its large flexibility, small quality and small damping, various of harmful vibrations could happen easily under the external excitations. Rain-wind-induced vibration is the strongest form of vibrations. Under the joint...

Urban Lake is an important part of urban aqueous environment, which provides not only recreation for residents, but also high ecological service value as an ecosystem. Along with the increasing urbanization of our country and accelerating development and utilization of urban lake resource, sustainable...

In order to study the problem of the dimension of the dimension of the model modified design. A geometric model for the layout of dimension dimension. Through the containment relationship between the dimensions of the relationship between the size of the resulting constraint relationship, on the basis...

The rational synthesis of active, durable and low cost catalysts has of particular interest for fuel cell applications. The structural properties of fuel cell catalysts can be modulated by different synthesis methods, which significantly influence the oxygen reduction reaction at the cathode. In this...

The bidimensional empirical mode decomposition based on block partitioning(BBEMD) by using of radial basis function interpolation reduces the computational cost, but the blocking artefact is noticeable in the resulting mode. For alleviating the blocking artefact problem, we proposed a modified BBEMD....

Objective: To improve the capabilities of solving practical engineering problems for Pharmaceutical engineers. Methods: All subjects were divided into two groups, and in the experimental group, elements of professional design competition and plant design with preparation technology, equipment, GMP and...

The article gives a more effective and reasonable method for prevention of concrete structure corrosion considering both structure safety and economy by milling the core of the reinforced concrete structure and doing the silver nitrate titration experiment under marine environment . The results shows...

A heat flux meter calibration system composed of a vacuum cryogenic container, a blackbody furnace and a set of T-type thermocouples measurement system is introduced in this paper. Primary purpose of this system is to calibrate specific heat flux meters applied in spacecraft thermal ground tests within...

A method for constructing regional 3D formation pressure based on logging data was established in this paper. It aims to deal with the problem that constructing regional 3D formation pressure in the block which is short of the seismic data or has poor quality of seismic data. To begin with, logging data...

China's capital market is booming in recent years. Large numbers of starting-up companies are showing up, which attracts both domestic and foreign venture capital firms. This paper investigates the impact of venture capital investment on the impact of portfolio companies. The innovation and significance...

Energy system is the largest source of carbon emissions in a country or region. Since China's economic increases rapidly these years, it also brings the growth of energy consumption and carbon emissions. This paper indicates an index decomposition analysis to evaluate the carbon emissions from industrial...

Current Codonopsis cordifolioidea products are mostly its crude extract, which is of low technology content and low added value, and studies on the active ingredients of Codonopsis cordifolioidea are very limited. To promote industrial development of Codonopsis cordifolioidea product and to increase...

Being increasingly common in our lives, mobile networks have created a mobile, convenient, and individualized environment for microlearning. This transformation has caused change in the format of learning resources made available through micro-courses and MOOC (Massive Open Online Courses) so that they...

This paper studies the effect on the Augmentative and Alternative Communication (AAC) System for communication ability of autistic children. Procedures and Methods: Selecting five autistic children as research subjects, and the single subject experimental method was used to train subjects with the AAC...

With the elimination rate of mechanical products is getting higher and higher, it has become a huge problem for manufacturing enterprises to resourcefully dispose the used mechanical products. In order to optimize the resource utilization of the used components, a decision-making model for determining...

The production process of aggregate industrial is monitored by the identification of the digital. In the video, the digital character whose size is less than 12 15(The width of the digital image is 12 pixels, and the height is 15 pixels.) is defined as the small digital. The recognition effect is evaluated...

With the definite labeled samples, it is difficult that avoid the curse of the dimensionality for the accurate and efficient classification of hyperspectral images. It is necessary that reduce the dimensionality of hyperspectral images. Therefore, Polymorphic Ant Colony Algorithm (PACA) based band selection...

Stem water content is an important index of plant water balance. A new method based on changes in ultrasonic properties of stem was used to monitor stem water content in this paper, because the propagation of ultrasonic pulse echo signal and its attenuation characteristics in the material are closely...

Pyroelectric infrared (PIR) sensor is low-cost, low-power small component commonly used only to trigger alarm in presence of humans or moving objects. PIR sensors are widely used as a simple, but reliable. In this paper, we present a novel pyroelectric sensor node, feature extraction method and human...

Horseradish peroxidase (HRP) is widely used in biological engineering, wastewater treatment, enzyme-linked immunosorbent assay and other fields. It is great significance to study its enzyme properties, stress resistance and protective agent. In order to provide good quality HRP, and protection method...

With the rapid development of new technologies and new building materials,new network floor as a type of new building materials has been widely used in ground projects, owing to its wiring flexible, simple and practical, easy maintenance, and environmental friendly features. However, there are problems...

The Biliuhe reservoir, which is one of the most important water sources in Dalian, is the "source of life" of Dalian. To explore the characteristics of heavy metal pollution in Biliuhe reservoir, the potential ecological risk of these heavy metal elements were evaluated by two methods, i.e. geo-accumulation...

On the base of connotative definition and theoretical basis, the initial measurement project of develop Innovation team leader leadership behavior scale refer to scales of scholars both at home and abroad, use the combination of quantitative and qualitative methods to select measurement project. The...

Dissolved organic carbon (DOC) loading from lands to rivers in response to rainfall events are the major carbon sources to aquatic ecosystem. We used high-resolution measurements to determine the runoff exports of DOC from the Chippewa River and watershed which was largely dominated by agricultural land-uses....

The volatile constituents in banana flowers and banana bracts were analyzed by gas chromatography-mass spectrometry, coupled with headspace solid-phase microextraction. A quantitative analysis in percent was performed by peak area normalization measurements. 31 compounds were identified in banana flowers...

Nitrogen-footprint is a new method developed in recent years to measure the impact of reactive nitrogen produced by human activities on the environment. Livestock-product nitrogen-footprint, which is based on life cycle assessment theory (LCA) and nitrogen footprint, is used to define and measure the...

Based on the data of a arch bridge that lready built up, the finite element analysis model is established by finite element analysis software called Midas Civil. The buckling mode and buckling characteristics of the bridge are analyzed. The following operations changes are performed: the width of the...

The paper studies the industrial chain and the food security of China. It constructs an index system for estimating the food security of China during the period of 2006-2015. The empirical result indicates that during that time the condition of China's food industry develops from basic security to insecurity....

We adopt suitable numerical method to study the solitary waves of nonlinear Dirac equation in complex system. In some conditions, using nonlinear Dirac equation, we can better describe the macroscopic electrical phenomena and features generated by large amounts of electrons. As a result, we found the...

This paper designed a new structure in order to reduce the seismic damage to buildings. In this paper, basic elements, connection methods and structure relations of the self-centering rocking wall structure were introduced. A series of characteristics, such as high prefabrication degree, replaceable...

In the analysis of large structures, usually finite element model according to the blueprint, the finite element model thus created often fail to reflect the true state of the actual structure. It is necessary to establish the finite element model is corrected. Typically, finite element model updating...

With the development of transport, compared with ordinary cable-stayed bridge cable-stayed bridge because of its convenience, appearance, economical characteristics of the construction, in the construction of roads, bridges in the city has been rapid application, but because of the structural rigidity...

Medical Imaging contains extremely rich information about the internal body of a patient in clinical diagnosis, new technology research and medical treatment, medical education and training as well as for the treatment of patients having an increasingly important role. Based on the medical imaging target...

This paper takes listed companies as objects of study, building recognition the model of accounting information distortion in listed companies and putting forward selective methods of sample indexes of accounting information distortion recognition research; and on the basis of factor analysis, this paper...

with the quick development of express industry, the courier needs to safely and quickly send things to customer house. As for customers living in the high building without elevators, it is very dangerous for courier carry large-scale things such as refrigerator, TV sets to upstairs and downstairs, which...

With the rapid development of electronic technology, household devices have been developed to automatically sense environmental changes by automatic sensing system. Smart home, the trend of future lifestyle, has been payed specially attention both in academia and industry. Smart home system covers the...

In many industrial fields, there always exists mechanical regular movements, for example, the movements of reciprocating pumps in an oil field, which brings limitation for the detection. The tranditional methods including background subtraction cannot be used directly. In order to fit the scene with...

At present, digital learning terminal has larger impact on people's lives and students learning, and is likely to become more mature in a short period of time in the future. New digital terminal is built on the basis of reading. It is a dedicated terminal which is interactive, relevance, openness and...

Music therapy based on computer technology has now become a popular way of psychological disease treatment. The treatment's main medium is music signal. Send music signals through computer, and then pass it to psychological consultant to make him get some energy to change his state of body and mind....

In wireless sensor networks (WSNs), although there are many existed schemes for the local eavesdropper. However, a global eavesdropper who is well-equipped, highly motivated and has the ability to compromise node can make those method invalid, so that those existing techniques can't be against such attacks....

To obtain more accurate results of optimization calibration, an improved self-adaptive bat algorithm of camera calibration was proposed. Firstly, step parameters were set adaptively so that the objective function could avoid local minima. Secondly, the improved bat algorithms used in non-linear camera...

Identity authentication is a crucial security issue in wireless sensor networks, because wireless sensor nodes are typically deployed in an unattended environment, leaving them open to possible hostile network attacks. We propose a new identity authentication scheme based on the behaviors of node in...

The paper conducted a comprehensive scoring and ranking on the public welfare investment value of all the universities and colleges in America through establishing the comprehensive evaluation model. Firstly, those universities and colleges with insufficient information disclosure were removed from the...

Clustering Algorithms has been widely used in Ad hoc network with its ability to construct network quickly, conveniently and flexibly and without the need of default network infrastructure. In this paper, Firstly, some shortcomings of the typical algorithm AOW (adaptive on-demand weighted algorithm)...

With the rapid development of Internet, the search engine becomes an important tool for searching information gradually. In order to choose an appropriate and reliable search engine, a research on search engine evaluation has been a hot topic. In this paper, we adopt a fuzzy comprehensive evaluation...

With the rapid development of the Internet, artificial intelligence has gain widespread concern. Under the background, as one closely related discipline sentiment analysis's relevant research work have also been expanded. First, the paper analy existing text sentiment analysis method, compare the effect...

Dealt with the deficiency of single creature feature classification, classification methods of gait and facial side integrating at the feature layers are brought forth to improve the identify classification rate with long distance. This paper respectively has feature extraction and dimension reduction...

Traditionally ,pedestrian counting is a manual process. It requires a lot of manpower and material resources, and also generates the possible human error. Therefore, the reality in many cases are in urgent need of automatic pedestrian counting. The most widely deployed methods utilize laser sensors and...

Development of NC system HMI requirements, construction and development of the numerical control system human-machine interface system based on the AM3352. WinCE system, introduced in Qt language design and development method of embedded numerical control system human-machine interface. Design of human-machine...

The control problems of quad-rotor flight such as under-actuated control, strong coupling were analyzed. With a simplified dynamic model of quad-rotor based on Newton - Euler equation, a double-loop PID controller which consists of the inner attitude control and out position control. According to the...

For the purpose of this article, there is a huge amount of work in feature extraction, selection and other aspects using traditional supervised machine learning methods, and features for different applications often required different scenarios which need to manually design, but with the final result...

The traditional management methods of electrical and electronic laboratory have not satisfied the development of application-oriented university. To educate student comprehensive quality and creation ability, improve the quality of experiment teaching and increase the working efficiency for lab managers,...

Through the J City water supply network hydraulic model, QF pumping station optimization scheduling scheme is designed by genetic algorithm. And analyzing the working days and weekends in different working conditions. After the implementation of the optimal scheduling scheme, the power consumption of...

WNW7.0, software for water distribution analysis and design, is used to establish the hydraulic model of water distribution system in a northern city of China, and to analysis the changes of pressure and water quality in the water distribution system after applying single DBS and double DBS. The results...

Since the theory of aircraft engine electrical system was more complicated and difficult to master for maintenance support personnel, a novel scheme of simulation system design for maintenance training was proposed. The mechanical frame of the system was based on the original aircraft engine and electrical...

put forward an agreement of safety range query that possesses privacy and completeness protection aiming at low-energy and high-privacy protection required by range query in two-level wireless sensor networks: SPQ(Secure probabilistic range query). SPQ consists of technologies like data encryption, prefix...

There are many different kinds of machine element, with professional development of industrial production, only a few machine elements needed by factories are for their own production, most are needed to be purchased. Using purchase quotation system for machine element is an effective mean to ensure...

Carrying out mechanical equipment operation management can improve the economic efficiency for enterprises, prevent accidents, ensure production safety, and promote the reform of machinery and equipment maintenance system. Using computer system to manage is the necessary requirements for the information...

An intelligent metal linear expansion experimental instrument scheme brings for the existed problems aimed at measurement equipment of metal linear expansion coefficient. System by the processing core STC89C52RC adopts Holzer displacement sensor SS495A to measure displacement of metal bar expansion....

Since electric fires and induction hazards have a great influence on the safety of human life, in the process of electrical design we should take the causes of electrical hazards into consideration and give the corresponding treatment. This article involves the classifications and characteristics of...

Battery is still widely used in coal mine substation. Battery performance not only has direct contacts with its own quality factor, but also is closely linked with the battery charging methods. This article starting from the main factors influencing the performance of lead-acid battery, discussed the...

At present, the detection and diagnosis of thyroid cancer has always been depend on the puncture cytology of thyroid gland. However, this method (the puncture cytology of thyroid gland) demands high accuracy of the instrument and costs may stay at a relative high level. Under this circumstance, aiming...

In order to solve the problem that robustness in copying and pasting forgery detection algorithm is poor and detection accuracy is insufficient, this paper puts forward to image forgery detection algorithm of coupling Zernike Moment (Zernike) by Undecimated Wavelet Transform (UWT). Firstly, it uses Undecimated...

In this paper, an adaptive control design and stability analysis for a class of uncertain systems with unknown models is carried out. In particular, the adaptive control effect analysis is carried out based on the assumption that the unknown system mode is estimated with the wrong mode information. Based...

Base on measuring principle of barycenter, the authors analyzed influencing factors of barycenter and measured barycenter of one Dura-axle vehicle according to GB/T 12538-2003. The result showed that the height value of barycenter is different when lifting vehicle for smaller angle, so when measuring...