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....

Now pesticide spray is an effective means to ensure and eliminate crop pests and diseases increased yield, but also impact on the ecological environment, food security, and so prediction of the amount of application of pesticide is an important topic in the current research. Therefore, this paper puts...

With the upgrading of network defense technology, network attacks are constantly refurbished. This paper studies the vulnerabilities and advanced evasion attack, using open source Metasploit and fragroute proposed and constructed a new model with evasion attack technology, at the same time,ÿand gives...

Secure Socket Layer (SSL) technology is widely used to provide a safe and secure environment for network communications. But the Secure sockets layer cryptographic library OpenSSL-which includes cryptographic algorithm, cipher code, certificate encapsulation, SSL protocol implementation-is not absolutely...

For achieve fast and reliable power data transmission, we propose a novel Intensity Modulation and Direct Detection (IM/DD) optical Orthogonal Frequency Division Multiplexing (OFDM) system. In this system, we utilize Discrete Hartley Transform (DHT) instead of Discrete Fourier Transform (DFT) which is...

With the development of diversified communication services in smart grid, user demand and communication capacity have increased constantly, which imposes severe challenges on electric power telecommunication. Especially, the Metro Access Network (MAN) needs to aggregate and exchange a wider variety of...

To fit for the development of the personal needs for light-emitting diode (LED) lighting, a wireless LED dimming controller based on WiFi module is presented in this paper. Low-cost 8-bit STC MCU is applied as the main controller,WiFi is used as the wireless communication module, which receives the control...

In online educational courses, knowledge point is the basic unit used for the organization and dissemination of information. Mining the association of knowledge points can help to improve the navigation of course learning. However, it is difficult for the existing mining algorithms to balance the performance...

With the development of economy in China, highways construction and maintenance are also in the rapid development. Infantile highways are entering the large-scale maintenance phase, which would leave a great deal of wasted asphalt mixture. They not only occupy land, pollute environment and cause resource...

In order to simulate the flow structure accurately and find out the inducement of unstability in a centrifugal compressor with casing structure, three different cases of models were established. By contrasting the simulation result of Case1 and Case2 with experiment data, the accuracy of grids model...

In order to study the negative shear lag effect of simply supported curved box girder, spatial shell finite element models under different web width, box girder height and curvature radius are founded based on finite element principle, and parametric sensitivity analysis is carried out so as to reveal...

This text introduced a kind of Geometry Test for machine tool, mainly make use of the stick and laser to measure the tool system, pass plait distance to complete machine tool automatically part several accuracy measure, and the automatic record is bad value. Pass the engineering application, can attain...

Design and realize an intelligent mobile robot system applied to track the target using ultrasonic sensor. Wheeled mobile robot senses the orientation between robot and target through the radio device and ultrasonic sensor, and then combines with target-tracking algorithm track following algorithm and...

Non-destructive testing technology of a steel bar with crack are analyzed and discussed based on vibration characteristics method. The natural frequencies, mode shapes and modal curvature modal for crack of steel bar were analyzed using the method of finite element analysis. Thus it is concluded that...

The important problem of the research on the technology of fertilization is how to improve the utilization rate of fertilizer, and the variable rate fertilizer applicator will be the future development direction. This paper studies how to use SD card to store the data of variable rate fertilization applicator...

Based on the existing X-ray flaw detector, the writer tried to design a direct current supply system for X-ray flaw detector controller so that a portable DC X-ray flaw detector can be made in China to fit the need of the professional market.

In this paper, the two-gear transmission electric vehicle was studied. First, the transmission ratio was optimized by use of genetic arithmetic, which can increase the drive mileage. Second, the dynamic performance of electric vehicle was analyzed, including maximum velocity, acceleration time and maximum...

This paper propose a novel fractional-order hyperchaotic system, the hyper-chaotic system is investigated numerically by using linear transfer function approximation. In addition, based on the stability theorem of fractional systems, adaptive feedback control method is used for synchronization of fractional-order...

The new GMA experimental platform based on grating sensors and modeling method with BP neural network are proposed. The various parameters of GMA in the working process, such as driving voltage, prestress, displacement, are gathered and the effects are analyzed, then BP neural network is used to build...

An anti-bias passive localization algorithm is proposed to solve the problem of single motion platform passive localization based on bearing-only for fixed emitter target when system bias exists. Bearing difference measurements are constructed through analysis of bearings-only measurements. After linear...

This template explains and demonstrates how to prepare your camera-ready paper for Trans Tech Publications. The best is to read these instructions and follow the outline of this text. Please make the page settings of your word processor to A4 format (21 x 29,7 cm or 8 x 11 inches); with the margins:...

This paper uses SCM as the control core to design an intelligent flame detection system based on flame sensor R2868. This system consists of 100 flame detection nodes and one hand-held terminal. Each flame detection node includes flame sensor and its driver module, step motor and its driver module, clock...

At present, power consumption has become a factor in design of integrated circuit with growing concern in addition to timing and area. Currently, there are many methods to reduce power consumption. In the paper, standard complete technique of Unified Power Format (UPF) based on IEEE1801 standard is used...

n this paper, a new type of digital leakage current sensor based on STM32 platform is developed. It is in a high precision simulation based on leakage current sensor by digitization and improvement, using CAN bus for data communication, real-time display clear, has the ability to meet the independent...

Electric vehicle power battery charging can reach 100% full, which greatly affected the battery service life. A photovoltaic battery of electric vehicle charging device are studied in this paper. The device can for battery leader time trickle current charging, through part of battery energy, can make...

For complex, high-order processes with time-delay, this paper proposes a model reduction method based on a numerical optimization algorithm, and design combined integrating controller based on the reduced model, the controller is applied to the original model can get a good control effect. Model reduction...

The relationship between rotation velocity and displacements of cylinder is researched. Based on the heat-structure coupling method of AWE software, the cylinder is simulated. The original temperature field under certain velocities is obtained, and the correction depends on experiments is made. In accordance...

Shock wave focusing can produce higher pressure and induce cavitation behaviour in the focal region. Experimental study was carried out based on an underwater shock wave focusing system and an optical arrangement for taking high-speed photographs. The physical process of the cavitation behaviour and...

Anti-roll bar is mounted enhance the stiffness of rolling stock. According to the standard of flexibility coefficient, this paper introduces a method to design the Anti-roll bar of 100% low-floor light rail vehicles. After finishing the designed model, use the finite element analysis to analyze the strength...

It is important to accurately estimate the speed for induction motor speed sensor-less control technology. According to the drawbacks of traditional model reference adaptive system (MRAS), this paper presents an improved estimation model, which can effectively eliminate the DC drift and the initial value...

By deeply analyzing discrete frequency theory, this thesis put forward rational theory basis about choosing discrete frequency spectrum and phase position. On the basis of traditional discrete frequency soft starter, this thesis utilize control strategy based on equivalent sine wave principle to promote...

This paper firstly analyzes the current situation of the security of cloud computing, and analyzes several problems about the security of the cloud, and studies the existing access control model. Combining the characteristics of cloud computing security and the development trend of access control, the...

Principal component analysis (PCA) is one of the most widely used face feature extraction methods, and has evolved a lot of new algorithms, which has become a hot research topic. It[1] is a multivariate statistical method, can effectively reduce the dimension of the face image, and can keep the original...

With the rapid development of the railway industry, the speed and load of the railway vehicle has been significantly increasing but operation environment of the railway vehicle becomes worse. All these will cause problems for the wheel-rail wear. And all the problems will cause potential risk to the...

More and more websites have realized the importance of providing personalized recommendation by Recommendation System. As a supplement and improvement of Search Engine System, Recommendation System can be applied in the graduate employment websites to supply personalized employment guidance and recommendation...

The synthesis and characterization of magnetic nanoparticles (MNPs) are attracting more and more attention in recent years. By chemical co-precipitation, NH3-H2O as precipitant, reaction with the mixed solution of Fe2+ and Fe3+, then obtain the nanometer magnetite. The sizesof the products are affected...

Bionic artificial leg is used to simulate the disabled health leg and provided ideal following gait for intelligent prosthesis test, so it raises a high demand about humanoid character and intelligent control. Referring to the parameters of human leg and the movement mechanism, the bionic artificial...

The flow refueling location model is adopted to describe the traffic network considering the shortest and the second shortest paths. Three objective functions of the electric vehicle charging sta-tion placement optimal model are defined to maximize the captured traffic flow, to minimize the in-vestment...

In regard to automatic quality inspection for label printings, a reference region is necessary for finding the region of interest. With such a reference region, the defects of the region of interest can be analysed. The reference region should be unique, stable and have a high contrast against the background....

The structure of conventional distribution system is radial, and overcurrent relays are widely used as primary protection. When a large number of distributed generations (DGs) are introduced, the system becomes an active distribution network. It is necessary to study new protection schemes applicable...

The embedded training of submarine emergency manipulation is one of new maneuver control training method, which enhances submariners' operational capacity and improves the navigation security of submarine. The development survey of submarine emergency motion model, training of emergency manipulation...

TR50 mine truck , a new type of mine transporter produced by CHINANHL BUCYRUS, It configure QSX15-C525 engine,produced by Cummins Engine Inc. We compared and analyzed QSX15-C525engine of TR50 mine truck and decided to replace it with KTA19-C525 engine of 3307 mine truck.

It is worth studying that how to utilize image features so as to achieve the satisfied result of CBIR (content-based image retrieval). To solve this problem, this paper proposes an adaptive image retrieval algorithm based on color feature and texture feature, in which the two kinds of features are combined...

Industry 4.0 has high demands on the system performance, capacity, continuity and security and the traditional IT operations cannot meet the requirements any more. In order to adapt to the new requirements of Industry 4.0, this paper designs the cloud platform architecture for the IT operation and maintenance...

To achieve the artificial leg of biped robot with heterogeneous legs (BRHL) humanoid walking, the gait planning of artificial leg was researched in this paper based on central pattern generator (CPG). Firstly, the hopf oscillator was analyzed and applied to build the CPG network. Then, the parameters...

Introduce the application situation and development trend of welding robot, selecting the KUKA KR5-arc as the research object, simplifying its mechanical system and using the Denavit-Hartenberg (D-H matrix) representation and homogenous matrix to build the kinematic transformation of 6-DOF articulated...

To the problem of the unchanged rotating speed of the old well pipe centrifuge, the paper firstly introduces the composing and characteristic of coaxial self-vibration and variable-frequency centrifuge of tube&mould for new type well pipe and educes the corresponding speed and time of the centrifugal...

Cyber-physical complicated distribution system is heterogeneous and has special space-time characteristics. Communication system is event-driven discrete and distribution network is time continuous, which brings difficulties to the hybrid system simulation. Based on characteristics of complicated distribution...

In this paper, the low rank update mathematics was employed to N-k contingencies computation. In the method, the two low-rank matrixes correspond respectively location and modification values were constructed. The amount of calculation was decreased greatly due to the node admittance matrix was revised...

Research on the data model of intelligent power distribution system and study the typical characteristics. Proposed the communication scheduling model of smart distribution network communication system, and find the node model to enhance the capabilities of data synchronization processing in the case...

By means of XRD analysis, metallographic structure observation, mechanics performance testing and corrosion experiment, this paper studied the influence of solution treatment on structure and performance of AZ91 magnesium alloy. Results indicated that a large quantity of eutectic structures existed in...

Simple linear iterative clustering (SLIC) method needs to artificially set the number of superpixel required for segmentation, which will easily lead to over-segmentation or under-segmentation, and that results can not meet the visual requirements. To improve the SLIC superpixel segmentation method,...

Fly-ash and slag are the commonly used concrete admixtures, and can improve the durability of concrete. In this paper, the influence rules of different contents of fly-ash and slag on the workability and the capacity of resisting plastic shrinkage of concrete were investigated through a series of experiments....

In this thesis, multi-output PID neural network (MPIDNN) is proposed based on the research on single-output PID and it is simulated. MPIDNN is also proposed for the characteristics of coupling system which is difficult to control in industrial process. The results of the simulation show that the control...

The steam temperature dynamics was researched under the simulation system of 1000MW double reheat ultra-supercritical unit, the steam temperature response curves under various disturbances were obtained. The transfer function model of the main steam temperature, the first reheat steam temperature and...

A novel measurement system for gas sensing materials is designed, and is suitable for sheet shaped or unpacked materials. Except for protecting powder materials during test procedures, this system complements the protection of brittle materials which is increasingly popular. The system has two working...

Most research on virtual machine (VM) migration focus on the issue of single VM migration by using the post-copy or pre-copy migration strategy. In this paper we focus on multiple VM migration, which becomes important when we have several cooperating VMs providing services, and propose an improved serial...

Adaptive beamforming based on specific needs to select the appropriate criteria or algorithms by changing the weight vector of antenna elements, so the signal through the right to receive the value of accumulated output signal corresponding to the optimum. We study the classical adaptive beamforming...

In this paper, we present an application of spectral subtraction (SS) algorithm in speech enhancement system to extract the pure speech signal as far as possible. In contrast to the existing research, the proposed algorithm improves the voice quality, which reduces speech distortion, eliminates background...

Multi-label image ranking has many important applications in the real world, and it includes two core issues: image feature extraction approach and multi-label ranking algorithm. The existing works are mainly focused on the improvement of multi-label ranking algorithm based on the conventional visual...

Visible light communication is a hot topic of wireless communication area which has drawn more attention to be researched. Dft-s ofdm is a main modulation method used in long term evolution (lte) in wireless communication, which is able to reduce the nonlinear limitation in client amplifier. Modulating...

According to the characteristics of the diving sports, a video analysis system is developed for diving sports in the paper. This system is mainly used in assisting coach to instruct athletes more effectively, and it can help the judgers give the correct judgments. Three components are composed in the...

To improve the energy conversion ability and well utilize renewable resources via achieving a Peer-to-Peer (PtP) sharing mechanism in the form of bi-directional energy transportation, the concept of "Internet of Energy (IoE)" was put forward. Thus, in this paper, by virtue of Software-Defined Networking...

Modern tanks is the development direction of automation and information technology, in order to achieve this goal, reduce the number of crew tanks, protect the life safety of the soldiers, tanks adopts automatic loading system is inevitable trend of ammunition. Automatic ammunition loading system is...

Aiming at the problems of high cost of orchard agro-technique information service, and service channel is not smooth, a "IOT and cloud services" mode platform architecture of orchard information service was established, which is including networking aware transport layer, storage layer, service layer...

A logistical network is related with traffic networks, information networks, multiple goods networks in general. In the view of mathematics, a logistics is the compound result of three or more other networks. We design random multiple models by network operations based on stable transport networks, and...

This paper introduces the research of Thesis Evaluation System Based on Web technology, the system makes Web page by HTML/CSS/JS, AJAX/JQuery, applying Struts2 framework to build the system framework, using Java language to make Oracle database as data storage and achieves the process of upload - Delivery...

A new adaptive Canny operator is proposed which aims at the effect of image edge areas when traditional Canny operator under Gaussian smooth and the shortcomings of threshold level need to be pre-set. Firstly, the adaptive median filtering is adopted to process image; Secondly, this paper adds the gradient...

It is interesting to test the solvability of nonlinear differential equations. In this paper, a new mathematical model passes through the test of solvability on computer. To test the solvability of the mathematical model, Mathematica 4.0 software system combined with a subsidiary equation method is utilized....

It is well known that computer applications are ubiquitous. In this paper, the exp-function method with computerized symbolic computation is improved to exactly solve a (2+1)-dimensional Burger's equation. As a result, a new and more general exact solution is obtained. It is shown that the improved exp-function...

The development of ICT in administrative department is an important part of ICT application in higher education. The evaluation of ICT development level in each administrative department of university is an effective way to understand and promote the development of ICT in education, which has great significance...

Polymethyl methacrylate (PMMA) has been commonly used to manufacture polymer microfludic devices owing to its advantages such as low cost, biocompatibility and optical properties. The forecast regression model of surface roughness is constructed for micromilling of PMMA by the least square method. Surface...

In order to achieve both the processes advantages of fused deposition modeling (FDM) and mechanical cutting, a novel miniaturized machine tool with combined processing capabilities is designed and developed. The miniaturized machine tool is designed using the gantry structure and its overall size is...

Traffic flow prediction has been the crucial aspect in the Intelligent Transport Systems (ITS) and it will help ITS to induce the traffic flow rationally. In this paper, a prediction model based on ELM has been discussed through testing this model with actual data. This model takes advantage of the speed...

Electro-Static Discharge (ESD) is critical for the reliability of integrated circuits. Applying ESD model in circuit simulation could help to predict and avoid potential failure caused by ESD. This paper proposes a SPICE macro model for parasitic NPN ESD and related methods for extracting SPICE model...

Landslide frequently occurred in Heifang platform of Gansu province which have brought great loss to local villagers. Filed monitoring and warning system based on wireless sensor network with Zigbee technology for landslide is a good choice for landslide monitoring. The prediction of energy loss through...

Role analysis is a very important branch of complex network research, which tries to identify the node types with similar structures or functions. By extending the concept of topological potential, a role identification and analysis method based on weighted directed topological potentials in connection...

The reliability of CEDI water treatment system was analyzed. The failure rate and mean failure-free operation time of the system were demonstrated, according to the GO diagram of CEDI system and GO methodology calculating formula, and the conclusion was coincident with actual working. Furthermore, the...

Using Soildworks software, this paper constructed the geometry model of liquid chlorine tank, established the liquid chlorine tank model in the normal operation, identified various boundary conditions based on simplified assumptions, made meshing and simulated calculation on the tank and flange by employing...

The specific model of intrusion detection based on clustering and boundary points detection was elaborateed in this paper, and the data processing, clustering analysis, intrusion judgment, intrusion response, typical data warehousing the five stages are described in detail; Then the experimental environment...

In order to reduce the computation time and increase the convergence rate of absolute nodal coordinate formulation (ANCF), this paper gives a new local mesh refine method that can densify the mesh locally according to the degree of stress concentration. The mesh is divided into two kinds after comparing...

Based on the embedded system design scheme and pulled by the collection, transmission, processing and application requirements of the equipment information, this paper completed the design and implementation of software and hardware in data terminal of chemical protective equipment, which can collect,...

An analytical algorithm for solving the nonlinear bending deformation of a thin-walled hollow bridge pier under the action of water flow considering the fluid-structure coupling effect, is proposed. Initially, The kinematic equation and the dynamic equation on the wetted surface of the structure are...

The aroma compounds of melon fruits play a crucial role in commercial value. Aroma characterization of the 'Flavor No. 4' and 'Xuelihong' melon was detected using headspace-solid phase microextraction (HS-SPME) combined with gas chromatography-mass spectrometry (GC-MS). The results suggested that esters...

Pile foundation settlement evaluation in karst area is a very complicated problem, there are many factors that affect the pile deformation, including the size, number and spacing of the karst. In this paper, through numerical simulation, the influence of the number, spacing, size of the karst caves on...

Selecting a reasonable pile type and the pile foundation bearing stratum is important to design and construction in the karst area. It is needed to analyze the stress of pile foundation according to different types of karst caves. By numerical simulation, it is found that under the influence of the settlement...

A new fault location method of leaky coaxial communication cable is proposed and demonstrated in the condition of experiment, which is based on linear frequency modulation pulse compression. The principle diagram of leaky cable fault location of linear frequency modulation pulse compression and its system...

Plastic sand has more widely used in bed load and suspended load sediment model tests in recent years, But the plastic basic limited to fine sediment simulation test, Size large granular sediments (gravel-shaped plastic sand) less test.This project through the Flume, Set up incipient velocity formula...

The erosion basis in reservoir confluence, with the characteristic of dual change, resulted in special longitudinal deposition patterns. Based on field data, longitudinal deposit patterns of mainstream and tributary in reservoir confluence was studied and two special tributary deposition patterns-adverse...

PVC is an acoustic insulation material in the air conditioner with low cost. In order to study its acoustic insulation experiments were done for the white noise and compressor noise. Acoustic insulation and the noise reduction spectrum of PVC were obtained which show that PVC can effectively reduce the...

Based on the tensile and compression experiments of the materials of brake disk and friction plate of disk brake, the elastic modulus and Poisson's ratio of brake disk and friction plate were measured respectively. In order to analyze the temperature and stress fields of brake disk and friction plate,...

It is a very complex problem of pile foundation stability evaluation in karst area, which has been gotten more and more attention in the engineering field. There are many factors that affect the mechanical properties of the pile foundation, including the size, quantity and spacing of the karst. In this...

The finite element model was established and the forming process of magnesium alloy sheet in radial pressure deep drawing was simulated by using the commercial FE software Dynaform. The influence of hydraulic pressure and die clearance on forming limit, wrinkle, wall thickness variations and distribution...

Agricultural drainage is accounting for the largest to China's River Basin water pollution and agricultural non-point source pollution. The ecological function of drainage ditches is important for reducing the pollution. Through effective interception and conversion to preventing and controlling agricultural...

With social progress and economic development, people's living level gradually improve, tourism has become an essential part of modern people's life. At present, many developed countries of the tourism informationization level has reached a higher level, and the informationization development of tourism...

In order to predict the ice thickness of transmission line under future's meteorological factors, this paper puts forward a denoising method of ice thickness model of transmission line based on Gauss distribution model, with which an ice thickness model is built, and then the simulation graphics and...

In this paper, Pan-Boolean algebra is designed in SVPWM algorithm for inverter. The switch control of the conventional SVPWM algorithm is expressed by the Pan Boolean algebra, which named the Pan-Boolean control SVPWM algorithm. The results of simulation test in MATLAB Simulink and physical model test...

In order to optimize the efficiency-cost ratio, a stepwise purchase model that can finish the quota of equipment reserves within a given time is established based on the parameters of equipment life, production capacity and price, and the optimum efficiency-cost ratio of purchasing is achieved through...

A method of design and implementation of automatic intelligent tracking car based on CCD was proposed. The automatic intelligent tracking car takes KL26 of Freescale as the controller. The runway information is detected by CCD and the speed of the car is detected by the auxiliary encoder. During the...

With greatly improved the efficiency of computing performance, Peer-to-Peer systems (P2P) have become hot research in recent years. In this paper, we analyze the probability of a peer to become a seed consisting of all sharing data and resource. Based on the modeled network, a distributed method for...