In the paper of SCUTA, to the more and more complicated network environment and the w3c’s Same-Origin Policy’s vulnerability, the author designs a new web access control model. It eases the difficulty of web policy’s configuration and reduces the potential vulnerabilities. However, because of the inflexible...

In this paper, a novel least square support vector machines (LS-SVM) based on geometry information and training data is proposed to improve the performance of mobile localization in the non-line-of-sight (NLOS) environments. Simulations show that the performance of the proposed method is better than...

Source Localization in the non-synchronous mobile system is a very important issue since it only requires synchronized clocks between the based stations (BSs) and can reduce system complexity. There are time-difference-of-arrival (TDOA) and pseudo-range time-of-arrival (TOA) based localization techniques...

This paper develops a dynamic model to solve the vehicle schedule of a real multi-route bus system at the city Weihai of China. The model allows for the interactions of potential passengers and buses so as to achieve the maximum profit and passenger satisfaction. The model generated satisfying results...

In this paper, the problem of maximizing the mutual information of independent parallel Gaussian-noise channels is studied under an average power constraint with one-bit analog-to-digital (A/D) convertor. It is shown that the power allocation problem is a convex optimization problem, which can be solved...

Lithium-ion batteries have been widely used in daily life, and their state of charge (SOC) has received considerable attention and investigation. This paper presented a model based on double extended Kalman filtering (DEKF) method, which combines the advantages of Ampere-hour method and extended Kalman...

A new algorithm based on shooting and bouncing rays is introduced in this paper. The proposed method is able to achieve the radar cross section (RCS) and radar image of the target inside the dielectric box. A model of dihedral corner reflectors inside a dielectric box is built in this paper, and the...

High performance integrated circuits are increasingly used in the aviation equipment. Airborne equipment to solve the data transmission, airborne equipment and the ARINC-429 bus is based on PC/104 bus standard problem of communication between the microprocessor, and designs a scheme, using the FPGA's...

In order to solve many problems of reinforcement learning of Non-independent intelligent creatures in artificial intelligence, such as the single MDP environment and narrow learning space. This paper designed an Non-independent intelligent creatures reinforcement learning mechanism based on the Improved...

In this paper the electronic recognition system based on internet of things technology for railway logistics is designed and implemented. The 4 level information transfer mode is used between RFID Tag, train carriage identifier, station yard identifier and computer sever. Radio communication is used...

The computational geometry models of one bubble and two bubbles in viscous fluid were built. The Volume of Fluid model and pressure-velocity coupling solution method are used to solve the movement equation of air bubbles to investigate the movement, coalescence, and collapse of air bubbles. The results...

This study focuses on the problem of human face pose estimation based on single image. Traditional methods for 2D-3D feature based pose estimation problem require two inputs, and they cannot work well due to lack of correspondences of input images. We transfer the problem into an optimization problem...

In this paper, a steel frame - core tube hybrid structure commercial building design as engineering background in Kunming, steel beam and the core tube using different connection methods affect the structure of the lateral performance. All hinged model established with some rigid model, modal analysis...

Vibration characteristics of the seismic analysis of structures are a prerequisite. The natural vibration characteristics is the precondition of aseismic analysis .This paper uses the block Lanczos method to calculate the evacuation of prestressed truss natural frequencies and formation, prestressed...

Using finite element SAP2000, PKPM software to take  seismic performance analysis of square concrete-filled steel tube column and steel beam combination frame structure which applicated with support of BRB. dynamic elastic-plastic time history analysis was carried out on the model structure, it analyzed...

Based on a certain big site preparation project, the method to determine the dry density of filler for soil-aggregate mixture has been studied, and the characteristics of particle breakage after vibration is discussed. The results show that the surface vibration compaction method to determine the maximum...

As is known to all, a vehicle air brake system, in which usually contains moisture. To help solve the problem, it is common to use air dryer to dry compressed air effectively and completely remove the moisture of braking system .However, the existing air dryer can't suitable for all commercial vehicles....

A novel environmentally friendly composite was prepared with short-chopped grass segments (SGS) and starch by hot-pressing method. The effects of ratio of raw materials and hot-pressing temperature on the performance of composites were studied. Results showed that the tensile strength increased with...

Waste paper was incorporated into the preparation of composite of rice straw powder (RSP) and carobxymethylcelluose (CC) in order to solve the problems of difficult mold release, easy break and low strength during the course of preparing RSP/CC composite. A series of whole composite samples were obtained...

Measurement of foot pressure distribution is clinically useful for evaluation of gait pathologies and practically useful for the detection of motion. In order to improve portability of the detection device, this paper come up with a wearable system to detect plantar pressure thus to detect motion. Compared...

At present, the domestic weighing technology applications focus on overload weighing of road vehicles, and there is great research space in port containers' weighing. In view of the situation that container trucks queue a long line for truck weighing before entering the harbor, the paper studies dynamic...

Biometrics is used to identify individual in groups by their characteristics, such as fingerprint, face, iris, voice and behavioral characteristics like hand written signature and keystroke.Normally, a majority of biometrics recognition systems adopt methods by using unique feature to discriminate different...

Laser fuze has advantages of anti electromagnetic interference and high accuracy of measuring distance, will become an important development direction of future fuze. This paper constructs the hardware-in-the-loop simulation system of pulsed laser fuze. Solved laser echo characteristic parameters of...

This paper presents an implementation of a chaotic signal generator based on digital processing for three dimension system. A detailed description of the structure and function of each module design are presented, by comparing the experimental results and simulation results verify the feasibility of...

This paper presents the design and implementation of VLCR (visible light cognitive radio), a cognitive radio system where the base station can detect and communicate with users in a battery-free manner on the visible light band. Contrary to previous systems, VLCR works at visible light frequencies, which...

Considering the current trend of the development of high technology local war, the demands and challenges of mobilization of equipment maintenance and Peace war transformation, the article aim at analyzing the basic characteristics of equipment maintenance mobilization tasks, researching important influence...

Mine is a kind of disposable weapon which can be kept in reserve for a long time. The quality of standing storage of mine’s parts and components is an important factor affecting its life. This paper takes the rubber seal ring used commonly in mines as the research object, analyzing the failure mode and...

Bolted joints is one of the most widely used connections due to relatively simple structure, easy accessibility and reliability. However, Bolted Joints will gradually lose the clamping force under cyclic external loading, especially transverse loading. In order to fully reveal the nature of early stage...

The existing concrete column reinforced by steel tube is commonly used in engineering. However, the computational theory of bearing capacity of the structure after reinforcement is insufficient at present. In the case of the initial stress of existing concrete column is relatively lower, the computational...

The characteristics and applications of the system for welding machines based on SCM , based on PLC control system and PC-based industrial control system was introduced. It has certain significance to the design of welding machine control system.

It is found that the electron density of -Mg17Al12(110) Mg-Al(0001) interfaces declines gradually with increasing Al element, namely interfacial electron density declines.Compared with -Mg17Al12(110) Mg-Al(0001) interfaces, Mg2Si(001) Mg-Al(0001) has greater interfacial stress, that is to say the strengthening...

Parameter selection is an important issue for support vector machine. To solve that problem, an improved fruit fly optimization algorithm is proposed in this paper, and used for parameter selection of support vector machine. The initial position and the iteration step size are improved in the new algorithm,...

With the advantages of low cost and low power consumption, Zigbee is widely used in internet of vehicles. In a big city has a large number of bus and other passenger transport vehicle, there is a strong demand for unified bus operation scheduling and monitoring system. This paper described the design...

Large-amplitude random impulsive noise and harmonic noise have a very serious impact on the quality of low-voltage power line communication. Taking the time-domain sparsity of random impulsive noise and the frequency-domain sparsity of harmonic noise into consideration, we apply Compressive Sensing (CS)...

A system preventing children from getting hit while passing by the front based on laser sensor aims at avoiding knocking down the child while passing by the front after getting off the bus, owing to the blind spot of the front to the driver. The system mainly consists of SCM, laser sensors and radar...

In order to achieve the display effect of electronic combination lock system, this paper proposes a Proteus simulation test system design scheme based on single chip microcomputer, and completes the hardware and software design of the system. The hardware part mainly USES the Proteus simulation, virtual...

3D measurement is one of the most important topic in computer vision,which be used to recover object surface. Using a calibrated projector-camera pair, a light pattern is projected onto the scene and imaged by the cameras. Since the pattern is coded,correspondences between image points and points of...

The electrostatic imaging system obtains the contour profile of charged target by sensing the electrostatic field around. In this paper, a directional electrostatic imaging system is designed based on MEMS technology. Firstly, an electrostatic imaging MEMS sensor is designed on the principle of directional...

Research results on the stress of concrete member carbonization are rich, as many as dozens of mathematical prediction models. But the Achievements on the Stress concrete components are less. In this paper, based on the research of the existing test date, a new method of calculating the depth of stress...

Plenty of transmission substations in large scale power system are designed to deliver power to electricity users far away from power plants, and most of them can be seen as interconnecting (IC) nodes. Interconnecting node has the characteristic of zero power injection, thereafter causes zero current...

In this paper, the contest problem C of 2010 Contemporary Undergraduate Mathematical Contest in Modeling is extended to location optimization problem with multi refineries and multi stations, and the solution procedure is divided into two main phases. In the first stage, the objective function of construction...

In this paper, an efficient auxiliary differential equation (ADE) method is proposed to implement stretched-coordinate perfectly matched layer (SC-PML) in finite-difference time-domain (FDTD). The derivation of discrete difference operators for the ADE-PML equation for FDTD is also presented. The numerical...

Voltage sag is one of the most serious power quality problems which impacts many electric equipments. Rapidly and accurately detecting the characteristics of the voltage sag is crucially important for voltage sag compensation. Used in the detection of voltage sag, traditional transform method which has...

This paper presents a multi-agent system (MAS) based dynamic control framework for the grid-connected microgrid (MG), to realise the prescribed interactive power between the MG and the main grid, while managing the output power of distributed generators (DGs) roughly proportional to their capacities....

With the development of vehicle industry and the improvement of life quality, many factories and scholars are more focused on heating facility and air quality of the Passenger car.This paper utilizes Fluent analysis software, adopting RNG k- and DTRM radiation heat transfer to make a three-dimensional...

For the need of real-time fast image processing problems in the field of pattern recognition, this paper proposes an image acquisition and display method based on embedded technology. In order to solve the problem efficiently, we present a programming technology of Video4Linux2 (V4L2), and the technology...

The effect on the high-precision imaging load because of the vibrations from the satellite platforms is becoming more and more non negligible. In the paper, the bi-layer structure mixed with passive part and active part is adopted for the leg and the location of the actuator is studied. As for the control...

The pre-tightening force experiment to high-strength bolts of friction-energy-dissipation device were implemented by the turn-nut method and then obtained the linear scale between pre-tightening force and angle of rotation by analyzing the data. This provides a reference for the measurement of bolt pre-tightening...

In order to improve the detection performance of double-threshold cooperative spectrum sensing scheme (DCSS), we provide an improved double-threshold cooperative spectrum sensing algorithm (IDCSS). Differing from DCSS, IDCSS doesn’t always need all CR users send their local sensing message to FC. In...

In view of the phenomenon of the voltage fluctuation with the load at the users’ end to some degree caused by the power investment restrictions, the scattered residents, long lines, and the large line loss in the economically backward areas, a method of the voltage adjusting device composed of a multi-tapped...

With the development of new energy sources such as wind power and solar power generation technology, distributed generation and micro-grid technology attract increasingly great attention. However, the renewable energy resources are intermittent in nature under the influence of meteorological fluctuations,...

Solar, hydroelectric, wind, biomass are all renewable sources of energy. And biomass energy market has a tremendous development potential. In this paper, some experiments were made by using WDW-100 microcomputer controlled electronic universal testing machine to find a better way to realize cold compression...

The data volume of 3D garment model is closed related to its visual quality. Considering the limitation of model data in real-time rendering, it is necessary to study the relationship between them and find the optimal resolution which meets the demands of the real-time rendering. Simplified 3D garment...

According to the flow operating parameters of turbine during the downtime process , the convective heat transfer coefficient values between rotor surface and steam are calculated. The FEM transient temperature analysis model is setup to obtain the temperature distribution of rotor during the downtime...

A method is developed to analyze the influence of friction structural damping on the vibration characteristics of turbine blades. Vibratory responses of a long steam turbine blade with shroud and snubber are studied. Finite element contact analysis of the steam turbine blades modeled in 3-D solid elements...

A weak form curvilinear triangular quadrature element is constructed and applied to the analysis of plane stress plates and torsional shafts. It is observed that convergence is achievable and the element is robust against domain irregularity, exhibiting both high accuracy and flexibility to complex geometry...

This paper introduces the analysis excluded several methods commonly used electrical fault, through the analysis of several cases of typical marine electrical equipment fault, providing some reference for marine electrical management personnel in the analysis and elimination of ship electrical fault.

With the development of computer and electronic technology, instead of the traditional flywheel technology, electronic simulation technology helps to achieve the simulation and analysis for automotive mechanical inertia. According to the experience of many years of study and practice, this paper analyzed...

This paper presents two new methods for the analysis and the process of non-uniformly sampled signals. During the process of practical sampling, the spectrum estimation from non-uniformly sampled signals is obtained by continuous Fourier transform. A method of moving average filtering for non-uniformly...

According to the cutting principle of the planetary pole symmetric structure, in the paper, it makes the planet cutting as the main movement, to control the cutting chips and the smoothness of the cutting section. The system contains six axes, it adopts full servo direct driving, and uses electronic...

Grounding grid is a kind of critical infrastructure to ensure safe and stable operation of the grid and the personal safety. Buried in the ground and limited by the surface buildings, the ground grid is inconvenient to be detected and maintained. In this paper, in order to overcome the difficulties in...

In this paper, several steering inputs affecting vehicle motion status is taken fully into account based on vehicle dynamics. We established 3 DOF vehicle dynamics model included lateral speed, sideslip and yaw angle, obtained vehicle steering stability equations, and performed simulation experiments...

For the enterprise in changeful market environment, product technical maturity is an important reference to develop strategies and hold technology trades. It is benefit to accurately determine the developmental level of relevant techniques and carry out technical innovation with scrutiny to situation....

Rehabilitation product is something that can help the persons with disabilities to solve the challenges with necessary functions. The development of rehabilitation product is the important subject with complex process in rehabilitation engineering, which would use cross field knowledge. Conceptual design...

The Sudeerte tectonic zone research, through the production of the forty wells synthetic seismograms, accurate calibration of each structural layers and the corresponding relationship between seismic reflections. According horizon calibration, determine the T5 reflective layer is reflective top surface...

This paper comes up with a high frequency frame real-time image compression technology which is based on high frequency frame camera. On the basis of the technology, I designed a high-frequency frame real-time image processor hardware system that combined TMS320CDM642 with EP2C35 FPGA. Based on TI's...

In order to effectively improve the stability of the coal mine water disasters emergency rescue system, the establishment 0f the index system to measure the stability standing on the view of mid-control and dynamic analysis, which includes six elements: personnel quality factor capital factor management...

This paper put forward a kind of qualitative identification method of tea authenticity based on near infrared spectroscopy(NIR). Authentic Zhuyeqing tea and fake Zhuyeqing tea were the research objects. Multiplicative Scatter Correction (MSC) was used to NIR data of 2 kinds of Zhuyeqing tea as a pre-processing....

Analyzed the shortcomings of fault information management in the field of warship equipment maintenance. An ontology-based method for equipment fault information modeling is proposed on the basis of the characteristics and the actual in warship equipment maintenance. The modeling process of equipment...

Traditional methods rely on for measuring tools in the machine detection of PCB micro drill have limitations, for example, labor-intensive, poor stability, low efficiency and so on. This paper proposes a detection method for machine vision and image feature extraction, and achieves non-contact, high-precision...

A dynamic inverse based controller is designed for the longitudinal dynamics of a generic hypersonic vehicle. This model is strong nonlinear, multivariable coupling and includes uncertain parameters based on its high speed, lager aerodynamic load and rapid changing flight area. After feedback linearization...

With numerical method, the effect of the shape of base cavity on the aerodynamic force of the projectile is investigated. The Navier-Stokes equations with k- turbulence model were used as governing equations. The distributions of the flow field parameters and the drag coefficient of projectile with different...

Underwater imaging is an important method to discover and study deep sea life. However, the information obtained from the 2-dimensional imaging materials acquired by the current technological method is too limited to meet the requirements of scientific research. In this article, a package of underwater...

Unlike wired networks, links in wireless networks are unstable. Thus, considering the unstable links is important to design an efficient packet scheduling algorithm. We propose the Dividing Loss-aware Earliest Deadline First (DL-EDF) packet scheduling algorithm. In DL-EDF packet scheduling algorithm,...

Through quantitative analysis,The paper use computer technology and mathematical methods, combined with FMEA and FMECA , the paper organized the failure of an aircraft fuel system parts in recent years we set up fault model system to analysis Fuel system of Certain type aircraft , expanding the way of...

Data provenance is the basic metadata for process analysis in process aware system and plays an important role in collaboration design process for process auditing and process improvement, but data collaboration and iterative process in the execution of collaboration design process impede the integrity...

In order to test the dynamic characteristics of the shock test bed for gun breechblock system expediently, the dynamic model was established based on the virtual prototype technology. The three-dimensional solid model of each part was established and assembled by software Pro/Engineer. Then the whole...

With The development of power electronic technology, microelectronic technology and modem motor control theory, synchronous motor speed control systems are widely used. PMSM plays an important role in AC servo system Its control strategy research attracts more attention. The speed control system model...

PROFINET is a real-time protocol widely used in industrial control systems. To describe formally the semantics of PROFINET, we introduce the timing -calculus, a new variant of the -calculus, in this paper. The good feature of the timing -calculus is that it can handle time elapse and timer events. We...

0-1 knapsack problem is a typical NP complete problem. Shuffled frog leaping algorithm is applied successfully in many combinational optimization problems. Therefore, the paper introduces an improved shuffled frog leaping algorithm for solving 0-1 knapsack problem. It greatly reduces the searching time...

Biofabrication techniques facilitate tissue engineering by supplying tools to construct advanced scaffolds for cell population applied to the assembling of artificial tissues and organs. Tissue engineering involves the in vitro reconstruction of tissue architectures from nano-scale to macro-scale. In...

In view of the current development research on electroencephalograph (EEG) brain computer interface (BCI), which shall not be limited to use linear discriminant analysis (LDA) algorithm only. The brain computer interface that uses multi channel and multi type EEG signal is gradually fusing on other ways...

The working of this paper focuses on the matching relationship of operating mode and profiting mode to interorganizational information systems(IOS) to help to make a decision on how to choose or build an IOS to IOS’ users and provider. Firstly, this paper builds a theoretical matching model on operating...

Graphene have been condered as an ideal reinforcement material due to its fascinating physical and mechanical properties. In this study, the graphene reinforced the Cu matrix nanocomposites with excellent thermal conductivity have been successfully fabricated by hot pressing sintering of RGO/Cu nanocomposites...

The creep deformation of viscoelastic sample are simulated by apace-time finite element method/extended finite element method (XFEM). Two rheological models of 7-parameters generalized Kelvin-Voigt model and Burgers model are used to simulate the creep of sample under uniaxial or biaxial compressive,...

CFG (Cement Fly-ash Gravel) pile is consisted with macadam, gravel, sand, fly ash mixed with cement and water. In sand, silt, clay and muddy soil and miscellaneous fill foundation, there have been many applications of CFG technology. The attentions and matters of CFG processing are analyzed in this paper.

A new approach for preparing polycaprolactone (PCL) with functional groups was introduced, by which three kinds of functional group-terminated PCLs (PCL-OH, PCL-Boc and PCL-NH2) were designed and synthesized. The composition, structure, and thermal property of these functional PCLs were characterized...

The nonlinear analysis of a reinforced concrete beam was conducted based on the finite element analysis software ABAQUS. In this simply supported beam analysis, the plasticity model of concrete damage in ABAQUS has been introduced thoroughly. Finally, the results of the experimentation and the ABAQUS...

In the mining process of 4405 working face, spontaneous combustion of remaining coal is prevented by injecting nitrogen to goaf through buring pipe and continuous injecting nitrogen. Meanwhile, pre-bury beam tubes in the goaf and measure the gas concentration of each measuring point before and after...

An optical method was developed to monitor solubility of the polymer by taking advantage of reflection spectrum change of the dissolution tunable inverse opal photonic crystal. The dissolution tunable photonic bands of the polymer inverse opal photonic crystal were traceable to the chain motion of macromolecules....

The biotransformation of digoxigenin by Colletotrichum lini AS3. 4486 was investigated. The conversion reaction was carried out in a 72h process, and the sole products was isolated by column chromatography and elucidated as digoxigenone by HR-ESI-MS, 1H-NMR , 13C-NMR and single–crystal X-ray diffraction....

For single material element, the same material element is comprised of Relatively Non-Disturbed(RND) state and Relatively Complete Disturbed (RCD)state is considered. The ratio of the two kinds of state changes with the loading level. The affection of the interaction between RND state and RCD state to...

The efficiency evaluation of plant-microbial remediation of petroleum hydrocarbons (PHs) contaminated soil is investigated from two levels including single factor pollution risk and soil environmental quality comprehensive evaluation. The single factor index method was used to determine the risk level...

This paper proposes a new adaptive content trisection system based on SCORM to solve the problems in traditional trisection system such as lengthy browsing time, lack of content point structure, interaction and browsing process tracking. The newly designed trisection system set up a new content aggregation...

Examination method of duplex stainless steel is considered as study case, and TRIZ contradiction matrix theory, 40 inventive principles and substance-field model are synthetically utilized to solve examination problems. Methods of two-phase microstructure examination of duplex stainless steel with TRIZ...

A kind of tissue paper used in industrial applications for Puer tea packaging was studied. The properties of tissue paper surface which were detrimental to printability were tested. Particular attention was paid to pore rate which was affected mainly by the structure of tissue paper surface and to find...

Four dolomite national reference materials has been developed. The whole process including sample composition design, machining, homogenizing examination and standard value analysis have been done according to the requirements of GB/T 15000 Directives for the work of reference materials and YB/T 082...

This paper explores two typical testing techniques, the pre-buried method and the detecting method, for measuring the depth of penetration (DOP) of projectiles into steel reinforced concrete based on empirical equations. Advantages and disadvantages of the two techniques are analyzed.

In this paper, with 2500 tons of Heavy Carousel pipe laying equipment as the object of analysis, research under action of different wave, using the finite element method calculation of statically indeterminate and multi support and contact nonlinear support overloaded basket, the structure of the foundation...

The highly efficient High Pressure - Condensation process is designed and studied to synthesis high purity Gallium nitrate. The luminescent properties of phosphor materials using raw materials produced by this progress are investigated. The results show that Gallium nitrate can obtain by following process...