Advances in Intelligent Systems Research

The passive direction finding cross localization has got great achievement and has been widely used in military and civilian fields. Currently, the researches on passive localization have focused on AOA, TDOA and FDOA. In our system, the passive direction finding cross localization is more effective...

Hybrid electric vehicle is the car which increase a electric drive system on the traditional internal combustion engine vehicle. The coordination work based on the drive motor and the internal combustion engine can reduce fuel consumption and CO2 emission. Considering on the special characteristics and...

With the innovation of computer technology, computer application technology was used more widely in the enterprise. Computer application technology in the enterprise offers a variety of convenient services for enterprise production and management efficiency for different groups of people. In this paper,...

Considering high false alarm probability of BIT and oversize of off-line ATE, the paper studies and designs an online automatic test system. The interface signals of radar line replaceable units (LRU) on working condition are leaded out by three-port conversion card and conditioned with insulation technology,...

The large wireless sensor networks are often structured hierarchically by grouping nodes into different domains in order to deal with the scaling problem. This paper proposes a new protocol called hierarchical QoS routing protocol (HQRP) that achieves scalability by organizing the network as a hierarchy...

As the main supporting equipment of the fully mechanized coal system, hydraulic bracket bears complex alternating load. The fatigue failure of welded structure as the main part of hydraulic bracket often occurs. In this paper, based on the welded structure of hydraulic bracket, the design methods and...

With the development of science and technology, there has been growing the grid size, the growing demand for electricity and the extent of increasing the electricity market. In this paper, a mathematical morphology and genetic algorithm based dynamic reactive power optimization method for distribution...

In order to achieve the reconstruction of distribution network, the partition method and the parallel tabu search algorithm were introduced. Distribution network was simplified as ring network which only contained branch-groups, and the necessary conditions for the reconstruction of the distribution...

It is well known that a semi-group’s action on a space could appear chaos phenomenon, like Li-York chaos and so on. Li-York chaos has important relations with topological transitivity and periodic point. This study analyzed metric space(X,d) and it’s dinduced Hausdorff metric space(k(X),H) . Let T is...

Aiming at the existence of shear machine hydraulic brake disc friction pair wear quantity, temperature overrun problems couldn't be measured online, research and develop an online intelligent test system, test the temperature of friction pair and wear of hydraulic brake. This paper introduces the structure...

To solve the problems regarding the construction technology of 360° large spiral staircase and improve the quality of framework supports, the frequency for common failings for the quality of spiral staircase decreases from 14% to 5% according to the spiral curve equation and by applying CAD software...

On account of the regional balance requirements of reactive power, this paper proposes automatic adjustment method based on reactive power distribution factor for the trend. In this paper, the equivalent impedance of the -type equivalent circuit is as the electrical distance to strike the reactive power...

The paper researches the parametric inversion of the two-dimensional ellipse equation by means of non-linear optimization method, draw a Numerical Solution for such inverse problem. It is shown by numerical simulations that the method is feasible and effective.

The direct CVD-spun multi-membrane carbon nanotube yarn is mechanically twisted to engineer its structures and to enhance its mechanical properties. Homogenously twisted CNT yarns with a dense cross-section are achieved with different degrees of twisting. The mechanical twisting remarkably increases...

Cloud computing is an Internet-based super-computing model and it is also an innovative business computing model. This paper describes the definition and characteristics of cloud computing, analyzes the key technologies of cloud computing, and makes an in-depth study of cloud computing applications in...

Cross-layer design of routing protocol for mobile ad hoc networks (MANETs) has become a hot research topic in recent years. By integrating physical layer, MAC layer and network layer together for cross-layer design, a cross-layer routing protocol called MIR is proposed in this paper. Via predicting the...

With expanding scale of modern power system and cross-region connection of power grid, the system often run closer to the ultimate state. So the security and stability problems become a focus of power system. This paper proposes an accurate regional-equivalent-system model, and the transient energy function...

The method which adopts start-end device to measure the velocity is in com- mon a method of measuring the velocity. The characteristics of this method is in brief the equipments need, operation convenience, test result credibility, measuring the error margin small. It not only can measure the velocity...

The multipath fading and interference problems in the wireless communication lead to the link quality decrease severely. However, the conventional frequency hopping scheme cannot solve the problems in an effective way. Adaptive frequency hopping scheme, which is based on the automatically link quality...

Cement concrete airport pavement frequently damaged in fatigue failure caused under the effect of reciprocating wheel pressure. Repair effect by traditional materials were not effective.In this study, which fiber PVA were used as a reinforcing material, the PVA - ECC airport pavement were tested on test...

Handwritten digit recognition is of great value for application in the field of Image Processing and Pattern Recognition. For ensuring better recognition accuracy and speeding up classification process, this paper proposes a fast handwritten digit recognition method based on improved SVM. The new method...

To take account of the fact for an automotive hydraulic power steering system have serious energy loss, this paper discusses the configuration and the action principle of a new variable displacement of double-action vane pump, which consists of a floating block and rate compensation characteristics....

Many optimizations have been done to 3DR-tree index structure and many opinions have been proposed. Modification by splitting mechanism is one of them. There are two index trees in 3DR-tree index structure after modification: one is a history tree for past data storage and the other is an active tree...

This article is devoted of changes of mechanical properties of hot rolled steel as a result of a reducing of rigidity of the rolling stands. From the analysis of studies of hot rolled steel statistically it is shown that as a result of reconstruction the change of stiffness of working stands of rolling...

With a focus on complex environments, the present paper describes a new algorithm in scale changed object tracking through color feature. Mean shift (MS) iterative procedure is the best color-based algorithm to find the location of an object. The algorithm performance is not acceptable once tracking...

Developed from art, computer digital color is a new subject integrating computer technology, graphics and color science, as well as an open system which is not limited in the a certain field. In artistic design field, color model, color domain and color application rely on the five-grade color table...

The heterogeneity of information in multi-sensor systems in power system makes information fusion process more difficult, and results in divarication of information fusion. Aiming at this problem, this paper presents an automatic information fusion framework. The main contribution is the method of semantic...

This paper reports on dynamic characteristics of a cable-towed acoustic array system during ship’s loop turning maneuvers with a lumped parameter model. The transient behavior of the towed sonar array given rise to the tow-ship’s loop maneuvers with different towing speeds, tuning radii, and current...

This paper introduces the design method of face recognition system is a kind of BP neural network. This design uses the forward backward propagation algorithm of multi-layer neural network, BP algorithm, BP neural network for face recognition was built by using MATLAB software, and the use of facial...

In order to improve the kill efficiency of the fighter aircraft under the complex electromagnetic environment, the anti-interference capability of all kinds of dogfight weapon is analyzed, a method of the double dogfight weapon fusillade is adopted to improve the kill capability of fighter aircraft....

Many countries are conducting research on the live-line maintenance robots. Trajectory plan of the manipulator is introduced. Propose a method of trajectory plan. Using Cubic polynomial interpolation algorithm, the joint angle solved by inverse solution can be determined by plan_ algorithm, and the plan...

For reducing the communication overhead of data aggregation, authors proposed an inner-cluster data aggre- gation scheme for wireless sensor networks. Agent nodes are selected with assist of location information and only the nodes have different readings with agent nodes transmit their data to cluster...

In this paper, a modified natural boundary element method (MNBEM) by using a modified DtN operator to improve the natural boundary element method (NBEM) is proposed for Neumann BVPs of the Helmholtz equation on unbounded domains. We prove the existence and the uniqueness of the solution of its variational...

Periodic signal has practical applications in many occasions the periodic signal met Dirichlet’s condition can expanse in Fourier series.Usually series expansion coefficients indicates the amplitude of the signal harmonics. Only the mathematical expectation for the known periodic signals using Fourier...

This paper proposes a smart domestic gateway used to manage power consumption, which realizes the interoperability across wireless sensor network (WSN), Wi-Fi and Internet. This system achieves smart home power consumption management. The implementation of hardware and software of the gateway has been...

Wigner-Vill distribution (WVD) will inevitably have cross-terms when it used for time-frequency representation in a multi-component signal. In order to suppress the cross-terms in Wigner-Vill distribution, this paper proposes a joint algorithm based on EMD-ICA. This algorithm resolves a multi-component...

Computer 3D technology is the core content of interactive graphic, which is a grid science to calculate, process and display 3D graphic through algorithm. From the digital-processing 3D graphic establishes a set of systematic module database using computer graphic and coding, through which to realize...

With the development of multimedia network, more and more real-time multimedia applications require a network capable of satisfying QoS constraints such as delay and bandwidth bound so that the messages reach each destination node at almost the same time within a certain specified time limit. Therefore,...

There exists a problem of endpoint effect in EMD, which makes the result of decomposition not perfect. The paper comes up with a kind of envelope correction method to suppress the endpoint effect on this question about periodical signal. The result shows that, the method can solve the problem on distortion...

By the intermittent hypoxic training of 72 male SD rats, we observed the changes of SDH activity in skeletal muscle in a quiet state, immediately after exercise and three hours later. We found that in these three states , SDH in rat skeletal muscle were significantly changed, and showed a downward trend...

This paper uses digital signal processor control horizontal continuous casting traction motor three states of positive rotation, inversion rotation and stop, to achieve the copper pull, stop, reverse thrust sport. At the same time, we can improve the yield, reduce the production cost by change the casting...

Forces carries out the task to improve effectiveness of communication command, is the important guarantee of communication support ability to ascend, the fuzzy analytic hierarchy process (AHP) to evaluate communication command efficiency, to a certain degree of communication security work guide role....

With the development of network application, network security is facing greater pressure. Based on the characteristics of intrusion detection in the wireless network of the Ad hoc working group, the article introduces the game theory, proposes a game model of network security, concluds the Nash equilibrium...

HiLo training sport mode , the rats in a quiet state , immediately after exercise , after exercise to study changes in skeletal muscle cytochrome oxidase three states under three hours , and then observed in rats HiLo training changes in mode of aerobic exercise capacity . The results show that : in...

The paper presented the design and implementation of the multifunctional smart power socket based on Cortex-M3 kernel STM32F103 MCU, using Zigbee technology for network communication and FreeRTOS as task scheduling management. The hardware design and software framework of smart power socket are described....

Around the type of power system of the low frequency oscillation, the mechanism of production, the analysis methods, the analysis tools and suppression method, etc, it summarized the research status of low frequency oscillation of power system. Therefore, based on this research status, the future analysis...

In this paper, it find out the way of splice the scraps of paper which come from the same page of the printed text documents together by MATLAB software. Firstly, the image is made to the value of two forms of matrix, to establish the algorithm of the scraps of paper splicing restoration model by analyzing...

A method based on fractal combined with Bior 3.7 wavelet is proposed to analyze atmospheric particulates’ fractal feature. By the use of microscope, atmospheric particulate samples were taken into digital images. After a series of image processing including Bior 3.7 wavelet decomposition and reconstruction,...

This paper presents an innovative damping characteristic of regenerative based on passive damper and permanent magnetic synchronous motor torque and speed characteristic. Different damping characteristic models were incorporated into single degree freedom of vehicle model and investigated. Simulation...

As the forefront of mobile communications, mobile phone industry broad market prospect attracts more and more enterprises to enter this field. With the rapid improvement of the industry, mobiles develop from original feature phone to smart phones, which can take pictures, catch video, access Internet...

In this paper, we solve the problem of the orbit design and control strategy of the soft landing of Chang’e 3,Use the Hermite interpolation method and the Parabolic interpolation method to analyze each stage of the process.By using the interpolation method in numerical analysis, which based on the theory...

According to the difficult in selecting parameter of SVM when modeling on the gas quantitative analysis,and existing methods need long time,SVM optimized by improved grid search method was proposed to built an infrared spectrum quantitative analysis of gas.According to this method,the spectrum data of...

An IGBT cell structure based on semiconductor physics were designed. The process parameters of the high-voltage IGBT have been calculated and adjusted. Using the optimal device’s dimensions, the doping concentration was analyzed systematically. Additionally, a simulating model of IGBT was compiled based...

Although spatio-temporal features (ST) have recently been developed and shown to be available for facial expression recognition and behavior recognition in videos, it utilizes the method of directly flattening the cuboid into a vector as a feature vector for recognition which causes the obtained vector...

In this paper, we consider a reaction-diffusion dynamic model which is of the classical Fisher type, but incorporates nonlocal influence into competitive term. We present two finite-difference algorithms for studying the dynamics of nonlocal reaction-diffusion logistic equation. We also present the results...

Aiming at the user clustering and page clustering in Web log mining and based on the analysis of K-means clustering algorithm and matrix clustering algorithm, the paper presented an improved clustering algorithm that combining fuzzy matrix algorithm with K-means algorithm. Extract compressed sub-matrix...

The high pressure turbine blade of CFM56-7B engine is risky to crack, it’s failure modes include transition zone crack, shank rupture, min-neck damage, edge of contact and split-shelf clog, which could be modeled and simulated by finite element method. The root cause of crack is found by aforementioned...

Image noise removal forms a significant preliminary step in many machine vision tasks, such as object detection and pattern recognition. The original anisotropic diffusion denoising methods based on partial differential equation often suffer the staircase effect and the loss of edge details when the...

The over-the-horizon(oth) attack of anti-ship missile guided by helicopter is a common style in the attack of surface ship’s missile. This paper does a research on the helicopter guiding error, and a proper method based on error transfer principle is proposed. Taking the unilateralism relative location...

Stochastic resonance(SR) is one of the applications in weak signal detection. Many researchers used the combination of the traditional first-order bistable system and genetic algorithm(GA), but the output of first-order bistable system is not smoothly enough, genetic algorithm has the phenomenon of losting...

Pipeline systems are widely used for transportation of petroleum and natural gas. It is clear that a continuous and automatic monitoring system is very necessary for petroleum and gas pipeline system. This paper describes an algorithm of 3D sensor node deployment based on petroleum and gas pipeline architecture...

Tree growth management decision-making model can simulate growth management of tree and perform quantitative analysis of tree growth conditions. This paper explores the feasibility of modern information technology in management assessment of tree growth, information technology include neural network,...

With the arrival of big data era,traditional network is difficult to meet the increasing data processing need.In order to solve the problem,software defined network emerge. SDN is a revolutionary improvement compared to the traditional network, it can greatly meet the giant data processing need. However,...

The aircraft fuel system simulation as an important part of aircraft design is a complex systems engineering, it is one of the experimental project to ensure the success of aircraft design. The test verifies the aircraft fuel system's correct and reasonable of design and calculation and verify that the...

To achieve the functions of alarm direct pass and remote browsing National Electric Power Dispatching Center put forward, each substation monitoring manufacturers commonly adopted the way based on their own workstations currently, which exists some problems such as resource wasting, higher transformation...

In order to achieve the quantification analysis and visualization of poplar morphology, the technology framework of poplar simulation based on growth model is made. The paper carries out data collection and field observation, then the morphological structure parameters and knowledge models which can...

Museum display design is a display art, which needs to compose a visual display form with strong series of art image in a certain space environment, making the audience accept the exhibition information in the process of flow in a reasonable and effective way. This thesis analyzes the design theme of...

With the maturity and popularization of the technology of power electronic transformation, the power drag, rectifier circuit is used in great quantities in the application fields such as power system, which is including diode uncontrolled rectifier circuit, voltage type PWM rectifier circuit. To stabilize...

Since the wind turbine brake is not easy to replace and repair in the high-altitude operations, it requires high reliability and high braking performance. Accordingly, a dynamic model is established for the megawatt wind turbine brake. By simulating and analyzing the braking process, the braking curves...

The stress calculated method of isogeometric structure analysis is studied in this paper. Based on the fact that stress calculated values at Guass integral points are more accurate than other locations, the stress field can be rebuilt by fitting the Guass integral point’s stress value from the displacement...

To reduce fuel consumption, a simulation model of range-extended electric vehicle for city bus drive cycle is established and a fuzzy control strategy to maintain battery SOC is put forward. The fuzzy controller’s input parameters are battery SOC and the change rate of SOC. Confirmed by the experimental...

Aiming at the virtual network embedding problem under dynamic service request, Service Request Aware-based Dynamic Virtual Network Embedding (SRAD) algorithm is proposed. We first present virtual network embedding model, and then define virtual network construction cost according to the dynamic characteristic...

Use genetic algorithm for task allocation and scheduling has get more and more scholars' attention. How to reasonable use of computing resources make the total and average time of complete the task shorter and cost smaller is an important issue. The paper presents a genetic algorithm consider total task...

Hybrid power systems, formed by two motors and high-energy-density batteries in appropriate ways, provide high-performances and high-efficiency power for electric bulldozer. This paper firstly constructs the mathematical model of driving motors system based on the design of dual-motor-driving propulsion...

In order to improve the accuracy of feature extraction, a Multi-scale Fuzzy Entropy algorithm is proposed based on Entropy theory. The new algorithm combines the concept of Fuzzy Entropy and Multi-scale Entropy. Aimed at the shortage of Empirical mode decomposition (EMD), Index Energy is selected as...

ModBus Protocol is researched and developed by MODICOM company which owns its copyright.The research about Remote Transmit Manage Unit applies the opened ModBus protocol. The text of protocol itself is very simple and can be easily obtained.The protocol is surpported by both domestic manufacturers and...

In order to solve interoperability of the distribution automation devices and Plug and Play issues, propose intelligent power distribution model based on IEC61850, Stratifie according to the method of information: Master level feeder layer the terminal layer device layer layer monitoring. Use the face...

In order to study the stress and strain characteristics of working mechanism for a full hydraulic backhoe loader, a 3D entity model of the working mechanism was established by Pro/E, by importing the 3D model into ANSYS, the finite element model of organ was built by the interface of Pro/E, and three...

In this paper, the noises of images taken by Cannon40D and CMOS industrial camera are analyzed both in time and space domain without outside illumination. The dark random noise associated with time is very low, which means the system noise is almost uncorrelated with time. However, system noise in the...

In order to overcome the disadvantage of low accuracy for traditional monitoring technologies of river level, and solve the problems in real-time data acquisition and remote transmission for the existing hydrological observation, we design a new monitoring system of river level based on fiber grating...

In order to master load magnitude a drum and its changes under lacking picks condition, find out the influence on drum loads when lacking picks on helical vanes, explore failure reasons of a shearer drum, a mathematical model of shearer drum loads was analyzed and established in the paper, using Matlab...

With the continuous development of the global navigation satellite system (GNSS) and related technologies, the research of performance testing of navigation receiver has gradually become the focus attention of the satellite navigation industry. Due to the influence of environmental factors, repeatability...

Multi-dimensional applications use tree structure to store data and space filling curves to traverse data. Most frequently used Quad-tree and Z-ordering curve are analyzed. By importing these to a HDF5 file format, a multi-dimensional data storage subsystem is constructed. Performance test results show...

Presently, the slowly development of DFT is mainly due to the lack of effective testability validation. The validation is an important part of the DFT, it will accurately detect equipment Fault Detection Rate (FDR), Fault Isolation Rate (FIR), Fault Alarm Rate (FAR) and make sure other important indicators...

For a large set of data points, registration is time-expensive. In order to deal with this problem, we propose an improved Nearest Neighbor Searches(NNS) algorithm for 3D point clouds registration based on Graphic Processing Unit(GPU). In order to maximize the storage of data points in the memory, we...

The growing requirements of steel products qualities bring even tricky restrictions to the rolling process. With the fast response, reliable control and low maintenance requirements, the hydraulic automatic gauge control system has been widely applied to screw down the roller to maintain the precise...

Classic statistic method can not make use of the history test information and produce the evaluation conclusion with low confidence level and high risk under the condition of small sample, a new testability evaluation method based on test data in development stages is proposed in this paper. The result...

Along with the miniaturization of mobile terminals, antenna miniaturization is the trend of the development, because of its small volume, light weight, with carrier conformal and easy to implement dual-band, multi-frequency work, and many other advantages. This paper designed a model with multiple inhibition...

Ship collision, not only damaged the hull, threatening the goods, or even in a boat crash, serious marine pollution. The reason, is not difficult to find the vast majority of crashes are caused by voyagers negligence, negligence and serious violation of international regulations for preventing collisions...

An efficient approach based on particle filter and FCM is presented to realize moving infrared multi-target tracking under Island shore background. Some possible targets can be obtained and saved by processing IR data through denoising by median filter, extracting edge, identifying and eliminating sea-sky...

The fixed clamp should be installed inside the BOP stack for sectional blockage and tubing pulling job. When there is combined string in downhole, it causes inconvenience in replacing slips of different specifications because of pressure in BOP stack. To solve the problems mentioned above, variable diameter...

The piston is a "heart" of the engine and its working condition is the worst one of the key parts of the engine in the working environment. So it is very important for structural analysis of the piston. This paper analies and calculates the piston by ProENGEER software to gain a result, which improves...

Sparse representations using overcomplete dictionaries has concentrated mainly on the study of pursuit algorithms that decompose signals with respect to a given dictionary. Designing dictionaries to better fit the above model can be done by either selecting one from a prespecified set of linear transforms...

The elevator being used in field application causes several problems such as low level of mechanization and high intensity of labor. Therefore, electromotion elevator is developed and tested in this paper, which works with mechanized workover equipments. On the base of traditional elevator, the safety...

Based on the comparison between management thesaurus and management domain ontology, this article proves the necessities and practicalities of ontology-based management knowledge organization, and the significance of ontological approaches, which should be adopted to management information organization....

Plenty of round holes or especial holes distributed in measuring device and mold component with higher positional requirement, in general, are formed in WEDM technology. In the process of WEDM operation, whole holes with high requirement should be finished in one time, which can avoid of positional error...

With the development of society, all kinds of buildings with LED billboards constantly appear. The safety of LED billboards under wind loads is the focus for the public attention because it appears that lots of LED billboards have collapsed in the wind load and have crushed people. It is vital to study...

Two dynamic mesh methods— Radial Basis Function (RBF) method and Delaunay method which have been used widely in fluid-structure interaction recently were compared. Primarily, the basic theory of these two methods and the dynamic mesh process were presented. Furthermore, using the variable bandwidth sparse...

Power supply's performance is directly related to the performance of electronic devices. It puts forward higher requirements on the performance of computer switching power regulator with widely using of high-power in family and computer overclocking technology applications. In this paper, switching power...

This paper based on the analysis of precision and ultra-precision machining of the status quo, research on its development of new materials, new technology, machine tools and other aspects. Put forward that China should take a few basic measures, think about the future development of the field.