This paper designs a set of PLC technology, network information technology, configuration technology in the integrated monitoring and management system, which has the advantages of unified management, reasonable open source, optimizing the configuration and overall saving. In the process of water treatment,...

Network intrusion detection has been intensively investigated in recent years. In this paper, we propose an adaptive method based on ant colony clustering to discover unknown attacks. The focus of the method is the clustering process of an ant colony movement. The structure of the intrusion detection...

This paper mainly studies the distributed PV interface device how to realize the control of distributed power grid, and the interface to achieve the function of islanding prevention, the integration of relay protection, measurement and control, power quality control, remote control, harmonic control...

In this paper, the test for the laser gyro strap-down inertial navigation system is studied. The self-navigation and the integrated navigation are introduced. By comparing the measuring results with the real data, the accuracy for the integrated-navigation is obtained. The errors for the head, the roll...

A kind of integral type sliding mode control law was designed for a kind of simplified pitch channel model of hypersonic aircraft which is widely discussed recently. The advantage of sliding mode control is that it has strong robustness. And the integral sliding mode control method can reduce steady...

.The selection of Lyapunov function is depth studied with adaptive parameter identification, where a kind of simple first order system with two unknown parameters is taken as an example. The study shows that the selection of Lyapunov function is completely free, and the proportion of the parameter identification...

A kind of differential type sliding mode control law was proposed to improve the robustness of a kind of simplified pitch channel model of hypersonic aircraft which is widely discussed recently. The advantage of sliding mode control is that it has differential item which can provide a special damping...

In order to improve the reliability of power system, on-line monitoring and fault diagnosis for electrical equipment is very necessary. In this paper, we research on-line monitoring and fault diagnosis of transformer, building the gas online monitoring system in transformer oil, and improved transformer...

A new method for measuring the frequency of power system based on support vector machine is proposed in this paper. This method used the exploratory way, under rare sampling points, to fit the original signal with a single frequency curve. Then, through comparing the amplitude, the power system frequency...

The problem of harmonics compensation in power system was concerned in this paper. The method based on artificial neural network (ANN) about how to design the hybrid power compensation (HPC) controller was proposed. The HPC controller can automatically measure the harmonic currents and automatically...

A new harmonic analysis method for electric power systems based on triangle basis functions neural network was presented, the convergence theorem of the algorithm was proposed, and a window function and interpolation algorithm were employed to correct the frequency of fundamental waves. This approach...

In order to compare the value of several features involving leaf retrieval, we design an approach to evaluate 37 features about leaf’s contour, content and texture. Random forest algorithm is employed to rank these features’ contribution to leaf categorization. To forming the optimum features combination,...

We propose a novel carrier phase recovery algorithm based on constellation partitioning and maximum likelihood phase decision (MLPD) for square 16-ary quadrature amplitude modulation format in optical coherent transmission systems and verify its performance by PDM-16QAM simulation. Compared with classic...

Software-Defined Networking (SDN) is a new paradigm that decouples the control plane from data plane. But with the continuous expansion of the network scale, a single controller faces with scalability issues and may trigger a single point of failure. It is important to take into account the scalability...

In a wireless mobile communication, it is required to provide high-speed and high-quality communication services and orthogonal frequency division multiplexing (OFDM) due to a high bandwidth efficiency and resistance to multipath ability, etc., in recent years, widespread attention. Contents of this...

This thesis proposes a new wireless video surveillance system implementation, using Wireless Mesh Networks(WMN) as the data bearer network, using VLC video server to build the video transmission and preservation solution, using SD card to save the historical surveillance video and building an FTP server...

With the development of information technology, the automation level of electric engineering is continuously increasing. The extensive application of the PLC technique has enhanced the control effect. During the application process of the PLC technique, CPU plays a fundamental role, efficiently improving...

Campus id is an important part of the "digital campus" construction and foundation engineering, for the "digital campus" provides a comprehensive data collection network platform. This article from the campus id function module, provide a platform for other management system, fund settlement and system...

This paper analyzes the state of the art of urban rail transit integrated automation system, combining automation, information technology, intelligent trend in industrial applications the depth of integration, noting that urban rail transit integrated automation system will be based on existing real-time...

With the soaring development of economy, people’s living standards have been gradually improved, fueling increasing demands for power resources. In response to the trend, the traditional grid is evolved into the smart grid. In the smart grid, the communication system adopts the bidirectional technique,...

The emergence of the smart grid has put a higher management requirement of the current electric power communication network. In response to it, people must gradually realize intelligentization and upgrade of the communication management system, apart from increasing its efficiency. Geographic Information...

Face recognition is an important identification technology, which has broad application prospects. As an important biometric feature with high universal and non-contact collecting, face is increasingly being used for authentication. This paper describes the basic process of face recognition and briefly...

The Internet of things technology can realize the communications between persons and persons, persons and objects, as well as objects and objects. The IOT have wide applications in the area of computer monitoring system. This paper firstly presents the concept and operation principles of IOT, then expounds...

Cable is in the daily production, life everywhere. In power plants, factories, laboratories usually concentrated a large number of cables for easy wiring, maintenance, and beautiful. As people grow dependent on electricity, large concentrations of cable make the probability of fire accidents also increased....

With the rapid development of science and technology, sustained economic growth, social progress, a variety of engineering structures of today's society undergoing significant changes, material, structure, technology and other complex, and we will continue to large, complex , automation, and so the long-term...

In this paper, the clustering analysis is used to distinguish bearing fault pattern. Some time domain feature parameters are extracted from vibration signal, and the combination of three feature parameters are chosen from these feature parameters for the clustering analysis. The Euclidean distance is...

This paper briefly introduced a short-wave transmission system with fountain code technology based on MFC. This system can realize the real-time transmission of multi-media files.

The information security is very important for the secure, stable, economic and superior operation of power system. In the paper, the integrative power system and its features are introduced. The main contents of the integrative information security are explained, including secrecy, integrality and effectiveness....

With the number of old oil fields exploited by horizontal well increased, the complexity and difficulty to extract oil from reservoir geology promote the further development of logging while drilling (LWD) technology. Thus, the LWD technology develops from the initial no-directional shallow measurements...

An analysis method about the influence of relays contact resistance for the automated resistors which is based on a measurement of relays nonideal characteristics and two common automated resistor architectures in this paper. It can be used to evaluate the output accuracy theoretically for the automated...

Weak small signal acquisition is particularly important in electronic design and data acquisition. Effective processing of small signals must be magnified, while magnifying small signals can produce interference magnification and cause errors. In order to solve the interference and detune in small signal...

A core-shell nanosensor was fabricated by molecular self-assemble and evaporation technique in this paper. The optical property of that was measured based on the detection system of LSPR. The sensitivity of this core-shell nanosensor is 300nm/RIU and the decay length is 26nm based LSPR detection system....

In order to improve the dynamic measurement capability of magnetohydrodynamics (MHD) angular rate sensor (ARS) furtherly, this paper gives the error analysis of MHD ARS under the influence of a non-uniform magnetic field. In this work, the numerical simulation using 3D-Magnetostatic and FLUNET coupled...

With the rapid growth IoT (Internet of Things), indoor positioning system has attracted significant interest, especially in complex environment. UHF RFID system has the potential to estimate the accurate location of indoor objects due to the long reading range and multi-tag identification capability....

Modifying joint interfaces’ contact model of two spheres makes contact model more universal. On the basis of contact theory, energy dissipation mechanism and domain expansion factor’s effect, the elastoplastic fractal model of contact damping on two spheres is constructed. Numerical simulation results...

First of all, the paper would be introduce the study on portable virtual instrument technology based on the Android platform, then particularly in virtual oscilloscope as an example, focusing on the overall design of the system. Stratified in different signal acquisition system in order to meet the demands...

At first, this paper analyzes the family use combustible gases present situation and the existence risk, then atc89c52 single chip microcomputer based on, using sensor mq-2 gas concentration detection, to collected the gas concentration data as the basis for the control of sound, alarm device, to achieve...

An improved voltage-integration CMOS image sensor is presented. Some circuits is shared between the voltage integration block and the analog-to-digital convertor (ADC) through an optimal operation timing, which makes use of the different input-signals selected by the switches. Dynamic range expansion...

In this article, a design of a laser micro displacement measuring system based on the spectral interference of optic fiber principle is presented. This system makes the transmission and interference of laser occur in a single fiber. At the same time, a kind of athermalization probe based on the wedge-shaped...

We report on multi-pulse dissipative solitons generation in all-normal-dispersion (ANDi) long cavity Yb-doped fiber laser with a cascaded long-period fiber grating as a spectral filter. The mode-locking is based on nonlinear polarization evolution. It was found that through either changing the pump power...

Modern DC/DC Converter has characteristics of high efficiency, good output noise and low voltage ripple. It is wildly used in communication, computer, industry automation, military and aerospace. However, due to its strong nonlinear, time dependent and uncertain system, to some extent, conventional PID...

A gated InGaAs/InP single-photon detector based on a novel capacitance balancing technique was demonstrated. The single-photon detector is based on a gated InGaAs/InP avalanche photodioe. A quantum efficiency of 10% at 1550nm was obtained with a dark count probability per gate of 1.82×10-6 and an afterpulsing...

In the field of laser welding, image processing technology is the general method to detect defects on the surface of the seam. Here the Hough Transform is introduced into the defect detection and the accuracy is greatly improved. The process is to use the industrial CCD(Charge-coupled Device) camera...

To the synthetic aperture radar (SAR) imaging system which using Compressed Sensing (CS) technique, radio frequency interference (RFI) would undermine the priori sparse condition and cause deterioration of image quality. In this paper, under the condition of the sparse target scene, it builds the target...

A three-dimensional SCR reactor model of 660MW coal fired unit was established by using FLUENT coupled detailed reaction kinetics. The effect of different ammonia injection strategies and the specific surface area of catalyst on the denitrification reaction were studied by the model. The results show...

In response to the global climate warming and achieving economic and society sustainable development, low-carbon economy is indispensable. Electric power industry is huge carbon dioxide emitter in China, so there is a difficult task in the energy conservation and emissions reduction. The development...

HVDC control and protection system was introduced in this paper. The control generally use fixed-current control in rectifier and fixed arc angle control in inverter. The short circuit in transmission line is one of the most common faults in HVDC, so this paper choose HVDC bus differential protection...

Solar resources assessment is one of the basic works for planning and construction of PV station. Conventional method of solar resources assessment cannot meet the rules made by China’s power section to limit the output power fluctuation of PV connected to grid. This paper proposes a method to evaluate...

A submicron polyimide film (

This paper discussed the operation principle of reheated Rankine cycle according to the first law of thermodynamics and proposed a method to acquire the optimum reheated pressure ratio based on the highest cycle thermal efficiency. In order to verify the rationality and validity of this method, this...

When the asynchronous generator is running at steady state, inputting load will lead to the voltage drops, and it even cannot meet the requirements of load voltage. In order to maintain the terminal voltage stability of the asynchronous generator, SVC device adopts voltage control strategy to control...

The effects of homogenization treatment on the electrical conductivity, tensile strength and microstructure of Al-B electrician round rod were investigated by means of tensile test, optical microscopy(OM), scanning electron microscopy (SEM), energy dispersive spectroscopy(EDS). The results indicate that...

With the extensive application of information technology, Industry informatization has been developed rapidly, but the network security issues where come from business networks, the Internet or caused by other factors is increasingly appear in industrial control systems. This paper is designed a security...

Antenna plays an important part in the satellite, the surface precision of which has an impact on its function parameter named gain. This article finds the method of decreasing the surface precision of the antenna by dividing the mesh into diverse formals. And the technique is able to improve the property...

We set up a mathematical model in connection with sun shadow positioning technology and apply it to solving analytic function and parallel simulated annealing algorithm to establish the optimization Model with the objective function of the angles produced by the shadow changes and the minimum error between...

A novel of embedded storage and transportation status monitoring system and sampling terminal node based on ZigBee and embedded technology is designed to acquisition the status parameters of the special equipment remotely in this paper. Wireless transmission network is established by ZigBee technology...

Fuse is the key part of detonate control, and it’s state determines the weapon whether can accord to the scheduled model of initiation to achieve the objective of the damage or not. To achieve the best effect of damage, the fuse detector are used generally to detect whether the performance of fuse...

Train control system can achieve automatic control in the whole process or the part of process. The data of train control system in role is irreplaceable. Keeping train control system’s data transmission and exchange real-time and accurate, can make train safe. Completing the automatic generation of...

Influences of length, injected optical power, internal loss, differential gain coefficient and back facet reflectivity on remodulation in RSOA-based WDM-PON are investigated. The remodulation effect can be improved by optimizing structural, operating and physical parameters.

Modulation mode recognition has always been a major subject for domestic and overseas research scholars engaged in the receiving processing of satellite signals. The paper analyzed the high-order cumulants, characteristic parameters, square spectrum and quadruplicate spectrum of 5 most common modulation...

In this paper, a high-speed real-time spectrum analysis system based on GPU parallel computing was developed for the real-time requirements in the application environment of satellite communication spectrum monitoring. The system adopts high-speed ADC and high-performance FPGA as real-time signal acquainting...

From the perspective of information integration, as an example, this paper implements the integration of the central station of a satellite communication network, both horizontally and vertically. It proceeds from the satellite communication terminal equipments, redesigns connection between interfaces,...

The paper introduced the composition of a spectrum monitoring system based on MongoDB’s distributed database system, analyzed the key issues of the data management system design which should be resolved with special focus and provided specific storage solution design based on MongoDB with high performance...

An appropriate modulation scheme SC-PPM is considered in this article for the high density visible light communication (VLC) system. Compared with OOK, SC-PPM is a more power efficient and reliable scheme and it can achieve the requirement for both illumination and communication. An optimization problem...

The phenomenon of "low-resistivity" gas reservoir and "high-resistivity" water reservoir exist side by side, rapid changes of longitudinal resistivity of the water reservoir and gas and water mixed reservoir in the Su 54 area of Sugeli gas field which caused gas-water identification difficulty. First,...

Dynamic state estimation of power system is a sophisticated problem since voltage and current phasors under dynamic conditions are nonlinear and hard to be obtained. This paper presents a new power system dynamic state estimation method using Extended Kalman Filter (EKF) based on Phasor Measurement Unit...

In respect to the difficulties in power supply for online monitoring equipments at high voltage side, a new design of adjustable and rechargeable induction power supply is presented. A microprocessor is used as the central control unit, which can achieve the intelligent management and control of different...

Vibrating wire gages have earned their well-deserved acceptance on the basis of long term stability. But it is susceptible to external electro-magnetic noise. Anti-interference ability is the main study of various detection methods. Traditionally, time-domain approaches have been used to determine the...

To further improve the performance of CMA blind equalization, an improved algorithm with variable momentum controlled by equalizer weights energy was proposed. The momentum gradient algorithm can improve the convergence rate effectively. However the additional gradient noise would produce by momentum,...

For a class of uncertain discrete-time system with time delay and actuator faults, a state feedback controller is designed based on passivity control method. The possible failure of each actuator is described by a variable varying within a given interval. Our aim is to design a reliable state feedback...

Adaptive algorithms are widely used for acoustic echo cancellation (AEC). In this paper, an efficient switching tactic with advantageous features of NLMS and APA is proposed for AEC application. Switching points are decided by employing a smart voice activity detection scheme based on speech utterance....

Coplanar capacitive sensors have been widely applied in many fields with its characterstics of non-invasion, lowcost and fast response. Length and width of sensor electrodes, excitaion frequency are considered to affect the performance of the sensor. In order to improve the sensor performance, and to...

Aiming at the collision problem of RFID tag communication，we proposed a new method for identifying the RFID recognition of the blind separation of source signals, which is based on the label collision and recovery. In the case that the number of tags is more than that of the reader,we established a...

The design of radar signal analysis was presented in this paper, adopt the method of cable collection, wireless transmission, realize the radar signal test online. established the database of test nodes, board card, Subsystem combination, the fault relationship, structure, circuit diagram, maintenance...

Smile recognition has recently attracted significant attention due to the increasing accessibility in some digital products. Traditionally, the mouth feature has been extracted for smile recognition. However, it only extracts the features in the mouth region, ignoring the fact that face feature contribute...

in this paper, the ionospheric detector receiver analog channel are analyzed, and comb out the different kinds of common failures, due to the fault has the uncertainty and inaccuracy of how to modeling the ionosphere detector fault reasoning, and how to the ionosphere detector is a key problem for its...

the ionosphere detector is the ionosphere detection equipment, its can be long-term, effective and stable operation, relationship can effectively the ionosphere normal detection. Therefore, it is imperative to research on fault diagnosis of the ionosphere detector, this paper mainly analyses its transmitter,...

The combined overvoltage protection is a new type of overvoltage protection devices. Its principle and performance are the same as conventional lightning arrester. It also has unique advantages. Phase combined over-voltage protection can limit the over-voltage between phase and earth.While it can limit...

This paper based on the concept of direct lightning and induction thunder introduction, discusses the direct lightning in the calculation formula and its size (lightning over voltage amplitude is generally higher, up to tens of thousands of volts). In this paper, the calculation formula and the magnitude...

This paper's aiming at the standard transformer stage that they don’t have the obvious position for hanging a grounding line. For solving the problem, and develop a kind of special grounding line for the standard transformer stage. The grounding line is the copper mesh structure of three layer hollow...

his paper discusses the problems existing in the use of drop-out fuse: due to wind swing and other reasons, the bonding point of Cu-Al contact is easy to break, which may lead to the malfunction; the actual contact area between under contact and Cu-Al contact in transformer lead wire is insufficient...

In this paper, firstly, the non-linear longitudinal modeling approach is proposed based on the geometric shape of the typical structure of the hypersonic vehicle as the research object, combined with correlative hypersonic aerodynamic theories, and then local linear models are established near multiple...

This paper refers to the HAPC of 400mm single stand reversible cold rolling mill, establishing mathematical model, simplifying and reducing orders for system transfer function on the foundation of reasonable assumption. This paper also designs PID and LADRC for reducing order model and uses fuzzy adaptive...

PEMFC (proton exchange membrane fuel cell) Stack temperature control system is a strong-coupling system with characteristics of time-change, long-hysteresis, uncertainty and nonlinear. The dissertation studied PEMFC stack temperature control used by BP neural network controller which has a good control...

In the electric energy metering device, due to errors of a current transformer or a voltage transformer phase sequence and polarity, wiring false often happens in the electric energy metering device. It affects the accuracy of electric energy metering device and results in inaccurate metering. For this...

Through the analysis of TN-C and TN-S connection mode, this paper expounds the advantages and disadvantages of TN, the voltage distribution of the load is introduced through an example, and further introduces the necessity of developing neutral wire over current alarm device in the distribution network,...

Grounding technology plays an important role in ensuring safe and reliable operation of the power system and the personal safety. Grounding resistance as an important ground parameter, dictate the degree of electrical safety. This paper introduces the basic principles of testing the grounding resistance,...

Aiming to the problem of running with the capacitor bank balance protection action causing tripping, by on-site analysis of the phenomenon and the capacitor discharge coil voltage ratio test checks, secondary coil voltage has relatively large errors caused by the tapped discharge coil. When the system...

In this paper, the influence of distribution line tripping is analyzed by means of the combination of distribution line tripping case, from equipment, user influence, external factors and natural factors. Power distribution line tripping accident occurs, which affects the economic benefit of power supply...

With the rapid development of substation automation and network communication technology, IEC61850 standards promulgated and implemented, the traditional substation has been a gradual transition to the smart substation. In the collection intelligent substation energy measurement technology realized the...

This paper introduces several common shortcomings of work gloves in electric energy measurement, and focuses on the disadvantages of the spandex gloves; it expounds the method and technique principle of multifunctional gloves for electrical work and introduces the main parameters and field application...

Switchgear charged for fault detection, principles and methods the live test from switchgear partial discharge, analyzes the use of ultrasonic detection assays and transient voltage for the switchgear cabinet feasibility of fault diagnosis; using a combination of switchgear partial discharge founding...

This paper mainly explores problems in the test of surge arrester. In the test, because of the restriction of the field condition, the lightning arrester can not be fixed, and the requirement of the test condition is not satisfied. Can not guarantee the operation safety, the work efficiency is low, the...

The purposes of measuring the transformer load losses and short-circuit impedance are checking whether they can meet the standard requirements. The traditional transformer short circuit test method were analyzed in theory and combined with engineering practice, how to improve test methods have been researched...

This paper introduces a universal SF6 gas sampling interface device. When we test the SF6 gas, it was easy to choose a wrong joint or take fewer joints on spot. Due to the variety of the tested device valve, through the field usage situation, this device solves the defects of different type or manufacturer...

As a special commodity, electricity has the characteristics of the being produced and used at the same time and it is not physical visible. In order to avoid the loss in circulation of electricity, we should have a thorough understanding and accurate recognition of “power”. The watt-hour meter measuring...

Based on the development and application of the first 220 kV smart substation at Liaoyang Power Supply Company of State Grid Corporation of China and substation automation abroad, this paper expatiates the necessity of intelligent substation equipment and the composition and characteristics of the smart...

With working frequency voltage and current, mutual inductance voltage up to 30kV and mutual inductance current up to 50A, measuring instruments can not offset mutual inductance voltage and mutual inductance current interference. The current test mutual inductance parameter must be the same poles of two...

This paper analyzes the principle and test method of the grounding resistance. According to the analysis and calculation of the lightning accidents, prove the relationship between counter attack lighting and the grounding resistance. We also describe the basic principle of grounding resistance test....

Combined with the actual set of concrete measures are for preventing the transformer screens dendritic discharge fault. Aiming at the 220kV main transformer screens dendritic discharge fault, introduce the basic process of screens dendritic discharge failure occurs, proof insulation damp and gas is the...

In order to improve the fault detection and diagnosis infrared effect, describes the fault type infrared detection equipment; analysis of the factors affecting the accuracy of the temperature measurement; analysis approach proposed in addition to proper use, it also must be on a variety of factors that...

In this paper, the explosion accident of a 220kV current transformer in a 220kV substation is studied. It uses method of scene investigation and test to analyses the accident based on the principle and characteristics of current transformer. Through the analysis, this paper holds that reducing in main...

There is a clear boundary between primary and secondary devices in traditional substation. The intelligent demand of intelligent substation is analyzed. According to the design idea and method of intelligent substation, the integrated application scheme of the disconnecting circuit breaker, intelligent...

In recent years, the national renewable energy industry policies and incentives, Liaoning wind power has developed rapidly. However, the Liaoning Province endogenous wind power grid connected capacity increases year by year, squeezing annual utilization rate of the thermal power unit in the province....

In the paper, the antiaircraft missile is assumed as the researched object, and its inefficient factors and storage reliability is focused to be analyzed. The weaknesses of storage of the antiaircraft missile could be confirmed with its inefficient factors analysis of storage, reliability analysis of...

A kind of integrated machine was designed for community science popularization. It was built rich digital science resources, and information resource was customizable, updated quickly and targeted. So as to meet the individual needs of community residents. The integrated machine used touch screen, and...

For the order planning problem of parallel production lines in hybrid process manufacturing enterprises, a novel solving method of parallel production lines coordinating scheduling is developed based on bi-level programming theory. To maximize gross profit of unit output as upper level optimization objective,...

The transmission is widely used in various sectors of the important machinery and equipment, In this paper, based on fuzzy clustering analysis, the module of transmission is studied. Construct transmission components function and geometric correlation matrix, corresponding to the fuzzy equivalence matrix,...

With the development of space technology, topographic study of celestial bodies becomes increasingly important. In order to better carry out geomorphologic analysis and landing site selection of celestial bodies, the terrain classification becomes particularly critical. This paper provides an improved...

Aircraft hydraulic system is an important part of an aircraft, its reliability is of great significance to the aircraft flight safety. This paper puts forward an aircraft reliability analysis method of hydraulic control system based on the GO methodology, which is based on the thorough research of GO...

In this paper, an immune genetic algorithm based on the performance parameters of aeroengine and the adaptive, learning and memory characteristics of artificial immune system (AIS) was put forward to diagnose the fault of aeroengine. Firstly, we generate the initial detector according to the fault samples,...

With the development of modern vessels, higher requirements are put forward, such as higher power density, power split and power confluence properties. A new planetary gear powertrain for power combined vessels was proposed. The system has characteristics of multi-flow transmission, multi-ratio, multi-redundency...

The flatness and edge drop is a strong-coupled multivariable control system, so realizing the decoupling control of them is one of the most important issues to achieve the high-precision control. In this paper, the decoupling feedback controller and servo compensator are proposed to trace the target...

GPS Speed Measurement, just like position measurement, is a very widely-applied field. GPS can not only determine the real-time location of carriers in motion, but also determine the instantaneous speed of carriers . Therefore, at present, GPS speed measurement is also very widely applied. In view of...

Operation of cargo ship transport in the production of a very important link. Stowage of containers directly related to safety and efficiency of maritime transport, how many feasible options in seeking a relatively optimal stowage plan to ensure ship safety, reduce transport costs, improve operational...

Hand gesture recognition is an important topic in the field of computer vision, it has a wide range of applications, such as interactive games and sign language recognition, etc.. With the launch of the depth sensor, the task of hand gesture recognition becomes more simple. In recent years, there are...

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

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

LM566 is a monolithic integration VCO chip of integral-Schmitt Trigger Circuit type. It is the modulator and demodulator in teaching of FM circuit. Its operating features can be displayed vividly on software platform through simulation the chip to facilitate quantitative analysis. As there is no model...

The rollover warning system based on 3 degree of freedom(DOF) rollover vehicle model, which designed lateral-load transfer ratio as the control objective, additional yaw moment got with fuzzy control algorithm, distributing braking force to the wheel according to differential braking. The typical conditions...

Due to limitation of the optical fiber communication network coverage, the wireless technology is usually adapted to meet the requirement of applications in the smart grid transmission and distribution. In this paper, we study the electrical communication with integrated access technology to establish...

With the development of multimedia computer technology , interactive projection is becoming an interactive display system and entertainment in people's daily life.Interactive projector based on actual needs, design gesture based feature extraction algorithm Hu moments, identified by SVM classification...

Considering the low efficiency of manual detection method in photon devices fault checking, a new detecting method by image processing for photon device is proposed in this paper ,through the new method, photon device images are captured by camera which is installed on microscope, filtering ,mosaic,...

An indoor positioning scheme for a moving vehicle equipped with UHF radio-frequency identification (RFID) system is proposed by using Monte Carlo-based algorithm. By evaluating and updating the random sampling positions marked by passive RFID tags on ground, Monte Carlo algorithm can be implemented successfully...

Face detection is a key technology in the information processing field of face recognition. The paper proposes a new face detection method to detect the human face. According to the clustering characteristics of Cb and Cr to detect the skin-color, then the image is labeled. The paper summarizes and presents...

Behavior recognition and behavior understanding has been a popular topic in computer science. It attracted increasing interest in computer vision research community. Vision-based behavior Analysis has been applied broadly in many fields such as intelligent surveillance, perceptual user interface, and...

The first step of the license plate automatic recognition is the license plate location,therefore,the license plate location method is very important to the license plate automatic recognition.A license plate location method combining the license plate location method based on the HSV color space and...

Aiming at randomly sine-maneuvering target tracking in the precision guided system, a fast and efficient algorithm is proposed for multiple model adaptive estimation. The filter bank corresponding to target maneuvering model was adopted to estimate the acceleration of the target, which can improve the...

At first, this paper has summarized the theory of frequency doubling crystal, summarized suitable for uv frequency doubling of the characteristics of nonlinear optical crystal, put forward the theory basis of frequency doubling crystal KTP crystal, debug out of efficient cavity frequency doubling green...

In view of the temperature control system has nonlinear, time-varying and hysteresis characteristics, and traditional PID control method adaptability poor, robustness is not strong and other issues, using the combination of fuzzy control and PID method, designing temperature control system based on embedded...

To make the response of airship system to be quicker, a kind of terminal sliding mode surface was constructed which can make the pitch angle trace the desired value in a finite time. Also a Lyapunov function was given to prove the sliding mode method is right and reasonable. But detailed simulation result...

In order to illustrate the complexity of system parameter identification, this paper takes a simple one order system as an example, which contains an unknown parameter and an uncertain term. It adopts the adaptive method to design the identification rules of unknown parameters, and uses the robust control...

In view of the fact that the parameters can not be fully identified, which is frequently occurred in real adaptive parameter identification, this paper makes a deep analysis and studies the effect of the adaptive control law on the situation that parameter is not fully identified. In order to simplify...

A CMOS wideband low noise amplifier (LNA) based on distributed LC network is presented in this paper. Employing the distributed LC network, the bandwidth of the low noise amplifier is greatly increased without sacrificing the gain of the amplifier. The amplifier is designed in 65nm CMOS process. Simulated...

With sensor technology matures, wireless sensor networks in the field more and more attention and has been widely applied. As the wireless sensor network system behavior is heterogeneous, traditional wireless sensor network system design modeling focuses on single subsystem model behavior from the wireless...

The Internet of things is network connected things. Internet of things is generally divided into three layers, perception layer, transmission network layer and application layer. Sensing end of the sensing layer is the electric sensor mostly used currently. But with the rapid development of optical fiber...

Along with the social civilization progress and the development of advanced science and technology, automatic vending machines are widely used in bus station, shopping malls, hospitals, communities, schools and other public places, which brings great convenience to people's travel and life, such as all...