In view of the practical situation, sometimes there is side error of the comb capacitor through superposition of the deep reactive ion etching (DRIE) process, and these manufacturing tolerances can lead to the movable comb fingers offset. Using the software of ANSYS to explore the electrostatic-structural...

An airborne strapdown inertial navigation system based on DSP is introduced. The TMS320F28335 and TMS320C6416 DSP chips of TI Company are used as the core components of the system, and the CPLD technique combined with the dual DSP structure of strapdown control and solution are used to realize logic...

In order to study the propagation characteristics of the Ka-band mobile satellite channel, the influences of weather impairments (rainfall, clouds, etc.), the multipath fading, and shadowing fading on mobile satellite communication are analyzed and taken into consideration simultaneously. After the corresponding...

The privacy protection in the smart grid is particularly significant, since sometimes the leak of the user power usage habits may lead to serious consequences. In 2015, Siu-Ming Yiu and Jin Zhong have proposed a privacy-preserving scheme which can protect each user’s future power usage plan. However,...

Recently Liu et al.(Int. J. Theor. Phys. 53:4079, 2014) had shown that a special form of three-qubit entangled state can be teleported by using a five qubit cluster state. However, we demonstrate that five-qubit cluster state and five-qubit von-Neumann projective measurements are not necessary to complete...

This paper demonstrates that an arbitrary -qubit state can be faithfully and deterministically teleported from Alice to Bob via pairs of EPR channels. The analytical expression of the reconstruct criterion is derived explicitly in the most general case, with a strict proof through mathematical induction...

This paper designs a half-bridge IGBT inverter switch solid laser power. This power has realized great energy work for more than 20 hours in succession. It is reliable and steady. Its switch frequency is in about 25 kHz. We have adopted the modules to design, have strengthened the interchangeability...

Chatter easily exits during cutting process of damping boring bar. In order to save development cycle of damping boring bar circuit, nonlinear model of damping boring bar is established with help of SIMULINK model of MATLAB. Modular layout of corresponding arithmetic logic unit is designed under modular...

In the experimental study of the film’s thermal damage, an extremely high power density is needed. In order to achieve such high power density, the incident beam is generally converted. In this situation, the cone’s angle of the converted beam is inevitable. A narrowband filter optical film is taken...

1/3 of global consumers will be intelligent mobile phone users to 2018 and the total number will be more than 2560000000. Mobile phone charging will certainly be a major problem in future society, especially charging in public. This paper analyzes and comments the development status as well as various...

There are a number of folders at today's workplace. Although some people will spend time to arrange them neatly, when the quantity is abundant, it is not easy to identify them from a lot of files. The workers are being affected by these complicated problems. Even small problems sometimes are annoying....

The tamping operation is employed to restore the geometry of railway track distorted by train traffics. In order to study the micro mechanical properties of railway ballast under tamping operation, the analysis model of railway ballast under tamping operation is created using the discrete element method,...

Finite element model of a 220kV transmission tower was established in general software ANSYS. The constrained method of the freedoms of tower foots with foundation settlements was proposed. According to the monitoring data of the non-uniform settlement, the relative settlement values were applied at...

Wireless transmission of electric energy has always been a dream for people. The wireless power transmission technology based on induction coupling is the easiest way. We studied the factors that affect the magnetic coupling wireless power transmission system by combining the theory, the software simulation...

This paper presents a multi-spectral infrared image processing method, including image recovery, radiometric and geometric correction. Image recovery including pixel filled, positive and negative dislocation correcting sweep, reverse sweep consistency correction, within spectrum response consistency...

This paper addresses the problem of wideband time-frequency-varying signal sub-Nyquist sampling and reconstruction based on compressed sensing (CS) framework. We propose a system of blind and sparsity level adaptive signal reconstruction for wideband signals with sub-Nyquist sampling. We utilize modulated...

Self-healing is an important feature of intelligent distribution networks. Self-healing includes the abilities of self-perception, self-diagnosis, self-decision and self-recovery. In this paper, a adjacency matrix of the distribution network is used to determine the network fault perception and make...

Integrated transmission is the key part of heavy vehicles, and its reliability could impact the performance of the vehicles directly. This paper proposes a fuzzy multi-state fault tree method for reliability analysis of the integrated transmission system. On the one hand, the multi-state logic tree can...

It needs to put structure of boundary scan in the circuit board for improving the controllability and observability of the device in complex circuit board. At the same time when structure of boundary scan improves pcb-level circuit testability, it also increased the complexity of circuit design which...

This paper proposes the scheme of a flexible piezoelectric generator. The generator using direct piezoelectricity of PVDF, can covert wind power to charge output. It possesses such advantages as: light, small-sized and better flexibility. Using FEA method, this paper carries out modal analysis and harmonic...

Impulse interference is one of the major interferences in power system, and the existed algorithms mainly focus on narrow-band interference when using wireless communication, which have little effect on impulse interference. Aiming at this problem, this paper proposes an impulse interference suppression...

Wireless communication network is a key component of Electric Energy Data Acquire System. With the increasingly complicated communication environment, it is essential to detect the Interference introduced by other systems and provide the priori information for the Subsequent interference suppression....

The vulnerability of power system is always one of hot areas, which was concerned by many researchers in last several decades. In this paper, a state vulnerability assessment model and index based on the margin of voltage stability is introduced, namely comparing the margin of the actual operating voltage...

As a country whose resources are deficient, Japan is being positive in exploring new energy and ahead of other countries. Electric power, as an important form of energy, is both primary energy consumption and secondary energy production industry, and Japan has made enormous efforts in new energy application...

First this paper expresses kinematics relationships of Plane clearance revolute air and spatial clearance spherical hinge using absolute nodal coordinate method. This paper introduces a computation model of continuous normal collision force which can consider dissipation of collision energy. In the meantime,...

In view of the faults of the traditional single Door-Controller,a single Door-Controller Based on intelligent Door-entry system through CAN bus is designed which combining the CAN bus with infrared coded remote control technology.The controller consists of STC89C55 single chip,CAN controller,data memorizer,the...

Wireless sensor network has a broad application prospect in the national defense military, medical services and traffic control, and other fields. As the power energy of the wireless sensor network is limited, therefore the effective use of energy becomes a core problem in the sensor network query processing....

According at the inconsistency problem of a large number of electric vehicle lithium in battery group in series, this paper designed the control strategy of hold open circuit voltage, charge and discharge balance and the end of the interrupt equilibrium. This paper combined with the kinematics sequences...

The pulse sequence is an important part of the magnetic resonance imaging (MRI). It is directly related to the resolution of medical image obtained by MRI, and other important parameters such as the imaging speed etc. Therefore, it is very important to develop newer and more efficient pulse sequence....

In view of the present smart substation-area protection situation which exists some traditional relay protection problems, this paper put forward a kind of smart substation-area protection based on multi-Agent technology, which combines with the characteristics of the Agent in the relay protection and...

To propose the methods for cogging torque reduction in permanent magnet machines, theoretical reasons of cogging torque are studied in this paper and the qualitative analysis is performed before quantitative calculation with finite-element method. And the effects of slot opening widths, unequal thickness...

Finite impulse response (FIR) filters implemented in binary weighted number system suffer from the carry propagation delay. To accelerate the FIR filtering process, a design method is proposed on the basis of residue number system (RNS), which has been considered as an important methodology of high-speed...

A 5-Gb/s transceiver in 90nm technology has been presented in this paper. To mitigate the effects of channel loss, a 4-tap feed-forward equalizer (FFE) is included in the transmitter. Meanwhile, the receiver employs continuous-time linear equalizer (CTLE) to amplify high frequency signal. The clocks...

Spread-spectrum technology produces a transmitted spectrum much wider than the minimum bandwidth required and links as a means of overcoming intentional jamming. In this paper, we provide a brief outline of the theory of the spread-spectrum technique. Then we apply this technique to FSK system and give...

Based on the synopsis of electronic information system and technology readiness theory, this paper puts forward the technology readiness model and the technology readiness levels of electronic information system, sets forth a series of technology readiness criteria, gives an application of technology...

A kind of DFT process used for signal operation in real time is proposed. The complicated environment for modern electronic counter and the appearance of new radar systems put forward a new lesson to sub-collect the signal and track the signal, especially in real time. With the background of high speed,...

Protection and control circuit is indispensable part of the precious, precision electronic equipment which use 24v power supply. This paper introduces a kind of protection and control circuit which is superior performance, simple, economical and practical of 24 v power supply control circuit.

In this paper, based on the phenomenon that Colpitts oscillation circuit is hard to work when condensation occurs on the surface of the quartz crystal, a new dew point measurement device is developed, and it is mainly composed of a quartz crystal and a Peltier module. This measurement way is both rapid...

All the factors causing distribution system faults are analyzed for improving safety and reliability of power system. Comprehensive and scientific evaluation for distribution system faults are made by fuzzy comprehensive evaluation method and the ordering is done by their severities. This method is able...

According to the characteristics of the electronic equipment fault diagnosis and maintenance training, graphical fault diagnosis system was designed. That the graphical training system of fault diagnosis composition, database design and data graphical representation was mainly introduced. The system...

In view of the equipment operation training, a portable equipment virtual training system based on android platform was designed by us. Through the 3D Unity engine technology and the reasonable use of gesture touch technology, the simulation and interaction of mobile equipment were realized, the convenience...

In this paper, for the safety risks such as complex working environment of the distribution live work on 10 kV, the safety risk of the distribution live work on 10 kV of multi-circuits on the same tower in a certain town of Benxi is evaluated by using analytic hierarchy process and fuzzy comprehensive...

In the distribution network, pole-type transformer is not only the most common device related to power supply safety and environmental beautification, but also in a large amount of number and needs a large number of maintenance. It is difficult to achieve the standardization. In view of the existing...

With the increasing need for flame-retardant optical cable currently, requirements for flame-retardant levels of optical cable differ in various occasions. This paper introduces the differences between optical cables with different flame-retardant levels, focuses on describing the design of a fire-resistant...

Live work on distribution network is an effective measure to avoid interruption maintenance and ensure normal electricity services. This paper mainly describes the organizational and technical measures and safety precautions for the live work on distribution network.

The rapid power grid construction has raised higher requirements for the safe and reliable operation of transformer so as to reduce the operational costs. Under the new maintenance model, the maintenance should be timely exercised and issues properly handled if necessary so as to ensure the implementation...

Substation plays an important role in the power transmission system for it is a connecting link between the preceding and the following, and fire proof is an important link related to whether substation runs safely. In unexpected events, the normal operation of fire proof system is very important in...

With the rapid development of China's social economy, the demand for power is increasing, and the construction of the power distribution network is valued by the power supply units. In the power distribution network, live work has a certain risk, so the operational team of high level should be built,...

The condition of secondary circuit directly determines whether mechanism box can be electrically operated, and qualification of the maintenance of the whole equipment depends on whether electric operation is in place and meets the requirements. Therefore, maintenance of the secondary circuit is the beginning...

In this paper, a new method of joint control of seam tracking and welding quality was used. Arc sensor gets the welding deviation information and ultrasonic sensor gets the welding penetration information. Using the fusion algorithm of combination of optimal weight and recursive least square algorithm...

A novel substrate integrated waveguide (SIW) cavity-backed antenna using quarter mode SIW is proposed in this paper. The quarter mode SIW antenna is realized by splitting the SIW cavity into four parts along the fictitious quasi-magnetic wall, which can preserve the field distribution of original SIW....

In view of the key technology of solving ambiguity of high precision move positioning, due to the traditional LAMBDA method to solve ambiguity, the passage improve and put forward a double-frequency observation model calculating ambiguity wide lane. Combined with the observation model and partial data,...

Analyze the signal synthesis process on Matlab theory platform, based on the theory STC15W1K24S chip and 4 road 8 digit serial d/a TLC5620 produced by TI Company are designed to be a signal synthesis circuit system. By using the system module we can created the one, three, five, seven time’s harmonic...

Due to the different fault characteristics of the micro grid under the two kinds of operation mode, which are connected to the main grid and the isolated mode, and the various topological structure and the internal tide make for the traditional relay’ malfunction. The paper proposes a fault area localization...

Ce-doped ZnO thin films were deposited on simple glass substrate and SiO2 substrate by sol-gel technique. The characteristics were studied by X-ray diffraction (XRD), atomic force microscope (AFM) and photoluminescence (PL) spectroscopy, respectively. The X-ray diffraction (XRD) experiments shows that...

In this paper, considering the load, wind power and photo voltaic timing characteristics, stablishes a planning model containing distributed power energy storage device. In the planning model, the minimization of the total cost including the initial investment, fuel costs, net loss costs, environmental...

Converter valve was the core equipment of HVDC power transmission project, followed by the three-phase AC voltage was connected to the DC side to get the desired DC voltage and realize the power of control, its value accounted for about converter station complete sets of equipment for a total of 22 ~...

Converter valve cooling system circuit consisted of internal cooling system circuit and external cooling system circuit. ±800kV DC power transmission converter valve water cooling system circuit was introduced in this paper. Certain cooling medium flow rate through the pressure of the main circulating...

To control the output voltage by adjusting the size of the sliding rheostat, Aiming at the problem of its output precision and control, A digital adjustable power supply system based on single chip microcomputer is designed. System makes single chip microcomputer (STC5616AD) as the core controller, makes...

Line losses are needed to be calculated before overhead transmission lines put into operation, and meanwhile AC resistance of wires determines its resistive losses and transmission capacity. In this paper, we compared several commonly used methods of AC resistance, obtain their advantages and disadvantages,...

Nowadays, as a useful tool, the laptop is commonly used in our daily life. However, due to the poor heat dispersion capability, the working efficiency of the laptop has been decreased a lot. In order to solve this problem, many users tend to purchase an extra radiator for the laptop, which is a waste...

The rapid development of power system communication enables Power Communication network communication devices become more complex, more and more communication lines, which give the communication resource management, especially resource management circuit has posed a serious challenge. This article also...

Optical current sensor has a wide range of applications. The main factors that affect the practical process of optical current transducer (OCT) are the effects of birefringence, temperature and long-term stability. Optical current transducer (OCT) with thin slice type sensing head is designed in this...

The real-time is an importance on judging the performance of the image processing system . The instantaneity means the system must have the reaction in the definitive time . In this research , the time in disposing an image must be limited in millisecond from receive the image to operate and report the...

Due to the heterogeneity and the nature of distributed control, the existing electric power data communication network based on Synchronous Digital Hierarchy (SDH) has been unable to meet the requirements of dynamic resource allocation and fine-grained traffic monitoring. The OpenFlow-based Software...

The rapid growth of data service promotes the construction of the electric power telecommunication in smart grids. With the objective of energy savings, we determine the optimal location of the data center with the minimal energy cost within all possible positions. An Integer Linear Program (ILP) is...

Influencing factors of electron microscopy spatial resolution and information resolution were reviewed in this paper. The methods to improve the resolution of electron microscopy were discussed from the aspects of choice of electron gun, spherical aberration correction, chromatic aberration correction...

Based appear for magnetic navigation system for substation inspection robot navigation course accumulation of errors phenomenon, fuzzy PID control algorithm is applied to inspection robot navigation system, navigation path through the logic of correction, to achieve stability navigation. On the movement...

In order to satisfy the requirements of power operation scene safety monitoring, and lessen the human accidents, wearable technology was applied to power operation scene, and a wearable safety monitoring platform was presented. This paper illustrated the solution of the platform, the design of smart...

A distribution network reconfiguration model with wind power generators is proposed, and an improved genetic algorithm is applied to minimize active power loss. Forward and backward sweep approach is adopted to calculate the power flow. In addition, the strategy of searching random spanning trees is...

Currently, most countries and regions often use chemical method to increase oil production of oil well in the middle and later stages. Although some results have been obtained in field application, the disadvantages of this method are obvious—the long-term use of polymer chemicals, which not only directly...

This paper introduces a backscatter link frequency (BLF) algorithm featuring high stability for passive UHF RFID tags, which is fully compatible with Information technology -Radio frequency identification- Air interface protocol at 800/900 MHz(GB/T 29768-2013) called National Protocols. Not only are...

Tunneling field effect transistor(TFET) suffers from low drive current along with severe ambipolar behavior. To resolve these bottleneck issues, a novel double gate tunneling field effect transistor with InAs source(InAsDGTFET) is proposed in this paper. By optimizing the proposed device parameters,...

Combined heat and power (CHP) micro-grid combines various distributed generation units, heat supply units, energy storage equipment, electric load, heat load and control devices together to provide users electricity and heat simultaneously. Heat and electricity could be transformed mutually under grid-connected...

Overhead distribution line is easy to suffer lightning trip upon strong thunderstorm due to its low design insulation level, which will reduce reliability of power distribution system. Considering the random annual changes of thunderstorm characteristic parameters, a long-term reliability model of overhead...

In the vehicle energy management and battery management system, the parameter monitoring system of the battery is the important basis to ensure its operation. The new observation system for state of battery is designed according to the principle of storage battery and its charge and discharge characteristics....