Since electric fires and induction hazards have a great influence on the safety of human life, in the process of electrical design we should take the causes of electrical hazards into consideration and give the corresponding treatment. This article involves the classifications and characteristics of...

Battery is still widely used in coal mine substation. Battery performance not only has direct contacts with its own quality factor, but also is closely linked with the battery charging methods. This article starting from the main factors influencing the performance of lead-acid battery, discussed the...

This paper introduces the design of a radar plane position indicator (PPI) fast debugging equipment based on USB. Hardware platform is a high-speed 16 channel date acquisition card -USB4716,which is based on USB. Its internal actual is 8 parallel 16AD module. The sampling length and sampling frequency...

In order to study the shift control of power split continuously variable transmission (PSCVT), the integrated shift dynamic models for the set of engine, magnetic powder clutch and transmission are established based on the analysis of its configuration and working principle. The shift simulation shows...

A simulated electronic-controlled engine experiment bench was introduced. The experiment bench is on the basis of Buick V6 electronic controlled engine, which mechanical system is removed, electrical components are kept and a set of systematically complete automobile engine electronic control system...

In geomagnetic navigation, the precision and matching efficiency are highly depended on performance of matching area's suitability. The paper summarizes the status and shortages of some main problems in choosing a suitable area, including feature extraction, building of matching feature system, analyzing...

In recent years, More and more attention has been paid to Unmanned Surface Vessels motion control field. An experimental platform for USV based on wireless communication was introduced for USV motion control algorithm experiments in this paper. The structure and implementation of experimental platform...

A kind of double terminal sliding mode surface is constructed with a subsystem with a terminal sliding mode. This new strategy is proposed to solve the height control problem of a kind of airship system. And the main goal is to compute a ideal pitch angel such that the height of airship can trace the...

Since the flash point of the electrolyte's organic solvent is very low, the use of improper dismantling way can easily cause the battery to ignite or even explode. Additionally, the residual voltage of the discard EV battery is very high, far exceeding human safety voltage. Improper dismantling way is...

By taking into account the hot standby structure of the redundant ATO system, the paper discusses the key technologies (including self-inspection feedback and fault clearing) for the digital output in the system and proposes a new method of the digital output in the redundant ATO system to discover any...

Currently the radio spectrum resource has become increasingly scarce. Evaluating the usage of frequency bands with existing radio services, strengthening management of allocated resource and improving the spectrum utilization have been becoming an important way of improving spectrum management level....

The massive adoption of the electric vehicles in the near future with the rapid development of the smart grid shall significantly affair the resident transportation worldwide, while the modeling and simulation are the key approaches in analyzing the effect of the electrification of the vehicles. This...

After the stage of higher tailoring, the candidate triangle pairs are still need to be further reduced to eliminate redundant tests in the stage of lower tailoring. This paper aims to propose a method to improve performance and efficiency in lower tailoring for self-collision detection of arm cloth simulation....

The amplifying circuit is designed to amplify small signal and realize the low noise amplification. This paper mainly studies and designs the small signal amplification circuit to make the weak signal to be amplified and transmitted without distortion. The research mainly includes the concept of low...

With the continuous development of social progress and economic and cultural, of gradually entering the information age, in the new situation of rapid development of information technology, science and technology constantly updated, electronic communications equipment as advanced science and technology...

Instant messaging technology in the mobile Internet has been widely recognized, the relationship more closely to user requirements can be more real-time multimedia communications, which requires a network connection in the mobile Internet is not very stable environment and provide a reliable instant...

Traditional smart home system is mainly used to form a wired manner, such as RS-485/X10/Lonworks/CAN and the like. Add or delete a wired network equipment will involve changes to the line, and large projects affect the interior decoration of beautiful, poor scalability of its systems, installation, commissioning...

As a support network of the smart grid, the reliability of electric power communication network has become the prerequisites of the smart grid to become intelligent and economic, and operate safely. This paper mainly studies the vulnerability of the electric power communication network, so as to provide...

With the rapid development of extreme high voltage technology, more large-scale electrical equipments are gradually put into use. However, due to the complexity of these devices on structure, and the electric field calculation in equipment operation will be confronted with great difficulties. Therefore,...

In recent years, with the development of key components of optical communications, wireless optical communication technology is developing rapidly, and gets a lot of attention and research. Wireless optical communication technology is superior to traditional radio communications technology, in that it...

This article introduces the error comparison of the improved wind power forecast system which changes the data input and re-models and the original one, which was done in Liaoning Zhong San Jia Wind Power Plant. Throughout one year's contrast analysis in 2003, it is found that the accuracy rate has increased...

In the current society, with the rapid development of science and technology, many new techniques have found increasingly extensive applications in various fields. The ZigBee wireless sensor network experimental platform is a representative technique, which has shown favorable functions and results during...

With the rapid development of the power system, there has been a higher requirement of the power transmission lines. However, the traditional power transmission line test usually adopts the helicopter aerial survey and artificial visual inspection, which might incur a high inspection cost but can hardly...

Based on the measured data of wide area measurement system(WAMS),a method of automatic trend identification for frequency in power system is proposed.Using data-smoothing technology to eliminate the influence of the signal noise such as burr to extract the overall trend of the signal and combining with...

Charging pile, an important supporting infrastructure, is necessary for the development of electric cars. In this paper, combined with Chinese actual situation, we propose that currently car manufacturers should implement the alliance charging pile model between car manufacturers and power grid enterprises...

Advance borehole is commonly used to prevent outburst in driving working face, while the influence scope of drilling is limited in deep mining, resulting in large drilling construction and taking very long construction time. A slotting technology by using self-excited oscillation pulsed water jets is...

Measurements of gas holdup and velocity are required in gas/liquid two-phase flow. Using electrical resistance tomography (ERT) technique, the cross-sectional image can be obtained, and hence the gas holdup is estimated. Combining ERT with the cross correlation flow measurement technique, the velocity...

Electrical capacitance tomography (ECT) is a technique developed in recent 30 years, which aims to measure multi-phase flow. The image reconstruction for ECT is an inverse problem to find the permittivity distribution in a pipe. The normalized capacitance measurements are needed during the process of...

In this study, we developed a new portable hand perfusion imaging system for rehabilitation evaluation based on laser speckle contrast imaging (LSCI). The new system measured perfusion changes in hand surface quantitatively. The hardware of portable imaging system consists of compact optical and electrical...

This paper reports the design and analysis of a novel pyramidal horn antenna based on Micro Electro Mechanical Systems (MEMS) technology, which is used in terahertz (THz) applications. The structure of the antenna includes two parts, pyramidal horn structure and rectangle waveguide for feed, the fabrication...

DC power distribution system can integrate the distributed power generation system effectively and fully utilize this important event to maximum. It can increase operation efficiency, enhance service reliability, improve power quality and interconnect distributed generations safely, this is a new developing...

Different energy systems were developed on the basis of the major equipment of distributed energy systems (DES). According to the demand of loads, energy prices, and technical and financial information about optional technologies, using non-linear programming, an optimization model for DES was established....

During recent years, the medium-low speed maglev system brings new chances for the development of maglev train related techniques, and traditional operation and control standards have been applied in its signal system design. However, as there are no wheel sets on maglev train, the positioning function...

Atomic and electronic structures of CrB2 (0001) freestanding ultrathin films are investigated using first-principles total energy plane-wave pseudopotential method based on density functional theory. The slab models are simulated for both Cr termination and B termination with different slab thickness....

Compared with the conventional adaptive spatial filter algorithm, blind beamingforming algorithm is endowed with the capacity to protect desired signal, suppress interferences and reduce noise without the information about arrival direction of desired signal, thus leading to the wide application in many...

Arti cial neural network (ANN) are widely applied in machine learning and artificial intelligence. But ANN usually requires large data throughputs and induces high power consumptions. This paper proposes an accelerator design guideline for ANN with full consideration of the hardware scale, performance...

The small current grounding system has many problems: low ability of extinguishing arc grounding and personal sense of electric system, none security and protection ability to indirect grounding overvoltage, equipment internal fault grounding. Especially with the rapid development of urban distribution...

Agricultural information technology is an emerging research direction with high effect agriculture developing. The paper proposes a design idea on monitoring and warning system for the environment of tropical crop growth based on technology of multi-sensor, database, computer interface, embedded programming,...

The theory calculation of power supply for distribution network often based on grid structure in planning stage. The period of reliability evaluation indexes are mostly one year. The impact of different load levels and periods are rarely considered. Power supply reliability analysis and calculate online...

An analysis of UHF 3dB coupler which is based on the even-odd-mode theory is presented, in which we present a brief description of the even-odd-mode theory and its application in coupled strip transmission line. In particular, as the rapid development of the stimulation technology, we introduce a simple...

Color stability is the key goal during the process of color dissemination and replication. The results of color consistent can be influenced by many factors. In this project, we focused on the error caused by measurement instrument, i.e. spectroradiometer. According to the radiance data collected from...

The interconnections of regional power network, wind power and other new energy connected to power grid make the operation of power grid more difficultly. The stability of power grid frequency mainly depends on primary frequency compensation (PFC) and automatic power generation control (AGC) of thermal...

In Today's world, IT technologies are growing day by day so the need of computing and storage are growing with it. The increasing of cloud services demands requires more computing resources to fulfill the end user's requirements. So, energy consumption by cloud computing resources is also increasing...

Human daily activity recognition is the foundation of automatic Ambient Assisted Living (AAL) system. In the paper, we propose a sensing model which can capture the discriminative spatio-temporal feature of human motion in an efficient way. The object space is separated into distinct discrete sampling...

The widespread of many-core processors brings new opportunities to enhance performance of PDES applications. MIC is a relative new many-core architecture compared with the widely-used GPU. In our previous paper, experiments for evaluating performance of a PDES simulator ROSS are designed and tested on...

The author designed a program for utilizing residual pressure of water pipeline, by which theoretical analysis and calculation were performed and the small residual pressure energy power generation device was developed. Theoretical analysis and calculation results show that the maximum input power firstly...

With the development of science and technology, the application of implantable biomedical electronic devices which play an important role in biological research and medical diagnostics becomes increasingly popular[1]. Nowadays wireless energy transfer is one of the most popular research field, it can...

With its advantages of good torque and speed characteristics, high-speed dynamic response, the brushless DC motor is gradually becoming the first choice for electric vehicles. In order to effectively solve the brushless DC motor control problems caused by the non-linear characteristics, so that this...

Switching function is a powerful tool for the research and performance optimization of converter, including voltage source converter, current source converter (CSI) and controlled PWM rectifier (CR). The paper proposed converter simplified model based on switching function, theory correctness compared...

In the process of infrared thermal image segmentation of distribution equipment, efficiency of the segmentation is low; it is easy to appear the over-segmentation phenomenon and cannot better segment the anomaly region of infrared thermal. To solve this problem, starting from the basic principle of the...

This paper discusses the nonlinear dynamics of Shen-Larter calcium oscillation model with the center manifold theorem and bifurcation theory. A numerical approach is provided to discuss the variation in classification and stability of equilibria with parameter value. It is shown that the critical values...

The paper aims at improving control of power plants on the system. Inaccurate predicting outcomes or oversize errors will impact fuel reasonable allocation of a power-generation department. In order to promote safe and economic operation of power grid, the paper analyzes power load forecasting, constructs...

A two-dimensional axisymmetric thermal model, whose heat flux is constantly changing both in magnitude and position, is created based on the temperature distribution in the process of EDM surface strengthening. Using the JMatPro software to calculate the TC4 material parameters with the temperature changing,...