The conductor material properties such as resistivity and relative permeability have great influence on impulse grounding resistance of grounding grids in regular dimensions. The intensity of the influence is also different under different soil conditions. By building a 1:1 grounding model and using...

Based on the wind farm operating data of acquisition and analysis in real-time, analyzing the regional relativity and output volatility of wind power situation. Through the cooperation of the regional relativity and output volatility, we can know the relationship of the regional relativity and output...

With the Cross Linked Polyethylene (XLPE) power cables increasingly widely used in urban power transmission and distribution network, the reliable operation of XLPE insulated power cable line is becoming more and more important for economic and social development. [1] And there is a need to ensure the...

The RFID (Radio Frequency Identification) can be defined as Automatic identification technology which uses radio-frequency electromagnetic fields to identify objects carrying tags when they come close to a machine reader. In this paper authors designed the analog part using frequency 13.56 MHz in the...

This paper describes the 'buffering system in the RFID sensor tags'. Buffer circuit function is used in the data selection as a buffer. Two-sensor output which is an analog signal by a multiplexer owns a possibility of a very low value. The buffer circuit is required to maintain the signal in order to...

10 kV high voltage electric energy meter is manufactured using new full-fiber optical current transformer, model selection process scheme is proposed at all aspects, all-fiber optical current transformer is improved in combination with the existing problems found in production, and finished-products...

This paper introduces application of all-fiber optical current transformer to 10kV high voltage electric energy meter, proposes new application of 10kV current sampling by all-fiber optical current transformer, analyzes technical advantages of new 10kV high voltage electric energy meter and makes scheme...

Wavelet analysis and detection of modulus maximum are usually used to extract fault wave head. But for the actual transmission line, the existence of noise will affect the accurate extraction of wave head, leading to failure of location. To avoid the serious distortion caused by directly removing high...

China made a commitment in Sino-US Joint Statement on Climate Change that its carbon emissions will achieve the peak around 2030, and the percentage of non-fossil energy in primary energy consumption will reach 20% then. This paper aimed to analyze the how the targets could be achieved by the transition...

Gathering real-time tracking for Charge-discharge voltage and temperature values of lithium iron phosphate battery.We can take full advantage of the charge-discharge characteristics of the battery to optimize battery usage, and ultimately improve the efficiency of the battery.The battery performance...

An improved clival gate 4H-SiC MESFET with recessed drain drift region and recessed p-buffer layer (RDRP-CG MESFET) was proposed in this paper. The key improvement in this paper is the enhancement of the drain current and the breakdown voltage. The recessed drain drift region and recessed p-buffer layer...

This paper presents a real-time online monitoring system scheme for power transmission line to achieve the objective of giving early warning to disaster and making decision for extra-high voltage power transmission line. Monitoring terminals with a S3C6410 ARM11 processor as core is equipped on the line...

The main component of Analog to Digital Converter (ADC) Single Slope type is an Analog Unit. The analog unit is designed precisely to meet characteristics of the ADC. The ADC design has a resolution of 8 bits and frequency clock of 1 MHz . Openloop amplification of OpAmp is 66.42 dB. Set point voltage...

Titanates have great attention mainly due to its versatile properties that make their various applications in science and technology such as in electronic transducers, thin film capacitors, computer memory cells, etc. The thermal study of ferroelectric titanates RTiO3 (R = Pb, La, Ba) have been investigated...

the importance of location based service has been addressed frequently in various fields and the interest about core technique of various positioning scheme for indoor has been increased. The positioning scheme based on Wi-Fi is widely used because the infrastructure is already set up in many indoor...

This paper deals with the manufacture of electronic design of digital systems with HDL programming language. HDL design synthesized using Leonardo Spectrum software, it means HDL design that has been designed to be compile on IC design technology, so it can be translated into the form of schematic and...

The method of Integrated Circuit (IC) Design using Electronic Design Automation (EDA) tools consists of (i) Full Custom IC Design and (ii)Automated IC Design. Schematic-driven layout on EDA tools has provided to facilitate designer madelayout design before fabrication, the core is to make it easier,faster,...

Considering the importance of the data and equipment in the telecommunication room, it is necessary to ensure the security of the telecommunication room and prevent the intruders in the early time. In this paper, we proposed a security system based on the RFID and the video analysis. The information...

In three-dimensional space, the traditional algorithm of virtual force applies to continuous target tracking process is prone to problems of distraction and shorter time in keeping tracking of the target. Aiming at solving these problems, this paper proposed a suitable three-dimensional space deployment...

In this study, a three-layer artificial neural network(ANN) model was constructed to predict the explosion heat (Q) of aluminized explosive. Elemental composition was employed as input descriptors and explosion heat was used as output. The dataset of 24 aluminized explosives was randomly divided into...

Proposed a combination predicting method based on innovation grey theory and neural network to improve the precision of spacecraft power predicting. Established innovation GM(1,1)+RBF combination predicting model with optimal predicting precision according to the spacecraft power seasonal fluctuating....

An experimental work is obtained for the test force displacement curve of functionally graded Shape Memory Alloy (SMA) laminate subjected to three point bending test. The laminate is uniform and composed by five layers including three SMA layers and two ceramic layers. The relationship between the test...

It is hard to program a traditional forest sub-compartment management with a long programming cycle and high energy input and lack of computer technology support, such, this paper presents a visualization technology of the sub-compartment management procedure based on WF. The paper, with the programming...

Tree skeleton had great significance in constructing the three-dimensional model of the botanical tree and investigating the forestry. Based on the point clouds of the botanical tree collected via the terrestrial 3D laser scanner, we proposed a method of rapidly constructing the tree skeleton with the...

There are various computer modeling techniques based on the behavior of sound as a ray or wave to measure Room Impulse Response (RIR). The Image Source Method (ISM) is used to measure the RIR for various positions of source at different frequencies. The other methods are too complex, time consuming and...

Improved PSO algorithms combined with Simulated Annealing are proposed in this paper to solve the problems of the original PSO algorithm. After that three further improvements are proposed respectively from the parameters adjustment, the organization structure and evolution, and the topology structure....

This paper reports a compounded capacitive micromachined ultrasound transducer (CMUT), which has the potential of CMUTs for multi-frequency transducer applications and medical application both imaging and therapy. The compounded CMUT has a cell with low and high-frequency structures. we introduce a fabrication...

Through the understanding of China's Henan province Chinese yam way of harvest, as well as to the yam harvest machinery manufacturers of visit investigation, in view of the tuber's long 80-100cm trenching chain of Chinese yam harvester, optimized design of the reducer. First tractor for the selection,...

In order to improve peanut sheller’s shelling and cleaning efficiency, this thesis chooses the scraper shelling device on the basis of studying other peanut shellers. And it also determines the overall scheme design of sheller and introduces the scraper structure and working principle of the peanut sheller....

This paper mainly introduced the machatronic design of the 70Mpa 1600 tonne Incremental Launching system. Firstly, the 6 Degrees of Freedom adaptive mechanical launching device and its hydaulic system were described. Then, in order to properly statisfy the requirments of the launching function during...

This paper puts forward to a novel intelligent methods to reading point instrument to replace human reading. The images of pointer instrument are captured. Firstly a segmentation algorithm based on unsupervised learning is presented to segment the image for locating the scales and pointer. This algorithm...

This paper introduces the application of the virtual reality to train the operator of crane. Through the new method, we can improve the quality of training and ability of the operator of crane.

Experimental study was conducted to investigate the influence of the injection timing on the performance and exhaust emissions of an electronic control high-pressure common rail turbocharged direct injection diesel engine fueled with isopropanol. Diesel fuels with different amounts (0%, 5%, 10%, 15%...

For wind power full power inverter power control, as the power system switch device IGBT is established, and the application of SVPWM modulation technology and PI adjustment control strategy, in order to achieve the goal of power optimization. The PI control can realize power four quadrant transform,...

The paper describes the research conducted at the NNSTU named after R. E. Alekseev on development and creation of multi-clutch manual transmission with automatic control and pneumatic drive. We propose the general scheme of the transmission and clutch control, design modelof the clutch control mechanism,...

The paper represents a multi-stage control system of mechanical transmissions of trucks and buses, it considers the process of the system operation when starting the vehicle and the gear shifting. It represents a general diagram of the control program of the multistage manual transmission, built into...

Introduced the important influence on the forklift overall performance and job security of the fork structure parameters. Emphasized the pros and cons of the mechanical properties of the forklift fork structure. Analyzed the simplified fork structure and the rated payload then accomplished the static...

In this paper, the dynamic characteristics of some controllable floating raft test system are studied. The virtual dynamic model of the system is established in Adams, the acceleration responses of system in different damping states are simulated, and the vibration level differences of system in different...

It is easy to produce some defects on the adhesive interface of solid rocket motor, and it is urgent to develop a method on guided wave imaging detection. The propagation characteristics of guided wave dispersion and multi modes are analyzed. According to the propagation path, the guided wave imaging...

A new ultrasonic testing method used for the detection of solid rocket motor (SRM) composite shell is proposed, which does not require a coupling agent. The theoretical model of this method is established, and the effect of composite shell thickness, defect size and position on the detection result is...

Economic globalization and the integration process has led to competition among construction enterprises become increasingly fierce, which are adjusting their development strategies and efforts to seek for the knowledge economy and network environment to promote enterprise survival and development, enhancing...

Isolating the ultra-precision machine from vibrating base is importance in engineering fields. And the vibration isolation system is applied to reduce transmission of vibratory forces to the machine or the foundation. With the development of the vibration control techniques and force actuator in industry,...