Appliances garbage not only has a lot of harmful substances, but also has a high economic value of precious metals gold, silver, copper, etc. It can be recycled to reduce pollution and achieve recycling of resources. TV sets, refrigerators, mobile phones and other electronic products also contain lead,...

With the development of Internet of things technology, the energy saving system has been investigated extensively. However, So far there is little research on multi-dimensional dynamic smart system. In this paper, a multi-dimensional smart control system was designed and developed based on internet of...

This paper introduces VL-mac, a media access control (MAC) protocol for visible light communication (VLC)-based cognitive radio systems. VL-mac provides a full stack of access control primitives for users that operate at visible light frequencies to access the base station and for the base station to...

This paper designed a circularly polarized (CP) horn antenna working at X frequency band in this paper. The stepped septum polarizer (SP) was used to convert the linear polarization into circular polarization for the discussed square horn antenna. The circularly polarized horn antenna designed in this...

A novel OFDM transceiver is designed and demonstrated in this work for optical access uplink and downlink transmission applications using continuous phase modulation (CPM) and demodulation. Electronic OFDM-CPM signals are offline generated by an arbitrary waveform generator (AWG) and a single-arm Mach-Zehnder...

To solve the problem of particle degeneracy and sample impoverishment in conventional particle filter, we propose the weight approaching particle filter(WAPF) to increase the particle diversity before resampling step for adaptive multi-user detection (MUD) in synchronous code division multiple access...

According to the problem that introduces the design of smart meters,which is based on ML610Q495 microcontroller and IDT90E23 measurement chip. This meter has the characteristics of wide range measuring and high accuracy RTC. In the range of 0.02A~100A current, the meter’s measuring accuracy is below...

In order to reduce the grounding resistance of the grounding device, people takes various measures, as shown below: expanding the grounding grid area, exterior grounding, utilizing natural grounding, deep well grounding, local soil replacement and the like. The paper introduces the principles and the...

This paper proposes a high-performance STM32 microprocessor issued by the STMicroelectronics for thedesign plan of the brushless DC motor. The special power-driven chip IR2136 is thecore of the drive part. The design of the system hardware, master software, and PC software are completed. The position...

Radio Frequency Identification (RFID) is an automatic identification technology towards maturity in1980s and a non-touching automatic identifying technology. In this system, collision is a frequent issue. The introduction of binary anti-collision algorithm makes it possible for dynamic adjustments of...

Ambulatory assessment of gait posture is a promising clinical tool to diagnose walking disabilities. This paper presents a method using non-invasive wireless wearable sensor system based on virtual and physical sensors to estimate the motion of lower limb. The data measured by accelerometers and magnetometers...

This paper first analyzes the constitution and function of sun grid engine(SGE) art job management system and then analyzes the network structure and the communication time is an important factor affecting the performance of a cluster. Based on the environment of cluster server, put forward the art job...

In order to investigate the effects of intermittent exposure extremely low frequency magnetic field on embryonic development of fish, Zebrafish was selected to serve as the study object to study the embryonic development effect of intermittent exposure to magnetic fields. Hatching fertilized eggs of...

The transmission expansion planning (TEP) problem aiming to improve the reliability of the power system is of great importance. In this paper, a DC power flow model with reliability is proposed for TEP. In the proposed model, three reliability indices are embedded into the objective. The reliability...

In order to researching the vibration characteristics of power transformer windings, the paper simulated the electromagnetic and structure coupling field of power transformer aimed at a type S11-M-500/35 power transformer and the 3D model of power transformer is built based on the method of multiple...

To meet the real-time requirements of industrial field, the hardware FPGA RBF fuzzy neural network is designed and implemented based on the 250000 door Spartan-3E (XC3S250E) chip of Xilinx. First the structure and algorithm of RBF fuzzy neural network is introduced, and then a kind of improved hybrid...

This paper summarizes the basic principle of correlation method in the flow velocity measurement, and then advances an improved algorithm of polarity correlation method. Since then has carried on the algorithm analysis of polarity correlation method and circuit implementation. Based on the Monte Carlo...

This paper introduces a rock pressure detection system based on one coil vibrating wire sensor , with STM32F103C8T6 as main control chip, using feedback low voltage sweep excitation method, making the vibrating string resonance state in a short time.The output signals of sensor after dealing with the...

The cusp catastrophe theory was used to establish the mine spontaneous combustion mutation model. Factors of spontaneous combustion were processed in quantization. Important conclusions were obtained about the mine combustion prevention and control.The application effect of cusp catastrophe theory and...

DC distribution can reduce the converter link, improve power efficiency, while make renewable energy access convenient, and there is no need to consider the stability of frequency, reactive power and other issues. As a micro-grid power feed part, DC/DC converter’s control method is particularly important....

In this paper, we propose a low complexity two-dimensional direction of arrival (2D-DOA) estimation in monostatic multiple-input multiple-output (MIMO) radar with double parallel uniform linear arrays. The proposed algorithm uses propagator method (PM), which does not require any eigen-value decomposition...

The vibration testing program including excitation location, control location and hanging location has important influence in the slender body two-point excitation vibration test. The modal test results will be referenced when selecting the testing program before the two-point excitation vibration test....

Based on the active decoy principle and analysis on fire-control radar working characteristic, a fire-control radar active decoy layout model covering the anomalistic layout is designed in this paper. By simulation, the relationship between decoying success rate and the radar’s position in decoy system...

According to a certain type of equipment, an order device test system is designed. The test system can totally accomplish whole machine performance test. For its handy operation, the time for equipment test and troubleshooting is greatly shortened, while the field battle mobile support capacity of this...

Temperature and humidity is the key feature in the process of equipment airproof storage, and its monitoring precise influences the effect of the airproofing of equipment, consequently, influences its battle performance. This paper introduces the design and realization of temperature and humidity monitoring...

Regenerative braking energy is one of the key technologies of urban rail transit system, but the application brings a large amount of problems, such as energy waste, temperature rising and grid voltage swing. This paper presents an approach to solve the above problems based on three-phase voltage source...

Aimed at monitoring dynamic human pulse and blood oxygen saturation for physical fitness, health care and other fields, a nontouch queryable photoelectric pulse oximetry terminal was designed. The terminal uses a transmission type oxygen probe to collect information of pulse and blood oxygen saturation,...

Ink-jet printing is an important part of the digital printing system; it has been widely used in various fields because of its wide adaptability, high-speed intelligent and low pollution. This paper chooses a kind of print head produced in XAAR company which works in dropping on demand manner. Firstly...

Many distance bounding protocols have been proposed recently, with encouraging results. However, there is no distance bounding protocol without final signature that provides success probability of attacker smaller than ( 3/4 )n in the presence of all frauds. In this paper, we propose a novel distance...

In large-scale urban adaptation and real estate development process, some protective cultural relic buildings and modern excellent architecture face the reality of being demolished, that will produce a large number of construction rubbish, pollute the environment , at the same time, cause a large number...

This paper proposed an implementation scheme of networked oscilloscope remote control system. Based on LabView platform, combined with remote control technology and network data transmission, an oscilloscope remote control system could be established. This paper analyzed the remote control system hardware...

In this paper, we combine two powerful tools to handle the video denoising problem: one is an effective video denoising method based on highly sparse signal representation in local 3D transform domain, and the other is a low-rank matrix completion based video denoising method. Similarly, in our algorithm,...

Designed to be compatible with the most popular integrated communications processors, host processors, and networking digital signal processors, RapidIO Interconnect Architecture is a high-performance, packet-switched interconnect technology, where parallel Low-Voltage Differential Signaling (LVDS) is...

A remaining capacity system based on C8051F022 was introduced. Architecture of the system was described, and hardware circuit was introduced in details, especially anaysed the electronic capacity acquisition circuit, and the design of the software was presented. The system had the fuction of parameter...

Based on the analysis of working principle and simplified model, a kind of magneto-rheological damper is designed and developed, which is used in vehicle seat suspension. Under different control currents and different excitation frequency inputs, damping characteristics experiments of magneto-rheological...

The filtration performances of PE felt and PTFE laminated membrane PE felt are experimentally studied. Although membrane filter give a higher residual pressure drop than the non-membrane filter, the same filtration cycle times are obtained because membrane filter has a lower curvedly pressure drop increasing...

The effects of many factors such as the properties of membrane and substrate, the lamination conditions on filtration performances of PTFE membrane filter have been experimentally researched in the paper. It is found that both the virgin pressure drop and residual pressure drop of membrane filters decrease...

4 kinds of filter media with different structures are chosen and their filtration performance is comparative studied in the experiment. The relationships among filter resistance, flow velocity, aerosol concentration and efficiency are experimentally researched. The effect of filter structure on the filtration...

Energy has become an important link in current sustainable development strategy. Construction of energy-saving building has become important development direction of urban construction in the future. Therefore discussion of building energy conservation has important significance on urban development...

Finger vein biometric is a novel technology for personal identification, and acquisition of finger vein image is difficult in finger vein recognition. In this paper, scattering and absorption characteristics of skin, muscle, phalanx and vein of finger under near infrared light are analyzed, and the mathematical...

In this paper, the optimal channel exploration is proposed for cognitive radio networks. In the networks, primary users (PUs) utilize the channels with fixed slot structure. Cognitive users (CUs) should sense the channels within each slot. We study the relationship of the channel states between the nearby...

Outdoor SVG (container-type) is especially suitable for limited space, such as old substations. The limited space of the entire device, and electromagnetic noise inside, especially that of the power chamber which is far higher than ordinary SVG. In the final analysis, the study on the law of change of...

SVG is the third generation static var compensator that performs reactive power regulation by sending out capacitive or inductive current. Since numerous high power electronic components (GTO, IGBT) and PWM technology are used, the intensity and type of electromagnetic interference generated by frequent...

in recent two years, electrical load in Fushun District increases continuously, and the impact and harmonic pollution on the power grid rises continuously, voltage quality problem becomes aggravated. Through multi-disciplinary analysis and demonstration, Fushun Power Supply Company installed SVC/SVG...

Compared with traditional reactive compensation equipment, STATCOM features complicated structure and numerous components. And STATCOM utilizes multiple redundancy technologies to meet long-term stable operation requirements of power system for the equipments in the substation. This paper introduces...

With increased smart upgrading and reconstruction of power grid in China, typical representative of the third generation dynamic reactive power compensation technology, i.e. STATCOM(SVG), has been used widely in power transmission and distribution network all over China with good economic and social...

At present, the application of transmission line insulator anti pollution flashover coating is mainly the room temperature vulcanized (Room Temperature Vulcanized, RTV) silicone rubber coating. Insulator coated with RTV paint, not only enhanced the hydrophobicity on the surface of the insulator, pollution...