Based on a new buffer layer, the characteristics of multiple proton implantations field stop IGBT ( MPI-FS-IGBT) were simulated and analyzed Different from the conventional field stop IGBT (FS-IGBT) which has an abrupt thin buffer layer and grade-doping field stop IGBT(GFS-IGBT) whose buffer layer was...

The key research of this paper is the algorithm that using pyramids to divide the arbitrary polyhedron. The core idea of this algorithm is as follows. Store the vertices of the outer boundary surfaces of the polyhedron anticlockwise, and store the vertices of the inner boundary surfaces clockwise. When...

Considering the high speed space targets, the real time processing is required with only a few snapshots. Meanwhile, the algorithm based on state space method performs well in the parameter estimation. In this work, we present a novel Direction of Arrival (DOA) estimation based on state space balance...

In recent years, Unmanned Aerial Vehicle(UAV) is widely used for power lines patrol. While it's more efficient than manually patrolling, the UAV may easily collide with power lines. So measures must be taken to detect the distance between UAV and power lines. This paper presents a real time power line...

The application of the Internet of Things, cloud computing, big data, mobile Internet and other modern information technologies in the transformation and upgrading of the whole industrial chain of agriculture is of great significance to accelerate the development of agricultural information and modernization....

An enterprise may benefit from software business outsourcing depending on the suitability of the outsourcing service provider. This research addresses the assessment of the contracting capability of software outsourcing vendors and proposes a decision-making model based on Interval Evidential Reasoning...

Supply Chain Partnership means a strategic relationship which is reached a long-term cooperation agreement between upstream and downstream entities in the same supply chain. Establishing a good supply chain partnership help to reduce the cost, shorten the reaction time and create the new market value...

Nowadays, the biggest problem that has influenced the using effect of wireless networks is that the transmission signals are easy to be affected by the external factors as well as the hardware equipments which are easy to be damaged, which lead to the phenomena like bad performance of transmission signals,...

The limitation of mobile environment and equipment, brings the new challenges for pervasive computing. This paper analyzes the problems existing in the traditional middleware technology in pervasive computing, puts forward the necessity of adaptive mechanisms in middleware implementation. Through the...

Demand response in power demand side management plays an important role. In this paper, we achieve the user electrical equipment monitoring through selecting of appropriate scale of residential customers, according to different power consumption behavior pattern, through the deployment of interactive...

The mathematical variable speed feeding model of the cutter is established in this paper, the curve of the cutter's feeding speed with the diameter of the log changed is deduced and a new-style hydraulic log-core veneer lathe control system is designed by the model. C8051F020 type single-chip becomes...

Low-temperature sintering of Pb0.995Cd0.005(Zr0.965Ti0.035)O3 ceramics was investigated using CuO as a sintering aid. Effect of CuO addition on the sinter ability, microstructure, and electric properties of PZT ceramics were systematically studied. The addition of CuO significantly promoted the densification...

In China, countless docking problem always exists in the agricultural production and marketing process. It often leads to blind planting and unsalable depreciated phenomena. Although the e-commerce is a good idea of exchanging supply and demand information and reducing the circulation cost, it faces...

Blue fluorescent material combined with red uorescent dye doped into tris-(8-hydroxyquinoline) aluminum (Alq) in multilayer organic light-emitting diodes(OLEDs) were investigated. Basis device architecture is indium tin oxide (ITO)/ N,N -bis-(1-naphthyl)-N,N -diphenyl-1,1 -biph-enyl-4,4 -diamine(NPB...

For reducing the injuries of pedestrians when the collision accidents between pedestrian and vehicle occur, the design of car front structure has been proposed based on pedestrian protection, the design scheme includes a mechanical cushion structure of car bumper and a mechanical bounce device of hood...

The ideal design of the bumper should take full advantage of the bumper plastic deformation to absorb most crash energy in automobile collisions. In the paper, the bumpers with different inner structure (circular cross section form and honeycomb cross section), different materials (Al alloy, structural...

Mobile Communication Technology is one of the most important professional courses of communication engineering specialty. Traditional teaching patterns from ordinary universities are not suitable for application-oriented universities. To improve the teaching quality of this course, unsuitable points...

Based on factor analysis, this paper study on the current product competitive factors in agricultural B2C platform. By analyzing the data that is the sales of commodities, price, number of popular, shop credit rating, and evaluation of commodity, and explore the factors of commodity competitiveness,...

In recent years, a new technology, container, has been developed rapidly. More and more services are deployed on a container. In order to ensure the high performance and high availability of these services, a system which can provide the technology of high availability is essential. Container, as we...

To mitigate growing cyber threats, this paper builds on previous researches on proactive defense and Software Defined Network to propose a SDN-enabled IP address hopping method design, including the basic model, detailed hopping process, key generation and SDN controller.

Inspired by the characteristics of sparse representation, we consider to recognize three military targets. To overcome the target-aspect sensitivity in radar high resolution range profile (HRRP), an improved dictionary learning algorithm, called auto-optimized fast K-SVD (AOF-KSVD), is proposed in this...

For plate mill, data communication between Process Control System (PCS) and other system are built with different communication methods. The communication between PCS and Basic Automation system (BAS) is based on the industry Ethernet. Every 200ms, BAS sends actual data to PCS, and PCS sends setup data...

For the purpose of mill Process Control System (PCS) debugging and optimizing, a new simulation method is used. The actual information of rolling process is gathered and sent to the PCS cyclically. This information is saved by PCS. During simulation process, the actual information is read and playback....

One of the keys to precise position of using double difference carrier phase measure is to resolve integer ambiguity. Least-square ambiguity decorrelation adjustment(LAMBDA) is relatively fast and precise in integer ambiguity resolution of double difference carrier phase measurement. The LAMBDA consist...

With the increase of LNG power ship, the facility and equipment of LNG fuel filling for LNG power ship have become an important problem. LNG filling vessel is a good development direction of LNG filling technology because of its advantages of self navigation ability, safety and reliability, flexible...

Music feature extraction is widely used in music recommendation system. The recommended music is somewhat similar in the form of melody. This phenomenon exhibits a repeating pattern that between the music set and the recommended one, which reveals that the similar music has the characteristics of fractal...

Exception Handling in Java and other languages make it possible to raise exception and attaching exception handlers to particular blocks of code. In most research, more people focus on testing of exception handling of programs, Alexandre L. Martins [1] force the execution of exceptional path to improve...

Multicore system is processors and the high speed network adapter is very common in cloud computing. So it becomes more and more important to make full use of recourses such as CPU, memory and I/O devices. However, traditional system architecture just consider about CPU and memory, cannot meet the need...

For problems in the process of building central air conditioning system to participate in demand response, including non-uniform communication protocol, non-uniform information model and lack of demand response strategy, we put forward the thinking and concrete scheme of research and development of the...

A pneumatic driven microfluidic chip system adopting a stepper motor is presented in this paper which changing the valve opening with a stepper motor and controlling the pressure of the gas cavity. The simulation model was built by using Simulink nonlinear module after expounding the structure and working...

With the datacenter becomes increasingly large in size, the energy consumption in datacenter grows rapidly. Energy saving in datacenter becomes a big theme. In multicore environment, virtualization provides an effective way to address this problem. Virtual machines (VMs) with their own tasks are run...

The fetal heart rate (FHR) is a significant indicator of whether the fetus in the mother's womb is healthy. Ultrasonic Doppler detection is extensively used in the detection of FHR due to its high sensitivity, good directivity, and non-invasiveness. However, analog multiplier demodulation is usually...

This paper has investigated the effect of hue on visual comfort and depth perception through subjective assessment experiments with the stereoscopic images generated by computer. The evaluation results indicated that the variable of hue would significantly affect the viewing experience under different...

For only one node assisting the cluster head node to send information in wireless sensor network cooperative transmission, an opportunity cooperative MIMO transmission scheme is proposed based on gradient algorithm. The results of analysis and simulation show that the cooperative transmission schemes...

This paper introduces the course construction in order to cultivate the students' engineering ideal and the practical ability. Teachers adjust teaching methods and teaching devices according to the students' feedback information. The project teaching of DC motor help students to understand the engineering...

In this paper,Aiming at the weakness that the commonly used traditional PID controller can not obtain good anti-interference ability and set value following performance, a two degree of freedom model driven PID controller (MD-TDOF-PID) based on Labview is designed. Proportional derivative compensator...

With the increasing complexity of automotive network, Ethernet is gradually used for internal communication. In order to satisfy the requirements of vehicle communication, the network needs to have the characteristic of seamless redundancy. IEEE P802.1CB is one of the TSN (Time-Sensitive Networking)...

We have designed a high-performance hydraulic controller for the hydraulic servo system with nonlinear characteristics based on the technology, which the high-performance TMS320LF2407 DSP has been adpoted as main processor chip. With the designed controller, we have developed a new set of hydraulic servo...

A road traffic safety culture construction concept was proposed which consisted of criterion layer and index layer. The frequency of issues that folks' focused on were analyzed based on the fuzzy analysis method, furthermore, the research results were classified by discrepancy quantification. At last,...

Previous research uses eye blink sensor technology to detect driver's fatigue, which has some limitations in the condition of wearing glasses and lighting changes. To overcome those problems, this paper proposes a way to detect fatigue for drivers through video images and grip forces on steering wheel....

Rapid progresses have been made in design and erection technologies of concrete-filled steel tubular arch bridge in recent years. However, the research on dynamic properties of this type of bridge is far from mature. Generally, the dynamic properties are analyzed using numerical models. This paper presents...

An automated testing method for vehicles' UDS (Unified Diagnostic Service) protocol stack [1] based on CAN bus is presented in this article. According to different diagnostic services, which are specified in ISO 14229-1, a strategy of generating test cases is designed by using a comprehensive method,...

We use USB camera and IMAQ vision to program on LabVIEW platform.We process the contionuous acquistion of image,include adjusting the brightness,contrast,gamma value of image, and cut the image with a specified path.the design is low cost,easier implementation and flexible operation ,It's have good prospects...

With the extensive application of machine learning. Deep convolution neural network (DCNN) learning method is developed on the basis of a multi-layer neural network for image classification and identification of specially designed. It has been improved and applied for single image super-resolution problem...

The remote sensing technology has become the important tool for the basic geological study in the strongly dissected topography and high altitude mountain area. Based on analysis of OLI remote sensing data, the optimal band combination of R: G: B is Band 7: Band 5: Band 4 according to the analysis result...

A new adaptive signal processing method based on empirical wavelet transform (EWT) is proposed for the fault diagnosis of grounding grid. According to the frequency domain maximum adaptive point is extracted to split Fourier spectrum to separate the different modes. The establishment of a set of wavelet...

In order to make the transformer insulation aging assessment and life prediction more reasonable, we established transformer evaluation model based on the operating load, environmental factors, the electrical characteristics of the experiment and oil chromatographic characteristics. Then we applied the...

Site error measurement of voltage transformer is important content of electric energy metering device administration, relating to accuracy of electric energy measurement and just trade settlement for power plant and power corporation. In this work, the error measurements of voltage transformer in different...

This paper introduces a choice of lower complexity for two different filtering operations based on Filtered OFDM (F-OFDM). The first filtering operation is implemented by linear convolution in time domain, and the second one is realized by multiplication in frequency domain (fast convolution). They are...

All-sky autonomous star map identification has come up with higher requirement on calculating speed and storage space. Error caused by rotation and location noise influences the performance of star image identification algorithms. So various algorithms include procedure of rotating star image to the...

Under the background of big data recent studies have revealed that emerging modern machine learning techniques are advantageous to statistical models for credit risk evaluation, such as SVM. In this study, we discuss the applications of the evolution strategies based support vector machine with mixture...

Positioning plays an important role in wireless sensor networks. As a low-cost and low-power location approach, the RSSI (Received Signal Strength Indication) algorithm is widely used in wireless sensor networks location. However, the RSSI value is usually affected by environment conditions, easily leading...

The advantage of nonlinear ultrasonic method in micro defect detection has been widely recognized. It has higher sensitivity than linear ultrasonic. Vibro-ultrasonic modulation(VUM) method was adopted in the paper, and fiber Bragg grating(FBG) was used to sense nonlinear signal instead of piezoelectric...

We proposed a method to resolve the problem of optical system defocus phenomenon by using the chromatic aberration of the single lens optical imaging system through reverse thinking. Furthermore, we designed and built the production which use SDRAM to collect data for CMOS image information literacy...

With reverse thinking, based on the phenomenon of chromatic dispersion, double monochromatic light sources scheme was used to solve the phenomenon of defocus in large-depth-field single lens digital imaging system. Two specific narrow bandpass filter was employed to filter the LEDs into two monochromatic...

We designed a multi-software-hybrid-programming digital image processing software for high definition single lens digital imaging system. In this digital image processing software system, LabVIEW ,MATLAB,Quartus ii and C++ are all employed to call DLL library to invoke the CMOS, read data, process image...

Photography is becoming more and more common in civil and military, and it also occupies an important position. Macro photography due to the shallow depth of field (a clear picture of small range).

Aimed at the temperature and humidity nonlinear variation and coupling phenomena in tobacco bulk curing barn, an intelligent temperature and humidity controller is proposed. The controller using a microcomputer and fuzzy decoupling control technique can meet the requirements of temperature and humidity...

Analysis of wind tunnel flow induced vibration characteristic is to understand the high-speed airflow caused mechanism of flow induced vibration, take appropriate to restrain vibration reducing body piercing vibration circuit. This paper introduces the characteristics of flow induced vibration source,...

The consumption of electric power is increasing with the continuous development of China's economy. The temperature rising limits testing is the important performance for low-voltage metering cabinets and circuit breakers. The strategy for temperature rising testing usually had many questions such as...

Low voltage molded case circuit breaker is widely used in the low voltage distribution system of customers. Along with the revolution of the electric power grid, Low voltage molded case circuit breaker in resident house takes more important intelligent function except of its traditional function. In...

Traditional near-infrared spectrum analyzer need to be operated in assistant of PC, therefore, they are usual expensive and larger size. Here a portable near-infrared spectrum analyzer based on ARM-Linux was designed to accelerate the process of measurement automation. The measurement setup was composed...

A multi-agent-based cooperative control strategy (MACCS) is proposed for hybrid renewable energy generation system with large-scale wind–photovoltaic energy storage units (WPSUs). The proposed system adopts the negotiation model of the contract net protocol with the non-fixed client–server cooperative...

Coordinated volt/var optimization is fundamental to power dispatch and stability of power system, a novel particle swarm algorithm based multi-agent(MAPSO) is presented. The algorithm combines particle swarm optimization algorithm(PSO) with multi-agent system(MAS). The PSO-MAS utilize an agent as a particle...

Based on OpenGL and Google library we established the target model library and the canny operator is used for edge detection. Combined with D-S evidence theory and Pseudo-Zernike moments, the air target recognition algorithm based on information fusion is proposed. Pseudo-Zernike moments are invariant...

When an aircraft is on a steady flight, there exists a series of jamming signals, which are detected and recorded by the airborne equipment. By analyzing those signals, the design of a stable platform controller of the aircraft in feed-forward form will be improved. During the analysis of stable flight...

The long endurance Autonomous Underwater Vehicle (AUV) could finish autonomous mission process without any human aids in a long time. As an artificial intelligence system, AUV has high independence, reliability and adaptability to ocean environment. An efficient architecture of AUV plays an important...

This paper presents an innovative method with the variable-learning-rate-based back propagation neural network (BPNN) for establishing a quality prediction model of tobacco redrying process. First, characteristics of the process and correlation of the process variables are analyzed, and eight input parameters...

In this paper, by using Cauchy inequality, monotonicity of functions, Hilbert type inequality with finite series version is established.

The undesirable accuracy of MEMS sensor limits the range of its application. The compensating method for MEMS gyroscope random drift error is discussed. According to actual test data of gyroscope, the equation of fitting curve was deduced and compensating effect of different kinds of fitting methods...

The suppression ability of sea clutter suppression methods based on AR model, phase space reconstruction and are analyzed. The simulation analysis method of naval ship target detection performance based on sea clutter simulation data - sea clutter suppression method – simplified signal processing] model...

According to the integrated recognition problem of the object recognition in the X band ground-based multi-function radar, an object integrated recognition scheme based on GRG is presented. In this method, the multi-factor statistics and analysis method in the radar effectiveness evaluation. This method...

Precision of ball screw had a great impact on the positioning accuracy of NC positioning platform. The lead error and backlash of ball screw, which could be accurately measured by laser interferometer, were two key factors affecting the positioning accuracy of NC positioning platform. By setting the...

This paper addresses the problem of scheduling jobs on parallel machines with machine eligibility restrictions so as to balance the workload among machines. A weighted bipartite graph model G=[J M,E,W] is used to formulate the studied problem. We propose a two-phase algorithm to find the optimal solution....

This paper mainly focuses on the content-based image search system. First introduces the research status of CBIR in China and abroad, and then proposes and illustrates two key problems affecting the accuracy of the system, summarizes commonly used methods to solve these two problems.

In order to remove the mixed noise in an image, proposed a new weighted filtering algorithm. The algorithm used 5x5 filtering window, divided the window into sixteen 2x2 sub-windows, took these median pixel of every sub-window as their virtual center, then calculated the weights of these virtual center...

The finite element analysis model of the crack fault gear with different crack depth is established by the modeling method, and the modal analysis is carried out by the finite element analysis method. In the modal analysis, the results show that the crack will have a certain effect on the stiffness of...

Image-based 3D reconstruction has many applications, but the reconstruction process is really time-consuming. In this paper, we have discussed several existing methods which can speed up the reconstruction, but many of them have their own limitations. After the analysis of image-based 3D reconstruction...

A new type of capacitive grain moisture on line measuring device was designed based on the measuring principle of non-contact parallel plate floating capacitor, which was suitable to continuous dryer under severe environment. The static batching measurement was used to improve the repeated accuracy of...

According to the requirement of grid connected photovoltaic power station and analysis of the topology structure and features of H bridge power conversion system(HB-PCS), a coordinated control method was presented in this paper. The method set current reference of HB-PCS to compensate reactive and active...

The small size of the city vehicle gasoline engine is the key point of the current energy saving and emission reduction. The application of multi stage turbocharger technology has become a research hotspot, which leads to a higher compression ratio, the average effective pressure in the combustion chamber...

It is found that some operating faults of the intelligent electric meters are caused by the performance of the built-in load switches. In order to determine the characteristics of the built-in load switches, the performance of the switches are tested and analyzed. The factors, including the complicate...

Arc ablation is directly related to the arc energy, which is proportional to the arc current and arc voltage. Existing fee control scheme of smart meter is that when power consumers delay the payment of electrical bills, the load switches trip; and when power consumers recharge successfully, the load...

In order to enhance the accuracy of precision marketing of goods and improve the precision of the intelligent search engine, we build the confidence model of commodity by means of using the fuzzy comprehensive evaluation method, to calculate the commercial confidence, which can be used as the foundation...

Recently, natural disasters like earthquake, flooding, and landslides evoke our intensive awareness. The first priority to be concerned is the home status left by people, because from which can we largely estimate the damage level of the catastrophe and manage the rescue action better. However, to investigate...

Accurate magnetostatic field computation for complex 3D ferromagnetic objects can be widely used to solve various engineering problems, while mesh quality is a key factor that can greatly affect the calculation precision. For complex shaped 3D objects, their mesh quality can be improved greatly by using...

At present, the national grid invested heavily to carry out the construction of smart grid. As a key component of smart grid construction, electricity meter is developed gradually from the traditional intelligent electric energy meter, which is an important intelligent terminal in the smart grid. The...

A voice announcement ultrasonic distance meter with temperature compensation based on embedded MCU has been designed. This distance meter project has been introduced into the electronic design lab course teaching in Zhejiang University. Some teaching method reformation measures have been taken, which...

The emulsification properties and emulsion stability of polyphenols on vegetable oils were investigated. Vegetable oil is always processed into foods existing as emulsions. In this study the author used edible oil-in-water emulsions stabilized by soya protein isolate (SPI) to investigate the differences...

The immobilization of lactase is a more attractive approach to overcome the disadvantage of the free lactase. In the presented work magnetic Fe304 fluid was synthesized by chemical coprecipitation and its surface was modified with sodium oleate. Then the liquid paraffin was used as dispersant and glutaraldehyde...

The micro-vibration caused by the locally unstable gas flow field of an aerostatic thrust bearing does always occur even if an invariable load acts on the bearing, which is harmful to the accuracy of an ultra-precision measuring device or manufacturing equipment. However, most researchers forecasted...

The device is made up of walking institution, lifting institution, package institution. Walking institution mainly by package rubber pulley composition, through motor provides power led pulley scroll, to achieve robot in overhead line of walking function; lifting institution is made by two big cantilevers...

In this paper, a linear power amplifier with MESFET tube is simulated and optimized by the application of ADS software and S parameter method. The MESFET tube is a kind of low distortion power FET provided by the company of Excelics and its tag is EFC480C. After optimizing the size of the power amplifier...

Both milling force and temperature are the key influence factor of thin-wall part deformation. Therefore, to study the influence of milling parameters including milling speed, feed per tooth, radial depth of cutting and axial depth of cutting on milling force and temperature in the cutting process the...

The Triassic continental shale from Ordos basin was selected as the research object, through the analysis of X-ray diffraction (XRD), field emission scanning electron microscopy (SEM) and nitrogen adsorption experiment, the mineral composition and pore structure characteristics of Triassic continental...

Shale gas resource potential is tremendous in China, the recoverable resources are 25.08 ×1012 m3. However, they mainly located in the arid area with lack of water, and clay mineral content of shale reservoir is higher, traditional water-based fracturing fluid used for shale gas development has defects...

Based on the panel data of SME firms in the manufacturing industry, this paper explores whether the involvement of venture capital can have significant impact on the manufacturing firms' performance in the productivity efficiency. The lagged value of the shareholding of VC firms is proven to be negatively...

The influence of hygrothermal environment on compressive property of woven carbon fiber epoxy resin composite was investigated via tensile and compress tests under different hygrothermal environment. Moisture absorption, tensile and compressive properties, failure modes, FTIR and dynamic mechanical property...

In order to determine the fatigue limits of two kinds of titanium alloy pipes connected by welding and rolling, the vibration fatigue tests were carried out according to Aero-Criterion HB5277-84 which defines the test method and failure rule[1]. The test adopted the displacement of the pipes' free end...

Based on the basic thought of industrialized building, one prefabricated external thermal insulation system ETIS with point supported horizontal keel was designed in this paper. Bad support was fastened on the structural wall and horizontal keel was fastened on bed support. Then panel was fixed on horizontal...