Search all articles

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...