A kind of traffic lights automatic recognition and position approach which combines color filtering and flood-fill algorithm is discussed in this paper. This approach firstly conducts color analysis in the subspace of hue and brightness of HSV color space model. Then, it processes to filter traffic lights...

Research object was middle-aged plantation of Cunninghamia Lanceolata in Huangfengqiao national forest farm, You county, Hunan Province. Ratio of crown inclination(RCI) was set up as a index to signify crown inclination in research. Ratio of crown inclination in east, west, south and north were calculated...

Pipes with supported ends conveying pulsating fluid may lose the dynamic stability due to parametric instability, therefore the piezoelectric actuators are taken as the control actuators here for controlling vibration of pipeline. First, the controlled mathematical models of pipes conveying fluid were...

In the destructive regular storage life test of products, there is "inverse" data sometimes, resulting in inaccurate estimates of its reliability index. Based on the theory of isotonic regression and minimum chi-square estimation, we proposed a new method for processing "inverse" data. First, alter the...

The train mixed operation on the electrified railway road network of general speed, resulting in frequent action of overload protection of substation traction transformer. This paper designed the engineering framework under the traction transformer power loss of economic operation, by means of the configuration...

This paper presents several fire and smoke identification algorithms based on attention mechanism, the proposed algorithms add the attention mechanism into traditional algorithms for the fire and smoke identification, which can get the possible regions of fire and smoke quickly by saliency images, and...

This paper investigates the control and safety of a series of maglev trains moving on multi-span simply supported bridges with the foundation settlements. To control the dynamic response of the maglev trains, a PI (proportional-integral) controller with constant tuning gains is applied. The finite element...

Neural network is widely used in pattern classification. But an unavoidable fact is that many complex problems cannot get ideal correct rate of classification with a single neural network. Neural network ensembles provides a serial of theories and methods to simply ensemble outputs of some low performance...

This paper is devoted to advanced wavelet-based discrete-continual finite element method of local structural analysis. Structures with regular (in particular, constant or piecewise constant) physical and geometrical parameters along so-called “basic” direction are under consideration. High-accuracy solution...

Taxus suspension cell cultures are a sustainable source of paclitaxel. In this study, transcript profiles of T.chinensis cells were analysed systematically by RT-qPCR to investigate the transcriptional dynamics of Taxus cell during cultures. Correlation between the expression levels of genes involved...

In order to provide a new approximated method for the preliminary design, tub-in-tube structure is simplified as a double cantilever beam system with compatible horizontal displacement at each floor along one of orthogonal direction of structure. According to the linear elastic assumption, the fluctuation...

Pipelines in more undulated areas are likely to have crossing points in pipeline transportation as oil throughput varies. This is to say that the potential energy of oils, from the peak to the terminal, is possibly higher than energy required for overcoming friction factor in oil movement, thus producing...

Large quantity of coal has been burned directly in East China for a long time, which is one of the main reasons for environmental pollution. Taking the minimal total cost per year as objective, and the national reduction of coal burned directly and the manufacturing capability of main coal replacement...

The scheduling for molten iron logistic optimization is to determine the distribution of molten iron from iron-making stage to steelmaking stage, the transportation routes of torpedo cars and locomotives such that the molten iron from blast furnaces can be delivered to the steelmaking shops on schedule...

Natural frequency is the most representative damage feature in the field of structural damage detection. Nevertheless, the functionality of natural frequency to portray damage in noise conditions has not been clarified systematically. With this concern, this study investigates the performance of natural...

Assuming that the underlying stock follows Fractional Brownian motion and that stochastic interest rate meets the Vasicek model of interest rates, this paper establishes pricing model of Warrant Bonds and deduces the pricing formula of Warrant Bonds by utilizing risk-neutral valuation theory. Finally,...

In this paper we extend a classical SIS epidemic model from a deterministic framework to a stochastic one by introducing two random perturbations in the model for transmission parameter and cure parameter, and formulate it as stochastic differential equation (SDE) for the number of infectious individuals...

With the rapid development of network and information technology, online channel as a new business model has improved the structure of offline channel, but also caused a huge impact on offline channel, channel competition has entered the online channel. Manufacturer in this paper has only one online...

As one China specific practice, the practice of water added seeding is simple, convenient and cheap to adopt and its most important strength is that it is suitable for developing countries to adopt it. In order to increase penetration depth and reduce evaporation of irrigation water with the conventional...

Laser peening is an innovative surface treatment technique similar to shot peening, but it can introduce deeper compressive residual stress layers to materials for improving their fatigue life and plasticity. In this paper, a three dimensional finite element model has been developed to numerically simulate...

With our country's economic developments and the developments of fishery, near the coast of China, the number of fishing boats and merchant ships are becoming biger and biger. Sometimes, the collisions between fishing boats and merchant ships have occurred. While most of the collisions happened during...

In this paper, a merged dataset of collinearly-processed sea surface height (SSH) derived from more than 200 repetition periods of Geophysical Data Record (GDR) data of T/P, Jason-1 and Jason-2 satellites is achieve. A direct-estimation method based on the merged dataset with a resolution of 0.25×0.25...

Flow field performances of a kind of oil film bearing in high-speed roll grinder are revealed by means of FLUENT fluid dynamics software, and structure defects of the bearing are found. On these bases, structure of the bearing is improved, and flow field performances of the bearing are analyzed again,...

This paper used random forest method to produce susceptibility analysis for earthquake-induced landslides. A landslide susceptibility model was built based on random forest method and data of environment variables and Newmark displacement. Landslide susceptibility mapping and attributes evaluation was...

In engineering design, there are many functional relationships which are difficult to express into a simple and exact mathematical formula. Instead they are documented within a form of line graphs (or plot charts or curve diagrams) in engineering handbooks or text books. Because the information in such...

Internal solitary wave is one of difficult problems in ocean field, scholars have applied different methods to investigate parameters of internal solitary wave, and group velocity is an important parameter for the internal solitary wave prediction. In this paper, equation used to describe group velocity...

Integrated design of airframe/propulsion of hypersonic vehicles is a problem of multi-objective multidisciplinary design optimization (MDO) for complex coupled systems in nature. In order to implement a MDO on airframe/propulsion integration, firstly the design structure matrix was established based...

This paper is devoted to the discussion of uncertainty measures of soft sets. We make an analysis of the existing works on soft set entropy and show their limitations. We propose a new axiomatic definition of soft set entropy. Furthermore, some distance based entropies for soft sets are presented.

For the research on the bees flight, the experimental platform combined of smoke wind tunnel and high speed camera has been set up. The information of bees flight on the plane can be synchronously recorded by two high speed cameras. By the analysis of pixel coordinates of bees wings on the photographs,...

Based on the 5 MV wind turbine of a certain renewable energy institute in America, the model of a floating offshore wind turbine spar platform mooring system has been established by Orcaflex. By calculating the load on the wind turbine, the hydrodynamic analysis of the wind turbine mooring system was...

We study the parameter dependence of the Bergman kernels on some planar domains depending on complex parameter? in nontrivial ``pseudoconvex" ways. Smoothly bounded cases are studied at first: Itturns out that, in an example where the domains are discs, the Levi form for the logarithm of the Bergman...

This paper aims at the sintering technological process in the trial-production of household porcelain, which simulates the firing process of household porcelain (bowl for example) by using 3D simulation software (FLUENT6.3), for different flow rates of the burner to simulate different shape/position...

This paper analyses nonlinear dynamics of cable-towed system. A numerical model of marine cables with bending stiffness is presented based on three-dimensional lump-parameter approach and validated by Orcaflex. The dynamic response of a cable-towed system during ship in 180° U-turn maneuver is studied...

The ocean spar sea station has not been widely applied in our country, but its good ability to resist deformation and characteristics of subsidence made it has an irreplaceable role in the deep water. If one deep sea cage can be developed with independent intellectual property rights on the basis of...

The bonded interface between fiber reinforced plastic (FRP)plate and the concrete members is a key part while reinforcing the concrete structures with FRP plates. Under some external loading conditions, this interface was oftenin the direct shear action. Therefore, accurate measurement and analysis of...

Thecharacteristics of the fiber reinforced plastic (FRP) and concrete bonded interface directly decided the results of structural reinforcement. The shear test was well simulated, and the shear stress distribution along the bonded interface was obtainedby using 2D and 3D finite element method. The parametric...

The power supply problem is one of the main problems facing the capsule-like robot technology. There are many issues worthy of further exploration. Such as the transmitter power and efficiency is not high, the performance can be greatly reduced when increase the using frequency, coil position stability...

To solve the difficulties in training on ship, a new simulator was developed by importing, digesting and recreating the Kongsberg simulator. With model-based and object-oriented design following by modular programming method, the whole set of system is developed by VB under Windows platforms and Sequence...

Due to the complexity in respiratory signals, an experienced coder is often required to identify the acceptable cycles and mark the start and end times for each cycle. This algorithm is an important step toward timely identification and coding of more complex respiratory signals and more efficient analysis...

Latent Dirichlet Allocation (LDA) probabilistic topic model is widely used in text mining, natural language processing and so on. But LDA’s mathematical theory is particularly complex, thus it is very difficult to understand LDA for a novice. In order to more quickly and easily learn LDA, and further...

Surface gastric electromagnetic signal is an important basis for the study of gastrointestinal dynamics. Surface electrode method can only collects the gastric slow wave which is the characterization of gastric contraction rhythm. But it can collect the gastric electrical fast signal which is the characterization...

The current feature for motor carried with natural mixed eccentricity and bearing fault is merely focused even though it is very important for motor online diagnosis. Considering both of the air-gap length change and torque vibration caused by bearing fault, the stator current expression were deduced...

Martin Blödt first introduced that the modulation mode between fundamental frequency of rotor vibration, which is caused by bearing faults, and fundamental frequency of stator current is phase modulation. This paper accomplished the theoretical derivation about the impact of bearing fault on stator current...

While millions of products and services are consumed everyday, consumers may share their experiences by posting a review on the Web. A review usually consists of paragraphs of text. Readers wishing to learn details may choose to read the textual description. In many reviews, a product rating is also...

As the amount ofWaste Electrical and Electronic Equipment (WEEE)increases, the qualified recycler with the high technology and expensive cost have few supply of waste appliances. To solve this situation, China implements a series of take back legislations based on Extended Producer Responsibility. We...

The current status of vanadium bearing steel and characteristics of different vanadium alloys were analyzed, the effect of different vanadium alloys on V absorption rate and steel properties was investigated, and the varieties of steel properties and V/N ratio under different nitrogen conditions were...

This study aims to analyze the existing federal acquisition policy in public healthcare in the United States, especially in the case of childhood immunization, and then propose a new multiple items multiple vendors model to accomodate these criteria, with the objectives of lowering costs including transportation...