This paper is based on the research of the wind environment in a residential area. Comprehensive analysis of the residential building group's outdoor wind environment with two different layouts was made by using the establishment of the physical and mathematical models of the outdoor wind environments,...

In this paper, based on the PV module performance parameters, five performance points of PV module are obtained by calculation. Based on five points, the curve of performance is generated by shape-preserving interpolation on the computer. The algorithm better describes the electrical characteristics...

In view of the cracking furnace in the wastes tires, both inside and outside the study of the energy produced by induction coil. Electromagnetic induction coil and the cracking furnace finite element model is established.Using the software of ansys simulation of induction coil into the current work.The...

Based on the general solution to the proposed generalized Sylvester matrix equation, very simple and complete parametric solutions to the admissible control problem for linear descriptor systems via derivative feedback are established in two cases. With several simple requirements on the design parameters...

To solve the design problem of variable trajectory maneuver of target missiles, an integrated design model of variable trajectory maneuver is presented. By closely cooperating between the control signals of displacements and the control signals of overloads, this integrated design model can make target...

Due to significant impact of energy consumption of air conditioning system on driving range of electric vehicles, study on air conditioning system of electric vehicles is of great importance. However, the research existing is not comprehensive enough, which is limited to the performance and experimental...

The effects of sphere dimples on the tribological performances of the journal bearing were investigated. The oil film rupture and reformation positions were obtained using a mass-conservation JFO(Jakobsson, Floberg, Olsson)boundary condition. The influences of the sphere dimples with various distribution...

In this paper, we investigate function projective synchronization for general complex networks with proportional delays. With the existence of proportional delays, we design an effective error feedback control to attain function projective synchronization of networks. Numerical example is provided to...

This paper aims to develop a multi-class Weibull distribution based route choice model (MWM) to alleviate the drawback from conventional logit model meanwhile take multi-class users into consideration. Specially, this paper distinguishes the user categories according to different cognitive levels of...

For the sake of solving the problem of nonlinear approximation better, we mainly use the Padé approximation under the orthogonal basis function in this paper. Through figuring out the orthogonal basis function for a given product, we can obtain the [m,n] order Padé approximation of arbitrary rational...

In view of problems existing in ultra-low permeability reservoir development process, Honghe 55 well block in Zhenjing oil-field is selected as the research target. Based on its geological characteristics, a geological model was established to simulate the key problems such as length and orientation...

This paper simulated oil-heating process of frying machine by FLUENT software, in order to improve high-energy consumption problem of oil-water mixture frying machine in the working process. It analyzed temperature variation of nine key points, and came to a conclusion that temperature of different layers...

Topology optimization of structure of cementitious granular material with different tension and compression properties is one of challenging and important branches in engineering application for the complex stress and strain relationship of cohesive material. Applying evolutionary structure optimization...

Taking the comprehensive performance of a new type of high-speed unmanned surface vehicle (USV) including its rapidity, maneuverability, seakeeping and overturning resistance into consideration, this paper establishes a mathematical model of the performance comprehensive optimization of high-speed USV....

For improving optimizing ability of Inver-over operator in solving TSP, we improved the Inver-over operator and employing annealing skill. First, adopted two strategies to improve Inver-Over operator, one is drawing more optimal edges into the population as earlier mainly through the "2e-switch-1p-shift-opt",...

The proper design of the 4G LTE network, in order to provide sufficient capacity of high-quality coverage and efficient terminal traffic management, is of utmost importance. Therefore, the joint LTE wireless communications network design problem is modeled in this paper as an optimization problem. The...

Aiming at the influence of uncertain factors that impact on tasks and platforms in battlefield environment,adaptive optimization method based on uncertain event is proposed. Taking the uncertainty of platform loss and task implementing time into consideration, established a resource structure optimizing...

In order to improve the availability in space domain and raise time efficiency of the algorithm, increasing more FP-array to decrease the traversing of FP-tree in this paper. It has put forward to applying the node switching strategy to generate more packed FP-tree. It has come up with increasing more...

For the low system efficiency of RFID anti-collision Q algorithm which was proposed by ECP-C1G2, we propose an enhanced Q algorithm that embeds BS(Binary Splitting) algorithm into Q algorithm. The collision tags will be identified by BS algorithm in the process of Q Algorithm. Simulation results show...

In this article, we investigate the inverse of the sevendiagonal matrix. Under certain conditions, the efficient algorithm which is suitable for implementation using computer algebra systems, is proposed. Also, the inverse of an anti-sevendiagonal matrix is obtained based on the special relation between...

Time tabling problem is a multi-objective combination optimization problem with constraints, and also has been proved to be a NP (Non-deterministic Polynomial) problem. The genetic algorithm is a highly parallel, random and adaptive global searching algorithm which is derived from the theory of natural...

Surrogate-based method (SBM) is used to train a support vector machine (SVM) for discriminating between the elements of two classes of input points. The key idea to develop the algorithm is to replace the minimization of the cost function at each iteration by the minimization of a surrogate function,...

Cloud library is a new type of Digital Library based on the network platform. It is a collection of all kinds of digital library. Through the middleware technology and virtualization technology, the establishment of a strong academic digital resources literature service model, unified distribution, management,...

With the rapid development of economy, science and technology, the computing environment and process become more and more complicated, and the computing scale becomes larger and bigger, The cloud workflow system can solve the automatic control and comprehensive management of transaction flow in big data...

Cloud computing applications are more widely, with the development of breakthrough at the same time, we should also pay attention to data security, to improve the user's satisfaction. The paper analyzes the key technologies of multimedia data security protection from three aspects: transmission, storage...

A new method is developed as a solution for ill-posedness problem in inversion of open boundary conditions (OBCs). In this method, open boundary curves are parameterized by interpolating values at some selected independent points(IPs) with the Spline. Compared with the linear interpolation traditionally...

In this paper, we give a trust region method for unconstrained optimization, in which its radius is automatically updated by the current information. And when the trial step is rejected, we apply a larger step-size line search to the method. The primary aim is to update the radius depending on the problem...

Based on the multiple Extended Target Gaussian-Mixture Probability Hypothesis Density (GM-PHD) filter, a new algorithm of extended target track initiation and observation partition in the clutter environment are proposed. Firstly the paper take clustering trend of observation into account when carrying...

This paper presents a method of query expansion based on lexical time distribution for micro-blog search. Similarity of distribution is used to measure the correlation between the extended words and the query words. A query model based on the time distribution of the words is established. The query expansion...

The use of machine learning method is discussed herein to produce a corpus by domain knowledge ontology and conduct text classification according to the ontology of professional knowledge domain. Nowadays, a large number of literature materials have been accumulated in each professional field, and it...

The classical guidance law and the modern guidance law in the missile control system are introduced comparatively comprehensive. Firstly, the classical guidance law is introduced; Then the guidance law based on modern control theory is introduced emphatically, and the advantages and disadvantages of...

Feed-in tariffs (FIT) is good for renewable energy (RE) power producers, expanding the scale of RE's development. However, it is unfavorable to RE power grid companies' acquisition, so leading to a serious phenomenon of abandoned wind, solar and water energy. Now this article introduces Quota System,...

According to the features of abundance, diversification and short-period in consumer product innovative design, an efficient method of users' participation in product innovative design was put forward: Percolating the professional users by analyzing online comments to products; Requiring the experiences...

We research and develop cloud based multi-functional smart agent technology with deep learning capability, provide technical solution for renewable energy in the hybrid Grids when microgrid integrated into State Grid, and accelerate evolution of the Energy of Internet in China.

Based on the quantitative definition of sustainable development, comprehensive evaluation method is used to estimate the level of a country's sustainable development. The indices chosen under four principles are divided into positive and negative indices after deliberate consideration. AHP is implied...

This paper aims amphibious equipment maritime training safety risk assessment, introduces the definition, purpose and basis of amphibious equipment maritime training safety risk assessment, the evaluation process and evaluation method are studied, puts forward the comprehensive evaluation method based...

Investment of Power transmission projects was always huge, and related to many complex factors. Preliminary design of the project in preparation stage plays a very important role in the project cost control. With the application of clustering theory, partial correlation analysis method and support vector...

The paper establishes the regression model based on the economic value added(EVA), refined economic value added(REVA), net profit, net cash flow and other indicators selected from the financial data of power industry. Correlation analysis indicates that, in comparison with traditional financial indicators,...

We reported density functional studies of the structure and thermodynamics of NaMgH3 in the cubic perovskite structure as well as corresponding fluorides. Analyses of the calculation results in terms of formation enthalpies, substitution enthalpies, reaction enthalpies showed that partial H were replaced...