It is so valuable that models merging of Delaunay triangulation are used widely in many applications. This paper researches the algorithm of models merging for Delaunay triangulation. A method for obtaining merged int...
详细信息
ISBN:
(纸本)9783037857441
It is so valuable that models merging of Delaunay triangulation are used widely in many applications. This paper researches the algorithm of models merging for Delaunay triangulation. A method for obtaining merged intersection lines and a algorithm for searching fast triangles in the extent of merging intersection lines are proposed, and whole process of models merging are expatiated detailedly. The algorithm is tested in experiments, and the result of experiment shows that this algorithm is very efficient.
In order to improve quality and efficiency of the overall five-axis milling for arbitrary surface impellers In rough milling, the arbitrary surface was replaced by fitted ruled surface, the flank milling was a good me...
详细信息
ISBN:
(纸本)9780878492497
In order to improve quality and efficiency of the overall five-axis milling for arbitrary surface impellers In rough milling, the arbitrary surface was replaced by fitted ruled surface, the flank milling was a good method to replace the point milling. In semi-finish milling, the primal surface was replaced by piecewise ruled surfaces, using step flank milling to gain the satisfaction in model's nicety and machining efficiency. Then, algorithm of the paper is proved to be viable by Model building, NC programming and machining
In this paper we present the model of trade wars considering four countries and the rest world as key participants. For this task the agent-based approach has been chosen that is appropriate for assessing consequences...
详细信息
ISBN:
(纸本)9781665436403
In this paper we present the model of trade wars considering four countries and the rest world as key participants. For this task the agent-based approach has been chosen that is appropriate for assessing consequences of trade restrictions at the micro-level. There are three groups of agents in the model: countries, organizations and citizens. Trade relations are simulated as supplies between agents-organizations in different countries. Each country in the model has a national currency, tax and budget system, and is capable of imposing sanctions to other countries in the form of trade restrictions on import and export of goods. For assessing consequences of these restrictions in the model we propose an algorithm, which decreases supplies of organizations from countries involved in trade conflicts and distributes the missing supplies among domestic suppliers and suppliers from countries that did not impose trade restrictions. We also present structure of information support of the model and methods of processing initial data to the form, which is applicable for loading them into the model.
The starting point detecting function is used in the welding robot. Currently, it is only used when the workpiece has translated. However, in practice, the workpiece is not only translation, but also rotation. Therefo...
详细信息
ISBN:
(纸本)9781479925650
The starting point detecting function is used in the welding robot. Currently, it is only used when the workpiece has translated. However, in practice, the workpiece is not only translation, but also rotation. Therefore, algorithm research of the starting point detecting function has important significance to the practical application of the welding robot. The principle of the starting point detecting function is analyzed. The algorithm of the starting point detecting function which only used to detect two surfaces is studied systematically. The mathematical expressions are proposed based on the coordinate translation and the coordinate rotation. The errors between the taught and actual positions of the starting point of the welding groove are obtained. A teaching example of the starting point detecting function is given. The algorithm is used to weld the plastics machinery frame. The research results of this paper are useful for the practical application of the starting point detecting function.
We have proposed a new algorithm of Lithography Advanced Process Control System for high-mix low-volume production, This algorithm works well for 1(st) lot of a new device input into the production line, or 1(st) lot ...
详细信息
ISBN:
(纸本)9780819466372
We have proposed a new algorithm of Lithography Advanced Process Control System for high-mix low-volume production, This algorithm works well for 1(st) lot of a new device input into the production line, or 1(st) lot of an existing device to be exposed with a newly introduced exposure tool. The algorithm consists of 1) searching the most suitable trend of other similar devices referring to an attribute table and a look-up table for priority of searching order, and 2) correction of differences between the two devices for deciding optimum exposure conditions. The attribute table categorizes same layers across different devices and similar layers within a device. Look-up table describes the order of searching keys. To attain cost-effective process control system, information useful to compensate referred trend is compiled into the database.
The lack in the Russian Federation of a sufficient number of enterprises for processing waste and environmental literacy of the population form an acute need for waste-processing plants. An increase in the number of s...
详细信息
ISBN:
(纸本)9781538683149
The lack in the Russian Federation of a sufficient number of enterprises for processing waste and environmental literacy of the population form an acute need for waste-processing plants. An increase in the number of such enterprises will lead to an increase in the number of jobs. This article shows the development of the algorithm for the special assessment of working conditions (hereinafter - SAWC) at municipal waste processing enterprises. The basis for the development of the algorithm was federal law No. 426-FZ "On Special Assessment of Working Conditions" dated December 28, 2013. The obtained results can be applied in the SAWC at waste processing plants.0
The rapidity and accuracy of the initial alignment influence the performance of the strapdown inertial navigation system(SINS),compass alignment is one of the most important methods for initial *** selection of the pa...
详细信息
The rapidity and accuracy of the initial alignment influence the performance of the strapdown inertial navigation system(SINS),compass alignment is one of the most important methods for initial *** selection of the parameters of the compass alignment loop directly affects the result of ***,the optimal parameters of the compass loop of different SINS are also different Traditionally,the alignment parameters are determined by experience and trial-and-error,thus it cannot ensure that the parameters are *** this paper,the Genetic algorithm-Particle Swarm Optimization(GA-PSO) algorithm is proposed to optimize the compass alignment parameters so as to improve the performance of the initial alignment of strapdown *** experiment results showed that the GA-PSO algorithm can find out the optimal parameters of the compass alignment circuit quickly and accurately and proved the effectiveness of the proposed method.
Many applications have modules which could benefit greatly from the massive parallel numeric computing power provided by GPUs. Renderers, signal processing or simulators are only a few such applications. Due to the we...
详细信息
ISBN:
(纸本)9781479930357
Many applications have modules which could benefit greatly from the massive parallel numeric computing power provided by GPUs. Renderers, signal processing or simulators are only a few such applications. Due to the weaknesses of the GPUs such as stackless execution model or poor capabilities for pointer exchange with the host, sometimes is not feasible to convert an entire algorithm for GPU, even if it is highly parallel and some of its parts can be greatly accelerated on GPU. In such situations a programmer should have a framework which allows him to split the code flow of a thread in parts and each of these parts will run on the most suitable computing resource, CPU or GPU. For GPU execution, multiple data from host threads will be collected, run on GPU and the results returned to the original threads so they will be able to resume execution on host. In this paper we propose such an algorithm, analyze it and evaluate its practical results.
Finding the approximate solution of linear or nonlinear equations is a mathematical problem, which is often encountered in engineering. As it is known, Galois E. had proven that over five orders algebraic equation was...
详细信息
ISBN:
(纸本)9780769538167
Finding the approximate solution of linear or nonlinear equations is a mathematical problem, which is often encountered in engineering. As it is known, Galois E. had proven that over five orders algebraic equation was no root-finding formula. The solutions of high-order equation are obtained by some of iterative algorithms, e.g. Binary method and Newton method. To Binary method and Newton method, the function must be continuous, monotone and differentiable. The function must be only simple root in solution space, too. A few of solution subspace have been obtained by dividing solution space according to Binary method's idea. In each subspace, real root will be searched for by algorithm proposed. If subspace has simple root or multi roots, the subspace will be reserved. If no, the subspace will be discarded. The subspace that has solution will be divided again. With increasing of iterations, solution space will be compressed, and converge at the solution of equations. Solution space compression will be finished until all real roots are found. The proposed algorithm is applicable to solve equation's simple root and multi roots problem. As such, it is fit for linear equations and nonlinear equations. Eventually, some test cases illustrate this approach is very available.
The system peak load regulation is influenced more seriously since larger-scale wind power is integrated into power system. This paper analyzed the influence of wind farm operation characteristics to system peak load ...
详细信息
ISBN:
(纸本)9781467328685
The system peak load regulation is influenced more seriously since larger-scale wind power is integrated into power system. This paper analyzed the influence of wind farm operation characteristics to system peak load regulation. A planning method is established on wind farm optimal capacity, which based on system peak load regulating capacity and system ramp rate restraints. Aiming at maximum net income of wind farm, the paper established planning model and proposed iterative algorithm to solve it. An example is applied to demonstrate the effective of the algorithm and some analysis is done. The influence of electricity price to optimal installation capacity is indicated.
暂无评论