演算法優化 的英文怎麼說
中文拼音 [yǎnsuànfǎyōuhuà]
演算法優化
英文
algorithm optimization-
This dissertation uses genetic algorithm to choose optimum parameters for the widely used pid controllers. in the optimization calculation process, mutation rate, cross rate and parameter range are adaptively changed to accelerate optimization process
本文用遺傳演算法優化工程中廣泛使用的pid控制器的參數，採用變參數區間、變交叉變異概率等方法提高計算速度，並對適應值函數進行了改進。In this thesis, ga is used to optimize the beam weights of intensity modulated radiation therapy ( imrt ) inverse planning, and 2d and 3d isodose contour as well as dose volume histogram ( dvh ) are used to evaluate the treatment plan
本文應用遺傳演算法優化逆向調強放療計劃中射束的權重，用二維等劑量線、三維劑量分佈和劑量體積直方圖來評估計劃的優劣。It is very important to estimate the basic parameters in helicopter preliminary design. neural network ( nn ) has the advantages in estimating accuracy and generalization over traditional methods. however, there are some difficulties in using nn, e. g., how to select a proper network structure and the number of hidden layers. in this paper, structure and connection weight of a three - layer nn are optimized by genetic algorithm, and the optimized network is applied to helicopter sizing. the proposed method can not only give an optimal nn structure and connection weight, but also reduce the prediction error and has the capability of self - learning when the latest data are available. furthermore, this method can be easily applied to helicopter design systems
在直升機初步設計階段估算其基本參數是很重要的.神經網路的通用性和精度比傳統的估算方法有更多的優勢，但是在應用神經網路時存在如何選擇合適的網路結構和隱層節點數目等一些困難.應用遺傳演算法優化三層神經網路結構和連接權重，並將優化得到的網路應用於直升機參數選擇中.該方法不但可以給出一個最優的神經網路結構和連接權重，而且降低了估算誤差，具有及時應用最新數據學習的能力.此外，該方法易於在直升機設計系統中得到應用Crossover is implemented using arithmetic crossover operator. then unsymmetrical mutation is conducted using the new mutation operator which can expand the scope of chromosome gene value, at the same time, the chromosome with the highest fitness values are retained for each iteration. a lot of experiments are implemented to obtain the optimized initial weighs and bias
生成了三維矩陣表示的染色體，進行了聯賽選擇，利用算術交叉運算元進行了交叉運算，利用構造的新的變異運算元，進行了非均勻變異，同時保留了每次進化運算后最優的適應值，通過大量實驗，實現了遺傳演算法優化bp網路的初始權值和閾值的目的。_ _ _ _ uncertain factors of macroscale inversion analysis of displacements are summed up. associated inversion model containing non - deterministic factors is proposed, i. e. " deterministic inversion of differential equation + systematic optimization technique = non - deterministic inversion ". the systematic optimization technique includes direct operator optimization, direct numerical analysis optimization, measurement design optimization, measured data processing, in - ersion algorithm optimization, and inverse operator regularization, etc. when this associated inversion technique is used in displacements back analysis, uncertain factors can be processed quantitatively
歸納了宏觀尺度位移反演分析的不確定性因素，提出了容納不確定性因素的位移反演分析的聯合反演模式，即「微分方程確定性反演+系統性優化技術=非確定性反演」的模式，並具體論述了聯合反演模式的系統性優化技術，包括正演運算元的優化、正演數值分析的優化、測量設計優化、觀測數據處理、反演演算法優化、反演運算元處理等六個優化方法。The formulae of the pollution harm rate and the pollution harm index suited to multi - pollutants for the water quality assessment are derived by using the genetic algorithm to optimize the parameters in the formulae
採用遺傳演算法優化公式中的參數，得到了多種水質污染物都能適用的水質污染損害率和污染損害指數公式。Graphical user interfaces are developed to be convenient for implementing of parameterized model and debugging of program parameters. program of optimization based on ga is designed to optimize obturating performance of the obturator of the breech mechanism, further, the effect of control parameters of ga and friction factor on the optimal structure is studied
開發了實施參數化建模和程序參數調試的界面，編制了遺傳演算法優化程序，對炮閂閉氣結構進行了閉氣性能優化，並研究了遺傳演算法運行的控制參數對優化結果的影響以及摩擦系數對最優結構形式的影響。Optimization of compositions of ground ti - bearing slag cementing material by support vector machine
支持向量機演算法優化鈦礦渣膠凝材料組成研究The main focus concentrates on the two most time consuming arithmetic in finite field calculation, field inversion and field multiplication. by analyzing in detail the performance of algorithms in composition fields, we have drawn a conclusion that the time consuming of square is less than that of multiplication with itself
在對復合域中的演算法進行詳細分析后發現，多項式平方運算比元素自乘有更好的時間特性，因此盡可能地用平方運算替代自乘運算是在復合域中進行演算法優化的主要手段。Directly painting textures on top of 3d objects in 3d perspective viewport is a new issue of human - computer interface ( hci ). this paper presents a method to solve this issue. it converts the position information of the texture pixels of texture map into color information ， and then transfers both the coordinates and the color of texture pixels into screen through texture mapping at the same time. only is the color information of texture pixels converted into illumination by calculating the normal and the angle of ray incidence of the screen pixel in the method. the texture coordinates are firstly converted into the color information by generating another texture map ， which is called information map whose pixels ' color represents the coordinates information. and then the corresponding texture coordinates are mapped into screen reference frame by texture mapping and stored into information buffer for later use. so we can obtain the texture coordinates of screen pixels correspondingly by decoding from information buffer. after optimizing ， we can paint textures on top of 3d objects in 3d perspective viewport in real time. the paper also gives some examples and related definitions of using additional information of 2d texture map for 3d graph generating
針對三維逶視投影視圖中對三維物體表面紋理直接進行噴繪，以獲得復雜紋理圖這一計算機圖形交互技術這一新問題，研究了一種將紋理圖的象素位置信息轉換成彩色信息，然後利用紋理映射將紋理坐標連同該點上的顏色值一起傳遞到與屏幕象素對應的可見點上的方法，其中顏色值依該點處的入射光線方向和表面法向被進一步轉換為光強值，而紋理坐標則被解碼后還原成與該可見點對應的紋理坐標，被存入信息緩沖器中，供以後使用，通過解碼，可根據屏幕點直接得到對應紋理象素點的坐標，經過演算法優化，實現了對三維物體表面紋理的實時噴繪；同時闡述了在三維圖象生成技術中使用附加紋理信息的應用實例以及相關定義The results show the improved aca can be used to solve the continued problem, and the formula whose parameter is optimized by the improved aca can simulate the primary data better than those whose parameter are optimized by other optimizing methods except the immune evolutionary algorithm ( iea ), and the improved aca can get almost the same result with less optimization scale and shorter optimization time than iea
結果表明，改進的螞蟻演算法可以成功用於暴雨強度公式的參數優化，並且在實驗採用的各種優化演算法優化參數得到的暴雨強度公式擬合原始數據的效果比較中只有免疫進化演算法在優化過程中迭代次數和迭代規模都要大得多的情況下才和改進的螞蟻演算法差不多，而比其它的優化方法都要好。This article used natural number encode, and did feasibility analysis. in connection with premature in genetic algorithm, this article adopted self - adapting adjustment crossover and mutation probability methods, and did simulation
本文採用自然數編碼的方式，並分析了可行性；針對演算法優化中出現的「早熟」現象，提出了採用自適應交叉、變異概率法，並進行了模擬。The question of power waste caused by pumping station sets " illogical running project is proposed. genetic algorithm can quickly find the optimized result in global. using this characteristic to control the pumping station sets " running and stopping can attain the object of saving power
針對污水泵站內機組優化啟停的問題，提出了採用遺傳演算法進行優化組合，給出了泵站機組啟停的控制方案，並進行模擬研究，模擬結果顯示，採用遺傳演算法優化泵站機組啟停控制，可使泵站機組運行在最佳節能狀態，且能夠將輸入污水泵站的污水等量排出，實現了節能和減少污染的控制目標。Chaos optimization algorithm design for fuzzy neural network
混沌神經網路智能集成演算法優化策略2 ) the inductance transducer used to identify large wear particle is developed. the analytical theory of wear particle and detection windings are expatiated and inner magnetic distribution of inductance transducer is discussed, the geometry parameters are optimized by using genetic algorithm, and the finite element analysis method is used in the designing
2 ）研製了識別大磨損顆粒的材質和測定其粒度的電感傳感器，闡述了磨損顆粒與檢測線圈的解析關系，探討了傳感器的理論基礎，分析了電感式檢測傳感器內部的磁場分佈，並應用遺傳演算法優化了傳感器幾何參數，最後進行了有限元模擬分析。This is a key for the optimizing of the whole algorithm
這一步是整個演算法優化的關鍵。Optimized design of pid controller using genetic algorithms
控制器參數的遺傳演算法優化設計Optimum design of automotive radiator with genetic algorithm
應用遺傳演算法優化設計汽車散熱器Optimal design of vertical tail using genetic - neural network algorithms
神經網路演算法優化飛機垂尾Optimum design of plate - fin heat exchanger with genetic algorithm
應用遺傳演算法優化設計板翅式換熱器分享友人