數值優化 的英文怎麼說
中文拼音 [shǔzhíyōuhuà]
數值優化
英文
numerical optimization-
Using the approximate ability to nonlinear function of neural networks, the adaptive frame of identification and controller are constructed. and the formula of jacobin matrix for unknown systems is given, which is used to train the neural networks controller in closed systems
總結了bp神經網路的基本理論，把基於非線性數值優化技術的leven - marquardt方法用於bp網路辨識器和控制器的訓練，模擬結果表明該演算法性能遠遠優于標準bp類演算法。Numerical optimization in a structured unstructured grid
非結構網格中的數值優化計算At first, based on the simple genetic algorithm, an improved ga which adopts a combination of emigration policy and adaptive operator is presented. results of numerical optimization show that the improved ga is effective on preventing premature problem
本文在基本遺傳演算法的基礎上首先研究了浮點編碼遺傳演算法在數值優化中的應用，通過引進「移民策略」和自適應運算元相結合的方法，改進了基本遺傳演算法在後期進化緩慢的問題，極大地減少了早熟性收斂的現象。Response surface has been built based on bp neural network with relationship of maximum of spinning force variety, material parameters and power spinning process parameters established and optimum achieved by using particle swarm optimization algorithm hence optimization of tube power spinning process parameters
摘要以bp神經網路為基礎構建響應曲面，建立材料參數、筒形件強力旋壓工藝參數等和旋壓力最大變化值之間的關系，並用粒子群優化演算法求解，獲得符合優化條件的最優解，從而實現筒形件強力旋壓工藝參數的優化。Among hese method, one of the simplest is the deepest gradient descent algorithm, but it has one disadvantage that the solutions are oscillatory and slowly convergent. a friction term is ntroduced to avoid oscillatory solutions and raise convergence rate. the third major contribution of this dissertation is study on 3 - d diffuse object surface optical automatic measurement
其次，結合要處理的具體問題，介紹數值優化及幾種常用的無約束最優化計算方法，以最優梯度法為基礎，討論其演算法的優缺點，通過引進阻尼系數，改進了演算法的收斂速度，從而提高迭代精度。A niched - penalty approach is used to transform this optimal kinematical design problem to an unconstrained one. a kinematic accuracy comparison of the genetic designed fine - tuning stewart platform with the quasi - newtonian designed one is made. the comparison results have shown that the kinematic accuracy of the genetic designed fine - tuning stewart platform has a much higher accuracy and a compact structure than that of the quasi - newtonian designed one, which guarantees the accomplishment of high precision trajectory tracking and reduces the disturbance of wind to the feed - supporting system
以並聯機器人jacobian矩陣的條件數為優化設計的目標函數，提出了基於遺傳演算法的並聯機器人最優運動學性能結構參數優化設計方法，採用實值遺傳演算法，對精調stewart平臺進行了優化設計，得到了最優運動學的精調stewart平臺結構參數，為實現新一代大射電望遠鏡饋源指向跟蹤系統高精度軌跡跟蹤控制奠定了堅實的基礎。Citing five - meter - high nanfei river rubber dam in hefei, one of the highest double - anchor water rubber dam in china as an example, while deeply analyzing some representative rubber dam projects in china, the article theoretically exploits the relationships among some technical parameters such as anti - pull intensity, internal pressure ratio, circum - oriented relative extending rate, etc. also has the author brought up his own opinion on rubber dam design & calculation theory, which is of high theoretical and applicative value for parameter optimization and combination of water rubber dam with a height of above 3. 5 meters. it also helps when building over - five - meter - high rubber dam using seamless rubber dam and rubber dam with steel wire as its frame. this article also exploits safety measures for designing & building rubber dam in navigation areas
本文以充水式雙錨固橡膠壩目前國內最高（壩高5m ）之一的合肥市南淝河橡膠壩工程為例，並在對全國目前已建橡膠壩代表工程進行深入分析的基礎上，對壩袋的抗拉強度、內壓比、環向相對伸長率等技術參數之間的關系進行了理論探討和研究，並對橡膠壩設計計算理論提出了自己的見解和看法，對指導設計壩高3 . 5m以上的充水式橡膠壩技術參數的優化組合具有重要的理論和應用價值，特別對應用無搭接縫橡膠壩、鋼絲網骨架橡膠壩建造壩高大於5m的橡膠壩具有指導意義。Conditions of normal mode realization are deduced and optimized model with the multivariate mode indicator function as the target function is built. through solving the maximal eigenvalue problem, the original shaker force vector of appropriation is reached. then the realization approach of the optimal shaker force vector based on single shape principle is proposed and at the same time the automatization of normal mode appropriation is realized
對于模態物理分離技術的多點正弦激振純模態試驗技術，尋求其最佳激振力矢量是最為關鍵的環節，本文先推導出純模態實現的條件，建立以多變量模態指示函數為目標函數的優化模型，通過求解最大特徵值問題，得出適調純模態的初始激振力矢量，再提出以單純形原理為基礎的最佳激振力矢量的實現方法，同時也實現了純模態適調過程的自動化。Numerical optimization of circulation distribution on marine propellers
船舶螺旋槳葉片環量的數值優化Heighten precision and veracity of gps position with numerical process and optimization is a critical emphasis to the research
對gps觀測值進行統計處理與數值優化以提高gps定位精度與準確度成為本課題研究的一大重點。Backpropagation model of the ann is used in knowledge storage and the leverberg - marquardt algorithm based on numerical optimization is used in training the neural networks
採用了基於數值優化的leverberg - marquardt （簡稱lm ）演算法，對網路進行訓練，完成知識庫的組建。The common solution is given based on the harmonic balance method, numerical method and optimization theory ; the two - mass - oscillator model is analysed in matlab, both coincide with each
對二元摩擦振子進行數值建模，驗證了理論解，並討論二元摩擦振子基於matlab的數值優化解的方法。Finally, we convert this optimal problem to a nonlinear parameter optimization problem by collocation method. these studies examine the collocation method in case of equally or non - equally spaced division points, and in case of different numbers of nodes
本文採用直接搜索法和節點配置，將連續動態最優控制問題轉換為靜態離散的數值優化問題，並對狀態和控制變量的約束進行轉化。This paper presents an advance intelligentized optimization design system ( iods ) for the optimization design of asrv, which integrates traditional numeric optimization methods and deduction strategy that has been applied in expert system
本文將專家系統領域的推理技術，與傳統的數值優化技術結合，設計一個智能優化設計系統，為再入飛行器氣動布局優化設計提供了一個新方法和新思路。An optimizing method with constant pressure ratio is initially applied to the mixed refrigerant cycle. this method greatly simplifies the calculation of the cycle, and is helpful in numerical optimization of various cycles, especially in the complex cycles
本文首次採用混合工質製冷機循環的定運行壓比優化方法，大大減少了循環的計算量，為各種混合工質製冷機循環，尤其是復雜循環的數值優化奠定了基礎。We optimized to derive the merv input shaper and compare it to other input shapings. through the comparison, we can find out that the merv shaping yield the better performance than the others. we can also derive the hybrid input shapers if we simplify the optimal process
並應用merv （最小余振平均值）輸入成型方法，以磁頭定位系統為模型，通過數值優化過程求解出最優的merv輸入成型器和次最優的混合輸入成型器。Blade design optimization problems are multimodal and discontinuous problems, the use of gradient - based numerical optimization algorithms perform inefficiently and drop into local minimum prematurely. hence, the exploratory algorithms such as gas are required for global exploration. 4
4 .通過rsm方法擬合復雜的響應關系，平滑設計空間「噪聲」 ，能夠防止數值優化方法陷入局部極值點，獲得良好的魯棒性和適應性。On the basis of kinematics analysis and model transformation, an error equation of the robot kinematics parameter is established with numerical optimization, and the optimal design for kinematics parameter is realized, which effectively increases the repositioning precision of the robot
在運動學分析和模型變換的基礎上，運用數值優化技術建立了機器人運動學參數的誤差方程，實現了運動學參數的優化設計，有效提高了機器人的重復定位精度。Moreover, previous study has also shown that mec has the ability in solving successfully the non - numerical problem, such as tsp, job - shop and dynamic modeling of system, etc. mec has been used in image analysis area, and attained the better results. a preliminary integrated system has already been established for mec
Mec還成功地解決了一些非數值優化問題，如tsp 、 job - shop 、系統動態建模等，此外， mec也已被用於圖像分析中，取得了較好的結果，所有這些工作已經為mec建立了一個初步完整的體系。The numerical optimization and the detailed exergy analysis of the cycles approved the conclusions rendered in the analysis of the cycle ' s features. we also obtained the optimum compositions of the mixture refrigerant for the rectification cycle under the pressure ratio of 8, at the temperature levels of - 60 ?, - 80 ?, - 100 * c, and - 120 ? respectively. the method of equivalent entropy generation is initially used in this study
通過對混合工質節流製冷機諸循環進行的數值優化和較為詳盡的循環粗（火用）分析，驗證了循環的特性分析中所得到的主要結論，同時得到了壓比為8 ，溫度為- 60 、 - 80 、 - 100和- 120等四個溫度位的混合工質精餾循環最優混合工質成浙江人學博十學位論文摘要分。分享友人