The results of calculation and simulation indicate that application of the discrete method for problem of trajectory optimization can avoid the problem of initial value sensitivity.
仿真计算结果表明这种离散化的方法应用于此轨道优化问题可以避免传统轨道优化方法对初值敏感的问题。
This thesis deduces computational formulations of displacement sensitivity and stress sensitivity in structural shape optimization considering geometric nonlinear element.
推导了考虑几何非线性项的结构形状优化位移灵敏度和应力灵敏度计算列式。
Based on the initial value sensitivity of chaotic motion and the analysis of optimal searching process, a parallel adaptive chaotic optimization (PACO) method is proposed.
基于混沌运动的初值敏感性和对混沌优化搜索过程的分析,提出了并行自适应混沌优化方法。
Then, a set of optimization criteria and algorithms are set up based on frequency sensitivity and evolutionary structural optimization methods.
而后结合频率灵敏度,基于渐进结构优化方法,建立了一套优化准则和算法。
The conclusion is given through simulation that the overall principle to optimization is orthogonalization of the sensitivity optimal vector.
结论是:多光谱系统灵敏度优化向量的正交化设计是系统光谱图像获取的必要要求;
In the problems of a given family of parametrized multiobjective optimization, sensitivity analysis is the quantitative analysis.
在给定了一族参数的多目标最优化问题中,灵敏度分析是定量的分析。
Through sensitivity analysis and the optimization results, very good results were obtained in Nine-7 Block, which can be used to guide the development of the extra or super heavy oil reservoirs.
敏感性分析和优化结果在九7区的实际生产中取得良好的效果,对指导特、超稠油油田生产具有一定的现实意义。
Moreover, a factor of sensitivity affecting the unique solution of optimal parameters is analysed and some modified methods are provided for MOSFET parameter optimization.
本文还分析了影响参数优化唯一解的灵敏度因素,提出了对MOSFET器件参数优化的一些改进方法。
The interferometric sensitivity equation can be used as an important tool in the interferometric SAR system optimization and interferometric calibration.
干涉灵敏度方程是干涉合成孔径雷达系统优化设计和干涉定标的重要工具。
The optimization procedure of preform die shape is given. The sensitivity of nodal velocity and temperature with respect to design variable is developed.
给出了模具形状优化设计步骤,推导了速度灵敏度方程和温度灵敏度方程。
In addition, a sensitivity analysis approach was built up for the blast furnace ironmaking optimization, and the multiple objectives were treated with the linear weighted method.
同时建立了高炉炼铁优化的灵敏度分析方法,多目标处理采用线性加杜法。
The importance of design sensitivity analysis and optimization technology is expounded. The principle and method of design sensitivity analysis and optimization technology are used in MSC/NASTRAN.
阐述了设计灵敏度分析和优化技术在空间相机设计中的重要性,并介绍了设计灵敏度分析和优化设计的原理及方法在MSC/NASTRAN中的应用。
When the reliability sensitivity of each component based software is given and the testing- resource constrained, optimization problem in determining the test allocation is studied.
探讨了软件测试中每个构件软件的可靠性灵敏度已知,而测试资源受约束时,如何合理分配测试用例以提高构件软件可靠性的最优化问题。
Consequently it proves that the method of selecting optimization variables based on sensitivity analysis is feasible.
同时证明了基于灵敏度分析选取优化变量方法的可行性。
The proposed approach was verified in sensitivity analysis of a practical distillation column optimization.
文中用乙苯精馏塔的优化结果分析验证了该方法的有效性。
Now available for parametric sweeps, optimization, sensitivity analysis, and statistical analysis.
提供参扫,优化,灵敏度分析和统计分析。
The sensitivity formulas about natural frequency and flutter damp to structure parameters were discussed, and the math models about optimization design were established.
建立固有振动频率和颤振阻尼对结构参数的敏度公式,设计两种不同优化问题的数学模型。
An efficient method for sensitivity analysis in shape optimization of continuum structures are presented in this paper.
本文介绍了连续体结构形状优化设计中灵敏度分析的一种有效方法。
The optimization efficiency is dependent largely on the calculating efficiency and precision of sensitivity analysis.
优化效率在很大程度上取决于灵敏度分析的计算效率和精度。
An optimization method for preform die shape in non-isothermal metal forming using plastic finite element method, sensitivity analysis and engineering optimization algorithm is presented.
采用塑性有限元、灵敏度分析和工程优化算法相结合的方法,对非等温成形过程中预锻模具形状进行了优化设计。
In layout optimization of stiffeners, the strain energy density sensitivity of the element was used to determine which elements of stiffeners should be deleted.
在加筋布局优化中,用单元应变能密度灵敏度作为删除单元的准则。
Based on aircraft sensitivity, a robust design optimization method is proposed.
提出了一种基于灵敏度分析的稳健设计优化方法。
The reliability sensitivity is added to the reliability-based optimization design model and the reliability-based robust design is summed up as a problem of multi-objection optimization.
把可靠性灵敏度融入可靠性优化设计模型之中,将可靠性稳健设计归结为满足可靠性要求的多目标优化问题。
In each optimization design iteration, sensitivity filtration is carried out after objective function sensitivity is obtained by calculation.
每次优化设计迭代中,计算得到目标函数灵敏度后进行灵敏度过滤。
The parameterized optimization model is introduced to analyze the existed optimal sensitivity algorithm.
引入带参数优化模型概念,分析了基于最优敏度信息的系统级约束构造算法。
At present, the method of sensitivity analysis depends on a algorithmic optimization, and asks to be can compute differential coefficient of the target function.
目前的灵敏度分析往往需要依赖于某种寻优算法,并要求目标函数能求取偏导数。
The paper investigates sensitivity analysis of multiobjective optimization in locally compact topological vector spaces instead of metric spaces and obtains much more general results.
利用局部紧的条件,将多目标优划问题的灵敏度分析由度量空间推广到拓扑线性空间,得到了更一般的结果。
This paper studies 3-d sensitivity analysis in arch dam shape optimization based on FEM with the Improved Semianalytical Method (ISM).
本文针对基于有限元分析的拱坝体形优化,采用改进的半解析法进行三维敏度分析。
The corrective control problem was decomposed into a nonlinear power flow and linear sensitivity computation sub-problem and a sensitivity-based linear programming optimization control sub-problem.
该算法基于连续线性规划技术,将安全校正问题分解为非线性潮流和线性控制灵敏度计算子问题以及基于灵敏度的线性规划控制子问题。
The corrective control problem was decomposed into a nonlinear power flow and linear sensitivity computation sub-problem and a sensitivity-based linear programming optimization control sub-problem.
该算法基于连续线性规划技术,将安全校正问题分解为非线性潮流和线性控制灵敏度计算子问题以及基于灵敏度的线性规划控制子问题。
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