查询词典 optimization program

After studying the characteristics of Particle Swarm Optimization,Particle Swarm Optimization is used in wavelet domain to optimize the thresholds,and garrote shrinkage function is used to process wavelet decomposition coefficients,which overcome the shortcoming of discontinuity of hard-threshold and decreased the fixed bias of soft-threshold.

研究粒子群优化算法的特性，将其应用于小波域，对阈值进行寻优，并使用garrote阈值函数量化小波分解系数，而garrote阈值函数既克服了硬阈值函数的不连续性，也减小了软阈值函数存在的恒定偏差。

The author researched into a new optimized design of gear-driven in quick-change gear box ,describing a way in detail to solve gear-driven parameter optimization by using optimization toolbox of Matlab.

研究了基于Matlab平台建立车床进给箱换向机构齿轮传动的优化设计模型，描述了利用Matlab优化工具箱解决进给箱齿轮传动参数优化问题的具体方法。

Then, taking the coordinates of every gemel as the optimization variables, the optimization analyses with the improved constrain terms, aiming to the load on the leaf spring and the structure of mechanism, is applied on the four-bar linkage mould oscillation mechanism and the single-leaf spring oscillation mechanism.

本文介绍了连铸结晶器的振动装置的发展，并以各铰链点位置坐标为优化变量，针对板簧受力和整体结构，给出相应的约束条件，对四连杆振动装置和半板簧振动装置进行了优化分析。

On the basic that existing second-order sufficient condition for an isolated minimizer of order 2 for unconstrained multi-objective optimization, using the so called oriented distance from a point to a set, l-stable function and generalized second-order Peano direction derivative, some second-order sufficient conditions for an isolated minimizer of order 2 for constrained multiobjective optimization problems with l-stable functions are obtained.

在已有的无约束l-稳定函数多目标优化问题的二阶充分条件的基础上，借助定向距离函数和l-稳定函数的性质及引入的广义二阶Peano方向导数，进一步刻画了具有抽象约束的l-稳定函数的多目标优化问题的二阶孤立极小点的二阶充分条件。

In order to meet the discharge norm of the contamination concentration limit, zone generalized predictive control is adopted which transforms the conventional quadratic objective of the MPC into a linear programming with soft constraints; besides, considering the wastewater treatment plants energy-saving targets, a multi-objective predictive control is formulated and finally hierarchical multi-objective optimization algorithm is applied for on-line optimization solution.

根据污水处理过程的实际要求，为了满足氮浓度的排放标准区间要求，研究了污水处理过程的区间广义预测控制策略，把预测控制的常规二次目标转化为带软约束问题的线性优化问题；同时考虑到污水处理的能耗，在出水水质目标之上建立了能耗最小目标，得到了污水处理的多目标预测控制，最后采用分层多目标优化算法进行在线优化求解，得到污水处理过程的多目标预测控制。

The DFP method is proved a officient one in processing unconstrainted optimization problem, so in this thesis, used the idea of mechanical structural optimization for reference analytically and extended modified formula of DFP—matrix to shape optimiation the DFP—Hamilton function method is put forward.

由于变尺度方法是有效的无约束优化方法，本文在分析的基础上借鉴了机械结构参数优化的思想，并将变尺度矩阵的修正公式扩展至形状优化中去，进而提出了变尺度—H函数极值法，并用其解决了梁、柱和复杂曲面的形状优化设计问题，取得了较好的效果。

The applied result shows that the new PP regression model based on particle swarm optimization and Hermite polynomial fitting is simple in use, fast in computation and effective in optimization. This algorithm may serve as a useful tool in synthetic earthquake prediction study.

通过计算和分析表明，基于粒子群优化算法与厄米多项式构建的投影寻踪回归模型具有简单、快速、有效的特点，在实际地震综合预测建模中取得了满意的效果，可作为地震预测的一种综合分析方法。

This thesis comprises the following: 1 With regard to the shape optimization of car body of flat which is used to load the container, this thesis uses the module HYPERMORPH of software HYPERMESH , manipulates domain and handle and controls the gridding distortion. Get the good gridding quality and make the preparation for the further shape optimization.

针对本论文关于集装箱平车车体的形状优化问题，利用HYPERMESH中的HYPERMORPH模块，通过对"域"和"柄"的操作来控制网格形状的改变，以解决网格畸形问题，得到较好的网格质量，为进一步的形状优化做好准备。

Based on the integration function and optimization function of platform ISIGHT The software ANSYS is integrated as FEA tool and HYPERMORPH module of HYPERMESH is integrated as controlling the change of shape, size and shape optimization is done to the body of container plat vehicle, at last minimum weight of body is achieved.

利用ISIGHT集成优化功能集成强度刚度分析仿真程序ANSYS和HYPERMESH的形状变形模块HYPERMORPH，对集装箱平车车体进行尺寸及部分形状优化，实现车体的轻量化设计。

According to the requirement of power supply company, the authors propose a concept of weekly market by which the impact of price elasticity matrix of demand side on power purchase decision-making under time-of-use price is led into the optimization of power supply company's power purchase from weekly market, and a multi-objective stochastic optimization model for power purchase from weekly market in which the price elasticity matrix of demand side and risk are considered.

根据供电公司购售电业务的工作需要提出了周市场的概念，首次将分时电价下需求侧电量电价弹性矩阵对购电决策的影响引入供电公司周市场购电优化中，并建立了计及需求侧E矩阵与风险的周市场购电多目标随机优化模型。

I hope that this success is just the first in a long series.

我希望这只是成功的开始。

Three dimensional stresses on the interface of tire and soil, tire deflection and soil sinkage are measured.

测试轮胎——沙土界面上的三向应力、轮胎变形和沙土沉陷；建立考虑剪切应力对沙土承载特性产生影响的车轮牵引性能预测模型；分析车轮作用下土壤的纵向稳定性。