查询词典 nonlinear optimization

Keywords:steel structure roof; steel tube truss; large cantilever; structure analysis; geometric nonlinear; optimization design

关键词］钢结构屋盖；钢管桁架；大悬挑；结构分析；几何非线性；优化设计

Sequential quadratic programming algorithms are widely acknowledged to be among the most successful algorithms for solving nonlinear optimization problems.

序列二次规划算法是求解非线性规划问题最有效的算法之一，是目前研究的一个热点问题。

The nonlinear optimization problem is solved with a sequential quadratic programming algorithm.

通过计算和分析优化结果，得出最佳控制参数，为今后自动变速的开发提

Trust region method is a class of important numerical algorithms for nonlinear optimization. There are strong convergence and reliability properties for these algorithms, so they are widely used in many fields.

信赖域方法是非线性优化中一类重要的数值计算方法，它具有良好的收敛性和稳定性，因此在许多领域都有广泛的应用。

Because of its strong convergence, robustness and validity, researchers in nonlinear optimization have paid great attention to it since 1970s.

自二十世纪七十年代以来，这种方法因其可靠性、有效性及很强的收敛性引起了非线性优化研究界许多学者的重视。

The formulation of power system transient stability preventive control based on optimal power flow is presents in this thesis, in which multicontingency is considered. The infinite dimensions nonlinear optimization problem in which differential-algebraic equations are existed is changing into finite dimensions difference-algebraic equations by implicit trapezoid method.

建立了基于最优潮流的电力系统暂态稳定预防控制模型，通过隐式梯形法将含有发电机动态微分-代数方程和暂态稳定约束的无限维优化问题转换成有限维的常规静态最优潮流问题。

unactuated joint, under actuated system, learning control, nonlinear optimization

通过研究，我们把人的这种运动传递关系简化为驱动关节 Actuated j

The linear weighted aggregative method is used for three objective nonlinear optimization problem.

对三目标的非线性优化设计问题，采用了线性加权和的方法，其中加权因子系用像集方法算出。

Taking a example for verilying the feasibility and computation precision of the approach,the computation results show that the PSO-based approach is a useful tool for solving such nonlinear optimization problems as cylindricity evaluation with complicated goal function and more parameters. It is superior to that given by the Least Square Method and a little better than or equal to those given by GA-based method and another Minimum Zone Method.

计算结果表明，该方法对于圆柱度误差评定这类具有复杂目标函数和较多参数的非线性优化问题有很好的计算性能，优于最小二乘法；与遗传算法和其它满足最小区域条件计算方法相比，计算精度略优于前者或者与前者相当，能够获得精度较高的结果，而突出优点是简单，易于实现而且计算效率较高。

The batch seeded isothermal desupersaturation experiments of SPM in aqueous solution were carried out and the overall crystal growth kinetics parameters were determined by the nonlinear optimization techniques. Assuming that the volume diffusion rate at growth is equal to the mass transfer rate at dissolution under the same conditions, the two-step crystal growth rate parameters can be determined. At the fow supersaturation, the surface integration rate is proportional to relative surface supersaturation.

通过测量螺旋霉素均相成核动力学，获得了表面能的值，估算出表面熵因子的值在1.41～1.56之间，从而可以推断出螺旋霉素晶体生长的表面反应速率同表面相对过饱和度成线性关系，这种生长机理同第四章得到的结果是相吻合的；利用估算的表面熵因子的值，把螺旋霉素晶体看作为简单的立方科瑟尔晶体，根据能量最低原理，对螺旋霉素的晶体生长进行了模拟。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。