This article compares general administrative tasks but does not delve into issues regarding manageability , stability , and scalability . nor will it look at how the engines are written , or how the optimizer works for each 本文对一般性管理任务进行了比较,但并没有深入讨论可管理性、稳定性和可伸缩性的问题,也不会讨论两种数据库引擎的编写方式,或者优化程序的工作方式。
To make the control system feasible and easy to operate , a new scheme is put forward . the acceleration information of the top deck motion is used as input data and an empirical formula is used to obtain the optimum parameters of the vstmd 此方法在不降低控制器效果的前提下简化了优化程序,提高了运算速度,更有利于平台振动的实时控制,实现控制系统对结构振动的最优控制。
In the articulation space , we optimize time ; form module by adopting b spline curve , which including speed and acceleration constraint . we make use of mainly compound form optimizing program to find optimal solution 在关节空间中,针对时间的进行优化,采用b样条曲线来构建优化轨迹模型,把速度和加速度约束因素包括进来,利用复合形的优化程序寻最优解,符合要求的优化精度。
The theoretical formula for structural computation of buried stiffened - pipes is derived based on the axisymmetric bending theory of cylinders and thereby a program of structural stress computation and design optimization of buried pipes are developed 摘要作者根据圆柱壳的轴对称弯曲理论,推导出地下加劲埋管结构计算的理论公式,并据此编制出地下埋管结构应力计算和设计优化程序。
Sse and sse2 instructions will be used for some scalar floating - point computations , when it is determined that it is faster to use the sse sse2 instructions and registers rather than the x87 floating - point register stack 时,优化程序将选择何时以及如何使用sse和sse2指令。当确定使用sse / sse2指令和寄存器肯定要比使用x87浮点寄存器堆栈更快时, sse和sse2指令将用于某些标量浮点计算。
Then programs a program to deal with the optimization , including continuous variables and disperse variables , introduces the function , structural and flow chart of the program , and gives some calculating examples and results " analysis 然后,编制了能分别处理连续变量和离散变量的优化程序,给出了基于遗传算法的桁架结构系统可靠性优化程序的功能、构成和框图,以及相应的算例及结果分析。
In addition , the variable " s and disturbing load " s influences are discussed . for practical problem , the qjdu - c program ( c language ) is developed and improved , such as adding preceding , posterior disposal module and structure mode export tool 基于工程实际问题,作者对汽轮机基础框架结构动力优化程序qjdu - c ( c语言)程序进行相应的完善和维护,改进了前、后处理模块,增加图形化输出功能。
At the same time , the author has written the single - target optimization design ? program that is used to design cams which have the highest efficiency and the double - target optimization design ? program which is used to design cams which have higher efficiency and better machine characteristic 同时,作者编写了追求效率最高的单目标优化程序以及既追求效率高、又追求加工性能好的双目标优化设计的通用程序。
This article builds the model of the muffler on basis of the transfer matrix method . the optimization model is developed , which the demand of muffler design is met in . on this basis , the authors make the program of calculation and optimum design . the optimization model is verified to be practical 本文运用传递矩阵法建立了消声器性能的数学模型,给出了兼顾消声器各项设计要求的优化设计模型,编制了计算机及优化程序,并进行了试验验证。
Because the microscopic model needs the distinct structure relation , the numerous input data and the long time of computing , the macroscopic model was used . after analyzing methods for the nodal pressure , the corresponding optimal program was drawn up 由于微观模型要求拓朴结构关系清楚,所需输入数据多,计算耗时长,所以根据实际情况建立了管网的宏观模型,针对宏观模型的特点,分析了测压点数目和位置的确定方法,进而编制了计算机优化程序。