探讨了以预张力和截面尺寸为设计变量的预张力结构优化设计问题。
The optimum design for pretensioned structures considering both the pretension force variables and the size variables was discussed.
初始缺陷和强度参数为设计变量，采用一阶矩法计算单元层的失效概率。
The initial imperfection and the strength parameters are considered as random variables. Ply-level failure probability is evaluated by the first order reliability method.
以单元密度为设计变量，材料用量为约束，以结构最小柔顺度为目标函数。
The density of elements was designed with theamount of the materials. The objective was to reduce flexibility of thestructure.
以膜单元的设计厚度与初始厚度的比值为设计变量，通过设计变量的量纲一化实现了设计变量的连接。
With the ratios of design thickness to initial thickness of membrane elements as design variables, design variables linking is implemented by dimensionless design variables.
本文以表征汽车车架动应力不均匀度为目标函数，以截面尺寸的大小为设计变量，对车架进行了优化设计。
This paper deals with optimal design of a vehicle frame. The unevenness of the dynamic stresses in vehicle frame is taken as objective function and the size of cross -section as design variable.
文中以拉索张力和杆件截面为设计变量，提出了预应力网架结构的优化模型，并给出了具体的优化设计步骤。
With optimization of pull cables and element sections as design variables, an optimization model and design approach for pre-stress space tress structures were obtained.
基于有限元直接法计算振动板的频率响应，以板局部厚度为设计变量，计算了振动速度对局部板厚度的灵敏度；
Its frequency response is calculated by use of FEM and its vibration velocity sensitivity with respect to its local thickness as a design variable is computed.
以结构的总重量最小为优化目标，以导管的平均直径和壁厚作为设计变量，考虑强度、刚度和稳定等约束条件。
Total weight of the structure was selected to be optimal objectives. Average diameter and wall thickness of the structural element were taken as design variables.
第二步是以车轮的质量为目标函数，以车轮的应力、径向及横向位移为约束函数，以车轮辐板形状为设计变量进行设计。
The second step is taking the mass of wheel as target function. The stress, radial and cross displacement of wheel as restrain function, the spoke profile of wheel as design variable.
首先以纵梁各部分单层厚度为设计变量，建立了以车架重量为目标函数的优化模型并进行了优化研究，取得了较好的优化效果。
The first optimum model is established with the target function of the frame's weight as well as with the design variables of the beam's single layer thickness.
该方法以轴承物理参数为设计变量，在工程实际应用中具有很好的实用性，通过在风机产品上的应用，证明该方法是行之有效的。
The method is that takes physical parameter of bearing as design variable. It has good practicality in actual use. It is effective in practice proved by the use of products of fan.
在极少使用和测试的不重要情形中疏忽了为循环变量设置新值，这是常见的程序设计错误。
A common programming error is failure to set new values for loop variables in corner cases that are rarely used and tested.
本文根据变量泵的具体情况，为其设计了自适应的神经网络模糊控制器，实现了变量泵的智能控制。
This paper describes that the combination of neural networks and fuzzy controller make the designing an intelligent controller for variable piston pumps become feasible and realistic.
以阀式径向柱塞定量泵为基泵设计了控制进油阻力的变量机构。
This article designed a displacement setting mechanism by the fixed quantity of valve model radial column piston as base pump.
本文提出了一种以网络零、极点为优化变量，设计升余弦基带成形网络的优化方法。
An optimal design method, taking zeros and poles of a network as optimal variables, for the baseband forming network with the raised cosine roll-off is presented in this paper.
本论文介绍了自行设计组装的AOTF-SPR装置，该装置采用固定入射光角度，以波长为变量的模式。
The AOTF-SPR sensor is designed on the basis of fixing angle of incidence and measuring the change of resonant wavelength.
这种方法为航空发动机多变量数字电子控制器的设计奠定了强有力的基础。
The proposed method can be applied to the establishment of the aeroengine state space model, which will be helpful in the multivariable digital electronic engine control system design.
结构的边界表示为若干设计变量的函数，结构形状优化问题表示为数学规划问题。
The structural boundary is represented by a function cf a series of design variables. Then the structural shape optimal design can be represented as a problem of mathematical programming.
为保证闭环控制系统的鲁棒性，设计了基于交流电机的矢量变换模型的多变量解耦控制器。
To ensure the system robustness, a multi-variable decoupling controller was designed based on the vector transform model of AC motor.
本文以地图符号的视觉变量和地图要素的表示等级为依据，详细介绍了地图设计专家系统中点状符号设计的推理模型。
On the basis of the visual variables of map symbol and the represent grade of map elements, this paper introduces the inference model of point symbol design in map design Expert System.
根据中心极限定理，以随机数为基础，设计了正态随机变量的结构公式，其数学期望和方差可任意给定。
On the basis of random numbers, The structure-formula of the normal random variable has been designed according to the limit theorem.
本文对螺旋压缩型弹簧的强度为模糊变量、应力为随机变量的情况，提出了模糊可靠的设计方法，并给出了计算实例。
This paper presents the fuzzy reliability design of the helical compression spring, on condition that a fuzzy variable strength and a random stress are given.
该喷药系统的设计，为实时变量对靶喷药除草机器人的研究提供了参考。
The designed spraying system provided a reference for the study on real-time variable target spraying weed robot.
以前保险杠系统主要结构参数为变量进行正交试验设计，利用综合分析法对前保险杠结构进行优化匹配。
With the main structural parameters of front bumper system as variables for orthogonal experiment design, we used comprehensive analysis to optimize and match the structure of the front bumper system.
论文以材料费用为目标函数，铁心长度及绕组匝数为变量编制了计算程序，对单相电机进行了优化设计并给出了计算结。
It selects material cost as target function, core length and winding turns as variables to develop program for optimization design of single phase motors.
为解决双转子涡喷发动机多变量系统的控制问题，采用了输入变换和状态反馈的方法，并对解耦后的系统设计了伺服跟踪控制器。
The input transform and state feedback are used for multivariable control system, and the integral servo tracking controller is designed for the decoupled systeins.
其次根据材料特点，将设计变量取为离散变量，给出了天线结构的多工况离散变量优化设计数学模型。
Then according to the characteristics of structure material, the variables are treated as discreteness, and the model is modified for discrete variables.
从工程上常用的振动设计准则出发，定义了振动问题的破坏模式，给出了以结构自振频率和外载频率为基本随机变量的安全边界方程。
A vibration failure mode of structural system was presented according to engineering design criterion. The safety margin equation of the vibration failure mode was developed.
最后以恒压泵变量机构为实例，对YB - 20ah型柱塞式恒压主量泵变量机构进行了寻优设计，并取得了良好的效果。
Finally, taking the constant pressure pump as example, we make YB-20AH axial piston pump with constant pressure optimized by this method.
最后以恒压泵变量机构为实例，对YB - 20ah型柱塞式恒压主量泵变量机构进行了寻优设计，并取得了良好的效果。
Finally, taking the constant pressure pump as example, we make YB-20AH axial piston pump with constant pressure optimized by this method.
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