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约束条件     
相关语句
  constraint condition
    Research on Regular Polygon Continuous Forming Principle and Mathematical Model Based on Straightness Constraint Condition
    基于直线度约束条件的正多边形连续成形原理及数学模型研究
短句来源
    The influence laws and the significance of the parameters to the forming quality are analyzed. The method for the selection of designing variable and establishment of objective function in optimization are put forward. By expert knowledge and empirical data, the constraint condition and optimization range are determined.
    系统研究了薄壁管数控弯曲参数优化设计的关键技术和优化策略,分析了各参数对成形质量的影响规律及显著性,给出了优化设计变量选取和目标函数建立的方法,提出了通过专家知识和经验数据确定约束条件和优化范围,然后对成形参数进行逐步优化,在此基础上,采用优化方法对成形参数实现精确优化设计。
短句来源
    Foundation of the constraint condition of cut ting force in Optimization of NC Turning Parameters
    数控车削用量优化切削力约束条件的建立
短句来源
    In the light of actual constraint condition, the medium flow field in quenching tank is simulated by the use of the finite-element software ANSYS, and the flow speeds of certain characteristic points in the flow field are measured through the ultrasonic Doppler speed meter. The simulated results are quite match with those of the experiment, so the reliability of numerical simulating is verified.
    根据实际约束条件,利用有限元软件ANSYS对淬火槽内介质流场进行了数值模拟,并采用超声波多普勒测速仪测定了流场中某些特征点的流速,模拟结果与试验结果吻合较好,从而验证了数值模拟的可靠性。
短句来源
    Base on this ,you can get a more practical algorithm by adding several constraint condition in according to your request .
    在此基础上,可以根据实际工程的需要,增加约束条件获得更为优化实用的算法。
短句来源
更多       
  constraint conditions
    The rational selection of cutting quantity in lathe cutting, the determination of objective function in majorizing design and the form of constraint conditions are presented.
    较详细地介绍了车削时切削用量合理选择、优化设计对目标函数的确定,约束条件的建立,并以切削速度为例,介绍最优切削速度确定.
短句来源
    Based on the ring rolling plastic mechanics and machine mechanics, the maindynamic constraint conditions of cold ring rolling mill were established, and the corresponding constraint parameter functions were deduced, which can be the criterions for machine design and cold ring rolling process parameters.
    (2)从环件轧制塑性力学和机构动力学出发,确立了环件轧制的动力学约束条件,并导出了对应于动力学约束条件的约束参数极限值表达式。
短句来源
    The paper also establishes the mathematical model in the process of NC punching with intelligence, and gets the conclusion that the correlation holes group processing question is the optimization problem of a single target combines with constraint conditions in fact, and the paper gives the objective function and constraint conditions for some questions which are to be optimized.
    最后,本论文详细分析了影响数控板材加工成套装备智能化的相关因素,建立起数控板材加工过程智能化问题的数学模型,并得出相关孔群加工问题为带约束条件的单目标组合优化问题,并给出了待优化的目标函数和约束条件
短句来源
    In this article, the mathematical model and constraint conditions for designing guide ways are constructed by means of mathematical programming, and the optimization method of penalty function is applied. By mean of IBM-PC and the application software for designing guide ways, an optimal combination of constructional parameters of guide ways with smaller specific pressure and longer life for keeping guiding accuracy has been obtained.
    本文提出车床床身导轨 CAD的新方法。 用数字规划理论建立导轨设计的数字模型和约束条件,采用罚函数法(SUMTD)优化方法,借助于 IBM-PC微机和导轨设计的应用软件,可获得导轨结构参数的最佳组合,使导轨具有较小比压,从而减少导轨的磨损,长期保持其导向精度和工作寿命。
短句来源
    For new design one, the dimension of the new electric spindle selected will be the interference constraint conditions and the machine will be without this interference.
    对新的设计 ,先选定电主轴后 ,其尺寸参数 ,可作为干涉约束条件 ,可计算得到无电主轴干涉的并联机床设计参数
短句来源
更多       
  restraint condition
    4 By studying mechanical optimization method , combining theory of metal cutting processing, summarize the optimization function by the cutting parameter as optimization aim and corresponding restraint condition. Adopt one of optimization methods -compound shape method - to calculate cutting parameter's optimization result.
    4 运用机械最优化方法,结合金属切削加工理论,推导了以切削参数为优四川大学硕I学位论文化目标的优化目标函数并确定了相应优化约束条件,采用优化方法中的复合形法实现了切削参数的最优化设计。
短句来源
    The general flow chart is worked out for optimization design of tolerance. Two practical methods is introduced for optimization design of tolerance, one method making the match of the difficulty degree of machining object and manufacturing resourse as restraint condition, another one making the minimun manufacturing cost as restraint condition.
    提出了优化公差设计的一般流程 ,介绍了以加工难度与制造资源匹配为约束条件和以最低制造成本为约束条件的两种实用公差优化设计方法。
短句来源
  restricted conditions
    This article describes the method of optimizing the layout of the materials in metal-processing ,especially defining objective functions and restricted conditions of optimisation, and applies Visual Lisp programming language,Fortran language to realize them based on AutoCAD plane.
    本文介绍了金属成型布料优化的方法,尤其是如何确定优化目标函数及约束条件; 并在AutoCAD平台上,利用VisualLisp编程语言和Fortran程序语言实现布料的优化。
短句来源

 

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  constraint condition
Under this constraint condition, the Total Least Squares(TLS) algorithm is used to prove that the method is effective.
      
With properly permuting Q-matrix as sub-matrix, the sparse parity-check matrix which satisfied constraint condition is created, and the good regular-LDPC code that is called the Q-matrix LDPC code is generated.
      
A hierarchy of Hamiltonian systems obtained from the Lax pair of KdV hierarchy under the constraint condition on potentialu = ?q, q? is presented.
      
This is indeed the case when one tries to eliminate the constraint condition of strain-stress relation in variational principle of minimum complementary energy by the method of Lagrange multiplier.
      
By using constraint condition of the strength, a equation of high degree is finally solved.
      
更多          
  constraint conditions
The kinematic constraint conditions and dynamic constraint conditions for elastic displacements are presented.
      
On the 4D variational data assimilation with constraint conditions
      
An investigation is carried out on the problem involved in 4D variational data assimilation (VDA) with constraint conditions based on a finite-element shallow-water equation model.
      
VDA with constraint conditions controlling the growth of gravity oscillations is efficient to eliminate perturbation and produces optimal initial field.
      
The process system exergoeconomic relationship primarily include the establishment of the Three-link model of process systems, the composition of objective functions, and the corresponding boundary constraint conditions for optimization.
      
更多          
  restriction condition
Regenwetter and Grofman [17] offer a probabilistic generalization of Sen's [25, 27] classic value restriction condition when individual preferences are linear orders.
      
National Election Study data sets reveals, in each case, transitive majorities despite a violation of Sen's original value restriction condition.
      
The total angular motion from C2 to C7 was normal in the unrestricted condition and was significantly reduced in the feigned restriction condition (p>amp;lt;0.001).
      
The principle of the TTSMS, its mechanical structure, the adoption of its parameters and the terrain-restriction condition of TTSMS are introduced in this paper.
      
We propose to describe default logic as a logic where the juxtaposition of default proofs is subordinate to a restriction condition Ψ.
      
更多          
  restraint condition
The perceptual threshold of target displacements resulting in an increased target eccentricity was greater when subjects combined eye and arm movements toward the target object, specially for the no-restraint condition.
      
No sex differences were observed in the restraint condition.
      
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