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 模态集结法
 modal aggregation method
 Then the high order model was reduced by the modal aggregation method. 采用模态集结法对其高阶模型进行降阶. 短句来源 There are many ways to choose an appropriate aggregation matrix in the modal aggregation method to simplify the large-scale systems. This paper mainly applies the method of solving the eigenvectors in the matrix theory to find the modal matrix. Considering that the state-matrix of the real system can’t be complex numbers, the Jordan block is given a proper transformation to find the correspohding modal matrix. 用于简化大系统的模态集结法中模态矩阵的求法很多,主要讨论将矩阵分析求解特征向量的方法用于模态矩阵的求取,并考虑到实际系统中状态矩阵不能为复数,将约当块进行适当的变形,求取对应的模态矩阵,给出了用Matlab计算全过程的程序. 短句来源
 modal aggregation
 Then the high order model was reduced by the modal aggregation method. 采用模态集结法对其高阶模型进行降阶. 短句来源 MODAL AGGREGATION AND ITS APPLICATION IN FLIGHT MECHANICS 模态集结法及其在飞行力学中的应用 短句来源 Application of the Modal Aggregation to Modeling and Simulating Hydraulic System 模态集结法在液压系统建模与仿真中的应用 短句来源 This paper explores application of the modal aggregation to modeling and simulating hydraulic system, and proves that the method is correct and effective through practical example. 本文探讨了模态集结法在液压系统建模与仿真中的应用,通过实例验证了此法是正确和有效的. 短句来源 There are many ways to choose an appropriate aggregation matrix in the modal aggregation method to simplify the large-scale systems. This paper mainly applies the method of solving the eigenvectors in the matrix theory to find the modal matrix. Considering that the state-matrix of the real system can’t be complex numbers, the Jordan block is given a proper transformation to find the correspohding modal matrix. 用于简化大系统的模态集结法中模态矩阵的求法很多,主要讨论将矩阵分析求解特征向量的方法用于模态矩阵的求取,并考虑到实际系统中状态矩阵不能为复数,将约当块进行适当的变形,求取对应的模态矩阵,给出了用Matlab计算全过程的程序. 短句来源
 “模态集结法”译为未确定词的双语例句
 This paper deduces the approximate formulas of aircraft total energy reposing to wind shear, analysis the relation between total energy and height mode, presents a method of designing total energy feedback. 本文采用模态集结法,导出了能量高度响应的近似公式并分析了高度模态与能量高度的对应关系,由此给出了采用能量高度反馈的设计方法。 短句来源

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 This paper explores application of the modal aggregation to modeling and simulating hydraulic system, and proves that the method is correct and effective through practical example. 本文探讨了模态集结法在液压系统建模与仿真中的应用,通过实例验证了此法是正确和有效的. This paper deduces the approximate formulas of aircraft total energy reposing to wind shear, analysis the relation between total energy and height mode, presents a method of designing total energy feedback. The calculating results show that the approximate formulas deduced having a good precision and the simulation solutions show that the feedback control obtained would increase greatly the ability of an aircraft panatrating windshear. 本文采用模态集结法,导出了能量高度响应的近似公式并分析了高度模态与能量高度的对应关系,由此给出了采用能量高度反馈的设计方法。计算表明近似公式反映了飞机在穿越低空风切变时的响应特性,模拟结果表明本文中的反馈设计明显提高了飞机穿越低空风切变的能力。 The authors previous paper on open-loop model and parameter perturba-tion for active flutter suppression system[6] appears to be better than the threemethods of Roger, Karpel and Edwards[3] respectively. The above-mentionedthree methods are still widely used. For the convenience of preliminary control design and analysis, a reducedopen-loop model is to be preferred over the full model of the authors previousresearch. This paper's contribution appears to be that such a model reduction,based on Chidambara's modal... The authors previous paper on open-loop model and parameter perturba-tion for active flutter suppression system[6] appears to be better than the threemethods of Roger, Karpel and Edwards[3] respectively. The above-mentionedthree methods are still widely used. For the convenience of preliminary control design and analysis, a reducedopen-loop model is to be preferred over the full model of the authors previousresearch. This paper's contribution appears to be that such a model reduction,based on Chidambara's modal aggregation[5], is obtained. Sometimes modelreduction brings with it excessive errors in parameter perturbation. In thispaper's model reduction, the errors of parameter perturbation are successfullykept within allowable limits. A numerical example is given. Numerical results show that the reducedmodel is a good approximation of the full model as can be seen from Fig.3.Therefore the authors believe that their reduced model can be used in controldesign and analysis. 本文在改进的非定常气动力拟合的基础上,运用模态集结法,对颤振主动抑制系统(AFSS)进行了降阶处理,导出了降阶前、后模型参数摄动误差表达式。数值计算结果表明,对选定的计算项目,本文给出的降阶模型和参数摄动误差,在AFSS参数摄动范围内,与全阶模型非常接近;故可用来进行AFSS其他项目的设计和分析。 << 更多相关文摘
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