Robustness research for mistuning identification of blisks from free response information

WANG Shuai; WANG Jian-jun; LI Qi-han

Chinese

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Robustness research for mistuning identification of blisks from free response information

更新时间：2026-07-07

- Robustness research for mistuning identification of blisks from free response information
- Vol. 25, Issue 5, (2010)
- 作者机构：
  
  北京航空航天大学能源与动力工程学院,北京,100191
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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WANG Shuai, WANG Jian-jun, LI Qi-han. Robustness research for mistuning identification of blisks from free response information[J]. 2010, 25(5).
DOI：

WANG Shuai, WANG Jian-jun, LI Qi-han. Robustness research for mistuning identification of blisks from free response information[J]. 2010, 25(5). DOI：

摘要

为有效运用整体叶盘结构失谐识别技术

针对一种以模态信息作为输入参数的识别方法进行了鲁棒性方面的研究.推导了该方法中识别参数对各输入参数的灵敏度公式

利用灵敏度分析的结果

可以明确各个输入参数的重要程度

为实际运用中获取输入参数信息提供指导;另外也可对识别结果的准确度作进一步的分析评价

为可靠的使用该识别方法提供保障.

Abstract

This paper presented a method for robustness investigation of mistuning identification of disks by taking free response parameters as input information. The sensitivity of identified parameters with respect to input parameters was derived

and the different importance of the input parameters could be estimated from the sensitivity analysis results. This method could help to acquire effective input information in practice and also to further evaluate the accuracy of identified results.

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Related Institution

School of Mechanical and Electrical Engineering and Automation，Shanghai University

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Collaborative Innovation Center of Major Machine Manufacturing;in Liaoning

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