434 SEAを用いた振動入力源同定手法のエンジンでの検討(解析法1(同定,理論解析),OS-13 モード解析とその応用関連技術)
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概要
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This paper describes the applicability of power input identification technique using the Statistical Energy Analysis (SEA) to an engine structure. It is difficult to apply SEA to the engine structure because of its stiffness and complexity. It brings the discussion of precision of SEA model. A variance estimation technique for SEA parameters is developed. As a result, the good SEA model with high accuracy above IkHz can be obtained. Subsequently, this SEA model is tried to identification of power input under impact condition.
- 2004-09-27