本文之研究旨在利用單自由度系統振動響應頻譜之預測方法，預測結構體於外在衝擊環境所造成基底振動負載之共振響應，並以商業有限元素軟體ANSYS對印刷電路板結構作振動負載之數值模擬，探討多自由度系統之響應頻譜與單自由度系統振動響應頻譜預測結果之差異性，並利用自由落體式衝擊試驗機對電路板試片產生相同之衝擊環境，擷取其加速度響應與數值模擬結果做比對，以驗證振動頻譜響應預測方法在衝擊的環境負載下之準確性。
接著應用此方法於成大自製衛星LEAP之整顆衛星結構分析，探討飛行環境中之衝擊振動對於主要酬載元件之加速度響應，檢視結構之自然模態頻率是否與振動響應預測峰值之頻率重疊，提供未來衛星分析與設計改良之參考，期望能夠提高衛星結構與酬載在發射升空過程中的存活率，減少因為結構的不良設計所造成的次系統與酬載折損。

The main goal of this thesis is using vibration response spectrum method to predict the resonance response of a single-degree-of-freedom structural system under the base vibration excitation that is induced by external shock environment. Also, with using FEM simulation software “ANSYS”, we could simulate the dynamic response of a PCB structure under vibration load. Then, discussed the diverseness of projection between response spectrum of multi-degree-of-freedom system and vibration response spectrum method of a single-degree-of-freedom system. Moreover, with using free-falling impact tester to generate the same shock environment on PCB structure. We can verify the accuracy of vibration response spectrum method under the shock vibration environment.
Subsequently, with the application of the aforesaid method, the structural analysis of LEAP satellite which made by NCKU can show the acceleration response of main payload in satellite system under launch shock vibration environment. For the sake of reference of future analysis, design and improvement of satellite, the survey of cumulation between the natural frequency and peak value of vibration response method prediction is important.
Herewith the survival rate of satellite and payload can be raised during the launching. Besides, the subsystem and payload damage caused by the improper design of structure can be reduced accordingly.

全文中文摘要
全文英文摘要
目次
表目次..................................................................Ⅰ
圖目次..................................................................Ⅱ
第一章 緒論.............................................................1
1-1 前言................................................................1
1-2 文獻回顧............................................................3
1-3 研究動機及目的......................................................5
1-4 研究方法............................................................7
第二章 基礎理論 ........................................................9
2-1 振動響應頻譜(VIBRATION RESPONSE SPECTRUM )..........................9
2-2 JEDEC標準衝擊規範之介紹............................................16
第三章 振動響應預測與實驗方法及流程....................................21
3-1 前言...............................................................21
3-2 振動響應頻譜預測...................................................22
3-2-1 半正弦脈衝波振動響應頻譜預測....................................22
3-2-2 後緣鋸齒脈衝波、梯形脈衝波振動響應頻譜預測......................23
3-3 實驗方法與步驟.....................................................24
3-3-1 實驗設備介紹....................................................24
3-3-2 實驗配置........................................................27
3-3-4 實驗程序........................................................29
第四章 數值模擬分析方法...............................................45
4-1 幾何模型...........................................................45
4-2 材料性質設定.......................................................45
4-3 振動響應頻譜分析(VIBRATION RESPONSE SPECTRUM ANALYSIS).............46
4-4 簡諧分析(HARMONIC ANALYSIS)........................................47
4-5 結果與討論.........................................................48
4-5-1 數值模擬與實驗驗證..............................................48
4-5-2 衝擊振動之加速度振動響應探討....................................50
4-5-3 振動響應頻譜驗證................................................52
4-5-4 結論............................................................53
第五章 微衛星結構之振動響應頻譜預測....................................87
5-1 微衛星結構配置簡介.................................................87
5-1-1 衛星結構設計....................................................87
5-1-2 數值分析模型與材料組成定義......................................88
5-2 模態分析與簡協分析之響應頻譜.......................................89
5-3 衝擊振動之加速度振動響應探討.......................................90
5-4 振動響應頻譜驗證...................................................92
5-5 結果討論...........................................................93
第六章 結論討論與未來展望.............................................117
6-1 結論..............................................................117
6-2 未來展望..........................................................118
參考文獻..............................................................120

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