成功大學博碩士論文系統

簡易檢索 / 詳目顯示

回結果列表

研究生：	劉立泰 Liu, Li-Tai
論文名稱：	微震監測自動化系統程式之建立 Development of Automatic Program for Microseism Measurement
指導教授：	朱聖浩 Ju, Shen-Haw
學位類別：	碩士 Master
系所名稱：	工學院 - 土木工程學系 Department of Civil Engineering
論文出版年：	2004
畢業學年度：	92
語文別：	英文
論文頁數：	99
中文關鍵詞：	訊號、強迫振動、振動模態、自然頻率、三分之一倍頻法、微震
外文關鍵詞：	forced vibration, mode shape, natural frequency, one-third octave band, microseism, signal
相關次數：	點閱：150 下載：7
分享至:	分享至facebook 分享至twitter

查詢本校圖書館目錄查詢臺灣博碩士論文知識加值系統勘誤回報

　　由於目前台灣科技產業蓬勃發展，高科技廠房不斷地興建與開發，因此廠房微振問題也逐漸受到產界及學界的注意。但目前市面上的微震監測系統價值卻高達上百萬，一般的研究團體根本無法支付如此昂貴的價錢，以致於失去微震方面的相關研究機會，這不僅衝擊到國內研究團體的權益，也是台灣邁向科技之島的一大隱憂。
　　有鑑於此，本文針對微震自動化監測系統程式進行研究與開發，並將此程式提供各界使用與修改。其中，軟體方面使用Visual Basic 6.0建立一套監測系統的使用者平台，硬體則包含集錄器、加速度計、積分器…等。待至程式開發完成後，將至高雄路竹科學園區和台南麻豆進行現地震動量測實驗，並將量測到的結構振動量值與國家地震中心及某顧問公司的微震監測系統作比對，其結果如下:
1.其結果與國家地震中心相差大約2~3 dB，就現地試驗而言，此誤差屬於可接受的範圍內。並且，誤差大多發生在低振動量部分，而非我們所關心的最大值上，因此就廠房振動分析而言，其影響不大。
2.其結果與某顧問公司比較則是相當吻合，兩系統所量得的振動量值曲線幾乎重疊。

　　At present, the industry of science and technology is booming in Taiwan, and the high-tech plants are rapidly built one by one, so the microseism problems of plant are gradually noticed by the field of industry and academia. However, the measurement system for microseism is cost even up to one million NT. dollars, and it is impossible for the common research groups to pay such a price at all, and then lose the opportunities of doing the relative researches. This phenomenon not only attacks the native researcher’s rights but also be an obstacle for Taiwan to grow into a high-tech island.
　　For this reason, this study is mainly to develop an automatic program for microseism measurement, and further will provide this program for the public to use or make it better. In which, I use Visual Basic 6.0 to setup a user interface, and for the hardware, the system includes the collector accessory, accelerometer, integrator, etc. Besides, in this study, we performed two field experiments at Kaohsiung LuChu Science Park and Tainan MaDou respectively in order to validate our system by comparing the received dB values with the National Center for Research on Earthquake Engineering (NCREE) and a consultant company, and the comparison results are briefly described as follows:
1.For the comparison with NCREE, the inaccuracies are about 2~3 dB, indicating an acceptable results for the field experiment. Furthermore, the inaccuracies mainly appear at the part of lower dB, but not on the peak which we care. Therefore, those inaccuracies just have a small influence on
the vibration analysis.
2.For the comparison with a consultant company, the two dB curves are almost covered each other, indicating a very well consequence.

List of Tables	                                                        IV
List of Figures                                                          V

Chapter 1  Introduction	                                                 1
1-1 Background and Purpose	                                         1
1-2 Literature Review	                                                 2
1-3 Brief Account of this Research	                                 3

Chapter 2  Numerical Theory	                                         5
2-1 Brief	                                                         5
2-2 One-Third Octave Band Method	                                 5
2-3 Response to Vibration Generator	                                 9
2-4 Subspace Method	                                                10

Chapter 3  Development of Signal Acquisition Program	                12
3-1 Introduction	                                                12
3-2 The Brief of Signal	                                                12
3-2-1 Signal Classification	                                        12
3-2-2 Signal Processing	                                                13
3-3 Visual Basic and Signal-Acquisition Program          	        15
3-3-1 Control Method for NI-DAQ Card	                                15
3-3-2 Essential Skills of this Program	                                15
3-3-3 Signal-Acquisition Program	                                17
3-4 Operation Guides of the Single-Acquisition Program	                20
3-5 Devices of Signal-Acquisition System for Micro-Vibration	        25

Chapter 4  Finite Element Analysis of Experimental Building	        32
4-1 Introduction	32
4-2 Mesh Generation Programs and Dynamic Analysis Program	        32
4-2-1 AD.exe for Generation of Building Mesh	                        32
4-2-2 VASJAPAN.exe for Generation of Soil Mesh	                        34
4-2-3 AN.exe for Dynamic Analysis	                                40
4-3 Establishment of Experimental Building’s Model	               40
4-4 Combination of Soil Model and Building Model	                43
4-5 Outcomes of Natural Frequency and Mode Shape	                45

Chapter 5  Forced Vibration Experiment	                                51
5-1 Introduction	                                                51
5-2 Experimental Building and Measured Points	                        51
5-3 Experimental Equipments and Devices	                                53
5-3-1 Shaker	                                                        53
5-3-2 Velocimeter	                                                57
5-3-3 Data-Acquisition Software	                                        58
5-3-4 Portable Battery	                                                59
5-4 Experiment Procedures	                                        59
5-4-1 Prior Scheme for this Experiment	                                59
5-4-2 Steps under the Experiment	                                60
5-5 Data Processing and Analysis	                                63
5-6 Cautions of this Experiment	                                        64
5-7 Identification of Dynamic Characteristics	                        65
5-7-1 Natural Frequency	                                                65
5-7-2 Mode Shape	                                                69

Chapter 6  Reliability of Self-Developed Signal Acquisition Program	72
6-1 Introduction	                                                72
6-2 Comparison with the System of NCREE	                                72
6-2-1 Brief of this Experiment	                                        72
6-2-2 Results of the Comparison	                                        72
6-3 Comparison with the System of a Consultant Company	                73
6-3-1 Brief of this Experiment	                                        73
6-3-2 Results of the Comparison	                                        74
6-4 Conclusion	                                                        78

Chapter 7  Conclusion	                                                94
7-1 Conclusion	                                                        94
7-2 Suggestion	                                                        95

Reference		                                                97


                                    

[1] Gordon, C.G., “Generic Criteria for Vibration Sensitive Equipment”, SPIE, Vol.1619, pp.71-75, 1991.

[2] Gordon, C.G., “Methods of Developing Vibration and Acoustic Noise Specification for Microelectronics Process Tools”, SPIE, Vol.2264, pp.93-103, 1994.

[3] Ju, S.H. and Kung, K.S., “Mass types, element orders and solving schemes for the Richards equation”, Computers & Geosciences, Vol.23, pp.175-187, 1997.

[4] Ju, S.H., “Finite element analysis of wave propagations due to high-speed train across bridges”, International Journal for Numerical Methods in Engineering, 2001.

[5] Ju, S.H. and Wang, Y.M., “Time-dependent absorbing boundary conditions for elastic wave propagation”, International Journal for Numerical Method in Engineering, Vol.50, pp.2159-2174, 2001.

[6] Ju, S.H., ”Modeling flexible pile foundations using finite elements”, Proceedings of the 3rd Japan-Korean-Taiwan Joint Seminar on Earthquake Engineering for Building Structures, Taipei, Nov, 2001, pp.127-134, 2001.

[7] Ju, S.H., “Evaluating foundation mass, damping and stiffness by least-squares method”, Earthquake Engineering and structural Dynamics, Vol.32, Issue 9, pp.1431-1442, 2003.

[8] Ju, S. H., “3D finite element analyses of wave barriers for reduction of train-induced vibrations”, Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 2002.

[9] 江哲銘，「建築物噪音與振動」，建築情報雜誌社，1993。

[10] 朱汝汾，「振動量測應用簡介」，工業技術，第92期，1982。

[11] 李吉龍，「高科技園區環境微震監測系統之程式發展」，國立成功大學土木研究所碩士論文，2001。

[12] 林義祥，「微電子廠房之動力特性與振動衰減」，國立成功大學建築研究所碩士論文，1994。

[13] 范逸之、廖錦棋，「Visual Basic資料擷取卡控制」，文魁資訊股份有限公司，2003。

[14] 洪錦魁，「Visual Basic程式設計入門與應用」，文魁資訊股份有限公司，1999。

[15] 姚昭智、連建喜，「實測建築物受不同震動源之自然頻率與阻尼比」，中華民國建築學會「建築學報」，第20期，pp.109~122，1997。

[16] 胡金鳴，「公害振動的預測技術」，建弘出版社，1988。

[17] 陳澤雄、林清祥、黃珮瑩、陳柏宏、陳建成，「精通Visual Basic 6.0」，碁峯資訊股份有限公司，2002。

[18] 陳興，「振動量測」，機械月刊，第21卷，第11期，1995。

[19] 陳兩興，「振動感測器的發展趨勢」，量測資訊月刊，第22期，1991。

[20] 陳又生，「振動及其量測」，機械月刊，第8卷，1982。

[21] 黃榮銘，「微電子廠房之地震分析」，國立成功大學航太研究所碩士論文，2003。

[22] 黃少琦，「振動試驗系統與其應用」，機械月刊，第20卷，第10期，1994。

[23] 廖財昌，「雜訊探究與誤動作防止對策」，金華科技圖書股份有限公司，1980。

[24] 盧煉元、卞志堅，「振動產生器之原理與應用」，科儀新知，第16卷，第5期，1995。

[25] 鍾慶樺，「微電子廠房之動力分析」，國立成功大學航太研究所碩士論文，2002。

校內：立即公開
校外：2004-06-28公開

簡易檢索 / 詳目顯示

相關論文