臺灣博碩士論文加值系統

現行的球棒測試標準可分為美國材料測試學會（ASTM）與美國大學生運動學會（NCAA）兩種檢測標準，這兩種方式都是在實驗室進行檢測，並不能直接推論實際打擊時的情況，本研究目的在探討不同材質球棒在實際打擊時球棒打擊特性，並使用實際打擊測試探討球棒與球碰撞時的球回彈速度比（BESR）與球棒性能參數（BPF）等打擊特性參數，進一步探討球棒經非破壞檢測結果與打擊特性之關係。本研究結果得知，不同材質球棒在「球回彈速度比」、「球棒恢復係數」、「球棒性能參數」並不因球棒材質的不同而造成明顯的差異；球棒經非破壞檢測後之橫向頻率會直接影響球棒的「球回彈速度比」、「球棒性能參數」、「球棒恢復係數」。根據實驗結果建議，未來球棒的檢測應增加實際打擊測試方法，作為驗證球棒的性能的指標。

The current standards of bat testing could be divided into ASTM and NCAA. Both of these methods are done in the labs, in stable, controlled environments. For example, NCAA uses air cannon to project baseball towards a stationary bat, and then capture the velocity before and after the impact to determine BESR (ball exit speed ratio). While these methods are proven effective, they neglect to take into account the actual environment when the bat is used in the field. The purpose of the research is to draw correlations between BESR and BPF (bat performance factor) of three types of material found by field tests, with values of natural frequency and MOEd (dynamic modules of elasticity) found in the lab. By analyzing the correlations between filed tests and NDT tests, a new index could be drawn, which could transform natural frequency and MOEd results into BESR and BPF results. The results of the research show that there are no significant differences in BESR and BPF between the three types of materials. However there is a strong, positive correlation between the transverse natural frequency and the BESR and BPF of the bat. In other words higher frequency of the bat would result in a high value in BESR and BPF. In conclusion, NDT method is proven to be effective both in laboratory and actual analysis. In the future it could evaluate and create a new index to analyze bat performances.

目 錄
論文審定書 ii
作者授權書 iii
摘 要 iv
ABSTRACT v
誌 謝 vii
目 錄 viii
圖目錄 x
表目錄 xii
第壹章 緒論 1
第一節 前言 1
第二節 研究背景 2
第三節 研究目的 43
第四節 研究假設 43
第五節 研究範圍與限制 43
第六節 名詞解釋與操作型定義 46
第貳章 研究方法與步驟 53
第一節 研究方法 53
第二節 實驗儀器與設備 55
第三節 實驗步驟 58
第四節 資料蒐集與處理 64
第参章 結果與討論 68
第一節 不同材質球棒其球棒打擊參數之比較 71
第二節 非破壞檢測與球棒打擊參數之比較 73
第三節 綜合討論 75
第肆章 結論與建議 84
第一章 結論 84
第二章 建議 86
參考文獻 88
附錄一、受試者同意書 93
附錄二、受試者基本資料表 94

中文部分
中華民國棒球協會（民95）。95年度春季聯賽打擊率資料。2006年6月 24日，取自於中華民國棒球協會官方網站。http://www.ctba.org.tw/file/folder/D522061131402.doc。
中華職業棒球聯盟比賽用棒球之測試標準（民92）。中華職業棒球聯盟，台北市。
王袺成、劉宗翰、吳四印(民92)。以Ash及Maple為例探討不同樹種為原料及不同外型設計對棒球棒基本性質之影響。論文發表於中華林學會九十二年度論文發表會，嘉義縣，國立嘉義大學。
卓志隆（民89）。栽植距離對柳杉強度變異之影響（Ⅱ）－動彈性性係數與靜彈性係數－。林產工業，19:1，9-22。
相子元、楊清瓏、蔡慶彬（民87）。棒球棒之生物力學特性。國立體育學院論叢，9（1），79-94。
陳載永、鐘建有（民84）。應力波非破壞測定法－檢測六種實木之靜曲彈性係數。林產工業，14:3，363-372。
曾國基（民94）。模擬情境發球機訓練成效之探討。臺北市立體育學院運動科學研究所碩士學位論文。台北市。
楊賢銘（民85）。棒球。國立體育學院教練研究所技術報告書。台灣省桃園縣。
葉志仙、李明憲、朱峯亮（民92）。棒球聖經－棒球技術圖解剖析。台北市：商周出版。
劉強、龔榮堂、相子元（民92）。不同材料棒球棒生物力學特性之比較。運動生物力學研究彙刊，90-91。
龔榮堂（民92）。不同重量球棒之揮棒速度研究。大專體育學刊，5（2），27-34。

英文部分
Adair, R. K.（2002） The Physics of Baseball. (3rd edition). New York: Harper Collins.
ASTM F 1881. (2005). Standard Test Method for Measuring Baseball Bat Performance Factor.
ASTM F 1887. (2002). Standard Test Method for Measuring the Coefficient of Restitution（COR）of Baseballs and Softballs.
ASTM F 1888. (2002). Test Method for Compression-Displacement of Baseball and Softball.
ASTM F 2219. (2005). Standard Test Method for Measuring High Speed Baseball Bat Performance Factor.
Bahill, A.T. & Freitas, M. M. (1995). Two methods for recommending bat weight. Annals of Biomedical Engineering, 23, 436-444.
Brody, H. (1986).The sweet spot of a baseball bat. American Association of Physics Teachers, 54,640-643.
Brody, H. (1990). Models of baseball bats. American Association of Physics Teachers,58,756-758.
Cross, R. (1998).The sweet spot of a baseball bat. American Association of Physics Teachers,66(9),772-779.
Fleisig, G. S., Zheng. N., Stodden, D. F.,& Andrews J. R.(2002) Relationship between bat mass properties and bat velocity. Sports Engineering 5, 1-8.
Hendee, S.P., Greenwald, R.M., & Crisco, J.J. (1998). Static and dynamic properties of various baseballs. Journal of Applied Biomechanics 14(4), 390-400.
Liu, T. H., Su, C. K. & Shiang, T, Y. (2005). The characteristics of baseball bats manufactured by different materials. Proceedings of XXIII International Symposium on Biomechanics in Sports, 2, 766-769.
Nathan, A. M. (2002). How does a baseball bat work? Sporting Goods Manufacturers Association Meeting, Chicago USA.
Nathan, A. M. (2003). Characterizing the performance of baseball bats. American Association of Physics Teachers, 71, 134-142.
National Collegiate Athletic Association BASEBALL rules. (2005). National Collegiate Athletic Association.
National Collegiate Athletic Association Provisional Standard for Testing Baseball Bat Performance（1999）. NCAA news release. http://www.ncaa.org/releases/miscellaneous/1999/1999092901ms.htm
Nicholls, R.L., Elliott, B. C., Miller, K., & Koh, M. (2003).Bat Kinematics in Baseball: Implications for Ball Exit Velocity and Player Safety. Journal of Applied Biomechanics, 19, 283-294.
Peter, J. (2002). How to buy a baseball bat? Retrieved May, 24, 2006, from Dick’s Sports Goods wed site:
http://www.dickssportinggoods.com/info/index.jsp?categoryId=222833&backTo=711608&infoType=infosport.
Ross, R. J. & Pellerin, R. F. (1994). Nondestructive Testing for Assessing Wood Member in Structures: a review, Gen. Tech. Rep.FPL-GTR-70 (Rev.). Madison, WI: U.S. Department of Agriculture, Forest Service, Forest Products Laboratory. 40 p.
Smith, L.V. (2001). Evaluating baseball bat performance. Sports Engineering, 4, 205-214.
U.S. Forest Products laboratory General Technical Report FPL-GTR-113 (1999) . Wood Handbook. United States Department of Agriculture.
U.S. Forest Products laboratory General Technical Report FPL-GTR-83 Alden, H.A.(1995). Hardwoods of North America. United States Department of Agriculture.
Vedula, G.(2004). Experimental and Finite Element Study of The Design Parameters of an Aluminum Baseball Bat. The master thesis of University of Massachusetts Lowell.
Walter, B(2002). The baseball handbook. Human Kinetics.