書誌事項
- タイトル別名
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- A-25 Prediction and Estimation of Shock Vibrations of Handled Racket ITF for ITF Performance Test
- 国際テニス連盟性能試験用ラケットITFの打球感に関連する性能予測と評価
- コクサイ テニス レンメイ セイノウ シケンヨウ ラケット ITF ノ ダキュウカン ニ カンレン スル セイノウ ヨソク ト ヒョウカ
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抄録
Several former top players sent a letter to the ITF (International Tennis federation) that tennis has become unbalanced and one-dimensional, because rackets today allow players to launch the ball at previously unthinkable speeds. Modern racket technology has developed powerful, light, wide-bodied rackets. There's even a racket with a chip built into the handle that allows the racket to stiffen upon impact with the ball. All of this technology has led to major changes in how the game is played at the top level. ITF seems to have started the test to examine the performance of tennis racket against the above claims. Since the sport should be learned from the experience, it is the subjective thing. Accordingly, it is quite difficult to see how the physical property of equipment has an effect on the performance of a player. The terms used in describing the performance of a tennis racket are still based on the feel of an experienced tester or a player even today. This paper investigated the physical properties of the racket that was manufactured by ITF for performance test, predicting its performance in terms of the impact shock vibrations of player's wrist joint, which might be related to the feel. It is based on the experimental identification of the racket-arm dynamics and the simple nonlinear impact analysis. The result showed that the magnitude of shock vibration at the handle and the wrist joint with the racket ITF is remarkably small due to the stiffer handle compared to the recent representative racket. Prediction and estimation of power will be reported in a separate paper.
収録刊行物
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- ジョイント・シンポジウム講演論文集:スポーツ工学シンポジウム:シンポジウム:ヒューマン・ダイナミックス
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ジョイント・シンポジウム講演論文集:スポーツ工学シンポジウム:シンポジウム:ヒューマン・ダイナミックス 2009 (0), 130-135, 2009
一般社団法人 日本機械学会
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詳細情報 詳細情報について
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- CRID
- 1390282681045358976
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- NII論文ID
- 110008010652
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- NII書誌ID
- AA11902376
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- ISSN
- 24331309
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- NDL書誌ID
- 10768574
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
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