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Registros recuperados: 20
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3方向応力測定器によるタイヤラグ面接地応力の測定 OAK
全, 亨奎; 谷口, 哲司; 岸本, 正; 吉田, 慎; 玉利, 達人; JUN, Hyung-gyu; TANIGUCHI, Tetsuji; KISHIMOTO, Tadashi; YOSHIDA, Makoto; TAMARI, Tatsuto.
タイヤの接地面に作用する応力を測定するために, タイヤラグフェースの一点における法線方向応力, 接線方向応力及び横方向応力を同時に測定できる測定器を開発した。本測定器を1本のタイヤラグの3ヶ所すなわちタイヤ踏面中心部, 同側端部ならびにこれらの中間部の3ヶ所に埋め込んで各応力を測定した。測定例としてすべり率20%時の応力分布状態を示し, 最大接地応力値及び発生位置を検討した。 A three-dimensional stress transducer was developed to measure normal,tangential and lateral stresses on the lug face between a tire-lug and soil. Three transducers were mounted on the part of lug - end which is almost the same place of the tire tread center,on the outer edge of lug and a intermediate place of above two places. The stress distributions of three transducers were presented and the relationships between peak stresses and their rotational angles at 20% slippage were discussed.
Palavras-chave: 接地応力; 法線方向応力; 接線方向応力; 横方向応力; 農用タイヤ; ラジアルタイヤ; Contact stress; Normal stress; Tangential stress; Lateral stress; Agricultural tractor tire; Radial tire.
Ano: 1997 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/2951
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A study on soil deformation measurement : A measurement of soil deformation using bead grids placed in a cylinder OAK
大友, 功一; 谷口, 哲司; 呼格吉勒図.
Palavras-chave: 土壌変形; シリンダ; ビーズグリッド; Soil deformation; Cylinder; Bead grids.
Ano: 1999 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/1280
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Development of devices for measuring external forces acting on agricultural lugged wheels (part 1) : Characteristics of transducers of orthogonally holed cantilever type OAK
岸本, 正; 坂井, 純; 谷口, 哲司; 石本, 和重; Kishimoto, Tadashi; Sakai, Jun; Taniguchi, Tetsuji; Ishimoto, Kazushige.
Palavras-chave: トランスデューサ; 駆動車輪; 自由転動車輪; 車輪工学; 農用車輪.
Ano: 1991 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/1681
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Development of devices for measuring external forces acting on agricultural lugged wheels (part 2) : Characteristics of small-sized transducers of three-surfaced lug type OAK
岸本, 正; 谷口, 哲司; 坂井, 純; 石本, 和重; 大友, 功一; Kishimoto, Tadashi; Taniguchi, Tetsuji; Sakai, Jun; Ishimoto, Kazushige; Ohtomo, Koh-ichi.
Palavras-chave: トランスデューサ; ラグ; 農用車輪; 車輪工学.
Ano: 1991 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/1682
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Investigating the effects in performance and fuel economy as a result of using exhaust turbocharged engine tractors OAK
Makanga, James; Taniguchi, Tetsuji; Ohtomo, Kohichi; マカンガ, ジャームス; 谷口, 哲司; 大友, 功一.
Ano: 1985 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/1470
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Power requirement of the tractor on constructing plastic mole drain OAK
大友, 功一; 小野, 哲也; 谷口, 哲司; 奥村, 隆雄.
Ano: 1973 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/1146
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トラクタのウェイトトランスファ制御装置についての研究 : Ⅰ.静定実験 OAK
大友, 功一; 小野, 哲也; 谷口, 哲司; Ohtomo, Koh'ichi; Ono, Tetsuya; Taniguchi, Tetsuji.
Ano: 1972 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/1315
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トラクタタイヤ接地面積の3次元計測に関する研究 OAK
全, 亨奎; 谷口, 哲司; 大友, 功一; 岸本, 正; 大山, 毅; JUN, Hyung-gyu; TANIGUCHI, Tetsuji; OHTOMO, Ko-ichi; KISHIMOTO, Tadashi; OHYAMA, Tsuyoshi.
タイヤ性能を改善し土壌踏圧を解明するための基礎研究として, タイヤ変形を考慮しての接地面積計測方法を確立した。走行時のタイヤ断面形状を楕円で近似し, タイヤのラジアル方向および横方向変形量, 沈下量, 踏面長さ等の測定値から, タイヤ走行時の3次元接地面積を求めた。また, レーザセンサ距離計により土壌面上部定位置から踏圧面までの距離をメッシュ状に測定できる土壌変形計測装置を開発し, タイヤ静荷重時の3次元接地面積を求めた。これより, 静荷重時接地面積は走行時の約1.3倍となった。さらに, 同装置により静荷重時の土壌深さの違いによる土壌変形量を測定した。その結果, 変形前の土壌の10cmより浅い土壌層にラグによる土壌変形がみられた。 Methods for the determination of 3-D contact area between a tire and soil were presented to improve tire performance and to clarify soil compaction. The contact area during tire operation on the soil was calculated with radial,lateral and longitudinal deflections of the tire and the sinkage. The device with a laser sensor was developed to measure the distances from a fixed position to soil surface for the calculation of contact area under...
Palavras-chave: タイヤ変形; 土壌踏圧; 接地面積; 土壌変形; 空気圧; トラクタタイヤ; ラジアルタイヤ; Tire deformation; Soil compaction; Contact area; Soil deformation; Inflation pressure; Agricultural tractor.
Ano: 1997 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/2952
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トラクタ装着プラウの耕深制御 OAK
谷口, 哲司.
Ano: 1976 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/3311
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マイコン制御コーンペネトロメータ貫入装置の研究 OAK
大友, 功一; 岸本, 正; 谷口, 哲司; マカンガ, ジェーコブ T.; 阿部, 順一; OHTOMO, Koh-ichi; KISHIMOTO, Tadashi; TANIGUCHI, Tetsuji; MAKANGA, Jacob Tsuma; ABE, Jun-ichi.
http://www.obihiro.ac.jp/~library/kenkyu.html
Palavras-chave: コーンペネトロメータ; 円すい貫入抵抗; 円すい指数; リニアパルスエンコーダ; マイクロコンピュータ制御.
Ano: 1993 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/3754
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三点リンクのヒッチマストが自由リンク系プラウ耕の性能におよぽす影響 OAK
Makanga, Jacob Tsuma; Taniguchi, Tetsuji; Kishimoto, Tadashi; マカンガ, ジェイコブ T.; 谷口, 哲司; 岸本, 正.
Palavras-chave: Hitch mast; Draft; Virtual hitch point; Free link; Moldboard plow.
Ano: 1990 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/1574
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土壌塑性変形に関する研究 : シリンダ内土壌の糸による垂直変形計測 OAK
大友, 功一; 谷口, 哲司; 岸本, 正; OHTOMO, Koh-ichi; TANIGUCHI, Tetsuji; KISHIMOTO, Tadashi.
Palavras-chave: 土壌変形; 塑性変形; 糸グリット.
Ano: 1999 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/1278
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地中探査レーダによる農用地盤情報収集に関する研究 OAK
大友, 功一; 谷口, 哲司; 松田, 豊; 土谷, 富士夫; 辻, 修; 高畑, 英彦; 干場, 秀雄; 佐藤, 禎稔; Ohtomo, Koh-ichi; Taniguchi, Tetsuji; Matsuda, Yutaka; Tsuchiya, Fujio; Tsuji, Osamu; Takahata, Hidehiko; Hoshiba, Hideo; Satow, Tadatoshi.
Ano: 1988 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/1542
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地中探査レーダによる農用地盤情報収集に関する研究 : ハードパンの観測 OAK
大友, 功一; 岸本, 正; 谷口, 哲司; 阿部, 順一; OHTOMO, Koh-ichi; KISHIMOTO, Tadashi; TANIGUCHI, Tetsuji; ABE, Jun-ichi.
http://www.obihiro.ac.jp/~library/kenkyu.html
Palavras-chave: 地中レーダ; レーダ画像; 農用地盤情報.
Ano: 1993 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/3770
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排気ターボ過給機つきトラクタの性能 OAK
谷口, 哲司; 小野, 哲也; 大友, 功一; 安田, 裕隆; Taniguchi, Tetsuji; Ono, Tetsuya; Ohtomo, Kohichi; Yasuda, Hirotaka.
Ano: 1983 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/1430
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搾乳機用パルセータ真空圧記録計の研究 OAK
小野, 哲也; 谷口, 哲司; 大友, 功一; ONO, Tetsuya; TANIGUCHI, Tetsuji; OHTOMO, Koh'ichi.
Ano: 1970 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/1136
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耕うん作業の仕事効率に関する研究 OAK
谷口, 哲司.
Ano: 1982 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/3494
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自律走行トラクタに関する研究 : 電子コンパスによる方位の計測 OAK
大友, 功一; 谷口, 哲司; 岸本, 正; 大山, 毅; OHTOMO, Koh-ichi; TANIGUCHI, Tetsuji; KISHIMOTO, Tadashi; OHYAMA, Tsuyoshi.
Palavras-chave: 電子コンパス; シーケンサ; 傾斜計; 傾斜; Electronic compass; Inclinometer; Tilt.
Ano: 1999 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/1279
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車輪踏庄による土壌の垂直方向塑性変形について OAK
大友, 功一; 高川, 清美; 谷口, 哲司; 岸本, 正; Ohtomo, Kohichi; Takagawa, Kiyomi; Taniguchi, Tetsuji; Kishimoto, Tadashi.
Ano: 1985 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/1461
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農用タイヤ下の6方向応力の測定と解析に関する研究 OAK
全, 亨奎; 谷口, 哲司; 大友, 功一; 岸本, 正; 玉利, 達人; JUN, Hyung-gyu; TANIGUCHI, Tetsuji; OHTOMO, Ko-ichi; KISHIMOTO, Tadashi; TAMARI, Tatsuto.
6個の圧力センサを利用して耕盤での土中応力状態を測定可能な土中応力測定器 (以下測定器) を開発した。測定器をタイヤ進行方向のタイヤ中心部およびタイヤ側端のラグ直下ならびにタイヤ側端のアンダートレッド直下の3ヶ所に土壌表面から深さ25cmの耕盤上に埋設し, タイヤを走行させて土中応力を測定した。得られたデータから応力状態を算出し, 主応力を求めた。次に, 測定器の埋設位置の違いによる最大主応力を検討した。その結果, タイヤ中心部ラグ直下における最大主応力が, タイヤ側端部でのそれの2倍以上になっていることが分かった。 A transducer was developed to determine the stress state in the soil on a hard pan. Principal stresses, octahedral normal and shearing stresses can be calculated from the data measured with six pressure cells on the transducer in the six predetermined directions. The transducer was buried in three locations in the soil at 25cm depth : under the lug at the centerline and the edge of the tire and under the undertread at the edge of the tire. The effect of changes in the locations of buried transducer...
Palavras-chave: 土壌踏圧; 動荷重; 空気圧; 土中応力; 応力テンソル; 農用タイヤ; ラジアルタイヤ; Soil compaction; Dynamic load; Inflation pressure; Soil stress; Stress tensor; Agricultural tractor tire; Radial tire.
Ano: 1997 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/2950
Registros recuperados: 20
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