Hirai Yasumaru

ヒライヤスマル | Hirai Yasumaru

Affiliation and department：
Job title： Associate Professor
Research theme for competitive and other funds (41)：

2023 - 2026 子実コーンの安全高能率収穫を実現する国産汎用コンバインの作業条件と設計指針の提示
2022 - 2025 Proposal of energy-saving design guideline for the threshing room of a Japanese head feeding-type combine based the prediction of threshing performance
2018 - 2021 Development of the measurement method for percentage of ripened grains using bulk density of rough rice piled in the combine grain tank
2016 - 2020 Development of agricultural work optimization system corresponding to various conditions such as growth condition for dispersed fields
2018 - 2020 コンバインの穀粒タンクに堆積する籾のかさ密度によるコメの登熟歩合計測法の開発

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Papers (135)：

Phon, S., Inoue, E. Mitsuoka, Okayasu, T., Hirai, Y. Investigation of Vibration Characteristics of Hand Tractor Based on Frequency-domain and Vibration Intensity. Journal of the Japanese Society of Agricultural Machinery and Food Engineering. 2021. 83. 5. 369-375
Ko, K. M. M, Hirai, Y., Yamakawa, T., Inoue, E., Okayasu, T., et al. Nitrogen Mineralization from Flowering- and Maturity-stage Green Manures under Flooded Conditions after Different Upland Periods. Japan Agricultural Research Quarterly (JARQ). 2021. 55. 3. 233-244
Ko, K. M. M, Hirai, Y., Yamakawa, T., Mori, Y., Inoue, E., et al. Investigation of the feasibility of applying maturity-stage green manure (crimson clover) for rice production through a pot experiment. Journal of Japanese Society of Agricultural Technology Management. 2021. 27. 3. 85-98
Hirai, Y., Furukawa, D., Inoue, E., Okayasu, T., Mitsuoka, M. An Evaluation Method for Threshing Operations Using a Rod-shaped Threshing Tooth Acting on a Single Rice. Journal of Faculty of Agriculture, Kyushu University. 2021. 66. 1. 57-60
Inoue, S., Hirai, Y., Inagaki S., Inoue, E., Okayasu, T., Mitsuoka, et al. Volume Measurement of Particle Layers in a Container by Using Helmholtz Resonance. Journal of Faculty of Agriculture, Kyushu University. 2021. 66. 1. 91-95

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MISC (31)：

平井康丸, 山川武夫, 井上英二, 岡安崇史, 光岡宗司. P7-1-19 コメ生産システム診断プログラムの開発(ポスター,7-1 肥料および施肥法,2015年度京都大会). 日本土壌肥料学会講演要旨集. 2015. 61. 145-145
岩坂宗一郎, 平井康丸, 山川武夫, 井上英二, 岡安崇史, 光岡宗司. P6-1-13 水田土壌の窒素無機化パラメータ推定の省力化法の検討(ポスター,6-1 水田土壌肥沃度,2015年度京都大会). 日本土壌肥料学会講演要旨集. 2015. 61. 110-110
TAKAJO Daichi, SARUTA Keisuke, HIRAI Yasumaru, INOUE Eiji, OKAYASU Takashi, MITSUOKA Muneshi. Prediction Models of Patterns for Rice Yield and Protein Content Using Support Vector Machine. 2012. 81. 110-111
YAMAUCHI Yusaku, HIRAI Yasumaru, YAMAKAWA Takeo, INOUE Eiji, OKAYASU Takashi, MITSUOKA Muneshi. Multiple Linear Regression Model for the Prediction of Panicle Number in Rice. 2012. 81. 56-57
TANAKA Kodai, HIRAI Yasumaru, SARUTA Keisuke, INOUE Eiji, OKAYASU Takashi, MITSUOKA Muneshi. Determinant Analysis of Rice Yield and Protein Content Using Regression Tree. 2012. 81. 86-87

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Lectures and oral presentations (118)：

強制変位を受ける稲の動的挙動のシミュレーション
(第74回九州農業食料工学会例会 2020)
ヘルムホルツ共鳴による容器内に堆積した粒子層の体積推定
(第74回九州農業食料工学会例会 2020)
2つのロードセル荷重を用いた場合のコンバイングレンタンク内の籾質量検量式の精度評価
(第73回農業食料工学会九州支部例会 2019)
弾性梁と質点の連結モデルによるこぎ歯作用時の穂の挙動解析
(第73回農業食料工学会九州支部例会 2019)
Nitrogen use efficiency of rice shoot cultivated with maturity-stage green manure (crimson clover)
(第73回農業食料工学会九州支部例会 2019)

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Committee career (21)：

2021/06 - 2023/06 農業食料工学会幹事
2019/04 - 2021/03 農業食料工学会九州支部幹事
2019/04 - 九州大学電子ジャーナル等検討専門委員会
2017/10 - 九州大学社会連携推進室
2017/10 - 九州大学社会連携委員会

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Awards (3)：

2012/05 - システム農学会システム農学会論文賞
2009/08 - 農業農村工学学会優秀論文賞
2003/09 - 農業機械学会九州支部第58回農業機械学会九州支部学会ポスター賞

Association Membership(s) (3)：

Japanese of Japanese Society of Agricultural Technology Management , Agricultural Systems Society , The Japanese Society of Agricultural Machinery and Food Engineering

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