Hirai Yasumaru

2021

Nitrogen Mineralization from Flowering- and Maturitystage Green Manures under Flooded Conditions after Different Upland Periods

ko, K. M. M., Hirai, Y., Yamakawa, T., Inoue, E., Okayasu, T. & Mitsuoka, M., 2021, In: Japan Agricultural Research Quarterly. 55, 3, p. 233-244 12 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

低コストIoTデバイスを用いた植物フェノタイピングロボットの開発とその性能評価

伊藤次郎, 岡安崇史, 野村浩一, 安武大輔, 岩尾忠重, 尾崎行生, 井上英二, 平井康丸 & 光岡宗司, 2021, In: 農業情報研究. 30, 2, p. 13-23 11 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

2020

Design and Performance Analysis of a Seed Metering Device for a Buckwheat Seeder Adopting Discrete Element Analysis

Li, M., Mitsuoka, M., Inoue, E., Ye, J., Liu, J., Yang, S., Zeng, B., Song, X., Okayasu, T. & Hirai, Y., 2020, In: Journal of the Faculty of Agriculture, Kyushu University. 65, 1, p. 123-129 7 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

5 被引用数 (Scopus)

Design and Test of a Flow Valve Orifice in a Crane Hoisting System

Li, M., Mitsuoka, M., Inoue, E., Okayasu, T., Hirai, Y. & Song, X., 2020, In: Journal of the Faculty of Agriculture, Kyushu University. 65, 1, p. 131-138 8 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

Prediction of Tractor Behavior Based on Reconstructed Terrain Profiles by Stereo-vision Camera: Influence of Stereo-vision Camera Arrangement on Reconstructed Terrain Profiles Accuracy

Shin, S., 光岡宗司, 井上英二, 岡安崇史, 平井康丸 & Choe, J., 5月 2020, In: 農業食料工学会誌 = Journal of the Japanese Society of Agricultural Machinery and Food Engineers. 82, 3, p. 277-283 7 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Prediction of Tractor Behavior Based on Reconstructed Terrain Profiles Using Stereo-vision Camera: Investigation of Tractor Behavior Simulation on Reconstructed Ground and Actual Ground

Shin, S., 光岡宗司, 井上英二, 岡安崇史, 平井康丸, 松井正実 & Choe, J., 9月 2020, In: 農業食料工学会誌 = Journal of the Japanese Society of Agricultural Machinery and Food Engineers. 82, 5, p. 480-488 9 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

グレンタンクに種々の形状で堆積した籾層の重量検量式

平井康丸, 樫野雅和, 上加郁朗, 光岡宗司, 井上英二 & 岡安崇史, 7月 2020, In: 農業食料工学会誌 = Journal of the Japanese Society of Agricultural Machinery and Food Engineers. 82, 4, p. 362-369 8 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

事故詳細データを用いた農業機械の転倒・転落事故の要因分析

池留紗希, 井上英二, 光岡宗司, 岡安崇史 & 平井康丸, 2020, In: 九州農業食料工学会誌 = Journal of Kyushu Society of Agricultural Machinery and Food Engineers. 69, p. 1-6 6 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

2019

Behavior Simulation of Tractor Driven on Slopes and Undulating Roads

Choe, J. S., Akimune, H., Shin, S., Inoue, E., Mitusoka, M., Okayasu, T. & Hirai, Y., 2019, In: Journal of the Faculty of Agriculture, Kyushu University. 64, 1, p. 157-162 6 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

1 被引用数 (Scopus)

Design and Experiment of a Semiphysical Simulation Platform of the Lifting System of a Tractor with an Adaptive Function

Li, M., Mitsuoka, M., Inoue, E., Okayasu, T., Hirai, Y. S. & Liu, J., 2019, In: Journal of the Faculty of Agriculture, Kyushu University. 64, 2, p. 319-325 7 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

DSPACE based Hardware in the loop Testing Platform for Powertrain Management Unit of Electric Tractor

Wu, Z., Xie, B., Li, Z., Mitsuoka, M., Inoue, E., Okayasu, T. & Hirai, Y., 2019, In: Journal of the Faculty of Agriculture, Kyushu University. 64, 2, p. 309-317 9 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

Modelling and verification of driving torque management for electric tractor: Dual-mode driving intention interpretation with torque demand restriction

Wu, Z., Xie, B., Li, Z., Chi, R., Ren, Z., Du, Y., Inoue, E., Mitsuoka, M., Okayasu, T. & Hirai, Y., 6月 2019, In: Biosystems Engineering. 182, p. 65-83 19 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

26 被引用数 (Scopus)

Testing the Tractor Behavior Simulation with Experimental Driving of a Model Tractor

Choe, J. S., Akimune, H., Shin, S., Inoue, E., Mitusoka, M., Okayasu, T. & Hirai, Y., 2019, In: Journal of the Faculty of Agriculture, Kyushu University. 64, 1, p. 163-168 6 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

四角柱容器に堆積した籾層の底面圧力と空隙率

吉嵜隆一, 平井康丸, 井上真大朗, 稲垣紫緒, 井上英二, 岡安崇史 & 光岡宗司, 2019, In: 農業食料工学会誌 = Journal of the Japanese Society of Agricultural Machinery and Food Engineers. 81, 6, p. 383-391 9 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

2018

Coupled Effect of Slope Angle and Terrain Roughness on Tractor Stability

Qin, J., Zhu, Z., Mitsuoka, M., Inoue, E., Okayasu, T., Hirai, Y., Li, Z. & Song, Z., 2018, In: Journal of the Faculty of Agriculture, Kyushu University. 63, 2, p. 355-360 6 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

2 被引用数 (Scopus)

Effects of different application methods of fertilizer and manure on soil chemical properties and yield in whole crop rice cultivation

Khem, B., Hirai, Y., Yamakawa, T., Mori, Y., Inoue, E., Okayasu, T. & Mitsuoka, M., 5月 4 2018, In: Soil Science and Plant Nutrition. 64, 3, p. 406-414 9 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

11 被引用数 (Scopus)

Identification of configurational effectiveness on improvement of tractor stability on uneven roads

Li, Z., Mitsuoka, M., Inoue, E., Okayasu, T., Hirai, Y., Zhu, Z., Song, Z. & Mao, E., 2月 2018, In: Journal of the Faculty of Agriculture, Kyushu University. 63, 1, p. 113-117 5 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

1 被引用数 (Scopus)

2017

Affordable field environmental monitoring and plant growth measurement system for smart agriculture

Okayasu, T., Nugroho, A. P., Sakai, A., Arita, D., Yoshinaga, T., Taniguchi, R. I., Horimoto, M., Inoue, E., Hirai, Y. & Mitsuoka, M., 7月 2 2017, 2017 11th International Conference on Sensing Technology, ICST 2017. IEEE Computer Society, p. 1-4 4 p. 8304486. (Proceedings of the International Conference on Sensing Technology, ICST; vol. 2017-December).

研究成果: 書籍/レポートタイプへの寄稿 › 会議への寄与

21 被引用数 (Scopus)

Judging the abnormalities of agricultural machinery by using Mahalanobis' distance

Choe, J. S., Takata, K., Inoue, E., Kim, T. W., Mitsuoka, M., Okayasu, T. & Hirai, Y., 9月 2017, In: Journal of the Faculty of Agriculture, Kyushu University. 62, 2, p. 469-476 8 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

2 被引用数 (Scopus)

Measurement accuracy of the area of combine-harvested field sections corresponding to a truckload of grain received at a grain elevator

Hirai, Y., Tanaka, K., Nakanishi, T., Shikanai, T., Inoue, E., Okayasu, T. & Mitsuoka, M., 10月 2017, In: Engineering in Agriculture, Environment and Food. 10, 4, p. 272-281 10 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

2016

Development of a remote environmental monitoring and control framework for tropical horticulture and verification of its validity under unstable network connection in rural area

Nugroho, A. P., Okayasu, T., Hoshi, T., Inoue, E., Hirai, Y., Mitsuoka, M. & Sutiarso, L., 6月 1 2016, In: Computers and Electronics in Agriculture. 124, p. 325-339 15 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

26 被引用数 (Scopus)

Effect of geometrie configuration on tractor stability characteristics

Li, Z., Mitsuoka, M., Inoue, E., Okayasu, T. & Hirai, Y., 2月 2016, In: Journal of the Faculty of Agriculture, Kyushu University. 61, 1, p. 153-156 4 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

Modeling agricultural tractor motion on sloping ground considering longitu-dinal and lateral gradients

Li, Z., Mitsuoka, M., Inoue, E., Okayasu, T. & Hirai, Y., 2月 2016, In: Journal of the Faculty of Agriculture, Kyushu University. 61, 1, p. 147-152 6 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

1 被引用数 (Scopus)

Parameter sensitivity for tractor lateral stability against Phase I overturn on random road surfaces

Li, Z., Mitsuoka, M., Inoue, E., Okayasu, T., Hirai, Y. & Zhu, Z., 10月 1 2016, In: Biosystems Engineering. 150, p. 10-23 14 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

37 被引用数 (Scopus)

2015

Development of stability indicators for dynamic Phase I overturn of conventional farm tractors with front axle pivot

Li, Z., Mitsuoka, M., Inoue, E., Okayasu, T. & Hirai, Y., 6月 1 2015, In: Biosystems Engineering. 134, p. 55-67 13 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

42 被引用数 (Scopus)

Modification of a tractor dynamic model considering the rotatable front end

Li, Z., Mitsuoka, M., Inoue, E., Okayasu, T., Hirai, Y. & Zhu, Z., 2月 1 2015, In: Journal of the Faculty of Agriculture, Kyushu University. 60, 1, p. 219-224 6 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

8 被引用数 (Scopus)

Prediction of tractor sideslipping behavior using a quasi-static model

Li, Z., Mitsuoka, M., Inoue, E., Okayasu, T., Hirai, Y. & Zhu, Z., 2月 1 2015, In: Journal of the Faculty of Agriculture, Kyushu University. 60, 1, p. 215-218 4 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

6 被引用数 (Scopus)

Production of rice for whole crop silage using manure in Itoshima Region, Fukuoka prefecture

Khem, B., Hirai, Y., Yamakawa, T., Mori, Y., Inoue, E., Okayasu, T. & Mitsuoka, M., 2月 1 2015, In: Journal of the Faculty of Agriculture, Kyushu University. 60, 1, p. 65-71 7 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

2014

7-1-6 パターン認識を用いた水稲の収量・タンパク質含有率予測モデル(7-1 肥料および施肥法,2014年度東京大会)

平井康丸, 山川武夫, 森裕樹, 南石晃明, 井上英二, 岡安崇史 & 光岡宗司, 2014, In: 日本土壌肥料学会講演要旨集. 60, 0, p. 117

研究成果: ジャーナルへの寄稿 › 学術誌

Application of a regression tree to analysis of rice yield and quality determinants

Tanaka, K., Hirai, Y., Saruta, K., Inoue, E., Okayasu, T. & Mitsuoka, M., 2014, In: Japanese Journal of Crop Science. 83, 2, p. 143-154 12 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

3 被引用数 (Scopus)

Dynamic analysis of agricultural wheel tractor driving on uneven surface under the influences of speed and slope angle

Li, Z., Mitsuoka, M., Inoue, E., Okayasu, T. & Hirai, Y., 8月 1 2014, In: Journal of the Faculty of Agriculture, Kyushu University. 59, 2, p. 339-343 5 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

14 被引用数 (Scopus)

Lateral slope effect on tipping behavior of a tractor encountering an obstacle (model development)

Li, Z., Mitsuoka, M., Inoue, E., Okayasu, T. & Hirai, Y., 8月 1 2014, In: Journal of the Faculty of Agriculture, Kyushu University. 59, 2, p. 345-349 5 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

9 被引用数 (Scopus)

Performance of measuring vibration of MEMS sensor

Choe, J. S., Inoue, E., Mitusoka, M., Okayasu, T. & Hirai, Y., 8月 1 2014, In: Journal of the Faculty of Agriculture, Kyushu University. 59, 2, p. 351-358 8 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

2013

Development of actuation framework for agricultural informatization supporting system

Nugroho, A. P., Okayasu, T., Inoue, E., Hirai, Y. & Mitsuoka, M., 2013, 2013 IFAC Bio-Robotics Conference, IFAC BioRobotics 2013 - Proceedings. PART 1 ed. IFAC Secretariat, (IFAC Proceedings Volumes (IFAC-PapersOnline); vol. 1, no. PART 1).

研究成果: 書籍/レポートタイプへの寄稿 › 会議への寄与

Open Access

9 被引用数 (Scopus)

Environmental change point analysis and its application to agriculture

Okayasu, T., Nugroho, A. P., Arita, D., Ozaki, A., Mitsuoka, M., Nanseki, T., Inoue, E. & Hirai, Y., 2013, p. 2425-2428. 4 p.

研究成果: 会議への寄与タイプ › 学会誌 › 査読

Measuring inclination angle of Semi-crawler tractors using MEMS sensor

Choe, J. S., Mitusoka, M., Inoue, E., Okayasu, T., Hirai, Y., Tae Wook, K. I. M., Kwon, S. G. & Park, J. M., 2月 2013, In: Journal of the Faculty of Agriculture, Kyushu University. 58, 1, p. 79-85 7 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

2 被引用数 (Scopus)

25 被引用数 (Scopus)

Statistical analysis of threshing characteristics of Impact-type rice plant threshing device

Choe, J. S., Inoue, E., Mitusoka, M., Okayasu, T. & Hirai, Y., 2月 2013, In: Journal of the Faculty of Agriculture, Kyushu University. 58, 1, p. 69-78 10 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

変化点分析法を用いた圃場環境情報の特徴量抽出とその妥当性の検証

岡安崇史, Andri, P. N., 尾崎彰則, 光岡宗司, 南石晃明, 井上英二 & 平井康丸, 2013, In: 農業情報研究. 22, 3, p. 174-182 9 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

2012

Evaluation of a multiple linear regression model for the prediction of panicle number in rice

Yamauchi, Y., Hirai, Y., Saruta, K., Yamakawa, T., Inoue, E., Okayasu, T. & Mitsuoka, M., 9月 2012, In: Journal of the Faculty of Agriculture, Kyushu University. 57, 2, p. 421-426 6 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

1 被引用数 (Scopus)

Evaluation of an analytical method to identify determinants of rice yield components and protein content

Hirai, Y., Keisuke, S. & Hamagami, K., 4月 2012, In: Computers and Electronics in Agriculture. 83, p. 77-84 8 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

14 被引用数 (Scopus)

2011

Response characteristics of internal wave to wind stress in a shallow closed water body

Hamagami, K., Mori, K., Iguchi, S. & Hirai, Y., 2月 2011, In: Journal of the Faculty of Agriculture, Kyushu University. 56, 1, p. 123-128 6 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

2010

Effect of horizontal convection on the natural cooling process at water surface in a closed water body

Hamagami, K., Mori, K. & Hirai, Y., 2月 2010, In: Journal of the Faculty of Agriculture, Kyushu University. 55, 1, p. 137-143 7 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

Thermal convection in a closed water body with compound cross section

Hamagami, K., Mori, K. & Hirai, Y., 2月 2010, In: Journal of the Faculty of Agriculture, Kyushu University. 55, 1, p. 145-151 7 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

2009

Effect of floating vegetation on wind flow and wave in closed water body

Ozaki, A., Mori, K., Hirat, Y. & Hamagami, K., 10月 2009, In: Journal of the Faculty of Agriculture, Kyushu University. 54, 2, p. 489-498 10 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

Effects of air temperature, nitrogen concentration in irrigation water, and cultivation practices on rice production in the rice terrace region

Hirai, Y. & Hamagami, K., 10月 2009, In: Journal of the Faculty of Agriculture, Kyushu University. 54, 2, p. 305-311 7 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

3 被引用数 (Scopus)

Formation and disappearance of thermal stratification in a small shallow lake

Lap, B. Q., Van Tuan, N., Hamagami, K., Iguchi, S., Mori, K. & Hirai, Y., 2月 2009, In: Journal of the Faculty of Agriculture, Kyushu University. 54, 1, p. 251-259 9 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

3 被引用数 (Scopus)

Impact of luxuriant aquatic plants on thermal convection in a closed water body

Hamagami, K., Lap, B. Q., Mori, K. & Hirai, Y., 8月 2009, In: Paddy and Water Environment. 7, 3, p. 187-195 9 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

平井 康丸

研究成果

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平井康丸