著者

新保 達也 東野 翼 大薮 多可志 木村 春彦 南戸 秀仁

出版者

The Institute of Electrical Engineers of Japan

雑誌

電気学会論文誌. E, センサ・マイクロマシン準部門誌 = The transactions of the Institute of Electrical Engineers of Japan. A publication of Sensors and Micromachines Society (ISSN:13418939)

巻号頁・発行日

vol.126, no.7, pp.370-375, 2006-07-01

被引用文献数

5 2 1

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Plant can recognize the environmental factors, for example temperature, humidity, atmospheric pressure and light intensity. Humans can identify the capabilities by measuring the plant bioelectrical potential. It can also recognize the breezing wind. Plants can be regarded as an environmental sensor by using the potential. In this study, the bioelectrical potential characteristic to the wind grade was examined. As for the results, the correlation between the characteristic and the grade was derived. The correlation coefficient was very high. The integrated value for the potential was adopted to derive the relation. Plant can identify the wind intensity by adopting the value. It became obvious that plant has higher capabilities to sense the environmental factors not only temperature, humidity and light intensity but also wind intensity. The application field of plant will spread by using these results.

著者

新保 達也 大薮 多可志 広林 茂樹 竹中 幸三郎

出版者

The Institute of Electrical Engineers of Japan

雑誌

電気学会論文誌. E, センサ・マイクロマシン準部門誌 = The transactions of the Institute of Electrical Engineers of Japan. A publication of Sensors and Micromachines Society (ISSN:13418939)

巻号頁・発行日

vol.124, no.12, pp.470-475, 2004-12-01

被引用文献数

5 11 2

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The bioelectric potential of a foliage plant changes according to an occupant's behavior, for example entering the room in which the plant is installed, as well as watering and touching the plant. The potential shows the impulse responses due to the behaviors. In this study, the integrated values of the bioelectric potential were adopted to identify those behaviors. There are two types of values. Those were derived by integrating the bioelectric potential characteristics for a minute (<i>v</i>_<i>m1</i>) and for an hour (<i>v</i>_<i>h1</i>) respectively. The histogram of the values <i>v</i>_<i>m1</i> for the steady state perfectly took a normal distribution. The frequencies of <i>v</i>_<i>m1</i> for the behaviors were different compared with the steady state distribution. The system can identify the behaviors by examining the frequency table of <i>v</i>_<i>m1</i>. Conversely, it is thought the plant gives us some suggestions using bioelectric potential characteristics. A clue for communication between humans and plants was also obtained. The <i>v</i>_<i>h1</i> becomes higher as the average room temperature (<i>t</i>_<i>r</i>) becomes lower. There was a negative correlation between <i>v</i>_<i>m1</i> and <i>t</i>_<i>r</i>. There were two groups in the scatter diagram of the variables <i>v</i>_<i>m1</i> and <i>t</i>_<i>r</i>.

著者

新保 達也 橋本 直己 高橋 裕樹 中嶋 正之

出版者

一般社団法人映像情報メディア学会

雑誌

映像情報メディア学会技術報告 (ISSN:13426893)

巻号頁・発行日

vol.25, no.85, pp.13-18, 2001-12-14

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3次元物体の衝突検出アルゴリズムとして, 衝突する可能性を持つ面を絞り, 最後に面ペアの衝突検出をする方法がこれまでに提案されている.この衝突検出アルゴリズムでは, 最後の面ペアの衝突検出処理が全体の大半を占めている.そこで本研究は, 分散メモリ型PCクラスタを用いて, 面の衝突検出を並列化する実験をおこなった.その際, マスタノードから各クライアントノードに面ペアを送り, 並列処理を行う手法を用いた.8台のクライアントを用いて, 実験を行った結果, 逐次処理を行う場合の16%の実行時間で衝突検出を行うことができた.