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博士論文
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DOI[10.20569/00006027]のデータに遷移します
鉱山操業における生産性と安全性向上のための坑内掘鉱山内モニタリングシステムに関する研究
- 国立国会図書館永続的識別子
- info:ndljp/pid/12303947
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- As modern society becomes more sophisticated, the consumption of metal resources has become essential. There is a worldwide need for technologies to s...
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デジタル
- 資料種別
- 博士論文
- 著者・編者
- 池田, 啓
- 著者標目
- 出版事項
- 出版年月日等
- 2022-03-22
- 出版年(W3CDTF)
- 2022-03-22
- 授与機関名
- 秋田大学
- 授与年月日
- 2022-03-22
- 授与年月日(W3CDTF)
- 2022-03-22
- 報告番号
- 甲第1411号
- 学位
- 博士(工学)
- 博論授与番号
- 甲第1411号
- 本文の言語コード
- jpn
- 対象利用者
- 一般
- 一般注記
- As modern society becomes more sophisticated, the consumption of metal resources has become essential. There is a worldwide need for technologies to safely and efficiently mine metal resources. In addition, as the deposits to be mined are becoming deeper and lower grade year by year, there is an urgent need to increase minable reserves through technological innovation. Mining science is a discipline and technological system that integrates geology, rock mechanics, civil engineering, disaster prevention engineering, and mechanical engineering, which has developed in its own unique way. On the other hand, ICT (artificial intelligence, big data, data mining, etc.), has shown remarkable development. In the future, smart mining through ICT applications in mining science is expected to lead resource development.Underground mines are generally located deep underground, mining companies operate under hazards such as poor lighting, confined spaces, rockfall, poor ventilation, wetness, limited communication, and structural complexity. In this context, safety and productivity in underground operations are of primary concern to companies. To solve these problems, various monitoring methods have been proposed to understand the underground environment. By installing a number of sensors in underground mines and acquiring measurement factors such as temperature, humidity, and gas concentration, it is possible to monitor the underground environment.For this reason, this study develops an underground mine monitoring system to improve productivity and safety in mining operations. The underground mine monitoring system proposed in this study is divided into two parts: the sensing part, which is a differential measurement of in-situ stress and strain, and the data transmission part, which uses ad hoc communication. Multiple sensor units are installed in the mine, and the accumulated data is collected by ad hoc communication when a miner’s smartphone approaches communication area. Next, the data transfer range is pseudo-expanded by passing data through the movements of the miners. Finally, data is transmitted to an office with a communication infrastructure by either miner or going above ground. The data sent to the office on the ground can be checked and edited anywhere in the world via the cloud. In the sensing part, the developed sensor unit is buried in a blank hole after stress release to determine the difference in stress applied from the bedrock from the strain gauge values. In this case, it is necessary to detect the orientation of the sensor unit in order to estimate how much stress is applied and from which direction.In the communication part, among WSNs (Wireless Sensor Networks), which are scalable and suitable for underground mines, pseudo communication range expansion by miner’s movement, Wi-Fi Ad Hoc communication (Wi-Fi Ad Hoc and Wi-Fi Direct) and communication obstacles can be avoided. Focusing on power line communications, we implemented and verified an ad hoc wireless communication system by testing communications from a data logger to a smartphone held by a miner. Based on the results obtained from each research item, the combination of sensor units and ad hoc communication is expected to make it possible to identify signs of rock deformation at a lower cost than previously thought possible, and to dramatically improve safety in the mine.
- DOI
- 10.20569/00006027
- 国立国会図書館永続的識別子
- info:ndljp/pid/12303947
- コレクション(共通)
- コレクション(障害者向け資料:レベル1)
- コレクション(個別)
- 国立国会図書館デジタルコレクション > デジタル化資料 > 博士論文
- 収集根拠
- 博士論文(自動収集)
- 受理日(W3CDTF)
- 2022-07-05T02:30:21+09:00
- 作成日(W3CDTF)
- 2022-06-16
- 記録形式(IMT)
- PDF
- オンライン閲覧公開範囲
- 国立国会図書館内限定公開
- デジタル化資料送信
- 図書館・個人送信対象外
- 遠隔複写可否(NDL)
- 可
- 連携機関・データベース
- 国立国会図書館 : 国立国会図書館デジタルコレクション