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題 名 | 養鱸池之自動化投餌監控系統研發=Development of Automatic Feeding and Monitoring System in Bass Pond |
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作 者 | 吳德輝; 陳俊明; 尤瓊琦; | 書刊名 | 嘉義技術學院學報 |
卷 期 | 58 1998.06[民87.06] |
頁 次 | 頁45-52 |
分類號 | 439.5 |
關鍵詞 | 鱸魚; 投餌; 模糊; Bass; Feeding; Fuzzy; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究主要目的在於建立一個養鱸池用之自動化投餌判定監控系統,實驗中主要 以澳洲銀鱸為研究對象,探討在室內循環水系統養殖池中餵食該魚群時,對在餵食前後所產 生之環境因子溶氧量的變化情形加以量測及分析。以藉此找出判定魚群索餌與否與較佳特徵 參數來建構此系統。 本文利用模糊理論,伴隨魚群索餌行為而生之溶氧因子於前80秒的變化率及四分鐘內出 現的最大變化量,以模糊集合來定義兩個特徵值參數與投餌判定之決策指標,再根據二十五 個推論規則推導這兩個特徵參數對索餌判定決策指數的影響程度,並且配合CCD攝影機同步 監視所得實際索餌行為的強弱現象而訂定的決策指數門檻,來判定魚群索餌與否。推論結果 與實際情形相當接近,顯示出模糊理論應用在養鱸池自動化投餌判定之監控系統時,對於獲 得正確決策的可行性。 |
英文摘要 | The main purpose of this research is to establish an automatic feeding decision and monitoring system for aquaculture. The Bidynanus bass is the major material fish of the experiment. The only one enviromental factor dissolved oxygen, in a water-reuse culture system located in the basement of a building, was measured and analyzed to define the characteristic parameters of the system during the feeding process. An alternative approach that determines the feeding decision index using fuzzy theory is suggested in this paper. The change rate of dissolved oxygen in 80 seconds, and the maximum change of dissolved oxygen in 4 minutes, two of the characteristic factors accompanied with the bass's searching behaviors, are modeled as fuzzy sets to account for their relative contributions. Twenty-five implications are used to infer the decision index by the Mamdeni's min.-min.-max. fuzzy reasoning method. The decision indices inferred by the fuzzy logic approach are helpful to get the correctly experimental results. This is accomplished by using the low threshold of the decision index depending on the appetite of the fish observed from a CCD camera synchronously. The feeding decision made by the fuzzy set approach is close to actual searching behaviors. |
本系統中英文摘要資訊取自各篇刊載內容。