Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/96621
標題: 音場材料最佳化之評估模式
Evaluation of sound field material optimization
作者: 陳甯翔
Ning-Shiang Chen
關鍵字: 餘響時間;NSGA II;多目標最佳化模式;Reverberation Time;NSGA II;multi-objective optimization model
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摘要: 
近年由於生活品質的提升而室內休閒以及文藝活動盛行,對於有關室內聲學的音場空間,如音樂廳、電影院、劇場或講堂等場域之興建數量多且加快,因而開始重視這些空間之音環境舒適度,但對於室內設計師而言這些音場所需的室內裝修材料大多以自身經驗作設計,而無有系統的規劃方法。有鑑於此,本研究特別以餘響時間(Reverberation Time, RT)進行探討,並利用非支配排序基因遺傳算法演算法(non-dominated sorting genetic algorithm II, NSGA II)結合餘響時間 Sabine 公式建立多目標最佳化模式,以期建構出符合餘響時間區間的狀況下總成本及總碳排放量的最小值,以節省室內音場裝修的價格成本與環境成本。本研究選擇興建中的講堂類型音場妙覺廳及華嚴殿為案例,可現場對案例建築實際測量同時也能得到裝修材料的資料。
結果顯示,該二講堂之原設計材料並不能符合餘響時間理想值,經本研究多目標最佳化模式計算後,總成本目標有達到降低約 25% 的總成本,而總碳排放量目標則達到降低 33%-56% 的總碳排放量,有效降低音場材料使用的成本以及其碳排放量,同時餘響時間也皆落於設定之理想值區間內。未來可為本研究模式設計使用者介面供設計師使用,同時也能以更多目標函數做計算以期達到最佳化之音場。

In recent years, there are promotion of life quality also the popularity of indoor leisure and cultural activities. For the sound fields of room acoustic are building much more rapid, such as concert halls, cinemas, theaters or auditorium and others. However, interior designers usually using their own experience to design the interior decoration materials. Instead of planning by systematic methods. Therefore, we investigate the Reverberation Time (RT) in research. And create a multi-objective optimization model by combining the RT Sabine formula and the Non-dominated sorting genetic algorithm II (NSGA II). With the purpose of building a situation of total cost and total carbon emissions that match the RT interval value. The cases are two auditorium buildings. Can also get the decoration materials by measuring the case building at site.
The results shows that two case's decoration materials at original design can't match the ideal RT value. After calculating by multi-objective optimization model of the study, total cost reduced about 25% total price, and 33-56% of the total carbon emissions. Reducing the total cost and total carbon emissions of sound field material effectively. Simultaneously the RT value is qualified.
URI: http://hdl.handle.net/11455/96621
Rights: 同意授權瀏覽/列印電子全文服務,2020-08-25起公開。
Appears in Collections:景觀與遊憩學士學位學程

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