本論文主要是提出一套創新型二合一波浪獵能器並探討其可行性。此系統構想是在浮動式OWC系統的上方建立一固定支架並在支架上裝設汽缸，將汽缸活塞桿連接至浮動式OWC上，藉此在遭遇波浪時不僅能擷取震盪水柱的能量，也可同時截取浮動式OWC起伏運動推動氣缸所產生的能量，此兩種截取的能量型式皆為壓縮氣體，將壓縮氣體儲存於等壓儲氣櫃，並利用等壓儲氣櫃所釋放的等壓空氣推動渦輪機以提供穩定的氣流以降低葉片轉速變化劇烈情形，降低後端控制電路成本、提高發電機輸出功率品質。此波浪獵能器之優點在於能獵取較多頻段之波浪，遭遇低頻波浪時能利用結構物之起伏運動帶動氣缸產生能量，在中高頻時也能擷取浮動式OWC所產生的能量，而且在遭遇共振頻率的波浪下，不僅能吸收因共振產生較大相對波高之能量，也能同時擷取起伏運動之能量。
本研究主要以2D截片理論為基礎，加入汽缸阻力與震盪水柱阻力探討二合一波浪獵能器遭遇波浪而產生的起伏運動與相對波高，並提出一套更加精確的發電功率算法，最後以小琉球、龍洞為放置地點為例，比較二合一波浪獵能器、浮動式與固定式震盪水柱發電功率的差異。
根據模擬結果可以得到:共振頻率會隨著雙體結構物的水線面積與體積之比值增大而增加，最大發電功率之遭遇波浪波長隨波浪方向平行之結構物氣室長度增加而增加，因此在設計時也要考慮此兩項因素之交互影響，必要時可加入隔板調整氣室長度與波長比，參考以上參數所設計之二合一波浪獵能器在共振頻率下與固定式和浮動式OWC相比能有較好的發電效率，遭遇低頻波浪時也可以克服浮動式OWC不能吸收能浪的缺點。
關鍵詞：雙體浮體運動、波浪發電、相對波高、震盪水柱、OWC。

This research is an improvement of the wave harvester. In order to improve the efficiency of wave harvester, this innovative two-in-one wave harvester was created. This new kind of wave harvester is the combination of Point Absorber and Floating type OWC wave harvester. It can absorb low and high frequency of wave energy with the principle of Point Absorber and Floating type OWC, so it can adapt more different kinds of wave. Especially encounter the nature frequency wave, this harvester can produce higher relative wave and heave motion providing higher efficiency. This research used 2D strip theory also considering air damp and piston friction resistance to stimulate this wave harvester, and also provide more precise power calculate method predicting the power generation of the real model. The stimulate results shows that two-in-one wave harvester power efficiency is higher than the Floating & Fixing type OWC when encountering the designed frequency wave. Compare to the experiment, This power generation calculate method which is better than pass method (over 100% error) is under 20% error compared to the experiment.

Key words: Point Absorber, Floating type OWC, 2D strip theory

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