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科技與工程學院
電機工程學系
學位論文
學位論文
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http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/73890
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search.filters.author.Lin, Yu-Wei
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search.filters.author.林昱維
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search.filters.subject.Deep Reinforcement learning
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search.filters.subject.image-to-action translations
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search.filters.subject.proximal policy optimization(PPO)
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search.filters.subject.target grasp strategy
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search.filters.subject.影像到動作的轉換
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Subject: search.filters.subject.Deep Reinforcement learning
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基於影像到動作轉換之未知環境下目標物件夾取策略
(
2023
)
林昱維
;
Lin, Yu-Wei
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本論文的主要目標是利用僅有的彩色影像,使機械手臂在沒有相關的3D位置信息的情況下夾取靜態或動態目標。所提出方法的優點包括在未知環境下,為各種類型的機器人手臂提供一類通用控制策略、能夠自主生成相應的自由度動作指令的影像到動作轉換,以及不需要目標位置。首先,使用YOLO (You Only Look Once)算法進行影像分割,然後將彩色影像分成不同的有意義的對象或區域。採用近端策略最佳化(Proximal Policy Optimization, PPO)算法對卷積神經網絡 (CNN)模型進行訓練。機械手臂和目標物件的彩色影像以及馬達的轉動量分別是CNN模型的輸入和輸出。為了避免機器人手臂與物體碰撞造成機構損壞,在深度增強式學習訓練中使用Gazebo模擬環境。最後,實驗結果展示了所提出策略的有效性。
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