數位人體模型的應用範圍越來越廣泛，其範圍遍佈各個領域，而在數位人體模型的動作模擬可利用動作擷取系統捕捉現場真實動作，或是透過現場作業的錄影再以人工手拉動畫來呈現。但若需分析評估新的生產線或工作現場，在沒有任何實體模型的條件下欲模擬出未知的作業動作則不可行，因此本研究希望發展一套能模擬真實作業環境，讓使用者直接進行虛擬組裝與即時評估分析的虛擬實境系統。

本研究透過HMD、空間定位儀、5DT資料手套等輸入設備以實現即時控制數位人體模型，並利用5DT資料手套與互動機制的建立來達成與虛擬物件互動，藉此方式可讓使用者完全融入虛擬環境中，並任意抓取任一虛擬物件，以利進行虛擬組裝作業。最後再加入2D生物力學評估模式，讓使用者在動作模擬的同時，便可即時的產生評估結果，以達到即時評估和改善之目的。

結合即時控制數位人體模型、虛擬互動機制、即時生物力學評估三大功能，本研究將真實車門生產線的物件匯入，以模擬車門線的作業環境。在虛擬組裝應用中，透過虛擬試裝可以檢視組裝流程，物料配置；在真實作業評估應用中，透過即時評估檢視作業姿勢，以對真實作業時的危險姿勢進行改善；最後在搬運物料的即時虛擬作業評估應用中，透過即時虛擬作業與即時評估，可對新生產線或工作站進行評估與改善。使用本系統即時模擬所產生的改善結果不僅可縮短設計時程，降低成本，對於新生產線與工作站的改善也更有效率更有依據。

Nowadays, the application of digital human models becomes broader and more promising. By using the motion capture system or manipulating the digital human models manually, it can easily simulate human tasks in the virtual world. Thus, this study aims to develop a VR system to allow users simulating assembly tasks and conducting real-time evaluation.

In this study, we used the HMD, 3D position devices, and 5DT data gloves to manipulate the digital human model. In addition, the 5DT data gloves can make users interact with virtual objects with their hands to simulate assembly tasks. Finally, with the support of 2D biomechanical models, we can conduct real-time biomechanics evaluations in design improvement.

By integrating the DHM with interaction mechanism and 2D biomechanical models, we can simulate the vehicle door assembly tasks. In the virtual assembly, the process flow and layout can be visualized. In the evaluation of real task, hazardous postures can be determined and then be improved. Finally, with both virtual tasks and real-time evaluations, we can evaluate a new workstation in a production line. The system can reduce the time and cost for the design of a new workstation. Besides, the improvements can be realized in an efficient and cost-effective manner.

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