TRIZ method provides useful theory for users to analyze and solve problems using a logic manner. It is widely used in different fields and has gained great success in machine design. Virtual reality (VR) is a computer generated environment with features of visualization and users’ interaction, which provides a cost-effective tool for product evaluation and design improvement. In this research, TRIZ is applied in the design of a new hemp scutcher prototype. With the assistance of VR technology, the design visualization and concept evolution are achieved in a virtual environment. A VR-based system is developed to evaluate the mechanism of the conceptual design, and to compare differences with traditional machines. The new design is supposed to have a better performance in terms of scale, product quality and energy efficiency.

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