Abstract

A hydrostatic bicycle, an application of light-duty hydraulic-hybrid transmissions, is a human-powered vehicle that uses pressurized fluid to transmit power to the wheels. Unlike conventional bicycles, this vehicle offers four operating modes: boost, cruising, charging, and regenerative braking. To fulfill these features, hydraulic, mechanical, electrical, and electronic components are required, leading to a complex design task considering the power availability and physical constraints. The Fluid Power Club at Purdue University developed a virtual twin of the vehicle in a mixed-reality (MR) environment for validating the design before moving to the manufacturing and construction phases. This technology allows the coexistence of virtual objects in physical environments using computers and wearable devices. This work discusses the development of a virtual representation of the proposed hydrostatic bicycle in a MR environment after specifying its desired performance and constraints. The virtual assembly of components was deployed on a headset used by industry mentors and academic advisors to provide valuable feedback concerning the layout and manufacturing considerations. This process assisted the team in making the best decisions during the conceptual design phase, saving valuable resources by helping them visualize and collaborate effectively. MR enables visualizing fluid-powered systems and their components in 3-D, thus becoming an immersive educational and training technology.

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