Development of a Cruise Control for an Electric Bicycle

Photo of Ramzy Nawas, Daniel Peterson, and Kramer Schlaudt Students: Ramzy Nawas, Daniel Peterson, and Kramer Schlaudt

Sponsor: National Instruments

Date: Spring 2010

Requirements:
National Instruments requires that the eBike dynamic model be LabVIEW-based. The graphical model must be created with SolidWorks and be imported to LabVIEW's 3D Picture Control module. While the company wanted cruise control functionality tested, there was no plan to actually install a physical cruise control package on the actual bike.

Problem:
Create a combined graphical and dynamic model of the hybrid electric eBike to predict the response of the vehicle to an input velocity request. A cruise control case study was used to testthis system model.

Solution:
The team created an detailed solid model and derived a dynamic state equation using a bond graph approach. The team developed two alternate methods of graphically rotating the bicycle wheels and an accompanying road. The team also prototyped two methods of outputting the data to the model, one of which updates and interacts with user requests in real time.

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