System Overview P09007

Pedal-Driven Auxiliary Black Box Electrical Output To Devices Pedal-Driven Auxiliary Power Device Human Pedal Power Power/Performance Statistics

System Overview Mechanical Electrical System System Conrols/GUI System Output Human Pedal Power Generator Output Mechanical System Electrical System Conrols/GUI System

System Functions Mechanical Accept human power input Transfer kinetic energy from bike to motor. Alter speed ratios to turn motor at desired speed Minimize resistance to workout

Mechanical Concepts Wheel Driven Pedal Driven Easy to mount “Free-wheeling” Not common bike to bike Pedal Driven Most common element between bikes Difficult to mount safely

System Functions Electrical Regulates output to prevent amplitude spikes delivered to device Handle fluctuations in human pedaling speed Prevents overcharge Delivers regulated voltage to power devices

Mechanical Concept Selection

Electrical System Concept AC/DC Converter Battery Charger Overcharge Protection GUI Interface LCD DC/DC Inverter AC DC 9V 2.5V (USB)

System Functions GUI/User Interface Plug-and-go usability Provide user with produced energy statistics/battery monitoring Power Voltage Current Battery Level