Our new system for the Safe Bike allows riders to simply squeeze either handlebar to play a warning message to pedestrians. This lets pedestrians know that the rider is close, which provides additional safety for each party involved.
World: A biker is about to encounter a pedestrian who is in front of them and needs to let them know that they are going to pass them.
Input: The biker squeezes the right or left handlebar on their bicycle, depending which side they intend to pass on.
Sensor: A pressure sensor within the handlebar is activated as the biker squeezes the handlebar.
Brain: The brain then interprets the pressure of the pressure sensor, and has to know which handlebar was squeezed. Once it determines that, it knows what warning message to play and sends that information to the actuator.
Actuator: The actuator of the system is a speaker which plays one of two pre-recorded warning messages. If the left handlebar is squeezed, the brain interprets it and the speaker plays the message “on your left”. If the right handlebar is squeezed, the message “on your right” is played from the speaker.
Output: The pedestrian hears the warning message and is aware of the biker’s presence. They can either move out of the way, or not change their current path, in order to not interfere with the path of the biker. This lets the biker safely pass the pedestrian.
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