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Self-Balancing
Robots
How does a robot know its position and
orientation in space? How does it know if it is
falling over and in what direction?
Robots use different types of sensors to provide data to their
processing units. Programs written by engineers that are running on
the processing units use this data to determine instructions to command
the other parts of the robot what to do based on the data.
The sensors that robots use for this purpose include: gyroscope sensors, which tell
the robot its relative position and angle in space; accelerometers, which tell the
robot if its speed and direction are changing; radar, sonar, and lidar sensors, which
tell the robot its position relative to other objects; and GPS, which tells the robot its
location relative to satellites orbiting Earth and thus its precise location on Earth.
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