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• Light sensors use laser light to detect objects in the pathway.
• Sound sensors or Supersonic sensors use high-frequency sounds to detect objects.
• Temperature sensors sense temperature.
• Contact sensors are one of the most common sensors in robotics. They are used to
detect changes in position, velocity, force, etc.
• Proximity sensors are used to measure the distance of any object from a robot.
• Pressure sensors sense pressure.
• Positioning sensors are used in the automation industries for accurate robotic arm
movement.
Power Supply
Just like human beings consume food when they need energy, robots need energy too
to function. Electricity is the primary source of energy for most robots. Stationary robots
used in the factories use direct power. Mobile robots use high-capacity batteries. Robotic
spacecrafts and satellites are generally equipped with solar panels.
62 Touchpad Artificial Intelligence-V

