Robotics & Artificial Intelligence
Describe the role of sensors in robotics. Give any two examples of different types of sensors.
Answer
Sensors act as the "sense organs" of a robot. They detect changes in the robot’s surroundings or inside the robot (like distance, light, sound, temperature, pressure, position, etc.) and convert this information into electrical signals. The robot’s controller uses these signals to make decisions and control actions, such as navigation, obstacle avoidance, safety, and accurate movement.
Examples:
- Vision sensor (Camera) — Captures images/video so the robot can recognise objects and support tasks like inspection and navigation.
- Proximity sensor (IR/Ultrasonic) — Detects presence or distance of nearby objects without contact, helping in obstacle detection and collision avoidance.
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