Course 1, lesson 7 of 100, Ages 3+
Robots and AI
Not every robot is smart
Like I’m 5
A robot is a machine that can move and do jobs. Some robots just repeat the same moves. Robots with AI can look around and decide what to do.
The big idea
Factory robots often repeat one move over and over, like putting caps on bottles, millions of times without getting tired. They don't need AI, because the job never changes.
Robots that work in messy, changing places need AI. A delivery robot on a pavement must notice people, puddles and dogs, then choose a safe path. The AI is the robot's thinking part.
Examples
- Factory arm: Repeats the same weld all day. No learning needed.
- Robot vacuum: Notices furniture and changes its path.
- Mars rover: Picks safe routes over rocks, because Mars is too far away to steer it live from Earth.
How it works
- The robot senses the world with cameras and sensors.
- Its AI decides what to do next.
- Its motors move to do the job.
Check your understanding
- Which robot needs AI the most?
- Options: A delivery robot on a busy pavement; A robot that screws on the same lid all day; A wind-up toy.
Answer: A delivery robot on a busy pavement. A pavement changes all the time, so the robot must look and decide. - What is the AI in a robot like?
- Options: Its thinking part; Its paint; Its wheels.
Answer: Its thinking part. Motors move the robot, but the AI decides what to do.
Remember
Robots move and do jobs. AI helps robots decide what to do in changing places.
Talk about it
If you had a robot helper at home, what job would you give it first?
Go deeper
Robotics combines perception (sensing), planning (deciding) and control (moving). Many robots use AI for perception and planning, while classic control code handles precise motion.