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What is a Robot?

The word "robot" isn't well defined, at least not presently. There's a great deal of debate in the science, engineering, and hobbyist communities about exactly what a robot is, and what it is not.

Most people can agree that a robot is a machine designed to execute one or more tasks automatically with speed and precision. And for most of us, science fiction has strongly influenced what we expect a robot to look like and be able to do.

If this definition is true then it allows for many common machines to be defined as robots, including ATMs and washing machines. A washing machine also meets the basic definition of being a programmed machine; it has various settings that allow the complex tasks it performs to be altered to automatically as it performs a task. No one thinks of a washing machine as a robot.


Well, So What exactly is a Robot?

Actually it’s not easy to come up with a definition of what a robot is.

Here’s a definition that is neither too general nor too specific:

A robot is an autonomous machine capable of sensing its environment, carrying out computations to make decisions, and performing actions in the real world.

But no definition is perfect. You may argue, and perhaps rightly The thing to keep in mind about this or any other definition is that robots can typically do three things

  • Sense

  • Compute

  • Act

Any machine that adhere to the above characteristic can be called as a Robot.

Hope you got a clear vision about what a Robot a robot is and what not.

So what are the different types of Robot and how it works?

Well we will cover that in the upcoming classes.


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