Page 91 - Toucpad robotics C11

The First Industrial Robot Changed Manufacturing Forever

The world’s first true industrial robot, called Unimate, was introduced in 1961. It was
designed to handle molten metal in a General Motors factory—a job too dangerous for
BRAINY humans. Instead of being seen as a futuristic gadget, Unimate became a workhorse that
FACT revolutionised manufacturing. Its success paved the way for today’s robotic arms used in
car factories, electronics assembly, and even in delicate surgeries. What’s mind-blowing is
that many modern industrial robots still follow Unimate’s basic design principles, only now
enhanced with AI, sensors, and incredible precision.

Programming Fundamentals: Giving the Robot its Instructions

A robot’s hardware provides its body, senses, and processing power, but it’s the software or program that gives it life and
intelligence. Programming is the process of writing a set of instructions that tell the robot exactly what to do, step by step,
to achieve a desired task. Just as you follow a recipe to cook a dish, a robot follows a program to perform its functions.

Understanding how to structure these instructions, represent them, and write them in a language the robot’s brain
comprehends is fundamental.

Algorithms: The Step-by-Step Plan

Description
An Algorithm is a detailed, step-by-step procedure or a set of rules for solving a specific problem or accomplishing
a specific task. It’s a precise blueprint for how to get something done. Algorithms are independent of any specific
programming language; they focus on the logic and sequence of operations.
Characteristics
Unambiguous: Each step must be clear and leave no room for misinterpretation.
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Finite: It must terminate after a finite number of steps.
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Effective: Each step must be simple enough to be carried out.
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Input/Output: It must take zero or more inputs and produce one or more outputs.
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Application in Robotics
Every robotic behaviour, from turning on a motor to navigating a complex environment, is based on an underlying
algorithm.
Example Algorithm (for a line-follower robot)

1. Start.
2. Read sensor data from the left and right line-detection sensors.
3. IF (left sensor detects line AND right sensor detects line) THEN (move forward).
4. ELSE IF (left sensor detects line AND right sensor does NOT detect line) THEN (turn left slightly).
5. ELSE IF (left sensor does NOT detect line AND right sensor detects line) THEN (turn right slightly).
6. ELSE IF (left sensor does NOT detect line AND right sensor does NOT detect line) THEN (stop or search for line).
7. Repeat from step 2.
8. End.
Flowcharts: Visualising the Algorithm

Description
A Flowchart is a graphical or diagrammatic representation of an algorithm or a process. It uses standard symbols to
depict different types of operations, decisions, and data flow, connected by arrows indicating the sequence.
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Computing System