Lesson Notes By Weeks and Term v4 - SHS 3
Robot Control Principles
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Robot Control Principles
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Subject: Robotics
Class: SHS 3
Term: 1st Term
Week: 17
Grade code: 3.1.2.LI.2
Strand code: 1
Sub-strand code: 2
Content standard code: 3.1.2.CS.3
Indicator code: 3.1.2.LI.2
Theme: Principles of Robotic Systems
Subtheme: Robot Control Principles
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Welcome, future engineers and innovators! Today, we are moving beyond just building robots to becoming expert robot "doctors." Just like a car can break down or a phone can malfunction, robotic systems can also fail. A robot that is supposed to sort ripe tomatoes might start crushing them, or an automated gate might refuse to open. Our job is to figure out *why*. This skill, called troubleshooting or fault diagnosis, is one of the most important in robotics and engineering.
Before we can find faults, we must understand the language of robotics design and the categories of mistakes that can occur. A. Functional Requirements
This is a formal way of saying, "What is the robot supposed to do?" Functional requirements are a specific, clear list of tasks and capabilities the robot must have to solve a problem. They are the benchmark against which we measure success or failure. Example: Imagine we are building a simple automated lighting system for a poultry farm to extend daylight hours. Functional Requirement 1: The system must turn on the lights automatically at 6:00 PM. Functional Requirement 2: The system must turn off the lights automatically at 9:00 PM. Functional Requirement 3: The system must have a manual override switch to turn the lights on or off at any time.
If the lights turn on at 7:00 PM, or don't turn off at all, it has failed to meet its functional requirements. B. The Three Categories of Flaws
When a robot fails, the problem almost always falls into one of these three categories. Think of it like cooking Jollof rice: The Recipe is Wrong (Algorithm Flaw) The Ingredients or Pot are Bad (Design Flaw) You Misread the Recipe Instructions (Coding Error)