Lesson Notes By Weeks and Term v4 - SHS 2
Robots & Society
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Robots & Society
Download the Lessonotes Mobile Ghana app for faster lesson access on Android and iPhone.
Subject: Robotics
Class: SHS 2
Term: 1st Term
Week: 2
Grade code: 2.1.1.LI.2
Strand code: 1
Sub-strand code: 1
Content standard code: 2.1.1.CS.1
Indicator code: 2.1.1.LI.2
Theme: Principles of Robotic Systems
Subtheme: Robots & Society
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This lesson explores the growing interaction between humans and robots in our world. As technology advances, robots are no longer just in science fiction movies; they are becoming part of our workplaces, hospitals, and farms. We see examples in Ghana with Zipline's medical delivery drones and automated systems in factories. This lesson will help us understand why it is essential for humans and robots to work together safely and ethically. We will discuss the rules and principles that should guide this partnership to ensure technology serves humanity for the better. Understanding this is crucial for you as future innovators, engineers, and citizens in a technologically advanced Ghana.
This section breaks down the core ideas you need to understand. a) What is Robot-Human Coexistence?
Robot-Human Coexistence does not simply mean that humans and robots exist in the world at the same time. It refers to the shared environment and collaborative interaction between humans and robots, especially in workplaces, public spaces, and homes. It is about creating a partnership where robots assist humans, making tasks easier, more efficient, and safer, rather than simply replacing them. Example: In a modern car assembly plant, a human worker might perform a delicate task like connecting wires, while a large robotic arm next to them lifts and positions a heavy car door. They are coexisting and collaborating in the same space to achieve a common goal. b) The Importance of Safety in Robotics
When powerful machines work closely with people, safety is the number one priority. Safety in robotics involves designing, building, and operating robots in a way that prevents harm to humans, property, and the robot itself.
There are two main categories of safety to consider: Physical Safety: This is about preventing physical injury. Collision Avoidance: Robots must be equipped with sensors (like cameras, LiDAR, or ultrasonic sensors) to detect humans and objects in their path and stop or move around them. Emergency Stops: Robots, especially large industrial ones, must have clearly visible and easily accessible emergency stop buttons (E-stops) that anyone can press to shut them down immediately. "Failsafes": This means the robot is programmed to enter a safe state if it loses power or connection, or if a part fails. For example, a drone carrying medicine should be programmed to land slowly or return to base if its battery is critically low, not just drop out of the sky. Speed and Force Limits: Collaborative robots ("cobots") are designed to work alongside humans and are programmed to operate at safe speeds and with limited force, so they cannot cause serious injury if they accidentally make contact. Cyber-Physical Security: This is about protecting the robot's software and communication systems. Hacking: If a robot's control system is hacked, it could be made to do dangerous things. Imagine a hacker taking control of a fleet of self-driving tro-tros or delivery drones. Data Privacy: Robots often collect data with their cameras and sensors. Who owns this data? How is it protected? A cleaning robot in a hospital must not be able to leak private patient information it might overhear or see. c) Introduction to Roboethics