Lesson Notes By Weeks and Term v4 - SHS 1
Robots & Society
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Robots & Society
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Subject: Robotics
Class: SHS 1
Term: 1st Term
Week: 2
Grade code: 1.1.1.LI.2
Strand code: 1
Sub-strand code: 1
Content standard code: 1.1.1.CS.1
Indicator code: 1.1.1.LI.2
Theme: Principles of Robotic Systems
Subtheme: Robots & Society
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This lesson explores the exciting and rapidly changing world where humans and robots work together. In Ghana today, from factories in Tema that assemble cars to services that deliver medical supplies with drones, robots are becoming more common. Understanding their impact is crucial for our future careers and for our country's development. We will investigate how adding robots to a workplace isn't just about technology; it changes how well a business performs. We will focus on four key measures: the price of products, the quality of work, the flexibility to change, and the ability to create new things (innovation).
This lesson revolves around understanding how robots change the performance of a business. We measure this performance using four key indicators. A. The Four Organisational Performance Indicators Price: Definition: This refers to the final cost of a product or service to the consumer. It is also related to the cost of production for the company. The goal of most businesses is to reduce production costs so they can offer a competitive price and make a profit. Impact of Robots: Potential to Decrease Price: Efficiency: Robots can work 24/7 without getting tired, leading to faster production and more items made in less time. Reduced Labour Costs: Over the long term, a company might spend less on salaries and benefits compared to the initial high cost of buying and maintaining the robot. Less Waste: Robots are precise. In a factory making clothes, a robotic cutter wastes less fabric than a human might. This saves money on materials. Potential to Increase Price (Initially): High Initial Cost: Robots are very expensive to buy, install, and program. This large investment might be passed on to the consumer at first. Maintenance: Skilled technicians are needed to repair and maintain robots, and their services can be costly. Ghanaian Example: Imagine a sachet water ("pure water") factory. Before robots, workers would fill, seal, and pack the sachets by hand. After introducing an automated filling and sealing machine (a type of robot), the factory can produce thousands more sachets per hour. This increased volume and reduced spillage (waste) can lower the cost of producing each sachet, potentially leading to a lower price for distributors. Quality: Definition: Quality refers to how good a product or service is. It includes factors like consistency (every product is the same), accuracy, reliability, and freedom from defects. Impact of Robots: Potential to Increase Quality: Consistency: A robot will perform the same task in exactly the same way every single time. If it's programmed to tighten a bolt to a specific torque, it will never over-tighten or under-tighten it. This leads to uniform products. Precision: Robots can perform tasks with a level of accuracy that humans cannot match, such as placing tiny components on a circuit board. Reduced Human Error: Humans get tired, distracted, or bored. Robots don't. This eliminates errors caused by fatigue. Ghanaian Example: Consider the Kantanka automobile assembly plant. A robot programmed to apply a perfect, even coat of paint to a car door will do so consistently for every door. This results in a higher quality finish than manual painting, which can have drips or uneven patches. The quality of the final car is therefore improved. Flexibility: Definition: This is the ability of a company to adapt to changes quickly. This could mean changing the product being made, increasing or decreasing production volume, or customising orders for different customers. Impact of Robots: Potential to Increase Flexibility: Reprogrammability: Modern robots (like robotic arms) can be reprogrammed to do different tasks. The same arm that was welding a car frame can be reprogrammed to lift and place a heavy engine. This is faster than retraining a whole team of workers for a new process. Potential to Decrease Flexibility: Specialised Robots: Some robots are designed for only one specific task (e.g., a bottle-capping machine). This is called "hard automation." Such a system is very efficient but not flexible at all. You cannot use it to pack boxes. Human Adaptability: Humans are naturally more flexible. A worker on an assembly line can be asked to switch tasks or solve an unexpected problem on the spot, something a rigidly programmed robot cannot do. Ghanaian Example: A small furniture maker in Accra who uses hand tools is very flexible. They can easily switch from making a chair to a table to a custom-designed wardrobe. A large factory with a robotic system for mass-producing one type of chair is less flexible. However, if they use programmable robotic arms, they could potentially switch between different pre-programmed chair designs more quickly than re-tooling a manual assembly line. Innovation: Definition: Innovation is the process of creating new products, ideas, or better ways of doing things. It's about improvement and invention. Impact of Robots: Potential to Drive Innovation: Enabling New Processes: Some advanced products, like modern smartphones, have components so small they can *only* be assembled by robots. Robots enable the innovation of such products. Freeing Human Creativity: When robots handle the repetitive, dull, and dangerous tasks (the "3 D's": Dull, Dirty, Dangerous), human workers are freed up to focus on more creative and strategic tasks like product design, process improvement, and problem-solving. Rapid Prototyping: 3D printers (a form of robot) allow engineers to quickly create physical models of their new ideas, speeding up the innovation cycle. Ghanaian Example: Zipline's use of drones (a type of aerial robot) to deliver blood and vaccines to rural hospitals is a major innovation in healthcare logistics. Before this, delivery was slow and difficult due to bad roads. The human-robot system (doctors ordering, technicians packing, drones flying) created a completely new and more effective way to save lives. This is a perfect example of innovation driven by robotics.
Guided Practice (With Solutions)
Instructions: Let's analyse the following short scenarios together. For each one, we will identify the impact on Price, Quality, Flexibility, and Innovation.
Scenario 1: Adepa Fruit Juice Adepa Fruit Juice is a small company in the Eastern Region that produces fresh pineapple juice. Pre-Robot Era: 10 workers wash, peel, cut, and press the pineapples by hand. They then manually bottle and cap the juice. The process is slow and some bottles have slightly different amounts of juice. Post-Robot Era: The company buys an automated juice processing machine. A few workers now feed whole pineapples into one end, and the machine washes, presses, bottles, and caps the juice automatically.