Mada za sehemu hiiDemonstrate understanding of Automated and Emerging technologies [Automated systems, Artificial Intelligence, Machine learning, 3D and holographic imaging, Virtual Reality (VR), Augmented Reality (AR), etc.]Mada 6
- Demonstrate basic understanding of automated system and how sensors, microprocessors and actuators can be used in collaboration to create automated systems
- Describe the advantages and disadvantages of an automated system used for various scenario (agriculture, Industry, transport, weather, etc)
- Create simple automated system for specific challenge in surrounding environment
- Describe the concept of emerging technologies (Meaning, types, importance, advantages and disadvantages, and their impacts in everyday life)
- Demonstrate practical understanding of building blocks and components of artificial intelligence: basics algorithms, machine learning, and neural networks
- Demonstrate practical understanding of impacts of emerging technologies in everyday life
Advantages and Disadvantages of Automated Systems
An automated system uses technology—sensors, controllers, and actuators—to perform tasks with minimal human intervention. Understanding both the benefits and limitations of these systems helps us make informed decisions about where and how to apply automation in real-world scenarios.
Increased Efficiency and Speed
Automated machines and software complete tasks much faster than humans because they do not get tired or distracted. Once programmed, they can work continuously at a consistent pace.
Example: In a car manufacturing plant, assembly-line robots can weld or paint dozens of cars per hour. Doing the same work manually would require many workers and take significantly longer.
Consistency and Accuracy
Computers and machines perform the same action repeatedly with uniform quality, reducing human errors caused by fatigue, boredom, or guesswork.
Example: Medical laboratory robots can measure chemicals precisely for blood tests, ensuring accurate results every time. This reduces diagnostic errors that could occur from manual handling.
Operating in Hazardous Environments
Automation allows dangerous jobs to be handled without putting human lives at risk. Machines can enter environments that would be unsafe or impossible for people.
Example: Robots can explore collapsed buildings after earthquakes to search for survivors, or handle radioactive materials in nuclear power plants, keeping humans out of harm's way.
Reduced Labor Costs
Once set up, automated systems often cost less over time than paying employees for repetitive tasks. This allows organisations to save money or redirect workers to more creative or problem-solving roles.
Example: Banks use ATMs (Automated Teller Machines) to handle deposits and withdrawals, reducing the need for extra tellers for basic transactions. One ATM can serve customers 24 hours a day without requiring salary or benefits.
24/7 Operation Capability
Automated systems do not need sleep, breaks, or holidays. They can keep running all day and night, which increases overall productivity and service availability.
Example: Online customer service chatbots answer basic questions at any time, even on weekends or holidays, providing instant support without human operators.
High Initial Cost
Purchasing, installing, and maintaining automated systems requires significant financial investment. Small businesses and organisations in developing countries like Tanzania may find it difficult to afford these technologies.
Example: A regional hospital introducing robotic surgery systems must invest hundreds of millions of Tanzanian shillings, plus additional costs for training technicians and ongoing maintenance.
Job Displacement
Automation may replace workers who perform simple or repetitive jobs, leading to unemployment in some sectors. Workers whose skills are easily automated may struggle to find new employment.
Example: Supermarkets using self-checkout stations sometimes employ fewer cashiers. In Tanzania, this could affect young people seeking entry-level jobs in retail.
Complexity and Skill Requirements
Modern automated systems require highly trained personnel for programming, repair, and supervision. Without proper expertise, organisations risk system downtime, misuse, or security vulnerabilities.
Example: A factory with advanced industrial robots must hire qualified engineers and technicians to keep the machines running. If the nearest repair specialist is in Dar es Salaam, rural areas may face long delays when equipment fails.
Dependence on Technology
When automated systems fail, productivity may stop entirely. Organisations can become overly reliant on technology, making them vulnerable to disruptions.
Example: If a airline's booking system crashes, flights may be delayed or cancelled until the system is restored. Passengers may miss connections, and the airline loses revenue.
Ethical and Social Concerns
Automation creates moral and societal challenges, including loss of privacy, excessive dependence on machines, and environmental harm from electronic waste.
Examples:
- AI-powered surveillance cameras may invade personal privacy in communities.
- Over-automation in healthcare reduces human contact, making patients feel neglected.
- Outdated robots and electronic equipment create electronic waste that harms the environment if not properly recycled.
The following table summarises how automation affects different sectors in Tanzania and similar contexts:
| Sector | Positive Impacts | Potential Negative Impacts |
|---|---|---|
| Agriculture | Precision irrigation saves water; automatic milking machines reduce labor; greenhouse climate control improves crop yields | High cost of technology; maintenance in rural areas may be difficult; power supply issues in remote regions |
| Industry | Automation of manufacturing lines increases output; quality control reduces waste; predictive maintenance prevents breakdowns | Job loss in manual assembly; high cost for small firms; risk of complete shutdown if system fails |
| Transport | Smart traffic systems reduce congestion; driver assistance improves safety; autonomous prototypes could address driver shortages | Safety risks in untested systems; regulatory and legal issues; potential loss of driving jobs |
| Weather/Environment | Automated sensors monitor weather patterns and environmental changes; automatic warnings save lives during storms | Dependence on sensor networks; data privacy concerns; high cost to deploy in remote or rural areas |
Consider a small-scale tomato farmer in Morogoro who installs an automated drip irrigation system with soil moisture sensors.
Advantages for this farmer:
- The sensor detects when soil moisture is low and automatically activates irrigation, saving water and labor.
- The system operates 24/7 without the farmer needing to be present, allowing time for other income-generating activities.
- Consistent watering improves crop quality and yield, potentially increasing profits.
Disadvantages for this farmer:
- Initial cost of sensors, controllers, and drip equipment may be too high for a smallholder farmer.
- If the sensor malfunctions or power supply fails, the entire crop could be damaged before the problem is discovered.
- The farmer needs basic technical skills to operate and maintain the system.
When evaluating whether to implement an automated system, consider:
- Cost-benefit analysis: Does the long-term efficiency gain justify the initial investment?
- Skills availability: Are trained personnel available to operate and maintain the system?
- Reliability: What happens when the system fails? Is there a backup plan?
- Social impact: How does automation affect employment and community dynamics?
- Environmental sustainability: Is the system energy-efficient? How will outdated equipment be disposed of?
Automation offers powerful benefits but must be implemented thoughtfully, considering both its advantages and limitations in specific contexts.
In Tanzania, a market vendor in Kariakoo using an automated inventory management system on a tablet can track stock levels in real-time, receive alerts when popular items like rice or cooking oil are running low, and generate daily sales reports without manual record-keeping. However, the vendor must also handle the disadvantage of power outages common in the area—having a backup plan such as a simple notebook system ensures business continuity when the automated system is unavailable.
Swali
Which of the following is a key advantage of automated systems in terms of efficiency?
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