2. Differentiate Between Open-loop and Closed-loop Control Systems
Control systems are categorized into open-loop and closed-loop systems based on feedback mechanisms, each serving crucial roles across various engineering applications. Open-loop systems operate without feedback, leading to simplicity and cost-effectiveness but lacking accuracy. In contrast, closed-loop systems use feedback for continuous adjustments, allowing for higher accuracy and stability, but with increased complexity and cost associated with additional components.
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What we have learnt
- Control systems can be divided into open-loop and closed-loop categories based on their use of feedback.
- Open-loop systems are simpler and less expensive but are prone to errors and lack adaptability.
- Closed-loop systems, while more complex and costly, offer increased accuracy and stability by continuously adjusting outputs.
Key Concepts
- -- Openloop Control System
- A system where output is not fed back to the input, and control actions rely solely on input without adjustment based on the actual output.
- -- Closedloop Control System
- A system that uses feedback to compare actual output with desired input, enabling it to make adjustments and minimize errors.
- -- Feedback Mechanism
- The process in which a system monitors its output and adjusts its operation to align it closer to the desired outcome.
- -- Accuracy
- The degree to which a control system achieves its intended output, often improved through feedback in closed-loop systems.
- -- Stability
- The ability of a control system to maintain consistent performance despite disturbances or changes in operational conditions.
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