In a closed-loop process control system,...

Question 1 / 205eccefa5bacbc34ba4d48827

Question 1 of 205eccefa5bacbc34ba4d48827

In a closed-loop process control system, what statement concerning feedback is true as it relates to stability and the direction of error displacement?

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Question 1 of 20

5eccefa5bacbc34ba4d48827

In a closed-loop process control system, what statement concerning feedback is true as it relates to stability and the direction of error displacement?

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🔍 Key Concepts

• Closed-loop control systems and how they correct errors • Difference between negative feedback and positive feedback in terms of stability • The idea of error displacement (is the system too high or too low compared to the setpoint?)

💭 Think About

• Ask yourself: when a system output is too high compared to the desired value, what kind of feedback will act to bring it back down instead of driving it even higher? • Think about a common example like a ship’s autopilot or a thermostat—does it use positive or negative feedback to maintain a steady course/temperature? • Which type of feedback generally makes systems more likely to oscillate or run away, and which type tends to stabilize them?

✅ Before You Answer

• Identify which feedback type is generally associated with stabilizing a control system in normal operation. • Determine whether "same direction as the error" would increase or decrease the error from the setpoint. • Determine whether "opposite direction as the error" would work to reduce the error and bring the system back toward the desired value.

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Question 1 of 20

In a closed-loop process control system, what statement concerning feedback is true as it relates to stability and the direction of error displacement?

Negative feedback is used to minimize instability by pushing the system in the same direction as the error displacement.

Positive feedback is used to minimize instability by pushing the system in the opposite direction as the error displacement.

Positive feedback is used to minimize instability by pushing the system in the same direction as the error displacement.

Negative feedback is used to minimize instability by pushing the system in the opposite direction as the error displacement.

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Question 1 / 205eccefa5bacbc34ba4d48827

Question 1 of 205eccefa5bacbc34ba4d48827

In a closed-loop process control system, what statement concerning feedback is true as it relates to stability and the direction of error displacement?

Back

Question 1 of 20

5eccefa5bacbc34ba4d48827

In a closed-loop process control system, what statement concerning feedback is true as it relates to stability and the direction of error displacement?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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