In the operation of a proportional-plus-reset...

Question 1 / 205eccefa5bacbc34ba4d48806

Question 1 of 205eccefa5bacbc34ba4d48806

In the operation of a proportional-plus-reset controller, the proportional action __________. opposes the reset action during decreasing error transients aids the reset action during increasing error transients

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🔍 Key Concepts

• Proportional action in a controller and how it responds to error size and direction • Reset (integral) action and its purpose in eliminating steady-state error • Behavior of a PI (proportional + reset) controller during increasing vs. decreasing error transients

💭 Think About

• Think about what proportional action does when the error suddenly starts to decrease: does it push the output in the same direction as the change caused by reset, or in the opposite direction? • Now think about a period when the error is increasing: does proportional action reinforce the effect of the reset action or reduce it? • How does the sign and magnitude of error affect proportional output compared to the time-accumulated effect of reset action?

✅ Before You Answer

• Be clear on the difference between instantaneous response (proportional) and time-accumulated response (reset/integral). • For both statements I and II, sketch or imagine an error vs. time curve and the corresponding controller output for a PI controller. • Verify whether proportional and reset always act together in the same sense, or whether their effects can sometimes oppose each other during transients.

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Question 1 of 20

I only

II only

Both I and II

Neither I nor II

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Question 1 / 205eccefa5bacbc34ba4d48806

Question 1 of 205eccefa5bacbc34ba4d48806

Back

Question 1 of 20

5eccefa5bacbc34ba4d48806

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Be the first to share your thoughts!

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

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