Tag: #steadystateerror
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EK General Oct 2023 (Q2)
(a) Explain EACH of the following control terms: (i) Proportional action (2) (ii) Integral action (2) (b) Describe, with the aid of a sketch, a control system that may be enhanced by the inclusion of cascade control. (6) Instrumentation & control Oct 2023 (Q2)
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EK General Oct 2022 (Q2)
(a) Explain EACH of the following control terms: (i) proportional action; (2) (ii) integral action. (2) (b) Describe, with the aid of a sketch, a control system that may be enhanced by the inclusion of cascade control. (6) Control system Oct 2022 (Q2)
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EK General Dec 2021 (Q3)
(a) Explain EACH of the following control terms (i) Proportional action (2) (ii) Integral action (2) (iii) Derivative action (2) (b) Explain why proportional, integral and derivative actions are combined in one controller (PID), stating an example where it may be used (4) Control system Dec 2021 (Q3)
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EK General Jul 2021 (Q3)
With reference to automatic control: (a) Sketch a pneumatic proportional plus integral controller (6) (b) Explain the term integral saturation (2) (c) Explain the action to be taken by the operator in the event of integral saturation occurring (2) Control system Jul 2021 (Q3)
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EK General Oct 2020 (Q3)
(a) Explain EACH of the following control terms: (i) Proportional action; (2) (ii) Integral action. (2) (b) Describe, with the aid of a sketch, a control system that may be enhanced by the inclusion of cascade control. (6) Control system Oct 2020 (Q3)
