IC8451 - Control Systems - Unit-3 Two marks

Subject Name: Control Systems

Subject Code: IC8451

B.E. EEE/EIE/ICE Dept - semester 04

Anna University Regulation 2017 B.E. EEE/EIE/ICE Dept 4th semester IC8451(Control Systems) 2 marks for 3rd unit is provided below. IC8451 all units 2 marks, Control Systems all units notes & syllabus are listed down for students to utilize it for scoring maximum marks with our study materials.

1.State any four advantages of frequency response.

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2.Define frequency response of a system.

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3.List the frequency domain methods.

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4.What are the advantages of Bode plot ?

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5.Define gain margin.

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6.State any four frequency domain specifications.

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7.What is meant by corner frequency in frequency response analysis ?

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8.What do you mean by minimum phase system ?

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9.Why did Bode suggest plotting the magnitude of a frequency response on log-log co-ordinates ?

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10.What is gain crossover frequency and phase crossover frequency ?

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11.In terms of Bode plot, define stability of the system.

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12.What will be the initial slope of the Bode magnitude plot for a system having no poles at the origin ?

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13.If the very low frequency asymptote of the magnitude plot of an unity feedback system has a slope of -40 dB/decade, find which standard input or inputs it can follow without any steady state errors.

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14.What is meant by +20 dB/dec slope change ?

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15.What is polar plot ?

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16.How to determine stability from the polar plot ?

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17.Define encirclement of a point.

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18.Define analytic function and singularities.

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19.What is Nyquist path or Nyquist contour ? What is Nyquist contour ?

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20.Define phase margin. (or) What is phase margin ?

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21.State Nyquist stability criterion.

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22.What is Bode plot?

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23.What is closed loop frequency response ?

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24.What is Nichols chart ?

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25.Mention the advantages of Nichols chart. (or) What are the advantages of Nichols chart

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26.State the various frequency domain specifications. (or) What are the frequency domain specifications ?

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27.Define Resonant peak. (or) What is Resonant peak?

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28.What is dominant pole?

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