IC8451 - Control Systems - Unit-4 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 4th 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.What is BIBO stability ?

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2.Define unstable system.

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3.What is critically stable system ?

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4.What is conditionally stable system ?

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5.What is lag-lead compensation?

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6.What is relative stability ?

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7.What are the difficulties faced while applying Routh-Hurwitz's criterion ?

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8.State the importance of auxiliary equation.

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9.What are dominating poles and zeros ?

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10.Suppose one term is missing in the characteristic equation, what about the stability ?

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11.Write the necessary and sufficient condition for stability in Routh stability criterion.

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12.What are two notions of system stability to be satisfied for a linear time invariant system to be stable ?

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13.State the various compensation networks.

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14.What are the different methods of compensation ?

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15.What is compensation and compensators ?

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16.What is the basic characteristic of lag compensation ?

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17.Mention the need for lead compensation and lag compensation.

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18.What is the advantage of using root locus for design ?

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19.Why lag compensator is not useful for improving the performance of higher order systems ?

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20.Explain how bandwidth is affected by the introduction of lead, lag and lag-lead networks.

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21.What is the need of a compensator to be introduced in a system

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22.What type of compensator is suitable for high frequency noisy environment ?

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23.What is the basis for the selection of particular compensator for a system ?

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24.What is lag-lead compensation ?

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25.Why frequency domain compensation is normally carried out using the Bode plots ?

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