### IC8451 - Control Systems - Unit-5 Two marks

__Subject Name:__ Control Systems

__Subject Name:__

__Subject Code:__ IC8451

__Subject Code:__

## 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**5th 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.Mention the need for state variables.

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## 2.Define state and state variables.

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## 3.Define state vector and state space.

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## 4.Which are three basic units of a state diagram ?

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## 5.What are phase variables ?

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## 6.State the features of matrix A obtained using phase variables.

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## 7.Name the methods of state space representation.

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## 8.State the features of matrix A obtained by parallel programming.

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## 9.What is characteristic equation is state space representation. Define eigen values.

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## 10.What is zero input response of a system ? How to obtain it ?

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## 11.Define controllability.

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## 12.When a system is said to be completely observable ?

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## 13.Define state equation.

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## 14.State the limitations of state variable feedback.

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## 15.Write the homogeneous and non homogeneous state equation.

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## 16.Define state trajectory.

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## 17.What is the necessary condition to be satisfied for design using state feedback?

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## 18.What is controllability?

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## 19.What is observability?

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## 20.What is need for controllability test ?

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## 21.What is need for observability test?

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## 22.State the duality between controllability and observability.

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## 23.Enumerate the advantages of state space analysis.

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## 24.When a System is said to be completely observable?

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