If the system matrix of the control system is given as A = [2002] and input matrix B = [0 1] and the output matrix as C = [1 3], then the state transition matrix is given by:

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UPPCL AE Electrical 2 April 2022 Official Paper (Shift 2)
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  1. [e2t00e2t]
  2. [e2t00e2t]
  3. [e2t00e2t]
  4. [e2t00e2t]

Answer (Detailed Solution Below)

Option 3 : [e2t00e2t]
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Detailed Solution

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Concept:

The state transition matrix is given by:

ϕ(t) = e-At = L-1 [{sI - A}-1]

Calculation:

[sI - A] = [s+200s+2]

[sI - A]-1 = 1(s+2)2[s+200s+2]

[sI - A]-1 = [1s+2001s+2]

L-1 [{sI - A}-1] = [e2t00e2t]

Additional Information Properties of state transition matrix:

1.) ϕ(0) = e-0t = 1

2.) dϕ(0)dt=A, where A is the system matrix

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