Design an observer for the plant Gs 10 s 3s 7s 15
Chapter 12, Problem 19(choose chapter or problem)
For a specific individual, the linear time-invariant model of the hypothalamic-pituitary adrenal axis of the endocrine system with five state variables has been found to be (Kyrylov, 2005)
\(\left[\begin{array}{c} \dot{x}_1 \\ \dot{x}_2 \\ \dot{x}_3 \\ \dot{x}_4 \\ \dot{x}_5 \end{array}\right]=\left[\begin{array}{ccccc} -0.014 & 0 & -1.4 & 0 & 0 \\ 0.023 & -0.023 & -0.023 & 0 & 0 \\ 0.134 & 0.67 & -0.67 & 0.38 & 0.003264 \\ 0 & 0 & 0.06 & -0.06 & 0 \\ 0 & 0 & 0.0017 & 0 & -0.001 \end{array}\right]\)
\(\times\left[\begin{array}{l} x_1 \\ x_2 \\ x_3 \\ x_4 \\ x_5 \end{array}\right]+\left[\begin{array}{l} 1 \\ 0 \\ 0 \\ 0 \\ 0 \end{array}\right] d_0\)
The State-variable definitions were given in Problem 23, Chapter 3.
a. Use MATLAB to determine if the system is controllable.
b. Use MATLAB to express the matrices A and B in phase-variable form.
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