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Routh hurwitz unstable system
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Control system • In this criterion, we require the characteristic equation to find the stability of the closed loop control systems. • make routh array using coefficients of characteristic equation • If all the elements of the first column of the Routh array are positive, then there is no sign changes in the first column of the Routh array. So, the control system is stable • if there is sign change then system is unstable • 00:00 find stability from characteristic equation • 00:30 make routh array using characteristic equations coefficients • 01:00 do multiplication • 04:00check whether last element of column and characteristic equation are same • 04:20 check whether the first column have any sign changes • 05:00 if there is sign change then system will be unstable • routh hurwitz • routh stability criterion • routh array special cases • routh hurwitz criterion in control system • routh criterion in control system • routh hurwitz criterion special cases • routh hurwitz criterion in control system problems • routh hurwitz criterion in control system special case • routh hurwitz criterion in control system examples • routh hurwitz criterion of stability • routh array method
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