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# Axis imag 12 example 4 simple important criteria for

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Unformatted text preview: . imag. 12 Example 4 Simple & important criteria for stability 1st order polynomial Find the range of K s.t. Q(s) has all roots in the left s.t. Q(s) half plane. (Here, K is a design parameter.) Routh array 2nd order polynomial No sign changes in the first column Higher order polynomial Higher 13 Examples 14 Summary and Exercises All roots in open LHP? Routh-Hurwitz stability criterion Routh Routh array Routh Routh-Hurwitz criterion is applicable to only Routhpolynomials (so, it is not possible to deal with exponential, sin, cos etc.). Yes / No Yes / No Next, Next, Routh-Hurwitz criterion in control examples Routh- Yes / No Exercises Exercises Yes / No Read Routh-Hurwtiz criterion in the textbook. Read RouthDo Examples. Do Yes / No 15 16...
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