Cauchy's Principle Control application: Given KG(s, we encircle the entire to get the contour evaluation of Closed-loop roots are poles of They are zeros of If there are no RHPs, then 1+ KG encirclement of 0 means With no rHP poles, KG encirclement of-1 means 3Cauchy’s Principle: Control application: Given KG(s), we encircle the entire to get the contour evaluation of Closed­loop roots are poles of They are zeros of If there are no RHPs, then 1 + KG encirclement of 0 means With no RHP poles, KG encirclement of ­1 means 3