0 votes 0 votes A unity feedback control system is characterized by the open-loop transfer function $$G(s)=\frac{2(s+1)}{s^3+ks^2+2s+1}$$ The value of $k$ for which the system oscillates at $2$ rad/s is ___________ Control Systems gate2017-ec-2 numerical-answers control-systems feedback-principle + – admin asked Nov 25, 2017 • retagged Nov 17, 2020 by soujanyareddy13 admin 46.4k points 293 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.