how to design PID for unstable system... 1/s-1???
A Anonymous Dec 13, 2004 #2 1/(s-1): open loop? With P controller (gain = G): closed loop is: G/(s-1+G) (stable with G>1)
S S. Reid Dec 13, 2004 #3 there is a minimum bandwidth requirement for a right half plane pole. See http://www.control.lth.se/~kja/limitationsparis4s.pdf
there is a minimum bandwidth requirement for a right half plane pole. See http://www.control.lth.se/~kja/limitationsparis4s.pdf