How 'Observers' Enhance Closed-loop Control How 'Observers' Enhance Closed-loop Control. DN Staff. May 14, 2007. 3 Min Read. Take a look at ... the observer controller. If you look at the block ...

Root-locus-based PID controller and LQR-based controller always fail as system nonlinearity increases. We here propose the optimization-compensated block/diagram to reinforce the stabilization ability ...