Section 9.1 The 2DOF Structure for Stable Plants C Figure:An equivalent of the typical 2DOF system 1 G Figure:Another equivalent of the typical 2DOF system 4口，4日，4注4生，定9QC Zhang,W.D..CRC Press.2011 Version 1.0 6/95Section 9.1 The 2DOF Structure for Stable Plants Figure: An equivalent of the typical 2DOF system Figure: Another equivalent of the typical 2DOF system Zhang, W.D., CRC Press, 2011 Version 1.0 6/95