Simultaneous strong stabilization and tracking controller design for MIMO systems. - A. Nazli Gündes; T. S. Chang (CDC, 2007)

Synthesis of PID controller with guaranteed stability margin for a class of unstable MIMO systems. - T. S. Chang (ACC, 2008)

PID Controller Synthesis with Specifed Stability Requirement for Some Classes of MIMO Systems. - T. S. Chang; A. Nazli Gündes (Eng. Lett., 2008)

PID controller synthesis with shifted axis pole assignment for a class of MIMO systems. - A. Nazli Gündes; T. S. Chang (ACC, 2009)