%0 Journal Article %T Direct Adaptive Hybrid PD-PID Controller for Two-Link Flexible Robotic Manipulator %A Rasheedat M. Mahamood %J Lecture Notes in Engineering and Computer Science %D 2012 %I Newswood and International Association of Engineers %U http://www.iaeng.org/publication/WCECS2012/WCECS2012_pp1127-1132.pdf