%0 Journal Article %T Non-linear Saturation Controller to Reduce the Vibrations of Vertical Conveyor Subjected to External Excitation %A A. T. EL-Sayed %A M. N. Abd EL-Salam %A Y. A. Amer %J Asian Research Journal of Mathematics (ISSN: 2456-477X) %D 2018 %R 10.9734/ARJOM/2018/44590 %X (1) Dr. Ruben Dario Ortiz Ortiz, Professor, Facultad de Ciencias Exactas y Naturales, Universidad de Cartagena, Colombia. %U http://www.sciencedomain.org/abstract/26904