Malaysia-Japan International Institute of Technology;
University of Technology Malaysia;
Kuala Lumpur 54100;
Malaysia;
Razak School of Engineering and Advanced Technology;
University of Technology Malaysia;
Kuala Lumpur;
54100;
Malaysia;
Department of Industrial Engineering;
University of Business and Technology;
Jeddah 21361;
Saudi Arabia;
Graduate School of System Design;
Tokyo Metropolitan University;
Tokyo 191-0065;
Japan;
two-mass; rotary; system; intelligent; approach; classical; method; mechanical; vibration; nominal; characteristic; trajectory; following;