“…The first robot to be introduced in human life was a robot arm manipulator used in industries to replace human labor in a dull, dangerous, and dirty working environment [1,2,3,4]. This type of robot has been so wellrecognized and well-researched that it creates a perfect worker for industry revolution 4.0 [5]. Automation has penetrated every aspect of human life to support our lifestyle or to spoil us [5,6,7,8,9,10,11,12,13,14,15], such as a service robot [6], a worker robot [7], and an agriculture robot [12,13,14,15,16,17].…”