“…This allows to preserve mechanical parts from shocking each other, increasing the lifespan of the engine and improving the driver's comfort. Conventional clutches include electromagnetic clutches [2,3], gear clutches [4,5], friction clutches [1], overrunning clutches [6,7] and centrifugal clutches [8]. Car manufacturers requirements for greater power transmission, lightweight, low cost design, smaller design space, high comfort and high effectiveness lead to develop new clutches mechanisms such as ultrasonic clutch [9] or piezoelectric clutch [10].…”