Anadaptiveslidingmodecontroller(ASMC)basedoncharacteristicmodelisdesignedtoovercomethedetrimentaleffectoflargeinertiaratioandlarge-rangevaryinginertiainhighaccuracyservosystems.Theservosystemdiscretecharacteristicmodelisestablishedandadoptedforthecontrollerdesignedinsteadofusingthetrad