Hybrid mobile robot

PURPOSE: A mobile robot with a caterpillar and a driving wheel is provided to enhance energy efficiency by preventing unnecessary use of power when driving. CONSTITUTION: A mobile robot with a caterpillar and a driving wheel comprises a body unit(100), a main wheel support board(200), an auxiliary wheel support board(300), a first driving wheel(410), a driving caterpillar(430), a second driving wheel(420), a first driving motor, a caterpillar assembly motor, a caterpillar driving motor, a second driving motor, and a control unit. The caterpillar assembly motor assembles the driving caterpillar. The control unit controls operation of the first driving motor, the caterpillar assembly motor, the caterpillar driving motor, and the second driving motor.