PROBLEM TO BE SOLVED: To highly accurately detect a movement state of a portion to be mounted.SOLUTION: A drive unit comprises: a mounting mechanism mounted onto a portion to be mounted an actuator for driving the mounting mechanism and a plurality of first force sensors disposed between the mounting mechanism and the portion to be mounted. The actuator drives the mounting mechanism and assists in the operation of the portion to be mounted at least on the basis of a plurality of first detection values obtained from the plurality of first force sensors varying in response to the movement of the portion to be mounted.COPYRIGHT: (C)2016,JPO&INPIT
