Abstract
This disclosure concerns ascertaining a force applied to a finger element of a gripper assembly of a robotic manipulator during the manipulation of an object. In one aspect, it discloses a gripper assembly comprising a finger element, an actuator, a linkage assembly comprising a plurality of arms connecting the finger element to the actuator, and a sensor assembly configured to output signals indicative of force components applied to the plurality of arms as a result of a force being applied to the finger element.