Method of controlling devices with sensation of applied force
Abstract:
The inventive technology eliminates the need for force sensors on a robotic manipulator while also improving feel by incorporating force sensors on the corresponding robotic input device. Position of the manipulator is used to determine positioning of the input device; therefore, rather than manipulator position lagging the input device position (as in conventional robotic systems), the opposite is true, so that input device position lags manipulator position. Through a combination of input device force control and manipulator position feedback, a sense of feel is achieved through use of an “effort sensor” mounted at a “control point” on the input device and use of a “position feedback force control” scheme.
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