There is disclosed a stretchable sensor system for measuring deformation of an elastomer, the stretchable sensor system comprising at least one magnet; at least one magnetic sensor, each having a sensor output; and a controller, wherein the at least one magnet is/are fixed to the elastomer at a respective first location or plurality of locations and the at least one magnetic sensor is/are fixed to the elastomer at a respective second location or plurality of locations, such that the or each magnetic sensor is located in magnetic proximity to a respective said magnet, and wherein the controller is operable: to receive sensor data from the sensor output of the or each magnetic sensor; to process the received sensor data in dependence on the first and second locations or plurality of locations to determine a positional relationship between the or each magnet and the respective magnetic sensor; and to compute a deformation of the elastomer in dependence on the determined positional relationship between the or each magnet and the respective magnetic sensor. The present invention has particular application to soft robotics and closed loop control thereof.

A robot control apparatus according to one or more embodiments may include: a calculating unit configured to calculate an interference range of a robot based on a model of the robot in a state in which an object is gripped by a gripper with which the robot is equipped; and a planning unit configured to plan a motion of the robot based on the model and the interference range.

Force and torque measurements from a robotic F/T sensor are compensated for the effects of gravity, and optionally additionally for the effects of robot motion. The weight of an attached tool W.sub.tool, and a vector {right arrow over (r)}.sub.CG from the F/T sensor body CF origin to a center of gravity of the tool are obtained, such as from user input or by parameter identification. During a robotic operation, a rotation matrix R.sub.International CF.sup.Body CF from the F/T sensor body CF to an inertial reference frame is obtained, such as from an internal inertial measurement unit (IMU), or from forward kinematics data from the robot. The force and torque measurements resolved by the F/T sensor from transducer outputs are compensated for gravity based on the W.sub.tool and {right arrow over (r)}.sub.CG, and the instantaneous value of R.sub.International CF.sup.Body CF. For inertial compensation, the additional information is obtained, including: the mass m of the attached tool; the angular velocity {right arrow over (ω)} of the F/T sensor body CF; the angular acceleration {dot over (ω)} of the F/T sensor body CF; the linear acceleration {right arrow over (a)} of the F/T sensor body CF; and inertia tensor I defined in the F/T sensor body CF which contains all moments and products of inertia. The force and torque measurements resolved by the F/T sensor from transducer outputs are compensated for inertial effects based on m, {right arrow over (ω)}, {right arrow over (ω)}, {right arrow over (r)}.sub.CG, {right arrow over (α)}, and I.

A manipulator system includes a manipulator configured for guiding an instrument. The system furthermore includes a controller configured to actuate the manipulator such that the instrument is pressed with a pressing force against a human body. A force reduction input device is provided separately from the manipulator and is operable by an operator to reduce the pressing force.

A center of gravity of a robot device is estimated without utilization of a force sensor or the like. An information processing device including a center-of-gravity estimation unit that calculates, on the basis of torque applied to one or more joints included in each of a plurality of leg portions, reaction force applied from a ground contact surface to each of the plurality of leg portions, and that estimates a center of gravity of a robot device including the plurality of leg portions on the basis of the calculated reaction force on the plurality of leg portions.

A position correction device according to an embodiment includes a movable part and a pressing part. The movable part is capable of moving a holding part that holds a connection object back and forth in each of a second direction that is orthogonal to a first direction where the holding part is moved therein in order to connect the connection object to a target connector, and a rotational direction where the holding part is rotated therein around an axis along a third direction that is orthogonal to each of the first direction and the second direction as a center. The pressing part presses the movable part that moves in the second direction to move the movable part to a neutral position in the second direction and presses the movable part that moves in the rotational direction to move the movable part to a neutral position in the rotational direction.

Systems and methods for determining a location of a robot are provided. A method includes receiving, by a processor, a signal from a deformable sensor including data with respect to a deformation region in a deformable membrane of the deformable sensor resulting from contact with a first object. The data associated with contact with the first object is compared, by the processor, to details associated with contact with the first object to information associated with a plurality of objects stored in a database. The first object is identified, by the processor, as a first identified object of the plurality of objects stored in the database. The first identified object is an object of the plurality of objects stored in the database that is most similar to the first object. The location of the robot is determined, by the processor, based on a location of the first identified object.

A robot apparatus includes a clamp mechanism; a transport mechanism; and a control unit. The clamp mechanism includes a first finger that has a first support surface and a housing portion and a second finger. The first support surface supports an aligned wire group that includes a plurality of wires, the housing portion includes a guide wall that is connected to the first support surface and regulates an amount of movement of the band member in a width direction. The second finger has a second support surface facing the first support surface and a facing portion being connected to the second support surface and facing the housing portion. The transport mechanism is capable of moving the clamp mechanism. The control unit controls a grip force of the clamp mechanism and a direction of movement of the clamp mechanism by the transport mechanism.

A robot arm comprising a plurality of limbs articulated relative to each other, the robot arm extending from a base to a distal limb carrying a tool or an attachment point for a tool, the distal limb being attached by a revolute joint to a second limb, and the robot arm comprising a motor having a body and a drive shaft configured to drive rotation of the distal limb relative to the second limb about the revolute joint, wherein the body of the motor is fast with the distal limb.

A master-slave system includes: a master unit including an operation end, an operation detector that detects operational information inputted by a force being applied to the operation end, and a force applier that gives a force to the operation end; a slave unit including an action part, and an operation part that moves the action part; and a control device. The control device outputs, according to a regulating condition and the operational information, a command for causing the operation part to operate the action part to carry out operation reflecting the regulating condition. The control device outputs, according to the regulating condition, a command for causing the force applier to give a force to the operation end against the input to the operation end that commands the given movement of the action part.