Abstract:
In a machining apparatus, a tool has a specified point for machining a workpiece, and a support supports the tool while a position and an orientation of the specified point of the tool are changeable. A actuator actuates the support to move the tool, and a sensor measures a magnitude and an orientation of force upon the force being applied to the tool. A determiner determines, upon the force being applied to the tool, a target orientation of the specified point of the tool according to the magnitude and the orientation of the force measured by the sensor. The force applied to the tool having an orientation to separate the tool from the workpiece. A controller controls the actuator to move the tool according to the determined target orientation.
Abstract:
In an apparatus for controlling the positioning of an object having a specified point, a first limiter establishes a movable range of the specified point of the object, and limits movement of the specified point of the object within the movable range. The movable range includes a line connecting the position of the specified point of the object and a target position for the specified point of the object. A second limiter limits change of a specified orientation of the object from increasing an angular difference between the specified orientation of the object a target orientation for the specified orientation of the object.
Abstract:
An apparatus for supporting a worker's body part, for example a surgeon's arm, is provided. The body part is supported by a base movably supported by a support. The apparatus has a free mode and a limitation mode, which are switchable. When it is determined that the body part is attempting to move the base or a fastening member, the operating mode is switched to the free mode. When it is determined that the body part is not attempting to move the base or the fastening member, the operating mode is switched to the limitation mode. The free mode allows the fastening member to fasten the body part on the base and allows a brake to release limitations to the motions of the base. The limitation mode allows the fastening member to release the body part from being fastened and allows the brake to limit the motions of the base.
Abstract:
A control apparatus detects a misalignment between an irradiation position of a transdermal treatment device and a target irradiation position. When the misalignment is detected, the control unit stops irradiation of the transdermal treatment device or moves the irradiation position closer to the target irradiation position.
Abstract:
In a method and apparatus for supporting dental implantation surgery, a three-dimensional CT image of jaws of an object is acquired. A reference site of the jaws and an implantation position of a gum in the jaws are set in the three-dimensional CT image. The implant is implanted at the implantation position. A three-dimensional optical image of an inside of an oral cavity of the object is then produced. The reference site is positionally set in the three-dimensional optical image through recognition of a shape of the reference site in the three-dimensional optical image. A surgical tool is positionally controlled to the implantation position in the oral cavity, based on i) a relationship between the position of the reference site and the implantation position of the gum in the three-dimensional CT image and ii) the position of the reference site in the three-dimensional optical image.