Adjustment device, comprising: a base component (B1), an adjustment body (10), at least one flexure hinge (21), by means of which the adjustment body (10) is rotatably hinged on the base component (B1) about a flexure hinge rotation axis (D1), and at least one drive device (C), which is coupled to the base component (B1) and to an adjustment body connection device (AV), in order to move the same relative to each other, wherein the drive device (C) comprises an actor (60) which comprises an electrical coil (71) with a coil axis (AS) extending along the flexure hinge rotation axis (D1) and a compensation component (80) of a magnetizable or magnetized material and at least one permanent magnet segment (MS), which is disposed beside the actor (60) movably beside the same, wherein the magnet field lines in the interior of the permanent magnet segment (MS) extend along the coil axis (AS), and an adjustment system, an computer program product.

Adjustment device, comprising: a base component (B1), an adjustment body (10), at least one flexure hinge (21), by means of which the adjustment body (10) is rotatably hinged on the base component (B1) about a flexure hinge rotation axis (D1), and at least one drive device (C), which is coupled to the base component (B1) and to an adjustment body connection device (AV), in order to move the same relative to each other, wherein the drive device (C) comprises an actor (60) which comprises an electrical coil (71) with a coil axis (AS) extending along the flexure hinge rotation axis (D1) and a compensation component (80) of a magnetizable or magnetized material and at least one permanent magnet segment (MS), which is disposed beside the actor (60) movably beside the same, wherein the magnet field lines in the interior of the permanent magnet segment (MS) extend along the coil axis (AS), and an adjustment system, an computer program product.

To obtain an electromagnetic actuator capable of improving a thrust force of a movable element. Provided is an electromagnetic actuator, including: a stator, which has a first surface at one end in an axial direction and a second surface at another end in the axial direction, and is made of a soft magnetic material having a tubular space formed in the axial direction; and a movable element, which is disposed in the tubular space, and is configured to move along the axial direction, wherein the stator includes: a coil; a core portion; and a protrusion portion, wherein the movable element includes a movable element core made of a soft magnetic material and a permanent magnet, and wherein at least one of a radially inner side and a radially outer side of the permanent magnet is covered by a movable element core.

A dynamic force contactor includes: a magnet that provides a magnetic field; an electrical conductor that provides an electric field perpendicular to the magnetic field, the electric field from the electrical conductor in combination with the magnetic field from the magnet providing a Lorentzian force; an armature disposed proximate to the magnet, the electrical conductor disposed on the armature such that the armature reciprocates in a reciprocating direction relative to the magnet in response to the Lorentzian force and that produces the dynamic force; and a dynamic force mediator in communication with the electrical conductor and the armature such that: the dynamic force mediator monitors an alternating voltage across the electrical conductor; the dynamic force mediator monitors an alternating current through the electrical conductor; and the dynamic force mediator monitors a reciprocation velocity of the armature.

A dynamic force contactor includes: a magnet that provides a magnetic field; an electrical conductor that provides an electric field perpendicular to the magnetic field, the electric field from the electrical conductor in combination with the magnetic field from the magnet providing a Lorentzian force; an armature disposed proximate to the magnet, the electrical conductor disposed on the armature such that the armature reciprocates in a reciprocating direction relative to the magnet in response to the Lorentzian force and that produces the dynamic force; and a dynamic force mediator in communication with the electrical conductor and the armature such that: the dynamic force mediator monitors an alternating voltage across the electrical conductor; the dynamic force mediator monitors an alternating current through the electrical conductor; and the dynamic force mediator monitors a reciprocation velocity of the armature.

An actuator includes: a magnet structure including first and second areas, a first magnet whose magnetic pole surface has an N pole and a second magnet whose magnetic pole surface has an S pole; and a circuit board including first and second wirings. When current flows from one end of the first wiring to the other end, the current circulates in one direction at least partially on the first magnet in the first area, while it circulates in a direction opposite to the one direction at least partially on the second magnet in the first area. When current flows from one end of the second wiring to the other end, the current circulates in the direction opposite to the one direction at least partially on the first magnet in the second area, while it circulates in the one direction at least partially on the second magnet in the second area.

An electromagnetic actuator having a speed reducer has a stator and a rotor arranged to move rotationally relative to the stator. A drive gear is fixed to the rotor. At least three planetary gears are mounted on the stator and each of the at least three planetary gears are engaged by the drive gear. An annular gear is rotationally mounted on the first stator the annular gear is engaged by each of the at least three planetary gears.

An impact actuator with 2-degree of freedom, which may generate an impact stimulation in any direction on the plane, includes a body having a magnetic substance that is movable therein, one upper solenoid attached to an upper portion of the body, and three or more lower solenoids attached to a lower portion of the body, wherein the upper solenoid and the three or more lower solenoids are independently supplied with AC power from a power supply, respectively.

An apparatus for rotating a shaft by using an electromagnet is provided. Permanent magnets are placed around a shaft to rotate with the shaft, and an electromagnet is placed outside the circumference of the permanent magnets, and a device for activating electromagnet is placed. Two secondary cell batteries are used to activate the electromagnet and the electromagnet makes the permanent magnets rotate. The secondary cell batteries are charged using back-emf which occurs in the electromagnet. Coils are placed around the circumference of the permanent magnets and the rotating permanent magnets generate electricity to the coils.

An apparatus for rotating a shaft by using an electromagnet is provided. Permanent magnets are placed around a shaft to rotate with the shaft, and an electromagnet is placed outside the circumference of the permanent magnets, and a device for activating electromagnet is placed. Two secondary cell batteries are used to activate the electromagnet and the electromagnet makes the permanent magnets rotate. The secondary cell batteries are charged using back-emf which occurs in the electromagnet. Coils are placed around the circumference of the permanent magnets and the rotating permanent magnets generate electricity to the coils.