Abstract: A current vector controlled synchronous reluctance motor and control method thereof, wherein the motor has a coil on each of the teeth. The coils form a U-phase winding, a V-phase winding and a W-phase winding. The phase windings receive a balanced three-phase current vector to induce closed magnetic field lines, such that the coils induce same magnetic poles adjacent to the rotor unit. Two short magnetic routes are formed along three adjacent teeth and the rotor unit. The efficiency of the reluctance motor is high.

Abstract: A magnetic coupling assembly has a supporting base, a first disk, a second disk and two piezoelectric actuators. The piezoelectric actuators are mounted between the supporting base and the first disk to drive the first disk to move along an axial direction of the supporting base and to adjust the air gap between the first and second disks. Each piezoelectric actuator has a housing, a pushing arm and at least one piezoelectric block. The pushing arm is mounted slidably in and extends out of the housing along a longitudinal direction parallel with the axial direction of the supporting base and has an end securely connected with the first disk. The at least one piezoelectric block is mounted in the housing and is attached to the pushing arm to push the pushing arm to move along the longitudinal direction.

Abstract: The present invention provides a method for removing micro-debris generated in a laser machining process operated on machined object and device of the same. The machined object is placed on a movable machining platform within a machining range and machined at a particular machining location. By disposing an acoustic wave generator and a reflector part, or by disposing a plurality of acoustic wave generators, at least two standing waves extending across the machining range and two standing wave nodes are generated. The micro-debris generated from the laser machining process is moved away by the standing waves to concentrate at the standing wave nodes, and subsequently removed from the standing wave nodes.

Abstract: A magnetic-controlled actuator (100) with an auto-locking function for joints of a manipulation arm mainly includes an inner-layer stator (10), an inner-layer mover (20), an outer-layer mover (30), an outer-layer stator (40), and a fixing shaft (50). The inner-layer mover (20), the outer-layer mover (30), and the outer-layer stator (40) have a plurality of permanent magnets, respectively. The fixed shaft (50) simultaneously penetrates through the inner-layer stator (10), the inner-layer mover (20), the outer-layer mover (30), and the outer-layer stator (40) forming a coaxial arrangement. The inner-layer mover (20) rotates relatively to the inner-layer stator (10) to output power from the actuator (100). Therefore, a cogging effect, which is produced due to interaction of the permanent magnets between the outer-layer mover (30) and the outer-layer stator (40), is automatically produces a high cogging torque for the actuator (100).

Abstract: An energy transforming apparatus has a controllable magnetic power gathering device and a transforming device to transform the non-continuous kinetic energy into electrical power to store in the power storage assembly. The controllable magnetic power gathering device has a non-continuous moved or linear reciprocating moved input end, a continuous rotating output end and a controllable energy-adjusting end, etc, to transform the impulse momentum into the continuous kinetic energy with the differential motion and using the non-contacting magnetic wheel transmission assembly to protect the overload effect. The transforming device has an energy transforming assembly, a circuit adjustment assembly and a power storage assembly. The circuit adjustment assembly is electrically connected with the energy transforming assembly to control the energy transforming assembly to transform the kinetic energy into electrical power.

Abstract: A manufacturing method for a stator structure and a micromotor having the same. The method includes: providing a flexible printed circuit (FPC) on which configuration positions of coil windings and a configuration position of at least one position signal generating unit are formed, wherein the FPC is further provided with an interface part; disposing the coil windings and the position signal generating unit on the coil winding configuration positions and the position signal generating unit configuration position, respectively, wherein the interface part is further provided with a connector pattern which is electrically coupled with the coil windings and the position signal generating unit; forming a FPC assembly including the coil windings and the position signal generating unit; and winding the FPC assembly to form the stator. The stator is applied in a micromotor in which a rotor, the stator and a case are disposed outward in a radial direction.

Abstract: An energy transforming apparatus has a controllable magnetic power gathering device and a transforming device to transform the non-continuous kinetic energy into electrical power to store in the power storage assembly. The controllable magnetic power gathering device has a non-continuous moved or linear reciprocating moved input end, a continuous rotating output end and a controllable energy-adjusting end, etc, to transform the impulse momentum into the continuous kinetic energy with the differential motion and using the non-contacting magnetic wheel transmission assembly to protect the overload effect. The transforming device has an energy transforming assembly, a circuit adjustment assembly and a power storage assembly. The circuit adjustment assembly is electrically connected with the energy transforming assembly to control the energy transforming assembly to transform the kinetic energy into electrical power.

Abstract: The present invention provides a method for removing micro-debris generated in a laser machining process operated on machined object and device of the same. The machined object is placed on a movable machining platform within a machining range and machined at a particular machining location. By disposing an acoustic wave generator and a reflector part, or by disposing a plurality of acoustic wave generators, at least two standing waves extending across the machining range and two standing wave nodes are generated. The micro-debris generated from the laser machining process is moved away by the standing waves to concentrate at the standing wave nodes, and subsequently removed from the standing wave nodes.

Abstract: A magnetic-controlled actuator (100) with an auto-locking function for joints of a manipulation arm mainly includes an inner-layer stator (10), an inner-layer mover (20), an outer-layer mover (30), an outer-layer stator (40), and a fixing shaft (50). The inner-layer mover (20), the outer-layer mover (30), and the outer-layer stator (40) have a plurality of permanent magnets, respectively. The fixed shaft (50) simultaneously penetrates through the inner-layer stator (10), the inner-layer mover (20), the outer-layer mover (30), and the outer-layer stator (40) forming a coaxial arrangement. The inner-layer mover (20) rotates relatively to the inner-layer stator (10) to output power from the actuator (100). Therefore, a cogging effect, which is produced due to interaction of the permanent magnets between the outer-layer mover (30) and the outer-layer stator (40), is automatically produces a high cogging torque for the actuator (100).

Abstract: A stator structure, a micromotor having the same, and a micromotor manufacturing method therefor are provided. In the micromotor configured with the stator, a rotor, the stator and a case are disposed outward in a radial direction. The rotor is pivotly connected in the case and the stator includes a FPC assembly which is configured with a plurality of coil windings and at least one position signal generating unit and is circumferentially disposed between the rotor and the case, with the rotor as the axis. Configuration positions of the coil windings and the position signal generating unit are corresponding to magnetic poles of the rotor.

Abstract: A motor module includes a bearing housing having a loading base, an electric unit, a bearing, and a magnetic rotor unit disposed on the bearing. In addition, a protruding portion is extending from the loading base, and the electric unit includes a printed circuit board (PCB) and sensing elements, wherein the PCB is utilized for disposing the loading base thereon. Moreover, signal circuits and motor windings are formed on the PCB around the loading base, the sensing elements are disposed around the motor windings, and the bearing is disposed at the protruding portion. Besides, the magnetic rotor unit is disposed on the motor windings, keeping a gap with the PCB; therefore, when electric current passes the motor windings, the magnetic rotor unit and the motor windings generate a flux linkage induction, so as to drive the magnetic rotor unit to rotate relative to the PCB.

Abstract: A prestress-adjustable piezoelectric gripping device is provided, in which a prestressing device adjusts a prestressing force applied to a piezoelectric element of a piezoelectric unit on the basis of a feedback signal from a force-sensing unit, so as to adjust the friction between the piezoelectric unit and a gripping unit. By utilizing the deformation of the piezoelectric element to drive the gripping unit many times, the gripping velocity and gripping force of the gripping unit can be controlled, and the prestress-adjustable piezoelectric gripping device of the invention can achieve a long driving displacement while maintaining high precision.

Abstract: A prestress-adjustable piezoelectric gripping device is provided, in which a prestressing device adjusts a prestressing force applied to a piezoelectric element of a piezoelectric unit on the basis of a feedback signal from a force-sensing unit, so as to adjust the friction between the piezoelectric unit and a gripping unit. By utilizing the deformation of the piezoelectric element to drive the gripping unit many times, the gripping velocity and gripping force of the gripping unit can be controlled, and the prestress-adjustable piezoelectric gripping device of the invention can achieve a long driving displacement while maintaining high precision.

Abstract: A motor module includes a bearing housing having a loading base, an electric unit, a bearing, and a magnetic rotor unit disposed on the bearing. In addition, a protruding portion is extending from the loading base, and the electric unit includes a printed circuit board (PCB) and sensing elements, wherein the PCB is utilized for disposing the loading base thereon. Moreover, signal circuits and motor windings are formed on the PCB around the loading base, the sensing elements are disposed around the motor windings, and the bearing is disposed at the protruding portion. Besides, the magnetic rotor unit is disposed on the motor windings, keeping a gap with the PCB; therefore, when electric current passes the motor windings, the magnetic rotor unit and the motor windings generate a flux linkage induction, so as to drive the magnetic rotor unit to rotate relative to the PCB.

Abstract: An electric variable inertia apparatus uses a servo drive device to drive a planetary gear mechanism to which a load assembly is attached to provide variable and wide-ranging rotational inertia. A planetary frame and a ring gear of the planetary gear mechanism act as two input ends of the electric variable inertia apparatus, and a rotated shaft of a sun gear assembly of the planetary gear mechanism acts as a load terminal. The load assembly is rotated at a controlled rotational velocity with the ring gear to generate a widely ranging rotational inertia to change a dissipating degree of an input energy from the planetary frame. The electric variable inertia apparatus can be used in different fields such as shock absorbers, stabilizers, dampers or vibrators in the automotive field, etc.

Abstract: A motor module includes a bearing housing having a loading base, an electric unit, a bearing, and a magnetic rotor unit disposed on the bearing. In addition, a protruding portion is extending from the loading base, and the electric unit includes a printed circuit board (PCB) and sensing elements, wherein the PCB is utilized for disposing the loading base thereon. Moreover, signal circuits and motor windings are formed on the PCB around the loading base, the sensing elements are disposed around the motor windings, and the bearing is disposed at the protruding portion. Besides, the magnetic rotor unit is disposed on the motor windings, keeping a gap with the PCB; therefore, when electric current passes the motor windings, the magnetic rotor unit and the motor windings generate a flux linkage induction, so as to drive the magnetic rotor unit to rotate relative to the PCB.

Abstract: The present invention provides a method for removing micro-debris generated in a laser machining process operated on machined object and device of the same. The machined object is placed on a movable machining platform within a machining range and machined at a particular machining location. By disposing an acoustic wave generator and a reflector part, or by disposing a plurality of acoustic wave generators, at least two standing waves extending across the machining range and two standing wave nodes are generated. The micro-debris generated from the laser machining process is moved away by the standing waves to concentrate at the standing wave nodes, and subsequently removed from the standing wave nodes.

Abstract: A winding module of permanent magnet electric machinery is described, in which coils of an electric machinery winding and a sensing device are integrally arranged. The winding module includes a base, a plurality of electric machinery windings formed on the base, and a plurality of sensing devices formed at intervals on the base. The coils of the electric machinery winding and the sensing device are integrally formed on the base by using a technique for forming a printed circuit board, thereby improving the process yield rate and quality controllability, effectively reducing the volume of the electric machinery, thinning the structure, saving time and cost required for installing a position sensor, simplifying the process for fabricating the electric machinery, and preventing the position sensor from being affected by environment and temperature, so as to have a highly robust effect.

Abstract: An ultra-thin motor structure including a stator assembly and a rotator assembly is provided. The stator assembly includes at least one bearing with a bore, a base, and a winding plate. The base has a protruding portion and a deck disposed in the protruding portion. The winding plate is stacked on the deck, and includes a plurality of coils formed by an electroforming process or etching process. Furthermore, the rotator assembly is disposed on the stator assembly, and includes a spindle, a top cover, and a permanent magnet ring. The spindle is fixed in the bore of the bearing, and the permanent magnet ring is disposed on the winding plate and supports the top cover thereon. Thereby, the ultra-thin motor structure can enhance the assembly and mass-production of the motor, and satisfy demands for thinning and performance of the motor.

Abstract: The present invention relates to a slotless winding for a rotating electric machine and a manufacturing method thereof. The slotless winding includes at least one flexible printed circuit board having at least one circuit, and one piece of flexible printed circuit board(s) is curved or a plurality of pieces of flexible printed circuit board(s) is mutually combined to form a barrel shape, thereby simplifying the procedure of manufacturing the slotless winding, improving production speed and reliability, and enabling diversified designing schemes to meet the demands of the rotating electric machine. In addition, it is not necessary for the coil winding to be cured for assembling, and assembling yield is thus enhanced.