Linear motor and systems therewith

Linear motor system comprising a stator, and a mobile motor part comprising at least one motor element separated from the stator by an airgap (G) configured to be electromagnetically coupled thereto to generate thrust on the mobile motor part in a track direction (A), at least one of the stator and the mobile motor part comprising an electromagnet and at least the other of the stator and mobile motor part comprising one or more of a permanent magnet, an electromagnet, an induction plate, wherein the linear motor further comprises at least one control system, airgap sensors connected to the control system configured to measure a length of the airgap between the mobile motor part and the stator, and actuators connected to the control system coupled to a support of the mobile motor part and to the motor element, the actuators receiving control signals from the control system to adjust said length of the airgap, wherein the mobile motor part comprises a plurality of motor elements connected together via hinge coupling elements or a motor element comprises a plurality of segments connected together via flexible hinges, wherein a plurality of said motor segments are mounted on a flexible support.

Linear motor system comprising a stator, and a mobile motor part comprising at least one motor element separated from the stator by an airgap (G) configured to be electromagnetically coupled thereto to generate thrust on the mobile motor part in a track direction (A), at least one of the stator and the mobile motor part comprising an electromagnet and at least the other of the stator and mobile motor part comprising one or more of a permanent magnet, an electromagnet, an induction plate, wherein the linear motor further comprises at least one control system, airgap sensors connected to the control system configured to measure a length of the airgap between the mobile motor part and the stator, and actuators connected to the control system coupled to a support of the mobile motor part and to the motor element, the actuators receiving control signals from the control system to adjust said length of the airgap, wherein the mobile motor part comprises a plurality of motor elements connected together via hinge coupling elements or a motor element comprises a plurality of segments connected together via flexible hinges, wherein the hinges comprise a sandwich construction of layers of a magnetic or ferromagnetic material and layers of an elastomeric material doped with a ferromagnetic particles.

Linear motor system comprising a stator, and a mobile motor part comprising at least one motor element separated from the stator by an airgap (G) configured to be electromagnetically coupled thereto to generate thrust on the mobile motor part in a track direction (A), at least one of the stator and the mobile motor part comprising an electromagnet and at least the other of the stator and mobile motor part comprising one or more of a permanent magnet, an electromagnet, an induction plate, wherein the linear motor further comprises at least one control system, airgap sensors connected to the control system configured to measure a length of the airgap between the mobile motor part and the stator, and actuators connected to the control system coupled to a support of the mobile motor part and to the motor element, the actuators receiving control signals from the control system to adjust said length of the airgap, wherein the actuator comprises a first actuation device and a second actuation device, the first actuation device generating a coarse adjustment and the second actuation device generating a fine adjustment.

Linear motor system comprising a stator, and a mobile motor part comprising at least one motor element separated from the stator by an airgap (G) configured to be electromagnetically coupled thereto to generate thrust on the mobile motor part in a track direction (A), at least one of the stator and the mobile motor part comprising an electromagnet and at least the other of the stator and mobile motor part comprising one or more of a permanent magnet, an electromagnet, an induction plate, wherein the linear motor further comprises at least one control system, airgap sensors connected to the control system configured to measure a length of the airgap between the mobile motor part and the stator, and actuators connected to the control system coupled to a support of the mobile motor part and to the motor element, the actuators receiving control signals from the control system to adjust said length of the airgap, wherein the actuators are individually controlled, each connected to a dedicated control system receiving signals from an airgap sensor at, or proximate, the actuation device.