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  2. Linear induction motor - Wikipedia

    en.wikipedia.org/wiki/Linear_induction_motor

    A linear induction motor (LIM) is an alternating current (AC), asynchronous linear motor that works by the same general principles as other induction motors but is typically designed to directly produce motion in a straight line. Characteristically, linear induction motors have a finite primary or secondary length, which generates end-effects ...

  3. Magnetic levitation - Wikipedia

    en.wikipedia.org/wiki/Magnetic_levitation

    Magnetic levitation (maglev) or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields. Magnetic force is used to counteract the effects of the gravitational force and any other forces.

  4. Electromagnetic suspension - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_suspension

    Maglev (magnetic levitation) is a transportation system in which a vehicle is suspended on a guiding rail by the principle of electromagnetic suspension. Maglev has the advantages of being quieter and smoother than wheeled transportation due to eliminating much of the physical contact between wheels and track.

  5. Electrodynamic suspension - Wikipedia

    en.wikipedia.org/wiki/Electrodynamic_suspension

    Electrodynamic suspension can also occur when an electromagnet driven by an AC electrical source produces the changing magnetic field, in some cases, a linear induction motor generates the field. EDS is used for maglev trains, such as the Japanese SCMaglev. It is also used for some classes of magnetically levitated bearings.

  6. Electromagnetic propulsion - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_propulsion

    [2] [3] In the 1960s Eric Roberts Laithwaite developed the linear induction motor, which built upon these principles and introduced the first practical application of electromagnetic propulsion. [4] In 1966 James R. Powell and Gordon Danby patented the superconducting maglev transportation system, and after this engineers around the world raced ...

  7. Linear motor - Wikipedia

    en.wikipedia.org/wiki/Linear_motor

    Linear motors are most commonly found in high accuracy engineering [1] applications. Many designs have been put forward for linear motors, falling into two major categories, low-acceleration and high-acceleration linear motors. Low-acceleration linear motors are suitable for maglev trains and other

  8. Electromagnetic Aircraft Launch System - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_Aircraft...

    The EMALS uses a linear induction motor (LIM), which uses alternating current (AC) to generate magnetic fields that propel a carriage along a track to launch the aircraft. [5] [6] The EMALS consists of four main elements: [7] The linear induction motor consists of a row of stator coils with the same function as the circular stator coils in a conventional induction motor.

  9. Maglev - Wikipedia

    en.wikipedia.org/wiki/Maglev

    The linear motor was naturally suited to use with maglev systems as well. In the early 1970s, Laithwaite discovered a new arrangement of magnets, the magnetic river, that allowed a single linear motor to produce both lift and forward thrust, allowing a maglev system to be built with a single set of magnets.