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A linear motor is an electric motor that has had its stator and rotor "unrolled", thus, instead of producing a torque , it produces a linear force along its length. However, linear motors are not necessarily straight. Characteristically, a linear motor's active section has ends, whereas more conventional motors are arranged as a continuous loop.
The linear motor and its application to tracked hovercraft (1971) Linear electric motors (1971) Mills & Boon Monographs and Technical Library; Experiments with a linear induction motor (1971) Exciting electrical machines (1974) All things are possible: an engineer looks at research and development (1976) Transport without wheels ed. (1977)
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 ...
The motor may not reach this theoretical speed because there are non-linear mechanical losses. On the other hand, if the motor is driven as a generator, the no-load voltage between terminals is perfectly proportional to the RPM and true to the K v {\displaystyle K_{\text{v}}} of the motor/generator.
The US DoT's LIMTV is typical of the "sandwich motor" designs. A linear induction motor (LIM) is essentially a conventional induction motor with its primary "unwound" and laid out flat. The rotor, normally consisting of a series of conductors wound onto a form of some sort, is replaced by a sheet of magnetically susceptible metal.
Born in Ulm, Faulhaber was a trained weaver who later took the role of a surveyor of the city of Ulm.He collaborated with Johannes Kepler and Ludolph van Ceulen.In 1620, while in Ulm, Descartes probably corresponded with Faulhaber to discuss algebraic solutions of polynomial equations.
A straight-line mechanism is a mechanism that converts any type of rotary or angular motion to perfect or near-perfect straight-line motion, or vice versa. Straight-line motion is linear motion of definite length or "stroke", every forward stroke being followed by a return stroke, giving reciprocating motion.
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.
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