Linear motion is rather common in the industry, and linear electric motors (LEMs) can
provide it directly (without a mechanical transmission) through electromagnetic field forces …

This document reviews the current state of the art in the linear machine technology. First, the
recent advancements in linear induction, switched reluctance and permanent magnet …

Linear induction motors (LIMs) have been extensively adopted in urban railway
transportation given their nonadhesion thrust and simple stator structure. However, these …

Dual-linear-motor-driven gantry systems have been widely used in high-speed or heavy
payload precision motion systems. Due to the unique physical properties such as …

To incorporate the merits of simple and robust movers of induction linear motors and higher
power factor and high efficiency of permanent magnet linear motors, a new long primary …

Regarding the different capabilities, linear motors have been employed in many applications
in industry. Among different linear motors, single-sided linear induction motors (SLIMs) have …

An air-bus system is proposed as one alternative to urban mass transportation. The
propulsive force of this system is generated by a linear motor. Several single-or double …

The linear induction motor (LIM) drive in linear metros suffers heavily from low efficiency due
to its large air-gap length and the partial load conditions, where high loss appears in both …

In order to improve the performance of linear induction motors for urban rail transit, the
ladder-slit secondary is designed, and the performance of linear induction motors with the …

Flux estimation is of great importance for high-performance linear induction motor (LIM)
drives. However, due to the end effects of LIMs, range of variation in mutual inductance and …