Synchronous position correction system for a linear synchronous

Details Synchronous position correction system for a linear synchronous Synchronous position correction system for a linear synchronous

1992-06-26

1995-02-21

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Displacement

32420724, 246249, G01B 714, H01R 33025

Patent

active

053919874

ABSTRACT:
A synchronous position correction system for a self-controlled linear synchronous motor train includes a position detector for detecting a positional relationship between a propulsion winding provided on a track and a field pole provided on the train which is formed by a plurality of cars. A synchronous operation of the formed train is performed at a phase which is obtained by correcting a phase detected by the position detector on the basis of a difference between an average phase of the whole of the formed train and the phase detected by the position detector, at a phase which is obtained by correcting the phase detected by the position detector on the basis of a difference between the phase of a speed electromotive force of the whole of the formed train and the phase detected by the position detector, or at a phase which is detected by the position detector in conjunction with the position of a central car of the formed train. As a result, a propulsive force is prevented from being deteriorated due to a phase shift caused by an error in train length and it is possible to operate the formed train at an optimal phase at which the best efficiency is obtained.

REFERENCES:
patent: 3250983 (1966-05-01), Atkinson
patent: 4611169 (1986-09-01), Hermann
patent: 4788498 (1988-11-01), Uemura
patent: 4808923 (1989-02-01), Posseme
patent: 4866380 (1989-09-01), Meins et al.
patent: 5041785 (1991-08-01), Bogaerts et al.
patent: 5115195 (1992-05-01), Peterson et al.
patent: 5208538 (1993-05-01), Sakanishi et al.

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