Railways – Magnetically suspended car – Including means to sense or control car position or attitude...
Patent
1986-02-26
1988-08-16
Reeves, Robert B.
Railways
Magnetically suspended car
Including means to sense or control car position or attitude...
B60L 1306
Patent
active
047635789
ABSTRACT:
A method for controlling a magnetic suspension vehicle which is guided by means of levitation and guidance magnets (magnetic wheels) along a track by means of individual magnet controls for each magnetic wheel. The controller signals (U.sub.R) or at least portions (U.sub.Su) of these signals are stochastically falsified for the individual magnet controls during standstill suspension or at low travel velocities of the magnetic suspension vehicle independently of each other. Thereby, the central interference possibilities of the track to the system vehicle/track are decentralized and asynchronized, so that all controls act independently of each other and the magnetic suspension vehicle or the dynamic overall system can be kept stable also at standstill and at low travel velocities.
REFERENCES:
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patent: 3512852 (1970-05-01), North
patent: 3526886 (1970-09-01), Lubich
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patent: 3881651 (1975-05-01), Wilhelm, Jr.
patent: 3968753 (1976-07-01), Breitling
patent: 4505206 (1985-03-01), Gottzein
"Control Systems for Operating the Long Sktor Maglev Vehicle TRO5" IEEE-1980 KOERV, pp. 23-34.
Messerschmitt-Bolkow-Blohm GmbH
Reeves Robert B.
Werny Scott H.
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