Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Railway vehicle
Patent
1998-02-23
2000-09-12
Cuchlinski, Jr., William A.
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Railway vehicle
701 20, 246 6, 104284, G06F 1700, G06F 700
Patent
active
06119056&
ABSTRACT:
A method and an apparatus for generating a sensor signal related a track-banking angle of a banked section of track traversed by a train car wherein a track-banking angle value basically is determined from measured values of the rolling angular speed and yaw speed of the car chassis. A track-banking angle (.PHI.g) is determined in an observer unit (2), preferably estimated by use of an inverse gyro system simulation (10) of a measured-value generator (6), and compared, as an estimated track-banking angle (.PHI.gb), to a track-banking angle (.PHI.gs) determined from the transverse acceleration (aq), the yaw speed (.omega.G) and the train speed (v), as information about the track-banking angle (.PHI.g). A resulting difference (.DELTA..PHI.g) is filtered via a regulating circuit formed by a feedback from a comparator (11) to the inverse gyro system simulator (10). This signal, in the form of a track-banking angle (.PHI.b), as the signal representing the real track-banking angle (.PHI.g), can be fed subsequently to an angle-of-inclination generator unit (4) for generating an actuation and switching signal (.phi..sub.N) for controlling the car chassis inclination. A further observer unit (3) can be integrated into the system for increasing the dynamics. Track path data and track geometries are stored in this further observer unit (3), so that when a track path is recognized, it is possible to preset a control system (5) or the actual car-body inclination system (1).
REFERENCES:
patent: 4235402 (1980-11-01), Matty et al.
patent: 4267736 (1981-05-01), Westbeck
patent: 4459668 (1984-07-01), Inoue et al.
patent: 5471387 (1995-11-01), Wood et al.
Arthur Gertrude
Cuchlinski Jr. William A.
Kunitz Norman N.
TZN Forschungs-und Entwicklungszentrum
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