Railroad car body rotation control system

A control system wherein an electronic control unit (14) generates a drive signal for a hydraulic device (13l, 13r, 15) for rotating the body (11) of a railroad car (3) about a longitudinal axis (G) of the car to reduce the non-compensated transverse acceleration to which the passengers are subjecte...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JACAZIO, GIOVANNI, BALOSSINI, GUALTIERO, BOZZOLA, PIERO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	PERFORMING OPERATIONS PREVENTING DERAILING OF RAIL VEHICLES RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES ORARRANGEMENTS OF WHEEL AXLES RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH RAILWAYS TRANSPORTING WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAILVEHICLES
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Beschreibung
Zusammenfassung:	A control system wherein an electronic control unit (14) generates a drive signal for a hydraulic device (13l, 13r, 15) for rotating the body (11) of a railroad car (3) about a longitudinal axis (G) of the car to reduce the non-compensated transverse acceleration to which the passengers are subjected. The control system presents a differentiating circuit (37) and a proportional circuit (31), which are supplied with an error signal ( theta e) equal to the difference between a reference signal ( theta c) and a feedback signal ( theta z) indicating the actual tilt angle of the body. The outputs of the differentiating circuit (37) and the proportional circuit (31) are added to generate a drive signal for driving the hydraulic device (13l, 13r, 15); and the differentiating circuit (37) presents a derivative gain (Gd) which is a function of the derivative in time (d¦ theta e¦/dt) of the error signal ( theta e) modulus.