System for controlling vehicle movement over a fixed guideway

Details System for controlling vehicle movement over a fixed guideway System for controlling vehicle movement over a fixed guideway

1977-10-03

1978-10-31

Blix, Trygve M.

Railway switches and signals

Cab signal or train control

Speed-control systems

246187B, B61L 312

Patent

active

041230230

ABSTRACT:
A system is described for controlling the movement of a vehicle over a guideway having a specified length. A signal is generated which represents a commanded absolute position of the vehicle on the guideway. A vehicle position transducer provides a signal having a value representing the actual position of the vehicle on the guideway which is compared with the commanded position to provide a position error signal. The speed of the vehicle is controlled in accord with the value of the position error signal. The commanded vehicle position signal is varied with time in a manner to provide desired vehicle motion characteristics including vehicle jerk and acceleration and deceleration values. The system also provides for a constant velocity control mode.

REFERENCES:
patent: 3790779 (1974-02-01), Paddison
patent: 3934125 (1976-01-01), Macano

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