Electronic adhesion adaptive wheel slide protection arrangement

Details Electronic adhesion adaptive wheel slide protection arrangement Electronic adhesion adaptive wheel slide protection arrangement

1988-05-16

1990-07-10

Gruber, Felix D.

Boots, shoes, and leggings

303104, 303107, B60T 872, B60T 880, B60T 886

Patent

active

049410997

ABSTRACT:
An electronic slip control system for railway vehicle brakes having a standard slip control logic circuit responsive to axle speed and rate signals to produce a multi-bit binary number word. A primary slip control word formation circuit for converting the multi-bit binary number word to a hexidecimal number word which is conveyed to a primary slip control table. The primary slip control table circuit conveys the hexidecimal number word to a table output selection circuit. A synchronous slip control logic circuit responsive to the axle speed and rate signals to produce a multi-bit binary word. A synchronous slip control word formation circuit for converting the multi-bit binary number word to a hexidecimal number word which is conveyed to a synchronous slip control table circuit. The synchronous slip control table circuit conveys the hexidecimal number word to the table output selection circuit which causes intermediate circuit means to convey an appropriate control signal to a brake valve for preventing wheel lockup.

REFERENCES:
patent: 3398994 (1968-08-01), Smith
patent: 3951466 (1976-04-01), Guagliumi et al.
patent: 3953083 (1976-04-01), Latvala et al.
patent: 4410947 (1983-10-01), Strong et al.
patent: 4491920 (1985-01-01), Wood et al.
patent: 4665490 (1987-05-01), Masaki et al.
patent: 4701682 (1987-10-01), Hirotsu et al.
patent: 4755945 (1988-07-01), Kade et al.
patent: 4783127 (1988-11-01), Kade et al.

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