Power transmission

Details Power transmission Power transmission

1986-07-28

1987-12-22

Wayner, William E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Electrical input and feedback signal means

13762411, 34087004, 364571, F15B 1316, F17D 300

Patent

active

047140054

ABSTRACT:
A system and method for remotely measuring and linearizing flow characteristics, specifically velocity characteristics, of an electrohydraulic servo valve and actuator system. A plurality of raw command signals are generated in sequence, and corresponding motion data at the valve and load (including the actuator) are measured and stored. A linearized characteristic is then generated corresponding to the range of motions measured, and a look-up table is generated which relates raw command signals to command signals necessary to obtain the desired linear motion characteristics.

REFERENCES:
patent: 3654446 (1972-04-01), Gordon et al.
patent: 4496889 (1985-01-01), Fukuyama et al.
patent: 4523286 (1985-06-01), Koga et al.
patent: 4594538 (1986-06-01), Schmitt

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