Two wire position sense and control of modulating gas valve or o

Details Two wire position sense and control of modulating gas valve or o Two wire position sense and control of modulating gas valve or o

1995-01-17

1997-02-25

Ro, Bentsu

Electricity: motive power systems

Positional servo systems

Limit or end-stop control

318652, 318671, G05B 1106

Patent

active

056062362

ABSTRACT:
A method and system for controlling an electromechanical actuator assembly and measurement of actuator position via two drive wires to the actuator assembly. The system includes sensing the changing inductance of the actuator through the electrical drive line and associating the sensed inductance with a corresponding position of the actuating member.

REFERENCES:
patent: 4251762 (1981-02-01), Williams
patent: 4658858 (1987-04-01), Beale
patent: 5207239 (1993-05-01), Schwitalla

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