Control system

Details Control system Control system

1989-06-27

1990-12-25

Shoop, Jr., William M.

Electricity: motive power systems

Positional servo systems

Digital or numerical systems

318628, 31856819, 114144E, 114144R, 114144RE, G05B 1931

Patent

active

049806289

ABSTRACT:
An electronic processing circuit 17 compares digital signals representing the position of a number of mutually connected control members to the contents of an electronic memory 18. On detecting a difference indicating the displacement of the position of one of the control members, the circuit 17 actuates those motors of motors 4, 5, 6 which are associated with the non-actuated control members in order to make them folllow the displacement. Excessive displacements indicating a fault are shown on an indicator 19.

REFERENCES:
patent: 3865063 (1975-02-01), Norton
patent: 4301759 (1981-11-01), de Vries
patent: 4510574 (1985-04-01), Guittet
patent: 4661032 (1987-04-01), Arai

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