Servo-mechanism for controlling velocity and position of a contr

Details Servo-mechanism for controlling velocity and position of a contr Servo-mechanism for controlling velocity and position of a contr

1974-04-12

1976-04-13

Schaefer, Robert K.

Electricity: motive power systems

Positional servo systems

Vehicular guidance systems with single axis control

318635, 91363A, F15B 903, G05B 1136

Patent

active

039506878

ABSTRACT:
A servo-system for controlling position as well as rate of movement of a controlled device. Any command signals are processed or shaped prior to comparison with the feedback position signals. This processing includes integration at one of two available integration rates in accordance with the magnitude of the difference between the command and shaped command signals to correct for synchro non-linearities. The processing also includes limiting the input to the integrator such that the velocity as well as position of the controlled member is controlled.
A fail-detect system monitors critical signals and power levels and distinctively indicates a failure if any is detected.

REFERENCES:
patent: 3160880 (1964-12-01), Aires
patent: 3201675 (1965-08-01), Curran et al.
patent: 3428149 (1969-02-01), Burch
patent: 3510737 (1970-05-01), Brown et al.
patent: 3701992 (1972-10-01), Allen
patent: 3735230 (1973-05-01), Gerighausen et al.
patent: 3748565 (1973-07-01), Wilson et al.
patent: 3819999 (1974-06-01), Platt

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