Multimode control systems

Details Multimode control systems Multimode control systems

1975-03-24

1977-06-14

Dobeck, B.

Electricity: motive power systems

Positional servo systems

Adaptive or optimizing systems including 'bang-bang' servos

318580, 244177, G05B 1300

Patent

active

040300110

ABSTRACT:
A control system exhibiting more than one system response characteristic depending on input signal parameters, and without requiring discrete switching of system components, is disclosed. At least one system input signal of varying frequency and amplitude is supplied to both high pass and low pass filters, the output of one of which is amplitude limited and additively combined with the output of the other filter to form a first intermediate control signal which is subtractively combined with the input signal to form a second intermediate control signal. The first and second intermediate control signals are passed through signal transfer elements having different signal transfer characteristics, and then combined to provide multimode response.

REFERENCES:
patent: 3184662 (1965-05-01), Wallace
patent: 3446946 (1969-05-01), Andeen
patent: 3660744 (1972-05-01), Plummer
patent: 3793574 (1974-02-01), Hamel

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