Transducer system with velocity signal generation

Details Transducer system with velocity signal generation Transducer system with velocity signal generation

1980-09-15

1982-11-02

Dobeck, B.

Electricity: motive power systems

Positional servo systems

'sampling' systems including miscellaneous 'sampled data'...

318654, 318661, 340347SY, G05B 2102

Patent

active

043575668

ABSTRACT:
To generate a signal having at all times an amplitude directly proportional to the velocity of relatively moving members, a plurality of phase displaced position indicative signals are first generated. A pair of the position signals that are phase displaced by 90.degree. are then differentiated to provide velocity signals. Each velocity signal is applied in both its regular form and its inverted form to an analog multiplexer which receives the other position signals as control signals. The composite output of the multiplexer, after filtering to remove high frequency glitches due to sampling, is a signal having an amplitude at all times directly proportional to velocity.

REFERENCES:
patent: 3761811 (1973-09-01), Aberle et al.
patent: 3839665 (1974-10-01), Gabor

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