High accuracy shaft angle linear DC voltage conversion using low

Details High accuracy shaft angle linear DC voltage conversion using low High accuracy shaft angle linear DC voltage conversion using low

1978-11-13

1981-03-03

Rubinson, Gene Z.

Electricity: motive power systems

Positional servo systems

With particular 'error-detecting' means

340347SY, G05B 106

Patent

active

042543690

ABSTRACT:
In order to provide high accuracy shaft angle to linear DC voltage conversion using low accuracy devices, a linear synchro is excited by a 2.5 KHZ square wave which is power buffered, the square wave also used to synchronously demodulate the output of the wound component by sampling and a demodulated voltage then filtered and scaled to the required levels using commonly available operational amplifiers.

REFERENCES:
patent: 3505669 (1970-04-01), Welch
patent: 3510867 (1970-05-01), Sliwa
patent: 3735391 (1973-05-01), Games et al.
patent: 3849774 (1974-11-01), Barth

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