Method for synchrophaser measurement and synchrophaser control

Details Method for synchrophaser measurement and synchrophaser control Method for synchrophaser measurement and synchrophaser control

1989-04-11

1991-06-25

Black, Thomas G.

Boots, shoes, and leggings

416 34, 416 35, 60702, B64C 1150

Patent

active

050272772

ABSTRACT:
A method and apparatus for providing improved phase error measurement as shown and described. The measured phase error (.phi..sub.E) is used as an input to a SYNCHROPHASER.RTM. control which provides for phase control of a slave propeller with respect to a master. The phase error (.phi..sub.E) is the sum of the sensed phase error and 360.degree. divided by N.sub.p times .phi..sub.count minus .phi..sub.ref. .phi..sub.count is a counted number of phase discontinuities which occur in .phi..sub.S, the sensed phase. The values of .phi..sub.count and .phi..sub.E, measured phase output, may be limited in number and magnitude.

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patent: 4653981 (1987-03-01), Harner et al.
patent: 4659283 (1987-04-01), Niessen et al.
patent: 4934825 (1990-06-01), Martin

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