Propeller synchrophaser control with trajectory logic

Details Propeller synchrophaser control with trajectory logic Propeller synchrophaser control with trajectory logic

1989-06-16

1991-08-27

Wayner, William E.

Fluid reaction surfaces (i.e., impellers)

With control means responsive to non-cyclic condition...

Plural distinct impellers having related control

416 35, B64C 1150

Patent

active

050429655

ABSTRACT:
An apparatus for controlling the phase of a slave propeller relative to that of a master propeller is shown and described. A logic means having a trajectory function, F(.phi..sub.E), which defines the region for phase holding, i.e. where the error correction signal, .phi..sub.EC, equals phase error .phi..sub.E. In the region of phase holding, normal control is achieved and there is no slipping of control from a first propeller blade to a second propeller blade.

REFERENCES:
patent: 4653981 (1987-03-01), Harner et al.
patent: 4659283 (1987-04-01), Niessen et al.
patent: 4900226 (1990-02-01), Vries

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