Method for determining route angles

Details Method for determining route angles Method for determining route angles

1986-12-19

1989-09-26

Chin, Gary

Boots, shoes, and leggings

33356, 33357, 324245, G01C 1738

Patent

active

048706027

ABSTRACT:
A method for the determining route angle and for automatically calibrating course accuracy with a three-axis magnetometer fixed to an aircraft despite the presence of interfering vehicle magnetic fields and instrumentation errors. The method is accomplished in flight and includes numerous computations to compensate the magnetometer's principal error sources. A calibration flight includes specified flight maneuvers (without change of position). The method is particularly suitable for helicopters equipped with three-axis magnetometers.

REFERENCES:
patent: 3728525 (1973-04-01), Adkar
patent: 4303978 (1981-12-01), Shaw et al.
patent: 4321678 (1982-03-01), Krogmann
patent: 4347730 (1982-09-01), Fisher et al.
patent: 4414753 (1983-11-01), Moulin et al.
patent: 4725957 (1988-02-01), Alberter et al.

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