Towed body yaw angle sensor

Details Towed body yaw angle sensor Towed body yaw angle sensor

1999-02-23

2000-08-29

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Testing, monitoring, or calibrating

367130, 367106, H04B 1700

Patent

active

061118176

ABSTRACT:
A towed body yaw angle sensor arrangement used to sense the angle between the axis of a tow fish and the flow of water. The water flow vector is used as the reference for correcting towed body yaw so that a magnetic compass in the towed body is aligned with the towed arrays streaming in the water flow. A yaw angle in the towed body with respect to the flow will cause errors for target bearing and skew the arrays relative to each other which will also cause errors. The flow sensor must be in the free flow off the towed body and ideally the sensing part is aligned with water current flow. Also provided is a method for sensing and correcting a yaw angle.

REFERENCES:
patent: 4554650 (1985-11-01), Brown et al.
patent: 4992999 (1991-02-01), Yerby et al.
patent: 5412621 (1995-05-01), Hepp
patent: 5844860 (1998-12-01), Miller

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