Magnetic anomaly homing system and method using rotationally...

Details Magnetic anomaly homing system and method using rotationally... Magnetic anomaly homing system and method using rotationally...

2006-05-02

2006-05-02

Patidar, Jay M. (Department: 2862)

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

By magnetic means

C324S326000, C324S244000

Reexamination Certificate

active

07038458

ABSTRACT:
A magnetic anomaly homing system and method utilize an array of four triaxial magnetometer (TM) sensors coupled to a non-magnetic platform. The four TM sensors are positioned at the vertices of a rectangular parallelogram. The magnetic field sensed at the four TM sensors is processed to generate complete gradient tensors and corresponding scalar gradient contractions thereof for four two-axis gradiometers formed by the array. The scalar gradient contractions define guidance control parameters used to steer the platform toward the magnetic anomaly.

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patent: 6714008 (2004-03-01), Holmes et al.
patent: 6809520 (2004-10-01), Nelson
patent: 6841994 (2005-01-01), Wiegert
patent: 6865455 (2005-03-01), Wiegert
patent: 6888353 (2005-05-01), Wiegert
patent: 2171523 (1986-08-01), None

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