Automatic Real-Time Magnetometer Error Compensation and Calibration

Award Information
Agency: Department of Defense
Branch: Army
Contract: N61339-06-C-0010
Agency Tracking Number: A052-213-1105
Amount: $119,913.00
Phase: Phase I
Program: SBIR
Awards Year: 2005
Solicitation Year: 2005
Solicitation Topic Code: A05-213
Solicitation Number: 2005.2
Small Business Information
15 Acorn Park, Cambridge, MA, 02140
DUNS: 111046152
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Robert Fricke
 Director, Electronic Systems
 (617) 498-5180
Business Contact
 Renee Wong
Title: Contracting Officer
Phone: (617) 498-5655
Research Institution
The proposed effort in this SBIR program is to develop an auto-compensation method for field deployed, strap-down magnetometers. The solution we propose is a system solution that includes sensor design, initial calibration, use of auxiliary field sensors, and automated field compensation methods. The TIAX proposed solution considers aspects of the magnetometer, CPU, IMU, and GPS system within the player unit, to one degree or another. The principal focus of the offering is on the magnetometer and the inertial measurement unit. The output desired from an orientation measurement device is roll and pitch attitude angle with respect to the local horizontal plane, and the heading angle relative to true (geographic) North. Pitch and roll are computed from the IMU signals and are referenced to the local gravity vector. Heading angle to true North is a more complicated matter and is the principal subject of this proposed effort.

* Information listed above is at the time of submission. *

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