Artillery Orientation via Distributed MEMS Inertial Sensing

Award Information
Agency: Department of Defense
Branch: Army
Contract: DAAE30-02-C-1033
Agency Tracking Number: A012-1441
Amount: $119,991.00
Phase: Phase I
Program: SBIR
Awards Year: 2002
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
Information Technologies Div., 20600 Gramercy Plac, Torrance, CA, 90501
DUNS: 153865951
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Stephen Kupiec
 Group Leader
 (310) 320-3088
Business Contact
 Gordon Drew
Title: Chief Financial Officer
Phone: (310) 320-3088
Research Institution
"Determining the precise position, bearing and inclination of field artillery is essential for accurate fire. The rapid pace of modern warfare and the increasing efficiency of modern counterbattery methods dictates regular movement of artillery, obviatingconventional survey techniques and placing increasing emphasis on the use of internal inertial navigation systems (INS) and of GPS. Present INS systems are vulnerable to shock, and are bulky and limited in accuracy. Physical Optics Corporation proposes todevelop a novel distributed reference inertial artillery direction (DRIAD) system consisting of a distributed redundant network of MEMS inertial sensors coupled with carrier differential GPS receivers, which sense the movement and rotation of theartillery. This information is processed with data from existing sources to optimally estimate the position, bearing, and orientation of the artillery. A combination of Kalman and spatial operator algebra methods are employed for optimal fusion andtracking of the artillery. An optional detached inertial sensor will enable the system to recover rapidly from recoil transients. In Phase I, MEMS components will be selected and integrated into a preliminary sensor node design with COTS CarrierDifferential GPS modules, and evaluated with preliminary data fusion algorithms. DRIADs in Army vehicles and UGVs will provide extremely precise information on the position and more importantly the orien

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

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