Adaptive, High-Resolution Accelerometer for Extreme Dynamic Range

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$99,588.00
Award Year:
2006
Program:
SBIR
Phase:
Phase I
Contract:
FA8651-06-M-0196
Award Id:
79286
Agency Tracking Number:
F061-145-2115
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
144 Research Drive, Hampton, VA, 23666
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
840701445
Principal Investigator:
ArunMangalam
Project Manager
(757) 220-5040
arun@taosystem.com
Business Contact:
SivaMangalam
President/CEO
(757) 220-5040
siva@taosystem.com
Research Institute:
n/a
Abstract
Tao Systems proposes to develop a cost-effective, adaptive accelerometer having 60dB resolution over the dynamic range of acceleration from 0.001 to 100,000 g. We propose to combine an array of signal- and range-optimized MEMS accelerometer devices with a novel active sensor circuit (ASC) topology that has several relevant features: with a single op-amp, it has at least an order-of-magnitude higher sensitivity than a Wheatstone bridge-based circuit, can incorporate several piezoresistive gage pairs, is able to independently monitor the behavior of each piezoresistive element, and is relatively immune to EMI/RFI. In the Phase I effort, we shall design, fabricate and demonstrate a single-axis MEMS accelerometer array with an ASC-based system that will maintain a high output resolution over a dynamic range through intelligent signal processing of the device array.

* information listed above is at the time of submission.

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