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Title: Evaluation of a commercial-off-the-shelf fluxgate magnetometer for cube sat space magnetometry
Authors: Matandirotya, E 
van Zyl, Robert Ryk 
Gouws, DJ 
Saunderson, EF 
Keywords: Commercial-off-the-shelf (COTS);Fluxgate Magnetometer;CubeSat Space Magnetometry
Issue Date: 2013
Publisher: Deepak Publishing
Abstract: A low-cost, commercial-off-the-shelf (COTS) fluxgate magnetometer suitable for space magnetometry applications on a CubeSat mission is proposed as a cost effective science grade magnetometer. Three commercialoff-the-shelf fluxgate magnetometers were identified and evaluated against the following criteria: power efficiency, weight, noise, linearity and adaptability. The evaluation was concluded with environmental testing of the selected magnetometer, which included thermal cycling, functional temperature and vibration tests as a measure of space qualification of the instrument. Separation of the sensor and electronics was one of the major modifications to enable the sensor to be deployed on a boom, which is important to minimize magnetic interference from the satellite, while the electronics board is placed within the satellite body. The LEMI-011B fluxgate magnetometer passed the environmental tests and was proposed as suitable for CubeSat deployment. The performance characteristics of the magnetometer after modification and environmental tests are as follows: 0.7 nT (rms) noise at 12.83 Hz, ±2 nT over ±60000 nT non-linearity and 0.03 W power consumption.
ISSN: 2327-4123
Appears in Collections:Eng - Journal articles (not DHET subsidised)

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