The attitude determination system of the RAX satellite

Springmann, John C.; Sloboda, Alexander J.; Klesh, Andrew T.; Bennett, Matthew W.; Cutler, James

doi:10.1016/j.actaastro.2012.02.001

Cited by 70 publications

(46 citation statements)

References 12 publications

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“…In addition to the described advantages, a similar sensor based on the same technology and also built by PNI, the MicroMag3 (basically an earlier version of the RM3100), has been flown in space on board a CubeSat (Springmann et al, 2012). The sensor, part of the RAX mission, was used as part of the attitude determination system.…”

Section: The Magneto-inductive Technologymentioning

confidence: 99%

See 1 more Smart Citation

Investigation of a low-cost magneto-inductive magnetometer for space science applications

Regoli¹,

Moldwin²,

Pellioni³

et al. 2018

Geosci. Instrum. Method. Data Syst.

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Abstract.A new sensor for measuring low-amplitude magnetic fields that is ideal for small spacecraft is presented. The novel measurement principle enables the fabrication of a low-cost sensor with low power consumption and with measuring capabilities that are comparable to recent developments for CubeSat applications. The current magnetometer, a software-modified version of a commercial sensor, is capable of detecting fields with amplitudes as low as 8.7 nT at 40 Hz and 2.7 nT at 1 Hz, with a noise floor of 4 pT/ √ Hz at 1 Hz. The sensor has a linear response to less than 3 % over a range of ±100 000 nT. All of these features make the magneto-inductive principle a promising technology for the development of magnetic sensors for both space-borne and ground-based applications to study geomagnetic activity.

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Section: The Magneto-inductive Technologymentioning

confidence: 99%

“…Originally CubeSats were mostly seen as technology demonstration platforms, however there are now missions with scientific instrumentation being flown and proposed (e.g., Moretto, 2008;Springmann et al, 2012;Klesh et al, 2013;Heine et al, 2015;Lepri et al, 2017;Goel et al, 2017;Zurbuchen et al, 2016).…”

Section: Measurement Approachesmentioning

confidence: 99%

Investigation of a low-cost magneto-inductive magnetometer for space science applications

Regoli¹,

Moldwin²,

Pellioni³

et al. 2018

Geosci. Instrum. Method. Data Syst.

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show abstract

“…Все эти задачи требуют определения на борту текущего углового положения спутника. Для этого используются измерения солнечных датчиков [1], магнитометров [2,3], датчиков угловой скорости [4,5] и даже миниатюрных звездных датчиков [6,7]. Однако тенденция к миниатюризации спутников требует все меньшего аппаратного состава, в том числе в части используемых датчиков ориентации.…”

Section: Introductionunclassified

Satellite magnetic attitude: Lyapunov control and determination using electromotive force in magnetorquers

Ivanov

Roldugin

2018

KIAM Prepr.

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“…• [9]. A natural improvement to this is to use additional photodiodes mounted in various orientations over the spacecraft body to achieve three-component sun sensing in all directions.…”

Section: Introductionmentioning

confidence: 99%

“…This photodiode scheme is extremely common on CubeSats and other small spacecraft [8][9][10][11][12] because of its simplicity and low cost 1 . One configuration that is typical of CubeSats is to mount the photodiodes orthogonal to each other by placing one on each surface of the spacecraft [8,9,12]. However, this configuration does not provide three-component sun sensing in all directions because the conical field of view of photodiodes is typically less than 180…”

Section: Introductionmentioning

confidence: 99%

On-Orbit Calibration of Photodiodes for Attitude Determination

Springmann

Cutler

2014

Journal of Guidance, Control, and Dynamics

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This paper presents a method for on-orbit calibration of photodiodes for sun sensing in an attitude determination system. The calibration estimates the scale factors and alignment angles of the photodiodes, resulting in higher attitude determination accuracy than achieved with the pre-flight calibration parameters. The calibration is implemented with an extended Kalman filter to simultaneously estimate spacecraft attitude and the calibration parameters. This approach, as opposed to an attitude-independent method, enables the calibration of an arbitrary number of photodiodes mounted in any orientation on the spacecraft and facilitates the use of an attitude-dependent Earth albedo model. The method is demonstrated by application to flight data from the RAX-2 satellite and results in an average angular improvement of 10• in sun vector measurements with the photodiodes. Attitude determination accuracies of below 1• in each axis are demonstrated using the calibrated photodiodes in combination with a low-cost three-axis magnetometer and rate gyroscope.

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The attitude determination system of the RAX satellite

Cited by 70 publications

References 12 publications

Investigation of a low-cost magneto-inductive magnetometer for space science applications

Investigation of a low-cost magneto-inductive magnetometer for space science applications

Satellite magnetic attitude: Lyapunov control and determination using electromotive force in magnetorquers

On-Orbit Calibration of Photodiodes for Attitude Determination

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