Magnetometer-Only Attitude Determination Using Novel Two-Step Kalman Filter Approach

Searcy, Jason D.; Pernicka, Henry J.

doi:10.2514/1.57344

Cited by 43 publications

(20 citation statements)

References 7 publications

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“…Had CINEMA successfully detumbled and spun up, then the method described here would not have been required since sun sensor data could have been combined with that from MAGIC to uniquely define the spacecraft attitude (Vega et al, 2009). On the other hand, more sophisticated methods of magnetometer-only attitude determination do exist (Natanson et al, 1990;Searcy and Pernicka, 2012). These methods would necessitate further modelling than is possible for CINEMA since they require measures of the spacecraft inertia tensor and any external torques (such as gravity gradients and drags) acting upon it.…”

Section: Discussionmentioning

confidence: 99%

The MAGIC of CINEMA: first in-flight science results from a miniaturised anisotropic magnetoresistive magnetometer

et al. 2015

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Abstract. We present the first in-flight results from a novel miniaturised anisotropic magnetoresistive space magnetometer, MAGIC (MAGnetometer from Imperial College), aboard the first CINEMA (CubeSat for Ions, Neutrals, Electrons and MAgnetic fields) spacecraft in low Earth orbit. An attitudeindependent calibration technique is detailed using the International Geomagnetic Reference Field (IGRF), which is temperature dependent in the case of the outboard sensor. We show that the sensors accurately measure the expected absolute field to within 2 % in attitude mode and 1 % in science mode. Using a simple method we are able to estimate the spacecraft's attitude using the magnetometer only, thus characterising CINEMA's spin, precession and nutation. Finally, we show that the outboard sensor is capable of detecting transient physical signals with amplitudes of ∼ 20-60 nT. These include field-aligned currents at the auroral oval, qualitatively similar to previous observations, which agree in location with measurements from the DMSP (Defense Meteorological Satellite Program) and POES (Polar-orbiting Operational Environmental Satellites) spacecraft. Thus, we demonstrate and discuss the potential science capabilities of the MAGIC instrument onboard a CubeSat platform.

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Section: Discussionmentioning

confidence: 99%

The MAGIC of CINEMA: first in-flight science results from a miniaturised anisotropic magnetoresistive magnetometer

et al. 2015

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“…The state vector and its propagation equations are given by (37), (42), and (43) and much of the notation is analogous to that of Section II. The 6×1 state error vector, x, with small angles for the attitude errors obeys the following equation, which uses the white noise vectors in (38)- (39):…”

Section: Comparison With Ekf Using Small Angle Approximationsmentioning

confidence: 99%

“…The results will also be of interest to designers and users of a plethora of autonomous inertial navigational systems and unmanned vehicles these days, most of which use inertial measurement units comprising of gyros and accelerometers. This scenario also demonstrates to the broader technical community the ''magnetometer-only'' spacecraft attitude determination or attitude-and-rate determination capability which has evolved during the past three decades [24], [29]- [37]. Such a capability is possible on spacecraft because the magnetic field is constantly changing direction in the Body frame as the spacecraft orbits the Earth.…”

Section: Introductionmentioning

confidence: 94%

A Simple Attitude Unscented Kalman Filter: Theory and Evaluation in a Magnetometer-Only Spacecraft Scenario

Challa

Moore

Rogers³

2016

IEEE Access

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A quaternion-based attitude unscented Kalman filter is formulated with quaternion errors parameterized by small angle approximations and is applied to a filter with a state vector consisting of the attitude quaternion and the gyro bias vector. The filter is evaluated using extensive Monte Carlo data in a simulated lost-in-space scenario of a low-Earth orbiting spacecraft processing only three-axis magnetometer and gyro measurements. The filter is found to be robust, accurate, and rapidly convergent in this scenario for small true gyro biases and small initial uncertainties in their values, often converging in only one half of an orbit period to an attitude accuracy of 0.1 degrees. The filter convergence is found to depend significantly on the value of the true gyro biases as well as the initial gyro bias covariances. Monte Carlo results also indicate that this unscented Kalman filter is significantly less robust than an extended Kalman filter with the same attitude approach, but performs slightly better than another unscented Kalman filter with a generalized Rodrigues parameter approach to quaternion errors.

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“…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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Magnetometer-Only Attitude Determination Using Novel Two-Step Kalman Filter Approach

Cited by 43 publications

References 7 publications

The MAGIC of CINEMA: first in-flight science results from a miniaturised anisotropic magnetoresistive magnetometer

The MAGIC of CINEMA: first in-flight science results from a miniaturised anisotropic magnetoresistive magnetometer

A Simple Attitude Unscented Kalman Filter: Theory and Evaluation in a Magnetometer-Only Spacecraft Scenario

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

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