Geometric Predicted Unscented Kalman Filtering in Rotate Magnetic Ranging

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概要

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• Rotate magnetic field can be used for ranging, especially the environment where electronic filed suffers a deep fading and attenuation, such as drilling underground. However, magnetic field is still affected by the ferromagnetic materials, e.g., oil casing pipe. The measurement error is not endurable for single measurement. In this paper, the Geometric Predicted Unscented Kalman Filtering (GP-UKF) algorithm is developed for rotate magnetic ranging system underground. With GP-UKF, the Root Mean Square Error (RMSE) can be suppressed. It is really important in a long range detection by magnetic field, i.e., more than 50 meters.

著者

• ZHANG Chao

  Labs of Avionics, School of Aerospace Tsinghua Univ.

• PANG Keke

  Labs of Avionics, School of Aerospace Tsinghua Univ.

• ZHANG Yaxin

  Labs of Avionics, School of Aerospace Tsinghua Univ.

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• Geometric Predicted Unscented Kalman Filtering in Rotate Magnetic Ranging
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