FORMULATION OF A MULTI-RATE KALMAN FILTER AND ITS APPLICATION TO THE NAVIGATION OF A WINGED VEHICLE.

I. Nakatani, T. Tanaka, J. Kawaguchi, K. Ninomiya

研究成果: Conference contribution

抄録

A reset-type Kalman filter for the navigation of a winged space vehicle is discussed and a triple rate Kalman filter is proposed to lighten the computation load. The basic idea is to pay attention to the existence of fast and slowly varying state variables and thus to partition the covariance matrix of the conventional Kalman filter into parts of smaller dimensions which are propagated in parallel at three different (fast, middle and slow) rates. Because of the reduction in the propagation period for the fast rate part, the approximation accuracy of time-varying system can be improved for a given computer load and a better estimation accuracy is realized. These are verified by computer simulations for the case of a reusable winged vehicle. The triple-rate filter can be extended to a multi-rate version.

本文言語English
ホスト出版物のタイトルAutomatic Control in Space
出版社Pergamon Press (IFAC Proceedings Ser n 2 1986)
ページ197-203
ページ数7
ISBN(印刷版)0080325564
出版ステータスPublished - 1986
外部発表はい

出版物シリーズ

名前Automatic Control in Space

ASJC Scopus subject areas

  • 工学(全般)

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