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Feed forward filters for state and disturbance estimation | IEEE Conference Publication | IEEE Xplore

Feed forward filters for state and disturbance estimation


Abstract:

This paper introduces a method for representing an observer as a set of decoupled filters to provide an understanding of observer design for the practitioner. The concept...Show More

Abstract:

This paper introduces a method for representing an observer as a set of decoupled filters to provide an understanding of observer design for the practitioner. The concept uses feed forward information to predict and cancel phase lag inherent in common filters. A general modeling paradigm is also proposed to simplify disturbance rejection techniques. Both ideas are applied to analyze and compare approximate differentiators, state observers, disturbance observers (DOB), unknown input observers (UIO), and extended state observers (ESO).
Date of Conference: 12-14 December 2007
Date Added to IEEE Xplore: 21 January 2008
ISBN Information:
Print ISSN: 0191-2216
Conference Location: New Orleans, LA, USA

References

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