A non-causal approach for suppressing the estimation delay of state observer

Kentaro Tsurumoto, Wataru Ohnishi, Takafumi Koseki, Nard Strijbosch, T.A.E. Oomen

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BState estimation is essential for tracking conditions which can not be directly measured by sensors, or are too noisy. The aim of this poster is to present an approach to mitigate the phase delay without compromising the noise sensitivity, by using accessible future data. Such use of future data can be possible in cases like Iterative Learning Control, where full data of the previous trial is acquired beforehand. The effectiveness of the presented approach is verified through a motion system experiment, successfully showing the state estimation improvement in time domain. The presented non-causal approach improves the trade-offs between the phase delay of the estimation and the noise sensitivity of the state observer.
Original languageEnglish
Title of host publicationProceedings of the American Control Conference (ACC 2022)
ISBN (Print)978-1-6654-5196-3
Publication statusPublished - 2022
Event2022 American Control Conference, ACC 2022 - Atlanta, United States
Duration: 8 Jun 202210 Jun 2022


Conference2022 American Control Conference, ACC 2022
Country/TerritoryUnited States

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