Rule-based data tracking scheme to reduce the effects of creeping

Hing Kai Chan

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Creeping is a time dependent characteristic and is an intrinsic problem in piezoresistive (e.g., strain gauge) transducers. The creeping behavior of a transducer limits the performance of it in high-resolution applications due to data drifting problem over time. In other words, the effective resolution of the transducer is lower than it should be. A rule-based data tracking scheme is developed in order to reduce the effects of creeping, and preserve the resolution of the transducer. The proposed scheme employs rule-based intelligent system technique and is easy to implement with advanced low cost microcontroller. Testing results of the proposed scheme are also presented in this paper.
Original languageEnglish
Pages (from-to)1192-1195
Number of pages4
JournalIEEE Sensors Journal
Issue number10
Publication statusPublished - 2009

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