The self-validating sensor: rationale, definitions and examples

M.P. Henry, D.W. Clarke

Research output: Contribution to journalArticlepeer-review

199 Citations (Scopus)


Traditionally, the industrial sensor has been viewed as a simple signal generator. The application of microprocessor technology, digital communications and fault detection techniques, coupled with increasing demands for measurement quality assurance, have rendered inadequate such a simplistic view. In this paper a new sensor model is proposed which encompasses new demands and capabilities. This self-validating sensor performs self-diagnostics and generates a variety of data types, including the on-line uncertainty of each measurement. A demonstration system is described. based upon a coriolis mass flow meter.
Original languageEnglish
Pages (from-to)585-610
Number of pages16
JournalControl Engineering Practice
Issue number4
Publication statusPublished - Aug 1993
Externally publishedYes


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