Smart sensors in industry

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Abstract
Technological progress in microelectronics has contributed to the emergence of the concept of the 'smart' or 'intelligent' sensor. A smart sensor will be essentially composed of: transducers; conditioners; an appropriate power supply; an inner computation capability; a communication interface, for digital information; and an identification. The technologies involved for these components are discussed. These include: synergy with local industrial networks; modularity and standardisation; enhanced credibility of data (maintenance assistance, validation of measurements); increased reliability and accuracy; and a reduction in associated costs (particularly wiring).

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