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dc.contributor.authorValente, A.-
dc.contributor.authorCouto, Carlos-
dc.contributor.authorCorreia, J. H.-
dc.identifier.citationINTERNATIONAL CONFERENCE ON SOLID-STATE SENSORS AND ACTUATORS, 11, Munich, 2001 - "International Conference on Solid-State Semsors and Actuators". [Munich, Springer], 2001eng
dc.description.abstractThis paper reports the design, modelling, fabrication and assembly of a silicon bulk-micromachined soil moisture microsensor using the Dual-Probe Heat-Pulse (DPHP) method. Soil humidity measurement is essential to studysoil preservation and control the development of plants, namely in closed ecosystem. The DPHP method uses a heater (Peltier effect) and a temperature probe (Seebeck effect) to determine the volumetric heat capacity of the soil and hence water content ( θv). This is the first time that the DPHP method is implemented in a microdevice and the first integrated sensor for soil moisture. This microdevice is more suited to measure at different soil depths in a non-destructive and automated manner.eng
dc.description.sponsorshipAgricultural and Agro-industrial Science and Technology Institute of the University of Trás-os-Montes and Alto Douro.eng
dc.publisherSpringer eng
dc.subjectSoil moisture sensoreng
dc.subjectSoil water contenteng
dc.subjectHeat capacity sensoreng
dc.subjectIntegrated microsensoreng
dc.titleOn-chip integrated silicon bulk-micromachined soil moisture sensor based on the DPHP methodeng
Appears in Collections:DEI - Artigos em atas de congressos internacionais

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