New sensors are required to be small, cheap, and smart. This paper deals with intelligent sensors embedded in a single chip: a VHDL model of an IEEE1451.2 Smart Sensor is proposed to obtain a portable STIM block suitable for customizable compact solutions and allowing low-cost, large-scale production. In order to evaluate performances of the proposed model, working prototypes have been built and some tests have been carried out in a real case (chemical detection sensors). The proposed VHDL model has been compared with traditional, software-based, microcontroller solutions showing that a timing performance improvement greater than 50% can be obtained. Finally, to exemplify effectiveness of a portable VHDL model, a single-chip sensor with USB interface and integrated IEEE1451 structures has been realized and experimentally characterized.
A VHDL Model of a IEEE1451.2 Smart Sensor: Characterization and Applications
DEPARI, Alessandro;FERRARI, Paolo;FLAMMINI, Alessandra;MARIOLI, Daniele;TARONI, Andrea
2007-01-01
Abstract
New sensors are required to be small, cheap, and smart. This paper deals with intelligent sensors embedded in a single chip: a VHDL model of an IEEE1451.2 Smart Sensor is proposed to obtain a portable STIM block suitable for customizable compact solutions and allowing low-cost, large-scale production. In order to evaluate performances of the proposed model, working prototypes have been built and some tests have been carried out in a real case (chemical detection sensors). The proposed VHDL model has been compared with traditional, software-based, microcontroller solutions showing that a timing performance improvement greater than 50% can be obtained. Finally, to exemplify effectiveness of a portable VHDL model, a single-chip sensor with USB interface and integrated IEEE1451 structures has been realized and experimentally characterized.File | Dimensione | Formato | |
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