Designing Adaptive Conditioning Electronics for Smart Sensing

This paper presents a robust digitally programmable CMOS analogue processor designed for sensor output conditioning in embedded applications. In addition, system adaptability allows for correction of the deviations in circuit operation due to ageing, mismatch or environmental effects, lending a smar...

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Bibliographic Details
Published in:IEEE sensors journal 2010-04, Vol.10 (4), p.831-838
Main Authors: Zatorre, G., Medrano, N., Sanz, M.T., Calvo, B., Martinez, P.A., Celma, S.
Format: Article
Language:English
Subjects:
Adaptive signal processing
Angular position
Calibration
Circuits
CMOS process
Computer simulation
Conditioning
Consumer electronics
Costs
Deviation
Intelligent sensors
Microprocessors
mixed analog-digital integrated circuits
Monte Carlo methods
Robustness
Sensor phenomena and characterization
Sensor systems
Sensors
Strategy
Temperature sensors
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Summary:This paper presents a robust digitally programmable CMOS analogue processor designed for sensor output conditioning in embedded applications. In addition, system adaptability allows for correction of the deviations in circuit operation due to ageing, mismatch or environmental effects, lending a smart nature to the devices. In order to tune the free parameters of the system, two training strategies based on perturbative algorithms are compared. The processor performance is validated by adjusting the response of an angular position sensor and the insensitivity to parameter mismatch is demonstrated through high-level simulations based on Monte Carlo electrical simulation data.
ISSN:1530-437X
1558-1748
DOI:10.1109/JSEN.2009.2033463