期刊
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
卷 60, 期 2, 页码 372-384出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIM.2010.2084230
关键词
H-2 acquisitions; Intelligent Sensor InterFace (ISIF); mixed-signal integrated circuit (IC); NOx acquisitions; sensor fusion; sensor signal conditioning; zero-emission vehicles
资金
- Tuscany Region project H2 Filiera Idrogeno
- Ministero Istruzione Universita Ricerca Fondi Investimenti Ricerca di Base
This paper addresses the detection of hydrogen leaks for safety warning systems in automotive applications and the measurement of nitrogen oxide concentration in exhaust gases of zero-emission vehicles. The presented approach is based on the development of accurate models (including nonlinearity and error sources of real building components) for all the system elements: sensors and acquisition chain. This methodology enables efficient design space exploration and sensitivity analysis, allowing an optimal analog-digital and hardware-software partitioning. Such analysis drives also the development of effective data fusion techniques to reduce the measure uncertainty (due to cross-sensitivity to other gases or to temperature/humidity variations). Such techniques have been implemented on a microcontroller-based mixed-signal embedded platform for intelligent sensor interfacing with limited complexity, suitable for automotive applications.
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