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Catalytic flammable gas sensors are used for safety in places where the accumulation of flammable gasses can generate a blast. These devices measure the flammable gas concentration via the heat produced by the catalysis of the gas by a heated catalytic coating. We propose the design and implementation of a readout system based on feedback heat pulses. In the proposed system, the heat of catalysis...
This paper introduces an analytical modeling of a convective CMOS accelerometer. The device is a one-axis accelerometer based on a three bridges structure (one heater and two detectors). The modeling relies on the use of heat transfer fundamentals and is validated using experimental data issued from both test-vehicles and FEM analysis. It describes the heat conduction phenomenon that determines the...
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