Research of Two-Dimensional Airflow Angular Velocity Sensor

L.H. Piao; Qi Rui Yang; J.J. Zhao

doi:10.4028/www.scientific.net/AMM.635-637.729

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 635-637Research of Two-Dimensional Airflow Angular...

Research of Two-Dimensional Airflow Angular Velocity Sensor

Abstract:

Proposed a two-dimensional air-angular velocity sensor. Dual vertical heat resistance wire, two-dimensional angular velocity sensitive; By simply supported edge piezoelectric pump support to improve the sensitivity of the sensor; Using stacked sheet round table groove type nozzle, improved stability and repeatability of the sensor; Using software compensation processing to improve the temperature performance and linearity of the sensor. Experimental results show that the sensitivity of the sensor improve nearly double, Zero variation decrease from≤10% to≤0.2%, operating temperature extended from-10°C~+40°C to-45°C~+65°C, linearity decrease from≤1% to ≤0.5%, the amount of sensitivity decrease from ≤10% to≤0.6%.