Study on Influence on Sensitive of Thermosensitive Element to Open Jet Angular Velocity Sensor

The mechanism of the influence of the setting of the thermal sensor on the sensitivity of the open jet angular velocity sensor is explained. Using the fluid-solid coupling method, the distribution of gas velocity at different input angular velocities at the thermosensitive element in the sensor is c...

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Veröffentlicht in:2019 IEEE 4th Advanced Information Technology, Electronic and Automation Control Conference (IAEAC) Jg. 1; S. 2105 - 2109
Hauptverfasser: Wang, Yuxin, Piao, Linhua, Li, Bei
Format: Tagungsbericht
Sprache:Englisch
Veröffentlicht: IEEE 01.12.2019
Schlagworte:
Angular velocity
Couplings
Fluid-solid coupling
Open jet angular velocit y sensor
Sensitive mechanism
Thermal resistance
Thermal sensors
Thermistor
Thermistors
Wires
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Zusammenfassung:The mechanism of the influence of the setting of the thermal sensor on the sensitivity of the open jet angular velocity sensor is explained. Using the fluid-solid coupling method, the distribution of gas velocity at different input angular velocities at the thermosensitive element in the sensor is calculated. The calculation results show that when the angular velocity is input around Z axis, the distance d=0.6mm between the thermistor wires can reduce the influence of eddy current in the jet sensitive chamber, increase the temperature change of the thermistor wires, thus increase the output voltage of Wheatstone bridge, and improve the sensitivity of the open jet angular velocity sensor.
DOI:10.1109/IAEAC47372.2019.8997917