Supply Voltage Compensation of Hot Wire Flow Measurement Device

Автор: Wang Haitao, Lang Xiaohua, Yang Haiping, Li Ye, Yu Mengsun

Журнал: International Journal of Engineering and Manufacturing(IJEM) @ijem

Статья в выпуске: 6 vol.1, 2011 года.

Бесплатный доступ

Supply voltage compensation is important to keep the accuracy for hot wire/hot film gas flow sensors. A compensation experiment device is established, the two steps curve fitting is presented to determine the functional relations among flow、sensor output and supply voltage, the coefficient of fitting polynomial is determined by Least Square method, thus eliminating the influence of supply voltage variations. After compensation, the error is reduced to 2%. The algorithm is stabilized, easily to be fullfilled in microcontroller unit.

Two step curve fitting, supply voltage compensation, hot wire , flow sensor

Короткий адрес: https://sciup.org/15014251

IDR: 15014251

Список литературы Supply Voltage Compensation of Hot Wire Flow Measurement Device

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