By Topic

Intelligent digital thermal flow sensor

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

The purchase and pricing options are temporarily unavailable. Please try again later.
2 Author(s)
F. Yiu ; Dept. of Aerosp. Eng., Ryerson Univ., Toronto, Ont., Canada ; G. Liu

In the present work, most of the original analog circuit of a conventional hot-wire anemometer is replaced with digital electronics, and a signal prediction algorithm is implemented to speed up the sensor measurement. This digital sensor also includes the following upgraded features: (1) temperature compensation over the nonlinearity characteristics of thermistors to achieve more accurate measurement, (2) direct interface to computer, (3) easy change of operational parameters and sensor configurations, and (4) energy conservation with the use of a Pulse Width Modulation (PWM) heater.

Published in:

Sensors, 2003. Proceedings of IEEE  (Volume:2 )

Date of Conference:

22-24 Oct. 2003