diff --git a/README.md b/README.md index 989ae3b..3197b56 100644 --- a/README.md +++ b/README.md @@ -1,23 +1,6 @@ - - - - - - - - - - -# WINDGAUGE03A - -## Venturi tube-based anemometer - - - -High-endurance venturi anemometer with minimum moving parts. Automatic estimation of direction to magnetic north. - +# WINDGAUGE03A - Venturi tube-based anemometer - +High-endurance venturi anemometer with minimum moving parts. Automatic estimation of direction to magnetic north. ![WINDGAUGE03A](doc/img/WINDGAUGE03A.jpg) @@ -27,7 +10,7 @@ High-endurance venturi anemometer with minimum moving parts. Automatic estimatio ### Function principle -The measuring tube consists of an orifice, which increases airflow in the tube. The different speeds generate differential pressure, which is measured by an electronic differential pressure sensor. The same principle was used at the beginning of [aircraft airspeed measurement](https://ntrs.nasa.gov/citations/19930091190). It is advantageous due to better sensitivity at low speeds compared to [pitot-static](https://en.wikipedia.org/wiki/Pitot_tube) tube. +The measuring tube consists of an orifice, which increases airflow in the tube. The different speeds generate differential pressure, measured by an electronic differential pressure sensor. The same principle was used at the beginning of [aircraft airspeed measurement](https://ntrs.nasa.gov/citations/19930091190). It is advantageous due to better sensitivity at low speeds than [pitot-static](https://en.wikipedia.org/wiki/Pitot_tube) tube. The anemometer consists of the IMU sensor ICM-20948 which contains a magnetometer, gyroscopes, and accelerometers. The IMU allows sophisticated data acquisition for failure detection and gust wind analysis. @@ -53,7 +36,7 @@ The anemometer uses [pymlab](https://github.com/MLAB-project/pymlab) software to ##### Calibration -The anemometer should be calibrated before the first use. That ensures, the calibration of magnetometer parameters. To correctly determine the wind direction by internal magnetometer. +The anemometer should be calibrated before the first use. That ensures, the calibration of magnetometer parameters. To correctly determine the wind direction by using an internal magnetometer. python3 serial_logger.py 68 15