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1.发明授权Total air temperature probe and method for reducing de-icing/anti-icing heater error 有权用于减少除冰的错误/ Eisschutzheizelementes总空气温度探测器和方法
公开(公告)号：EP2317293B1
公开(公告)日：2017-01-04
申请号：EP10251893.3
申请日：2010-11-02
Applicant: ROSEMOUNT AEROSPACE INC.
Inventor： Wigen, Scott John
CPC classification number: G01K13/02 , G01K7/42 , G01K15/005 , G01K2013/024
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2.发明公开Total air temperature probe and method for reducing de-icing/anti-icing heater error 有权用于减少除冰的错误/ Eisschutzheizelementes总空气温度探测器和方法
公开(公告)号：EP2317293A3
公开(公告)日：2014-07-02
申请号：EP10251893.3
申请日：2010-11-02
Applicant: ROSEMOUNT AEROSPACE INC.
Inventor： Wigen, Scott John
CPC classification number: G01K13/02 , G01K7/42 , G01K15/005 , G01K2013/024
Abstract: A method of reducing de-icing heater error (DHE) in total air temperature (TAT) probes is provided. Using the method, a nominal DHE function is obtained for a particular type of TAT probe, with the nominal DHE function having been derived from a plurality of TAT probes of the particular type. A probe specific correction coefficient is calculated for an individual TAT probe of the particular type as a function of a measured DHE at a first airflow and a predicted DHE at the first airflow. The predicted DHE at the first airflow is determined using the nominal DHE function derived from the plurality of TAT probes of the particular type. The probe specific correction coefficient is then stored for later use, or used to determine DHE with the individual TAT probe over a range of airflows as a function of the probe specific correction coefficient.
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3.发明公开Total air temperature probe and method for reducing de-icing/anti-icing heater error 有权用于减少除冰的错误/ Eisschutzheizelementes总空气温度探测器和方法
公开(公告)号：EP2317293A2
公开(公告)日：2011-05-04
申请号：EP10251893.3
申请日：2010-11-02
Applicant: ROSEMOUNT AEROSPACE INC.
Inventor： Wigen, Scott John
CPC classification number: G01K13/02 , G01K7/42 , G01K15/005 , G01K2013/024
Abstract: A method of reducing de-icing heater error (DHE) in total air temperature (TAT) probes is provided. Using the method, a nominal DHE function is obtained for a particular type of TAT probe, with the nominal DHE function having been derived from a plurality of TAT probes of the particular type. A probe specific correction coefficient is calculated for an individual TAT probe of the particular type as a function of a measured DHE at a first airflow and a predicted DHE at the first airflow. The predicted DHE at the first airflow is determined using the nominal DHE function derived from the plurality of TAT probes of the particular type. The probe specific correction coefficient is then stored for later use, or used to determine DHE with the individual TAT probe over a range of airflows as a function of the probe specific correction coefficient.
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