The technology research of the airplane stick (helm) force field testing calibration

In the face of the test environment and requirement change on the plane, laboratory testing calibration method of the force parameter has been unable to meet the requirement of the present. According to the principle of force sensor, developed a new test method that can realize field calibration of the airplane stick (helm) force parameters. This article firstly has carried on the demand analysis of the airplane stick (helm) force field on-line testing calibration and finds out the key points and difficulties. Finally, we adopt this method which applies pull and pressure at the same time on the standard force sensor and the airplane stick (helm) by the special fixture, and at the same time for data acquisition. Getting the test results, the precision of the two parameters are not more than 1%. It can meet the test requirements, and demonstrates the feasibility and correctness of the test method.