Method for testing triaxiality magnetic sensor
A test method and sensor technology, applied in the field of measurement, can solve problems such as large measurement errors, inability to overlap, and measurement errors, and achieve the effect of overcoming inaccurate placement and direction
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[0012] The present invention will be further described below in conjunction with embodiment.
[0013] The testing method of the three-axis magnetic sensor of the present invention comprises the following steps:
[0014] (1) Generate zero magnetic field space. Field weakening measurements need to be carried out in zero magnetic space. The so-called zero magnetic field space is a space in which the earth's magnetism is offset to zero by a certain method. Two methods are generally used to establish a zero magnetic space. One is to establish a coil system to offset the geomagnetism, and the other is to shield the geomagnetism by shielding. Both approaches have pros and cons. The present invention employs a coil system approach. The specific method is to use a digital meter to monitor the three output values of the standard three-axis magnetic sensor, and adjust the zero magnetic field current so that the three-direction output values of the standard three-axis magnetic sen...
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