An attitude sensing system and method for measuring inclination angle
A technology of attitude sensing and axis measurement, which is applied in the direction of measuring device, measuring inclination, surveying and navigation, etc., can solve the problem of large measurement error, and achieve the effect of accurate and high reliability of measurement results
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Embodiment 1
[0041] This embodiment provides an attitude sensing system, such as figure 1 , including: an inclination sensor module and a processing unit. Among them, such as figure 2 ,The inclination sensor module includes four inclination sensors, the four inclination sensors are arranged in the same plane along the measuring axis, two of which are arranged in the same direction as the measuring axis, and two are arranged in the opposite direction to the measuring axis, and the four inclination sensors Output the initial inclination signal respectively. In order to facilitate data recording, the four sensors are numbered, the two sensors that are the same as the measuring axis are numbered No. 1 and No. 2, and the sensors that are opposite to the measuring axis are numbered No. 3 and No. 4.
[0042] Wherein, the processing unit is used to process the initial inclination signal to obtain the value of the inclination to be measured; the signal input end of the processing unit is connect...
Embodiment 2
[0066] On the basis of Embodiment 1, this embodiment provides a method for measuring an inclination angle, including:
[0067] Obtain the output values of the four dual-axis inclination sensors, as shown in Table 4;
[0068] Judging a faulty inclination sensor according to a preset fault detection threshold and the output value, eliminating the faulty inclination sensor to obtain an effective inclination sensor;
[0069] In this embodiment, the fault detection threshold value A=0.01 is set;
[0070] Read the outputs of the two inclination sensors (No. 1 and No. 2) in the same direction as the measuring axis as Y1 and Y2 respectively, and the outputs of the two inclination sensors (No. 3 and No. 4) opposite to the measuring axis are Y3 , Y4; the output of the dual-axis inclination sensor includes x-axis and y-axis output, and the x-axis and y-axis outputs are considered separately during fault detection, that is, the x-axis output values of the four sensors are detected fi...
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