13 October 2008 The azimuth error compensation for inclinometer based on gyrocompass
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The azimuth error of inclinometer based on gyrocompass changes with different azimuths and incline angles. It has good repeatablility, but it is hard to be described in analytical expression. So a two-dimension look-up table method is proposed to compensate the azimuth error. The testing data in turn-table is used to form the two-dimension data table, which reflects the relationship among the azimuth error, the azimuth and incline angle. And the error characteristic of azimuth error is expressed exactly. Combined with the look-up table method and interpolation method, the azimuth error can be solved exactly and continuously. Turn-table experiments show that this method can increase the measurement accuracy of azimuth greatly, and it has been used for practical orientation in oilfield successfully.
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Yanshun Zhang, Yanshun Zhang, Yue Wang, Yue Wang, Hong Li, Hong Li, } "The azimuth error compensation for inclinometer based on gyrocompass", Proc. SPIE 7128, Seventh International Symposium on Instrumentation and Control Technology: Measurement Theory and Systems and Aeronautical Equipment, 71280T (13 October 2008); doi: 10.1117/12.806577; https://doi.org/10.1117/12.806577


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