Mine gyro clinometer strapdown inertial navigation system attitude calculation and zero-speed correction method
A technology of gyro inclinometer and strapdown inertial navigation, which is used in surveying and navigation, navigation through speed/acceleration measurement, instruments, etc., and can solve problems such as difficulty in implementation
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[0089] The strapdown inertial navigation solution and zero-speed correction algorithm provided by the present invention are suitable for strapdown inertial navigation systems composed of various types of gyroscopes, and the strapdown inertial navigation system composed of MEMS gyroscopes and MEMS accelerometers is used as an example. .
[0090] The hardware circuit structure diagram of the gyro inclinometer of the present invention is as follows: image 3 As shown, it includes a sensor data acquisition module, a single-chip minimum system, a temperature detection module, a CAN communication module, and a storage module. Among them, the attitude sensors are set to collect data every 0.1S, and the arrangement of the sensitive axes is as follows Figure 4 shown. The gyro inclinometer is fixed on the three-axis turntable. After completing the attitude angle setting of the turntable, the system is powered on and preheated for five minutes. After five minutes, the attitude sensor ...
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