Agricultural machinery cooperative operation method based on smart phone
A technology for smart phones and agricultural machinery, applied in the field of agricultural applications, can solve the problems of increasing the difficulty of use and promotion, inconsistent technology and standards, and non-sharing of information, and achieve the effect of easy understanding and simple operation principle.
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[0032]Select the Mi 8 dual-frequency smart phone, and read the data such as $GPGGA, $GPRMC, and $GPGSV in the GNSS data of the mobile phone, including the longitude, latitude, ground heading of the mobile phone and the signal-to-noise ratio of the data. Due to the particularity of field work, the effective working path of the agricultural machinery (the working path of the agricultural machinery in the field strip) is a parallel reciprocating movement, the ground heading is fixed, and the round-trip difference is 180 degrees; the speed is small and does not change much during operation. According to these characteristics, we remove the data with small signal-to-noise ratio and the data whose heading is not within the required range. The sampling frequency of the GNSS data of the mobile phone is 1Hz. For further processing of the effective data after removing the noise data, the average value of the data for 5 seconds is selected as the current data. The time window will be rea...
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