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農(nóng)業(yè)機(jī)械導(dǎo)航中的GPS定位誤差分析與建
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and Modeling of GPS Positioning Error for Navigation of Agricultural Machinery
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    摘要:

    為實現(xiàn)高精度的農(nóng)業(yè)機(jī)械導(dǎo)航，分析了GPS定位誤差及其相關(guān)性，運用時間序列分析方法建立GPS靜態(tài)和動態(tài)定位誤差的AR模型,，給出了導(dǎo)航過程中的定位誤差處理方法，并在自制的農(nóng)田智能移動平臺上進(jìn)行了實驗。結(jié)果表明,，處理后的GPS定位誤差信號的相關(guān)性明顯下降,，接近于白噪聲，定位誤差均值從

    Abstract:

    0.1951m下降為-0.0022m,。 The GPS positioning error and its correlation were analyzed, and then corresponding static and dynamic error were described as AR model by using time series methods. Finally, the process for dealing with the positioning error in navigation was presented, and the experiment was carried out with self-made agricultural robot. The experimental results showed that the proposed approach improves the positioning precision of GPS, and the correlation within the positioning error is decreased, similar to white noise. The average value of positioning error is reduced to -0.0022m from 0.1951m. So it can be applied to achieve high precision navigation of agricultural machinery.

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周俊,張鵬,宋百華.農(nóng)業(yè)機(jī)械導(dǎo)航中的GPS定位誤差分析與建[J].農(nóng)業(yè)機(jī)械學(xué)報,2010,41(4):189-192. and Modeling of GPS Positioning Error for Navigation of Agricultural Machinery[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(4):189-192.

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