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Railway locomotive "Weigui" combined positioning board
Product feature 1) RTK dynamic satellite high-precision positioning, with a positioning accuracy of 30CM
Product details
Product Features
1) RTK dynamic satellite high-precision positioning with a positioning accuracy of 30CM.
2) The product is in the form of a board, mainly designed for easy insertion (docking) into the railway shunting onboard equipment that has been demonstrated and applied in Zhengzhou Bureau.
3) According to the application requirements, the board can be packaged as a standalone device.
4) The auxiliary inertial positioning system with independent property rights (protected by patents) ensures real-time output of high-precision positioning data within 40 minutes or 500 meters in the event of satellite signal loss or obstruction, ensuring that railway locomotives can still achieve high-precision positioning under wind and rain shelters.
5) Low cost inertial devices combined with special taming algorithms can ensure high-precision positioning of locomotives around the clock and in all areas, but the price is currently one twentieth of that of military inertial navigation equipment.
6) Communication with backend servers (differential data download and location data upload) is achieved through private network 4G or public network 4G.
Technical Specifications
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System performance indicators(RMS) |
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Position accuracy |
single point |
< 1.2rice |
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RTK |
10mm + 1ppm |
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post-processing |
5mm + 1ppm |
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Heading accuracy |
Single antenna |
0.2° |
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dual antenna |
0.1°(Baseline)>2m） |
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Loss of lock accuracy |
0.1° |
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Data update rate |
Positioning (maximum)20Hz） Inertial navigation（1KHz） |
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Speed accuracy |
0.002m/s |
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time service accuracy |
20ns |
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Physical dimensions and electrical characteristics |
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size |
100mm*160mm |
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weight |
150g |
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input voltage |
9V ~ |
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36V |
power consumption |
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< 3W |
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Environmental indicators |
Operating Temperature |
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-40 ~ |
+85 |
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Storage temperature |
-40 ~+85 |
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humidity |
95%No condensation vibrationMechanical impact:EP455Section |
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5.14.1Vibration:EP |
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455 section5.15.1 |
Random. |
IMUperformance metricsgyroscope |
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range |
- |
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125°/s |
~+125°/sZero bias stability2°/h |
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Corner random walk |
0.4° |
°/√ |
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small |
time |
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accelerometer |
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range |
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-2 ~ +2gZero bias stability |
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-16 ~ 16 mgScale factor nonlinearity485 |
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interface characteristics |
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P |
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PS |
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