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PNS200-BGI BDS/GPS/INS Precision Integrated Navigation System
PNS200-BGI BDS/GPS/INS Precision Integrated Navigation System
Product details
PNS200 is a small inertial/satellite combination navigation instrument developed by integrating and deeply coupling an inertial measurement unit based on fiber optic gyroscope and quartz accelerometer with a satellite navigation receiver unit based on the OTrack-32 BeiDou/GPS/GLONASS technology. It has advanced performance, compact structure, convenient use, and reasonable price.
Suitable for continuous seamless navigation and precise timing of motion carriers in industries such as aviation, aerospace, and navigation.
Technical advantages(1) Integrated deep coupling - using mature fiber optic gyroscopes and quartz accelerometers with Beidou multi-mode satellite navigation chips (OTrack-32 BeiDou/GPS/GLONASS), the integrated deep coupling design not only improves the positioning, speed measurement, attitude measurement, and timing performance of PNS200, but also ensures stable performance and resistance to signal loss. It also ensures that PNS200 is small in size, easy to install, and weighs only 4.3kg.
(2) Offline free calibration: Using a combination of carrier motion state recognition, gravity field, and Kalman filter zero velocity constraint technology, real-time online calibration of gyroscope and accelerometer power on zero bias is achieved.
(3) When there are less than 4 satellites, it can still work in combination mode: the pseudo range/pseudo range rate measurement values obtained by fusing the inertial unit and satellite navigation chip in the same processor.
(4) Integrity monitoring: The technology of using inertial device measurement values to monitor the integrity of each channel of satellite navigation chips and eliminate gross errors improves the reliability of satellite navigation unit operation.
(5) Hardware synchronization: By utilizing the PPS second pulse signal within satellite navigation, hardware synchronization is achieved, which improves the accuracy and execution efficiency of data fusion between inertial measurement and satellite navigation measurement.
Performance indicators of PNS200
| positioning accuracy(1σ) | Horizontal position accuracy | 1.0m (initial point is a known standard point) | |
| Speed measurement accuracy (1σ) | Uniform speed measurement accuracy | 0.05m/s | |
| Variable speed measurement accuracy | 0.10m/s | ||
| time accuracy | 1PPS | ±100ns | |
| Attitude accuracy (1σ) | Pitch angle | 0.05°(Satellite signal is valid) | |
| Roll angle | 0.05°(Satellite signal is valid) | ||
| Heading angle | 0.10°(Satellite signal is valid) | ||
| Start Time | Satellite re capture | <> | |
| Satellite hot start | 1s | ||
| Satellite cold start | 35s | ||
| Combination startup | +30sThe speed of the carrier's movement is greater than1m/s） | ||
| output data | navigation data | Specialized binary format (position, velocity, attitude, time) | |
| initial alignment | North search time 2 minutes North finding accuracy<> | ||
| interface | input/output | RS232/RS422 | |
| Positioning update rate | 100Hz | ||
| Effective bandwidth | 100Hz | ||
| data interface | Y34QM-19ZKH | ||
| Connector | TNC | ||
| INPUT VOLTAGE | 18V~36VDC | ||
| physical property | volume | 198.0mm×203.5mm×135.0mm | |
| weight | 4.3kg | ||
| power consumption | 15W@24VDC | ||
| operation temperature | -40℃~ +75℃ | ||
| storage temperature | -55℃~ +80℃ | ||
| Anti vibration | 8g（20 Hz~2000 Hz）(with shock absorbers) | ||
|
Satellite interruption time |
Three dimensional position(1σ) |
Three dimensional velocity（1σ) |
3d pose(1σ) | ||
|
course |
pitch |
roll | |||
|
60s |
|
|
0.15° |
0.10° |
0.10° |
|
120s |
|
|
0.20° |
0. 15° |
0.15° |
|
5min |
|
|
0.43° |
0.25° |
0.28° |
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