INS Inertial Navigation System For UAV Navigation And Positioning Systems SI-FINS90S
The SI-FINS90S is an autonomous fixed inertial navigation system. It offers various configuration interfaces and can access external GPS modes, whether they are built-in or external. TJ-FINS90S can be integrated with Hexin Xingtong UM982 . The GNSS receiver has multiple channels (up to 220). The main function of the multi-frequency receiver is to calculate the speed and position of the system and guarantee accurate time (PVT). The receiver has abundant frequency points and can support GPS L1/L2/L5, BDS B1I/B2I/B3I, and GLONASS G1/G2 signals.
The SI-FINS90S can provide the following input interfaces to correct inertial instrument errors:
- Occupancy meter (DMI)
- Doppler Velocimeter (DVL)
- Barometric altimeter
- GPS can also be accessed through the serial interface
Main technical parameters
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System Real-time Accuracy |
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Attitude Accuracy |
Heading ≤0.02° (1σ); |
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Position Accuracy |
Single-point horizontal positioning: ≤1.5m (1σ) |
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Speed Accuracy |
Horizontal velocity ≤0.03 m/s (1σ), vertical velocity ≤0.05 m/s (1σ) |
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Alignment Time |
Start timing after obtaining latitude, longitude and altitude position information. The alignment process duration is ≤5 minutes. |
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Inertial/ODO/DVL Combination |
0.2%×Miles traveled (depending on the accuracy of the external odometer) |
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Pure Inertial Specification |
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Attitude Accuracy |
Azimuth alignment accuracy: ≤0.05°sec (Φ) (1σ, Φ is local latitude) Horizontal attitude alignment accuracy: ≤0.006° (1σ)Azimuth hold accuracy: 0.01°/h (1σ) Horizontal Attitude Holding Accuracy: 0.005°/h (1σ)
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Position Accuracy |
Positioning accuracy: ≤0.8nmile/h(50%CEP) |
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Speed accuracy |
Horizontal speed accuracy: ≤0.8m/s (1σ). |
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Main Device Characteristics |
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Gyroscope |
range |
±300°/s |
Zero Bias Stability |
≤0.01°/h(1σ, 10s smooth)
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Accelerometer |
range |
±15g |
Zero Bias Stability |
≤10μg(1σ, 10s smooth)
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Physical Characteristic |
Interface Characteristics |
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Supply voltage |
24V DC rated(12～32V DC) |
Interface method |
4 serial ports (RS232 or RS422) Support PPS, EVENTMARK input/output |
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Power Consumption |
≤25W |
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Operating Temperature |
-40℃~+55℃ |
Transmission Rate |
9600～961200bps(configurable) |
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Protection level |
IP65 |
User Mode |
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Physical Dimensions |
≤170mm×148mm×164mm |
Vehicle-mounted (default), aircraft-mounted, ship-mounted
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Weight |
≤4.6Kg |
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