SI‑FINS90S‑H Fiber‑Optic INS | High Precision & Reliability for UAV USV Vehicle Navigation
The SI-FINS90S-H 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-H 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
| System Real-time Accuracy | ||||||
|---|---|---|---|---|---|---|
| Attitude Accuracy | Heading ≤0.015° (1σ); Pitch and roll: ≤0.005° (1σ) |
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| Position Accuracy | Single-point horizontal positioning: ≤1.5m (1σ) Single-point vertical positioning: ≤2.5m (1σ) RTK level positioning: ≤1cm + 1ppm (1σ) RTK vertical positioning: ≤2cm + 1ppm (1σ) |
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| Speed Accuracy | Horizontal velocity ≤0.03 m/s (1σ), vertical velocity ≤0.05 m/s (1σ) | |||||
| Alignment Time | Start timing after obtaining latitude, longitude and altitude position information. The alignment process duration is ≤5 minutes. | |||||
| Inertial/ODO/DVL Combination | 0.2%*Miles traveled (depending on the accuracy of the external odometer) | |||||
| Pure Inertial Specification | ||||||
| Attitude Accuracy | Azimuth alignment accuracy: ≤0.03°sec (Φ) (1σ, Φ is local latitude) Horizontal attitude alignment accuracy: ≤0.006° (1σ) Azimuth hold accuracy: 0.006°/h (1σ) Horizontal Attitude Holding Accuracy: 0.005°/h (1σ) |
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| Position Accuracy | Positioning accuracy: ≤0.6nmile/h(50%CEP) | |||||
| Speed accuracy | Horizontal speed accuracy: ≤0.5m/s (1σ). | |||||
| Physical Characteristic | Interface Characteristics | |||||
| 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 | |||||
| Operating Temperature | -40℃~+55℃ | Transmission Rate | 9600～961200bps(configurable) | |||
| Protection level | IP65 | User Mode | ||||
| Physical Dimensions | ≤170mm*148mm*164mm |
Vehicle-mounted (default), aircraft-mounted, ship-mounted |
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| Weight | ≤4.6Kg | |||||
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