Fiber Optical Solution’s fiber-optic strapdown inertial navigation systems (SINS) have complete solid-state design with no rotating or other moving parts. Because it has no moving parts, there is nothing to go out of alignment and therefore it never requires recalibrating and is totally maintenance free. They have very high reliability (MTBF) and no maintenance requirements during its service life.
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| NavFOS-500K | NavFOS-500M | NavFOS-501 | NavFOS-501M | NavFOS-1000 |
Designed for autonomous navigation and guidance of aviation, land, marine and subsea vehicles, Fiber Optical Solution’s strapdown inertial navigation systems are compact, robust and maintenance-free, low-consumption units.
| Performance | For land and air navigation | For marine navigation | For land and air navigation | For marine navigation | For land and air navigation |
| NavFOS-500K | NavFOS-500M | NavFOS-501 | NavFOS-501M | NavFOS-1000 | |
| Alignment in static conditions | Alignment in dynamic conditions / tossing | Alignment in static conditions | Alignment in dynamic conditions / tossing | Alignment in static conditions | |
| Pure SINS performance
(inertial mode), accuracy: § position (1-hour error) § velocity § heading § pitch and roll |
8 km 2 m/s <0.3×sec(lat)° <0.1° |
8 km 2 m/s <0.3×sec(lat)° <0.1° |
4 km 1 m/s <0.1×sec(lat)° <0.05° |
4 km 1 m/s <0.1×sec(lat)° <0.05° |
1.6 km 0.4 m/s <0.03×sec(lat)° <0.02° |
| GPS-GLONASS/SINS
performance § position accuracy § velocity accuracy |
20 m 0.1 m/s |
20 m 0.1 m/s |
20 m 0.1 m/s |
20 m 0.1 m/s |
20 m 0.1 m/s |
| Initialization time | 10 min (avaliable options 15, 5 min) | ||||
| Gyro bias drift (1s) | £ 0.04 °/h | £ 0.04 °/h | £ 0.02 °/h | £ 0.02 °/h | £ 0.005 °/h |
| Accelerometer bias drift (1s) | £ 5×10-4g | £ 5×10-4g | £ 1×10-4g | £ 1×10-4g | £ 5×10-5g |
| Interfaces | RS-422 (MIL-STD-1553B option available) | ||||
| Power supply | 27±5 V DC | 27±5 V DC | 27±5 V DC | 27±5 V DC | 27±5 V DC |
| Power consumption | 15 W | 20 W | 22 W | 24 W | 24 W |
| Size, mm | 240×160×110 | 343×185×120 | 286×163×124 | 338×185×150 | 171×224×252 |
| Weight | 3.4 kg | 6.4 kg | 4.8 kg | 8.2 kg | 8.9 kg |
| Operating ranges
§ angular rate § linear accelerations § vibration § temperature range |
£ 400 °/s Up to 10 g Up to 2000 Hz -40 °C to +60 °C |
£ 400 °/s Up to 10 g Up to 2000 Hz -40 °C to +60 °C |
£ 1000 °/s Up to 10 g Up to 2000 Hz -40 °C to +60 °C |
£ 1000 °/s Up to 10 g Up to 2000 Hz -40 °C to +60 °C |
£ 550 °/s Up to 10 g Up to 2000 Hz -40 °C to +60 °C |
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