Optical Fiber Strapdown Inertial Navigation System Combined With Satellite And Laser Speed Meter
KsINS-120 fiber optic strapdown inertial navigation system
product description:
The KsINS-120 fiber optic gyro strapdown navigation system is based on our institute's fiber optic inertial navigation universal platform. This platform adopts a universal design concept and is easy to make adaptive changes according to user needs. It has a short development cycle, high maturity and good reliability. and other advantages; its supporting gyroscopes, accelerometers, analog-to-digital conversion circuits, navigation computers and other components are all products on our shelves, which are mature and reliable.
Features:
● Using domestic 120 type fiber optic gyroscope and quartz flexible accelerometer
● The bias stability of the 120 type fiber optic gyroscope is better than 0.005°/h (1σ)
● Accelerometer bias stability is better than 50μg (1σ)
● Achieve static and dynamic base alignment, and can choose self-alignment or on-the-fly alignment according to user needs
● It can be integrated with various information such as satellites, laser speedometers, odometers, altimeters, etc. for combined navigation, and the interface has strong scalability
Application fields and application modes:
Land use, navigation, drones, and can also be extended to other applications.
System performance:
| Car navigation | ship navigation | Drone navigation | Ship local datum | |
|
Location (CEP) |
≤ 0.1%D, Odometer assist ≤ 0.1m, Differential Satellite Assist |
≤ 1nm/8h, Trip meter assist ≤ 0.1m, Differential Satellite Assist |
≤ 0.8nmile/h |
≤ 1m (relative) |
| Speed(1σ) | ≤ 0.2m/s | ≤ 0.6m/s | ≤ 0.8m/s | ≤ 0.2m/s(relative) |
| Heading(1σ) | ≤ 0.5mil | ≤ 0.2mil(relative) | ||
| Attitude (1σ) | ≤ 0.02° | ≤ 0.01° (relative) | ||
| Align time | 5min | 15-20min | 5min | 5min |
System features:
| Power consumption | ≤ 20W | |
| size | 335mm (L) × 200mm (W) × 146mm (H) | |
| weight | 12kg | |
| Input voltage | 18V～32V | |
| Operating temperature | -40℃~ +65℃ | |
| Mechanical environment | impact | Half sine wave 30g, 11ms |
| vibration | GJB150.16A-2009.C.3 | |
|
Interface information |
RS-422×2; RS-232×1; Ethernet interface; CAN bus interface; Odometer interface×1;Altimeter interface;Speedometer interface |
|
Device performance :
| top | Accelerometer | ||
| Bias stability | ≤ 0.005°/h,1σ | Offset repeatability | ≤ 50μg, 1σ |
| Offset repeatability | ≤ 0.005°/h,1σ | Bias stability | ≤ 100μg, 1σ |
| scaling factor | ≤ 30ppm, 1σ | Scaling factor repeatability | ≤ 50ppm, 1σ |
| random walk | ≤ 0.001° / , 1σ | Scale factor stability | ≤ 50ppm, 1σ |
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