INT
Dubhe-1 RLG INS Unit | Compact Marine Ring Laser Gyro Inertial Navigation System
Product Tag:
Dubhe-1 RLG INS Unit | Compact Marine Ring Laser Gyro Inertial Navigation SystemRLG INS Unit | Compact Marine Ring Laser Gyro Inertial Navigation SystemInertial Navigation Solution Dubhe-1 RLG INS Unit | Compact Marine Ring Laser Gyro Inertial Navigation SystemInertial Navigation Solution Dubhe-1 RLG INS Unit | Compact Marine Ring Laser Gyro
Product Description
The INT-D-1 Ring Laser Gyroscope Inertial Navigation System integrates laser gyros and quartz accelerometers to achieve ultra-high precision motion sensing. Utilizing a proven strapdown inertial architecture, the system executes real-time navigation computation and supports multiple operation modes such as GNSS-aided INS and pure inertial navigation.
Optimized for maritime and vessel-based applications, the Dubhe-1 provides reliable real-time updates of heading, pitch, roll, speed, and position, enabling good quality guidance performance under dynamic marine conditions. As a compact and robust maritime guidance INS guidance system, it is suitable for platforms requiring stable navigation without reliance on external signals.
Key Advantages
High-accuracy ring laser gyro + quartz accelerometer inertial sensing
Real-time navigation computation with strapdown INS processing
Supports pure inertial / INS-GNSS combined navigation modes
Compact INS unit for vessel integration
Stable guidance output under vibration and high dynamics
Suitable for professional maritime integrated navigation systems
Available from experienced guidance INS system provider / manufacturer
Application Fields
Naval & commercial marine platforms
Ships & surface vessels
USV / UUV guidance
GNSS-assisted positioning & navigation
Autonomous maritime navigation
Marine INS navigation system integration
| Series | Maritime Inertial Navigation System(INS-M) | |
| Type | INT-M-M1 | |
| Accelerometer | Months Bias Repeatability(1σ) | ≤30μg |
| Months Scale Factor Accuracy(1σ) | ≤30ppm | |
| Gyro | Bias Repeatability(1σ) | ≤0.005°/hr |
| Scale Factor Accuracy(1σ) | ≤20ppm | |
| Random walk(1σ) | ≤0.002°/√hr | |
| Features | Angular Rate | ≥±400°/sec |
| Angular Acceleration | 100000°/sec2 | |
| Acceleration | ＞25g | |
| Speed accuracy(Pure inertia) | ≤1.2kn,RMS | |
| Speed accuracy(GNSS combination) | ≤0.4kn,RMS | |
| Angular Attitude | Any Orientation | |
| Startup time | ≤10 sec | |
| Input/output | 3 RS422 full-duplex serial ports, 1 100M Ethernet port | |
| Alignment time | ≤15min | |
| Position accuracy | Pure inertia | ≤1nm/1h,CEP |
| INS/DVL Combination | ≤0.3%D,RMS | |
| INS/GNSS Combination | better than satellite accuracy | |
| Heading Accuracy | Pure inertia | ≤0.05°sec(L),RMS |
| INS/GNSS combination | ≤0.03°,RMS | |
| Pitch & Roll Accuracy | Pure inertia | ≤0.02°,RMS |
| INS/GNSS combination | ≤0.01°,RMS | |
| Characteristics | Power consumption | ＜18W |
| Dimensions(Lmm×Wmm×Hmm) | 161×153×123 | |
| Weight | ＜3.6kg | |
| Temperature | -40℃~60℃ | |
| Shock | 15g,Half-sine wave 11ms | |
| Input Voltage | DC24V(±25%) | |
| cooling | Conduction to mounting plate | |
| Vibration | 20~2000Hz,6.06g | |
| MTBF | ＞20000 hours | |
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