M992-INS
Dual-Antenna Tight Combo Positioning Module/Board
The A&I M992-INS is a dual-antenna tightly coupled board independently developed by Archimedes Innovation. It supports seamless calibration,eliminating the need for cumbersome lever arm measurements, allowing for easy installation and immediate use. It is suitable for a wide range of applications of autonomous driving, maritime navigation, machine control,and so forth.
Features
Seamless Calibration, Plug-and-Play
To address the cumbersome calibration process of mainstream products on the market, our self-developed algorithm engine eliminates the need for complex lever arm measurements, allowing this GNSS/INS system to achieve plug-and-play functionality.
PTP time synchronization, with support for output up to 1000Hz
It supports multiple time synchronization methods including PPS, NTP, and PTP, with the capability to output high-precision positioning and orientation information at 200Hz, and up to 1000Hz maximum.
Applicable to multiple platforms
It supports external high-performance IMU devices and L-band satellite-based augmentation signals, suitable for various platforms including low-speed vehicles, drones, USV, and port or mining vehicles.
Embedded with a web interface for easy querying and configuration
It allows users to easily query and configure the positioning module via a web interface.
Applications
M992-INS Dual-Antenna Tight Combo Positioning Module/Board is widely used in：
Autonomous Driving Vehicles
Port and Mining Automation
Hydrographic Surveying
Marine Robotics
Aerial Mapping & Inspection
| GNSS Performance | ||
|---|---|---|
| GNSS Band | BDS | B1I、B1C、B2I、B2a、B2b* |
| GPS | L1 C/A、L5、L2C | |
| Galileo | E1、E5a、E5b | |
| GLONASS | G1* | |
| QZSS | L1 C/A、L2C、L5 | |
| NavIC | L5* | |
| SBAS | L1* | |
| Lband* | ||
| Positioning Accuracy（1ρ） | SinglePoint | Vertical 1.5m ; Elevation 2.5m |
| DGPS | Vertical 0.4m ; Elevation 0.8m | |
| RTK | Vertical 0.8cm + 1ppm ; Elevation 1.5cm+1ppm | |
| Velocity Accuracy（1ρ） | 0.03m/s | |
| Directional Accuracy（1ρ） | 0.1°/m baseline | |
| Timing Accuracy | pps ≤10ns GPTP≤1us NTP ≤10ms | |
| Cold Start | 30s | |
| Dual-antenna GNSS Observation | 10Hz（Max 20Hz） | |
| Dual-antenna GNSS Position & Heading | 10Hz（Max 20Hz） | |
| INS Raw Observations | 200Hz（Max 1000Hz） | |
| INS Fusion Position Frequency | 200Hz（Max 1000Hz） | |
| DR Accuracy | 0.2%（1km@3min） | |
| Combination navigation mode | Single antenna, dual antenna, single point, floating, fixed, satellite base* | |
| IMU | ||
| Gyroscope | Measure Range | ±300 °/s |
| Bias Repeatability | 0.5 °/s | |
| Bias Instability | 1.8 °/s (XY) 1.5 °/s (Z) | |
| Angle Random Walk | 0.09 °/√h (XY) 0.10 °/√h (Z) | |
| Accelerometer | Measure Range | ±6g |
| Bias Repeatability | 20 mg | |
| Bias Instability | 15 μg | |
| Angle Random Walk | 0.035 m/s/ √ h | |
| Communications | ||
| RS232 | 3 | |
| RS422 | 1 | |
| CAN | 2 | |
| Ethernet | 1 | |
| 1PPS | 1 | |
| Physical | ||
| Size | 71L X 45W X 10Hmm | |
| Weight | 24g | |
| Operation Temperature | -40℃~+85℃ | |
| Storage Temperature | -55℃~+95℃ | |
| Humidity | 95%Non-condensing | |
| Shock | EP455 Section5.14.1 Operational | |
| Vibration | EP455 Section5.15.1 Random | |
M992-INS User Manual
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