Land Force Navigation TDL46A Optical Gyro Positioning Orientation Equipment Vehicle Mounted
The TDL46A vehicle-mounted optical gyro positioning and orientation system employs advanced laser or fiber optic gyroscopes combined with quartz accelerometers as core inertial sensors. Utilizing a strapdown inertial navigation system (SINS) architecture with sophisticated navigation algorithms, it delivers real-time positioning, orientation, and navigation data for diverse vehicular platform applications.
Operational Capabilities
This system supports multiple operational modes including Zero-Velocity Update (ZUPT), GNSS/INS integrated navigation, and odometer/INS integrated navigation, providing comprehensive vehicle navigation parameters across various operational scenarios.
Application Fields
- Geodetic survey vehicles
- Tanks and armored vehicles
- Self-propelled artillery systems
- Infantry fighting vehicles
- Unmanned ground vehicles
- High-speed trains
- Agricultural machinery vehicles
Performance Characteristics
- Operational in high-latitude regions (±65°), extreme cold, and high-altitude environments
- Autonomous navigation capability with zero-velocity update (ZUPT)
- Integrated navigation with odometer and satellite-based systems
- High reliability for demanding applications
- Alignment and initialization in both static and dynamic (in-motion) states
Technical Specifications
| Parameter Type |
Specification |
| Model |
TDL46A |
| Accelerometer - Months Bias Repeatability |
≤20μg |
| Accelerometer - Months Scale Factor Accuracy |
≤20ppm |
| Gyro - Bias Repeatability |
≤0.008°/h |
| Gyro - Scale Factor Accuracy |
≤5ppm |
| Gyro - Random Walk |
≤0.003°/√hr |
| Angular Rate |
≥±400°/sec |
| Angular Acceleration |
100000°/sec² |
| Acceleration |
>25g |
| Angular Attitude |
Any Orientation |
| Alignment Time |
≤8min |
| Input/Output |
3 RS422 full-duplex serial ports, 1 100M Ethernet port |
| Position Accuracy - North Finding/Orientation |
≤10m |
| Inertial Navigation/Odometer Combination |
≤0.3%D |
| North Finding/Orientation Accuracy |
≤1.0mil |
| Bearing Keeping Accuracy/2h |
≤1.5mil |
| Combined Navigation Position Accuracy |
≤0.75mil |
| AHRS Applications - Heading Accuracy |
≤0.75mil |
| AHRS Applications - Pitch & Roll Accuracy |
≤0.35mil |
| Power Consumption |
<20W |
| Dimensions |
195*160*108 mm |
| Weight |
<3.9kg |
| Operating Temperature |
-40℃ to +60℃ |
| Shock Resistance |
15g, Half-sine wave 11ms |
| Input Voltage |
DC24V (±25%) |
| Cooling Method |
Conduction to mounting plate |
| Vibration Resistance |
20-2000Hz, 6.06g |
| MTBF |
>20000 hours |