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Land Force Navigation TDF61A Vehicle-mounted Optical Gyro Positioning And Orientation Equipment
1 Introduction
The vehicle-mounted optical gyro positioning and orientation device uses laser or fiber optic gyros and quartz accelerometers as core sensors. It employs a strapdown inertial navigation system architecture and runs advanced navigation software to provide real-time navigation information. The product series features multiple operating modes, including zero-velocity update (ZUPT), inertial/satellite-based integrated navigation, and inertial/odometer integrated navigation. It provides users with complete navigation parameters for the vehicle, meeting the needs of various vehicle-mounted platforms.
2 Application field
Suitable for geodetic survey vehicles, tanks, self-propelled artillery, infantry fighting vehicles, unmanned vehicles, high-speed trains, agricultural machinery vehicles, etc.
3 Performance characteristics
Capable of alignment and initialization in static or dynamic (in-motion) states.
Features autonomous navigation, zero-velocity update (ZUPT), and integrated navigation with odometer and/or satellite-based systems.
Suitable for use in high-latitude (±65°), extremely cold, and high-altitude regions.
High reliability.
4 Main parameters
| Model | TDF61A | |
| Accelerometer | Months Bias Repeatability | ≤50μg |
| Months Scale Factor Accuracy | ≤50ppm | |
| Gyro | Bias Repeatability | ≤0.03°/hr,1σ |
| Scale Factor Accuracy | ≤50ppm | |
| Random walk | ≤0.01°/√hr | |
| Features | Angular Rate | ≥±400°/sec |
| Angular Acceleration | 100000°/sec2 | |
| Acceleration | ＞40g | |
| Angular Attitude | Any Orientation | |
| Alignment time | ≤5min | |
| Input/output | 3 RS422 full-duplex serial ports, 1 100M Ethernet port | |
| Position Accuracy | North finding/orientation accuracy | -- |
| Inertial navigation/odometer combination | ≤1%D | |
| North finding/orientation accuracy | ≤5.0mil | |
| Bearing keeping accuracy/2h | ≤6.0mil | |
| Combined navigation position accuracy | ≤3.0mil | |
| AHRS Applications Performance | Heading Accuracy | ≤3.0mil |
| Pitch & Roll Accuracy | ≤1.0mil | |
| Characteristics | Power consumption | ＜15W |
| Dimensions | 110×110×100 | |
| Weight | ＜1.7kg | |
| 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 | |