Shenzhen FOVA Technology Co.,Ltd
Temperature control test integrated software operation more efficient It has good stability, dynamic characteristics and reliability Digital and modular design based on DSP or FPGA The system can
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FG-30 single-axis fiber optic gyroscope
Zero bias stability (10s smoothing, 1σ) ≤ 0.5°/h；Dimensions (mm) 60×35×31；Weight (g) ≤130
| Indicators | Model | FG-30 |
| Performance indicators | bias stability① (°/h, 1σ) | 0.5 |
| bias stability② (°/h, 1σ) | 0.2 | |
| bias stability③ (°/h,full temperature, 1σ) | 1 | |
| bias repeatability(°/h, 1σ) | 0.3 | |
| random walk(°/h 1/2) | 0.02 | |
| scale factor nonlinearity (ppm) | 20 | |
| scale factor asymmetry (ppm) | 10 | |
| scale factor repeatability(ppm) | 20 | |
| dynamic range(°/s) | ±500 | |
| Mechanical/ electrical interface | size(mm) | 60×35×31 |
| weight(g) | 120±5 | |
| steady state power consumption at normal temperature(W) | 2.5 | |
| power supply(V) | +5 | |
| communication interface | RS422 | |
| Remarks: ① Static test at room temperature, 10s smooth, 1σ; ② Static test at room temperature, smooth for 100s, 1σ; ③ The temperature change rate is 1℃/min, smooth for 100s, 1σ. | ||
◾ Product introduction
FG-30 single-axis fiber optic gyroscope is an all-solid-state high-precision digital closed-loop medium-low single-axis fiber gyroscope that integrates optics, machinery and electricity. Based on SAGNAC principle, it is composed of SLD light source, optical fiber coupler, photoelectric detector, integrated optical phase modulator, optical fiber sensing ring, circuit and structures.
It is designed for servo stabilization platform with the features of small volume, high update rate, low delay, low noise, high bandwidth and so on. It is the ideal choice of medium and low precision angular rate sensor and can be used widely in various types of stable platform.
◾ Product features
• Single 5V power supply
• Update rate up to 4000Hz
• Excellent full temperature performance
• Excellent start-up performance, the nominal index can be reached when the power is turned on, and no preheating is required
• Excellent environmental adaptability, strong impact and vibration resistance
• Interference fringe recognition technology, supporting full dynamic range cold start
• High reliability
• No dead zone
◾ Typical applications
• Photoelectric platform
• Radar stabilization platform
• Satcom on the move system
• Seeker
◾ Performance indicators
• Turn-on time (s) 3
• Dynamic range (°/s) • Zero (°/h) ≤1
• Bias stability ① (°/h, 1σ) ≤0.5
• Bias stability ② (°/h, 1σ) ≤0.2
• Bias stability ③ (°/h, 1σ) ≤1
• Bias repeatability (°/h, 1σ) ≤0.3
• Random walk (°/h 1/2) ≤0.02
• Scale factor nonlinearity (PPM) ≤20
• Scale factor asymmetry (PPM) ≤10
• Scale factor repeatability (PPM) ≤20
• Threshold (°/h) ≤0.5
• Resolution (°/s) ≤0.5
• Bandwidth ≥500Hz
◾ Physical/Electrical
• Power supply + 5 v
• Steady-state power consumption ≤2.5W
• Steady-state power consumption at full temperature ≤4W
• Instantaneous power consumption at startup ≤4W
• Dimensions 60㎜×35㎜×31㎜
• Weight 120 g ± 5 g
• Electrical form RS422
◾ Environmental adaptability
• Operating temperature -45℃ ± 70℃
• Storage temperature -55 ° C to -+80 ° C
• Vibration 6 .06g (RMS), 20HZ-2000Hz
• Impact 30g, 6ms-8ms
• Average trouble-free time 8000h