Wuhan Liocrebif Technology Co., Ltd
TECHNOLOGICAL INNOVATION，NAVIGATING THE FUTURE
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Introduction
LKF-F3X90 inertial measurement unit is an inertial product developed for navigation guidance, attitude measurement and control systems of small missiles and guided bombs. The angular velocity and linear acceleration of the carrier motion provide information for the attitude and navigation control of the carrier, and the measurement results are output through the RS422 serial port.
By reducing the outer diameter of fiber to 135μm,Thin PM fiber solution decreases extremely the size of fiber coils and delivers outstanding precision performance in fiber coils, which is applied for miniaturization of FOGs. And, the coils are wound precisely through quadrupole symmetry method.
As oil resources become increasingly depleted and exploration and development situations become more complex, gyroscopes and inertial navigation systems with higher precision and more reliable performance are needed to accurately measure engineering parameters during the drilling process.
| Fiber Optic Gyroscope | H | M |
| Bias Repeatability at Room Temperature (By times, by days) (º/h) | ≤0.1 | ≤0.2 |
| Bias stability at Constant Temperature (º/ h) | ≤0.1 | ≤0.2 |
| Scale Factor Repeatability at Room Temperature (ppm) | ≤30 | ≤50 |
| Scale Factor Asymmetry at Constant Temperature (ppm) | ≤30 | ≤50 |
| Scale Factor Nonlinearity at Constant Temperature (ppm) | ≤30 | ≤50 |
| Threshold (º/h) | ≤0.2 º/h | |
| Angular Rate Range (º/s) | -500 to +500 º/s | |
| Bandwidth (Hz) | ≥200 | |
| Dimensions (mm) | 90*90*78 | |
| Weight (g) | 850±50 (with accelerometer) | |
| Operating Temperature (°C) | -45 to +65 | |
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| Quartz Accelerometer |
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| Range (g) | ≥±30 | |
| Scale Factor Temperature Coefficient (ppm /°C) | ≤100 | |
| Scale Factor Monthly Stability (ppm) | ≤100 | |
| Bias (mg) | ≤±7 | |
| Bias Temperature Coefficient (μg /°C) | ≤100 | |
| Bias Monthly Stability (μg) | ≤100 | |
| Second-order Nonlinear Coefficient (μg /g2) | ≤100 | |
| Mounting angle (") | ≤200 | |
| Outlook | No scratches, cracks, or corrosion | |
Table 2 The electrical interface of the gyroscope uses J30-15ZK connector
| J30JZLN9ZKCA000 | |||
| Pin | Pin Definition | Wire Color | Remarks |
| 1,6 | +5V | Red | Power Input |
| 2,7 | GND | Black | |
| 3 | -5V | White | |
| 5 | T+ | Yellow |
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| 9 | T- | Orange |
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| 4 | R+ | Blue |
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| 8 | R- | Green |
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Main Features
High Degree of Engineering, Highly Cost-Effective
Pure Solid-State Design with Strong Environmental Adaptability
Full Digital RS-422 Electrical Interface Output
Application
Navigation guidance
Attitude measurement and control systems for small missiles and guided bombs
Fig. 1 Dimensions of the external structure
