SD231

SD231 High Precision Fiber Optic Inertial Navigation System (INS)

The product is a Strapdown Inertial Navigation System consisting of high-precision fiber optic gyroscope and quartz accelerometer. The main features of the product are as follows:

  1. Quick self-alignment: the fastest alignment time is 2 min, the alignment accuracy is 1 milsec;
  2. Full navigation parameter output: carrier angular rate, attitude angle, speed, position, etc.;
  3. Inertial self-test function: the key components are self-tested and output in real time;
  4. Integrated navigation function: can be combined with odometer, altimeter, satellite navigation, and built-in GPS / BD receiver;
  5. Autonomous output function: the inertial navigation outputs the navigation parameters autonomously according to the cycle;
  6. Provide real-time ephemeris data: Ephemeris data can be output in real time.
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SD231 High Precision Fiber Optic Inertial Navigation System

Applications

It mainly uses north-seeking, positioning and navigation of various platforms to provide carrier full-view navigation information and satellite ephemeris data.

 

Main Technical Specifications

Parameter Technical specifications
System Specifications Position accuracy ≤ 0.15%D(D mileage)
Heading accuracy ≤ 0.1°/h
Horizontal attitude accuracy ≤ 0.3mil
Start Time ≤ 30s
Alignment time ≤ 3min
Alignment accuracy ≤ 1mil/Cos φ
Fiber Optic Gyro Specifications Zero bias stability (1σ, 100s) ≤ 0.002°/h
Scale factor repeatability (1σ) ≤ 30ppm
Measuring range ±200°/s
Accelerometer Specifications Zero bias stability (1σ, 100s) ≤ 50μg
Scale factor repeatability (1σ) ≤ 50ppm
Measuring range ±20g
Physical Specifications volume 320mm×316mm×257mm
weight ≤ 23kg
Maximum power consumption ≤ 18W
Operating temperature -40 ℃ ~ 55 ℃
Electrical Interface RS232、RS422、CAN
Power supply requirements DC 20 V ~ 32 V

 

Drawings

SD231 Mechanical Drawings

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