Laser Inertial Navigation Unit Calibration Free|ultra-high Accuracy|super Scalability|high Stability|compact Envelope For Inertial/GNSS Integrated Navigation System (IMUs)
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This product is a high integration, miniature inertial measurement unit, with selectable accuracy and configure. It consists of 3high accuracylaser gyroscopes,accelerometer and acquisition circuitof accelerometer,as well as a secondary power supply. The main application is to provide the angular/line motion of carrier’s relative inertial space for users.
(1). Calibration free
The IMU level error calibration is completed, which is convenient for users' engineering application.
(2). Super scalability
The installation position of three axis accelerometer and accelerometer acquisition circuitcan be reserved.
The installation position of GNSS receiver, and the antenna interface can be reserved.
Selectable secondary power supply module. (Basic + extended power)
(3). Stable performance, strong environmental adaptability
It can be applied in environmental requirementsof military grade.
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Parameter
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Technical index
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|
Gyro
|
|
1
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Bias
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±0.1（°）/h
|
|
2
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Bias stability
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Grade A：≤0.010（°）/h
Grade B：≤0.015（°）/h
Grade C：≤0.020（°）/h
|
|
3
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Bias repeatability
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Grade A：≤0.010（°）/h
Grade B：≤0.015（°）/h
Grade C：≤0.020（°）/h
|
|
4
|
Bias magnetic sensitivity
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Grade A：≤0.010（°）/h/G
Grade B：≤0.015（°）/h/G
Grade C：≤0.020（°）/h/G
|
|
5
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Random Walk coefficient
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≤0.003（°）/h 1/2
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6
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Scale factor non-linearity
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≤5ppm
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7
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Input axis misalignment angle
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≤10″
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Accelerometer
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|
8
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Bias stability
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≤5×10-5g
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9
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Bias repeatability
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≤5×10-5g
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|
10
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Scale factor stability
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≤30ppm
|
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11
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Scale factor repeatability
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≤30ppm
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Measurement Range
|
|
12
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Angular rate measurement range
|
±300°/s，±500°/s（Selectable）
|
|
13
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Linear acceleration
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±15g，±40g（Selectable）
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|
Physics performance
|
|
14
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Start time
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≤20s
|
|
15
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Outer dimension (mm)
|
（202±1）×（194±1）×（135±1）
|
|
16
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Installation interface
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8 M5 Threaded holes, 4 on each side（145±0.1）mm×（137±0.1）mm
|
|
17
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Weight (kg)
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<8kgs
|
|
18
|
Power
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+28V, +12V,
-12V, -12V, -12V, -12V
|
|
19
|
Power dissipation
|
Start：100w
Working：50w
|
|
Environmental suitability
|
|
20
|
Working temperature
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-40℃～70℃
|
|
21
|
Storage temperature
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-45℃～75℃
|
|
22
|
Shock
|
40g, 11ms, Half sine/final peak saw tooth
|
|
23
|
Vibration
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Sine: 10Hz-500Hz, 5g
Random: 10Hz-200Hz, 0.015g2/Hz
|
|
Interface
|
|
24
|
Electrical interface
|
Power interface, rectangular electric connector：J30J-37ZK
Communication interface：RS422
|
|
25
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Connector cable length
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Default: 210mm±5mm
|
|
26
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Communication interface
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RS232，RS422 (Selectable)
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|
27
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Band Rate
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115200bps
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|
28
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Data refresh rate
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100Hz
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This system is mainly used as the core component of integrated navigation systems for various civilian vehicles, aircraft and ships.
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