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Laser Inertial Navigation System for Maritime Positioning and Attitude Control

Categories	Laser Inertial Navigation System
Brand Name:	Star & Inertia Technology
Model Number:	Dubhe-450
Place of Origin:	China
MOQ:	1 set
Price:	$1000-$100000
Payment Terms:	T/T
Supply Ability:	100 set per year
Delivery Time:	30 work days

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CSSC Star&Inertia Technology co.,ltd.

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Laser Inertial Navigation System for Maritime Positioning and Attitude Control

Product Description
This inertial navigation system integrates precision laser gyroscopes and quartz accelerometers with a modern strapdown architecture to deliver accurate navigation and attitude information. Supported by real-time navigation algorithms, the system offers flexible operational modes including hybrid inertial-GNSS and standalone inertial navigation. It continuously outputs essential navigation parameters such as heading, roll, pitch, location, and velocity for maritime applications requiring high reliability and accuracy.

Key Advantages

High Stability Heading Output based on precision laser gyros
Accurate Motion Attitude including roll & pitch measurements
Hybrid GNSS + INS Support for reliable positioning under signal loss
Fast Initialization & Autonomous Navigation for different maritime scenarios
Robust Strapdown Architecture improving performance and system reliability

Application Fields

Surface Vessels (OPVs / Patrol Boats / Survey Vessels)
High-Speed Craft / Ferries
Maritime Navigation & Positioning Systems
Marine Survey & Mapping Platforms
Autonomous Marine Vehicles (USV / AUV)

Series		Maritime Inertial Navigation System(INS-M)
Type		Dubhe-M12
Accelerometer	Months Bias Repeatability(1σ)	≤30μg
Accelerometer	Months Scale Factor Accuracy(1σ)	≤30ppm
Gyro	Bias Repeatability(1σ)	≤0.01°/hr
	Scale Factor Accuracy(1σ)	≤10ppm
	Random walk(1σ)	≤0.003°/√hr
Features	Angular Rate	≥±400°/sec
	Angular Acceleration	100000°/sec2
	Acceleration	＞25g
	Speed accuracy(Pure inertia)	≤0.6kn,RMS
	Speed accuracy(GNSS combination)	≤0.4kn,RMS
	Angular Attitude	Any Orientation
	Startup time	≤10sec
	Input/output	3 RS422 full-duplex serial ports, 1 100M Ethernet port
Alignment time		≤30min or ≤1hr
Position accuracy	Pure inertia	≤1nm/6h or ≤1nm/12h ,CEP
	INS/DVL Combination	≤0.3%D,RMS
	INS/GNSS Combination	better than satellite accuracy
Heading Accuracy	Pure inertia	≤0.02°sec(L),RMS
Heading Accuracy	INS/GNSS combination	≤0.01°,RMS
Pitch & Roll Accuracy	Pure inertia	≤0.01°,RMS
Pitch & Roll Accuracy	INS/GNSS combination	≤0.01°,RMS
Characteristics	Power consumption	＜40W
	Dimensions(Lmm×Wmm×Hmm)	193×169×160
	Weight	＜6.5kg
	Temperature	-40℃~60℃
	Shock	15g,Half-sine wave 11ms
	Input Voltage	DC24V(±25%)
	cooling	Conduction to mounting plate
	Vibration	20~2000Hz,6.06g
	MTBF	＞10000 hours

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Laser Inertial Navigation System for Maritime Positioning and Attitude Control

Laser Inertial Navigation System for Maritime Positioning and Attitude Control

Laser Inertial Navigation System for Maritime Positioning and Attitude Control

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Laser Inertial Navigation System for Maritime Positioning and Attitude Control