Dubhe-M4 Laser Inertial Navigation System with GNSS Aiding - 232×186×160mm Compact Design, ≤0.01° Heading Accuracy

Price Negotiable

Price: $1000-$100000

MOQ: 1 set

Delivery Time: 30 work days

Brand: Star & Inertia Technology

Product Description

Product Overview

The Dubhe-M4 Gyro Quartz Accelerometer Laser Inertial Navigation System (INS) with GNSS aiding represents advanced maritime navigation technology. This high-precision system utilizes laser gyro and quartz accelerometer sensors combined with strapdown technology to deliver real-time navigation data for various vessel platforms.

Key Features

Multiple operating modes: Inertial and satellite navigation combination, Inertial autonomous navigation
High angular rate capability: ≥±400°/sec with angular acceleration of 100,000°/sec²
Rapid startup time: ≤10 seconds with alignment time ≤15 minutes
Robust construction: withstands acceleration >25g and operates in temperatures from -40℃ to 60℃
Compact dimensions: 232×186×160mm with weight
Low power consumption:

Technical Specifications

Parameter	Specification
Accelerometer Bias Repeatability (1σ)	≤30μg
Accelerometer Scale Factor Accuracy (1σ)	≤30ppm
Gyro Bias Repeatability (1σ)	≤0.003°/hr
Gyro Scale Factor Accuracy (1σ)	≤3ppm
Gyro Random Walk (1σ)	≤0.001°/√hr
Speed Accuracy (Pure Inertia)	≤1.0kn, RMS
Speed Accuracy (INS/GNSS Combination)	≤0.4kn, RMS
Position Accuracy (Pure Inertia)	≤1nm/4h, CEP
Heading Accuracy (INS/GNSS Combination)	≤0.01°, RMS
Pitch & Roll Accuracy	≤0.01°, RMS
MTBF	＞20000 hours