CW-VINS00 Visual-Inertial Fusion Navigation System

CW-VINS00
Visual-Inertial Fusion Navigation System

Product Overview

The visual + inertial integrated navigation system enables aircraft to completely get rid of satellite navigation. It can output position, heading and attitude information of the aircraft throughout the whole flight from takeoff to landing.

The system is mainly composed of barometer, visual board, MEMS IMU, integrated navigation algorithm board, visible light / infrared camera.

The integrated algorithm fuses satellite, visual navigation and high-precision MEMS pure inertial navigation / attitude algorithm. Confidence threshold is preset inside the algorithm. GNSS / Visual / Inertial modes can switch autonomously, supporting 7×24h continuous output of longitude, latitude, altitude, heading and attitude.

When aircraft flies over oceans, grasslands, lakes, deserts and other areas where visual positioning fails, the tactical-grade high-precision MEMS inertial navigation will be adopted automatically according to scenarios to guarantee positioning accuracy.

Main Features

  • Modular Design
  • 100% Domestic Production
  • Works without Satellite Navigation
  • Anti-Spoofing Function
  • Autonomous Switch of GNSS / Visual / Inertial
  • Max Flight Speed: 250m/s
  • Geo-Fence Function Available
  • Positioning Accuracy Not Limited by Time & Distance

Visual-Inertial Integrated Navigation Block Diagram

Block Diagram

Performance Specifications

Category Parameter CW-VINS00
Basic Physical Parameters Dimension & Weight (70*64*20) mm; ≤ 200g
Power Consumption & Supply <20W / 12-32V
Communication Interface Mavlink/Ublox, RS232/RS422/UART
Mapping Coverage 20000km² ~ 200000km²
Output Frequency 1~10Hz
Operating Temperature -45℃ ~ 80℃
Shock Resistance >500g
Max Supported Flight Speed ≥ 250m/s
Land Positioning Accuracy Latitude & Longitude Accuracy ≤15m (50m ≤ Flight Height ≤500m)
≤ 2% × Flight Height (500m ≤ Flight Height ≤5000m)
Altitude Accuracy ±1m
Attitude Accuracy 0.03° ~0.5°
Pure Inertial Navigation Performance
(Visual Denied Area)
Pure Inertial Drift (5min) 15km, typical speed:180km/h
Max Horizontal Deviation (5min) 50m, MEMS Pure Inertial
Pure Inertial Drift (30min) 90km, typical speed:180km/h
Max Horizontal Deviation (30min) 2km, MEMS Pure Inertial

Outline Dimension Drawing

Outline Dimension Drawing