Integrated navigation device for underwater glider and navigation method therefor

An underwater glider and integrated navigation technology, which is applied in navigation, measuring devices, surveying and navigation, etc., can solve the problem of high power consumption, volume and accuracy requirements of underwater glider, inertial navigation can not meet positioning requirements, underwater Solve the problems of long working hours of the glider, and achieve the effects of strong adaptability to the environment, long endurance and low cost

Active Publication Date: 2012-06-27
SOUTHEAST UNIV
View PDF6 Cites 85 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The integrated navigation system based on inertial navigation and integrated with GPS and electronic compass has been widely used in land, aviation, aerospace and surface carriers at home and abroad. However, the underwater glider works for a long time underwater, and the GPS information cannot The single inertial navigation cannot meet the positioning requirements, and because the underwater glider has high requirements on power co

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Integrated navigation device for underwater glider and navigation method therefor
  • Integrated navigation device for underwater glider and navigation method therefor
  • Integrated navigation device for underwater glider and navigation method therefor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] specific implementation plan

[0029] Below in conjunction with accompanying drawing, the technical scheme of invention is described in detail:

[0030] figure 1 It is a schematic diagram of the integrated navigation system of an underwater glider. The new IMU unit selected integrates a three-axis gyroscope, a three-axis accelerometer, and a three-axis high-performance magnetometer. The unit is small in size, high in integration, and low in power consumption. With self-calibration and calibration functions. Before the underwater glider is put into the water, the zero error of the gyroscope should be corrected by the static zero error correction method. In addition to its own error compensation, the electronic compass should also use GPS information and segment compensation methods to compensate for errors. In this way, the navigation measurement unit (including three-dimensional electronic compass, three-axis accelerometer and three-axis gyroscope) can obtain accurat...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses an integrated navigation device for an underwater glider and a navigation method therefor. The integrated navigation device for an underwater glider is characterized in that the integrated navigation device comprises an electronic compass, a micro-electro-mechanical system (MEMS) inertia measurement unit, a global satellite system receiving module and a digital signal processing module; an inertial integrated navigation and positioning system comprising the electronic compass and a posture measuring unit comprising a MEMS gyro and an accelerometer cooperates with a control system; a digital signal processor (DSP) module is utilized as a navigation resolving part; and independent and accurate positioning of an underwater glider is realized through processes of noise reduction, temperature compensation, non-linear correction, cross-coupling compensation and dead reckoning on various sensors in a full temperature range. The integrated navigation device for an underwater glider has a small volume, a high integration level, low power dissipation, long endurance and a low cost, can fast and accurately acquire current posture and position information of an underwater glider, can keep the balance of the underwater glider, and can provide track and position parameters for the underwater glider.

Description

technical field [0001] The invention relates to a design and method of a combined navigation device for an underwater glider. The device has the characteristics of small size, low power consumption, and long flight time, and can realize accurate positioning and autonomous navigation of the underwater glider. Background technique [0002] Electronic compass can be divided into planar electronic compass and three-dimensional electronic compass. Compared with planar compass, three-dimensional electronic compass has an inclination sensor inside, which overcomes the strict limitation of planar electronic compass in use. Even if the compass tilts, the heading data still remains Exactly. Some compasses also have built-in temperature compensation to minimize temperature drift in tilt and pointing angles. Electronic compass technology is widely used abroad, but there are still some problems in underwater applications. [0003] GPS technology has a wide range of applications in navi...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G01C21/00G01C17/32G01C21/16G01S19/39
Inventor 陈熙源黄浩乾徐元刘虎周智恺
Owner SOUTHEAST UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap