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VR-based ship magnetic compass deviation correction training system and method

A self-difference correction and training system technology, applied in the field of virtual reality, can solve the problems that the training effect and safety are difficult to be guaranteed, the number of training is limited, and the ship magnetic compass self-difference correction training cannot be performed, etc., to achieve strong real-time interaction and realism Effect

Pending Publication Date: 2020-06-02
FUJIAN CHUANZHENG COMM COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In view of the above problems, the object of the present invention is to provide a VR-based ship magnetic compass self-difference correction training system and method to solve the current trainees' inability to complete the ship magnetic compass self-difference correction training in the laboratory, and to train on a real ship, not only The cost is high, and due to the limited number of training sessions, it is difficult to guarantee the training effect and safety.

Method used

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  • VR-based ship magnetic compass deviation correction training system and method
  • VR-based ship magnetic compass deviation correction training system and method
  • VR-based ship magnetic compass deviation correction training system and method

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Experimental program
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Embodiment 1

[0040] see figure 1 , a VR-based ship magnetic compass self-difference correction training system, using the good immersion and interactivity of VR virtual simulation technology, can simulate the realistic situation of the ship's magnetic compass self-difference correction operation under the state of ship navigation, training Personnel can rely on the system for ship magnetic compass self-difference correction training purposes.

[0041] The system includes six modules, which are system parameter and coefficient value setting module; virtual gyro compass module; scene virtual enhancement module; virtual simulation magnetic compass module; self-difference correction toolbox module; human-computer interaction module.

[0042] The system parameter and coefficient value setting module is mainly set by the trainer according to the ship's geographical location, ship type and other parameters to set the ship's latitude and longitude, date, time, nine ship soft iron coefficient value...

Embodiment 2

[0049] A VR-based ship magnetic compass self-difference correction simulation method adopts a VR-based ship magnetic compass self-difference correction training system in the first embodiment; comprising the following steps:

[0050] S1. Setting of system parameters and coefficient values:

[0051] Although the values ​​of the ship's hard iron force P, Q, R and the nine soft iron coefficients a, b, c, d, e, f, g, h, k cannot be measured by equipment and instruments in practice, but The setting of the size and direction of these parameters only affects the preset magnetic compass self-difference calculated according to the precise calculation formula of the magnetic compass self-difference when the ship is in a normal state. As long as the range is set reasonably, it will not affect the realization of the system function. For the value range setting of the ship's hard iron force P, Q, R and the nine soft iron coefficients a, b, c, d, e, f, g, h, k, you can use their values Inf...

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Abstract

The invention relates to a VR-based ship magnetic compass deviation correction training system, which comprises a system parameter and coefficient value setting module, a virtual gyrocompass module, ascene virtual enhancement module, a virtual simulation magnetic compass module, a deviation correction tool box module and a man-machine interaction module, wherein the system parameter and coefficient value setting module is used for setting system parameters and coefficient values required by magnetic compass deviation correction training; the virtual gyrocompass module is used for providing and displaying the course of a ship electric gyrocompass; the scene virtual enhancement module is used for constructing a three-dimensional VR virtual marine scene and a VR ship virtual entity; the virtual simulation magnetic compass module is used for constructing a three-dimensional simulation magnetic compass structure model, a mathematical model of magnetic compass pointing deviation caused by ship magnetism, a mathematical model for deviation correction of the magnetic compass by various correctors and course display of the magnetic compass; the deviation correction tool box module comprises correction tools for various deviation corrections of the magnetic compass; and the man-machine interaction module comprises a course control module used for controlling the course of the ship virtual entity and a training student correction behavior input module used for simulating magnetic compass deviation correction.

Description

technical field [0001] The method of the invention relates to the field of virtual reality, in particular to a VR-based self-difference correction training system for a ship's magnetic compass. Background technique [0002] As a frontier research direction of computer applications, virtual reality technology is a comprehensive development of computer technology, sensor technology, human-computer interaction technology, artificial intelligence technology, and other technologies. At present, it has been applied in various aspects such as military medical education and entertainment, manufacturing, engineering training, etc., and is considered to be one of the important technologies that will affect people's lives at present and in the future. [0003] At present, gyrocompasses are generally installed on ocean-going ships. Compared with magnetic compass, gyrocompass has the advantages of stable pointing, small compass error and constant error, but the structure of gyrocompass i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B9/00
CPCG09B9/00Y02A90/30
Inventor 李文明王霞
Owner FUJIAN CHUANZHENG COMM COLLEGE