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Ship Driving System Visual Simulation Research Based on OSG

Author: LvQingLun
Tutor: ChenNing
School: Jiangsu University of Science and Technology
Course: Marine Engineering
Keywords: Power plant OSG multi-channel viewpoint follows
CLC: U664.82
Type: Master's thesis
Year: 2011
Downloads: 46
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Abstract

Simulation technology has been applied to ship for many years, and marine power plant system simulation is a hot point of it. By the simulation of a particular model of ship power plant system, we can get the related data of this power plant system, we can achieve power system operation control without the real ship’s propulsion test and bench test. At present many research institutes have launched the corresponding areas the visualization of study, but mostly based on a specific software research, such as Vega, so as to make research costs rise accordingly, and the secondary development difficulties. That has cannot satisfy the modern virtual reality visualization development requirements already.This article based on the currently used more widely with the 3D rendering engine OpenSceneGraph (OSG) and development of ship’s visualization systems. OSG has been spread quickly with its open source characteristics in virtual community, influenced more and more developers and its application fields are more and more widely. Visual’s display parts all depend on OSG rendering function. This topic’s research is the power unit of the motion simulation visualization, use Matlab software to simulation the power device, with the Windows under VS2005 software development platform, using c++ language to management simulation of operation and the simulation, the data storage and reading is to use SQL 2000 database. First invoking the Matlab software, compute simulation results then write to SQL database, the foreground to show is using OSG powerful rendering functions, including dynamic Marine rendering, port model shows, sports ship rendering etc are all on the front desk machine to finish. Thus put a lot of work content distribution to two computers to operate, also can make the single configuration relatively low, and reduce development costs.The sea what we used is the Water project which relatively popular in internet by Wangrui, the port is copied natural deep water port in China yang Shan port, according to the proportion of the real model, the characteristic construction method is Donghai bridge.Display section are mainly divided into the keyboard drive roaming and ship read data automatically run two parts, roaming manipulation using OSG mainly osgGA interaction class library, this article’s many classes are inherited from this. In addition, in order to meet the driving effect, still set a viewpoint follow effect, roaming and automatic operation also set the viewpoint to follow them. This topic has a strong meaning in actual use, especially in the first person role in improving roaming, based on the completed model, we can the follow-up developed handles and digital gloves interactive methods, and can follow-up developed handles and digital gloves interactive methods, base on the operation that we can browse some large shipyards or ships which is difficult to see in schools and LABS. The researchers and learners are able to have a more sensible intuitive understanding in their learned domains.

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