本文關(guān)鍵詞：岸邊集裝箱起重機(jī)駕駛員虛擬培訓(xùn)系統(tǒng)的開(kāi)發(fā)　出處：《山東建筑大學(xué)》2014年碩士論文　論文類(lèi)型：學(xué)位論文

  更多相關(guān)文章： 岸邊集裝箱起重機(jī) 虛擬現(xiàn)實(shí) 虛擬培訓(xùn) 三維建模 模型優(yōu)化 模型驅(qū)動(dòng)

【摘要】：目前,岸邊集裝箱起重機(jī)是港口碼頭主要的裝、卸船設(shè)備,隨著集裝箱運(yùn)輸業(yè)的蓬勃發(fā)展,迫切需要大量的岸邊集裝箱起重機(jī)駕駛員,然而,培訓(xùn)岸邊集裝箱起重機(jī)駕駛員是一項(xiàng)重要并且耗時(shí)的工作。在通常情況下,真實(shí)的岸邊集裝箱起重機(jī)主要應(yīng)用于實(shí)踐工作,并且從安全性的角度考慮也不便用于初學(xué)者練習(xí)操作,為此,本課題研究開(kāi)發(fā)了一種基于桌面的岸邊集裝箱起重機(jī)駕駛員虛擬培訓(xùn)系統(tǒng)。 文章主要針對(duì)如何設(shè)計(jì)系統(tǒng)結(jié)構(gòu)、確定系統(tǒng)開(kāi)發(fā)流程、創(chuàng)建系統(tǒng)三維模型、驅(qū)動(dòng)模型運(yùn)動(dòng)、實(shí)現(xiàn)碰撞檢測(cè)及其響應(yīng)、分析系統(tǒng)性能六個(gè)問(wèn)題進(jìn)行了研究,研究?jī)?nèi)容如下： (1)對(duì)真實(shí)岸邊集裝箱起重機(jī)的運(yùn)行機(jī)構(gòu)和裝、卸船流程進(jìn)行了分析,明確了這一虛擬培訓(xùn)系統(tǒng)的功能要求,繼而設(shè)計(jì)了系統(tǒng)的整體結(jié)構(gòu)；對(duì)現(xiàn)行主流建模軟件的優(yōu)缺點(diǎn)進(jìn)行了分析,確定了應(yīng)用Creator進(jìn)行系統(tǒng)的三維建模,Vega軟件進(jìn)行模型驅(qū)動(dòng)。 (2)為了更好地建立系統(tǒng)三維模型,文章介紹了Creator軟件中常見(jiàn)的建模技巧、DOF技術(shù)和模型優(yōu)化技術(shù),對(duì)真實(shí)岸邊集裝箱起重機(jī)的基本結(jié)構(gòu)、幾何參數(shù)和結(jié)構(gòu)特點(diǎn)進(jìn)行了分析,確定了該系統(tǒng)起重機(jī)建模參數(shù),創(chuàng)建了起重機(jī)的幾何模型；同時(shí),為了使虛擬起重機(jī)具備活動(dòng)能力,文章還討論了創(chuàng)建起重機(jī)DOF節(jié)點(diǎn)的方法。另外,文章還分別分析了吊具建模參數(shù)和環(huán)境模型建模參數(shù),創(chuàng)建了吊具的三維模型和環(huán)境模型,完成了系統(tǒng)的三維建模。 (3)為了能更好地理解Vega軟件驅(qū)動(dòng)模型的原理,文章介紹了Vega軟件的驅(qū)動(dòng)技術(shù),包括：模型驅(qū)動(dòng)原理和應(yīng)用程序的執(zhí)行流程；研究了通過(guò)控制起重機(jī)DOF節(jié)點(diǎn)運(yùn)動(dòng)和繩索伸長(zhǎng)、縮短的方法實(shí)現(xiàn)三大機(jī)構(gòu)運(yùn)動(dòng)；另外,文章還分析了設(shè)置系統(tǒng)多視點(diǎn)和抓取、就位集裝箱的方法,討論了如何實(shí)現(xiàn)集卡運(yùn)動(dòng)、虛擬人行走和海面波動(dòng)。為了增強(qiáng)這一仿真訓(xùn)練環(huán)境的真實(shí)感,文章進(jìn)一步研究了起重機(jī)的動(dòng)力學(xué)模型和載荷擺動(dòng)模型,根據(jù)載荷擺動(dòng)模型編程,實(shí)現(xiàn)了虛擬起重機(jī)的載荷擺動(dòng)。 (4)碰撞檢測(cè)是開(kāi)發(fā)該虛擬培訓(xùn)系統(tǒng)的一項(xiàng)關(guān)鍵技術(shù)。文章分析了基于Vega軟件的碰撞檢測(cè)原理和八種碰撞檢測(cè)方法,結(jié)合吊具在虛擬場(chǎng)景中的碰撞特點(diǎn),確定了集裝箱和吊具的碰撞檢測(cè)方法,最后,詳細(xì)討論了如何實(shí)現(xiàn)吊具與集裝箱碰撞后的碰撞響應(yīng)。
[Abstract]:At present, the quayside container crane is the main loading and unloading equipment of the port wharf. With the rapid development of the container transportation industry, there is an urgent need for a large number of quayside container crane drivers, however. Training quayside container crane drivers is an important and time-consuming task. In general, real quayside container cranes are mainly used in practice. And from the point of view of safety, it is inconvenient for beginners to practice. Therefore, a virtual training system of container crane driver based on desktop is developed in this paper. This paper mainly focuses on how to design the system structure, determine the system development process, create a three-dimensional model of the system, drive the movement of the model, achieve collision detection and its response, and analyze the performance of the system. The contents of the study are as follows: 1) the operation mechanism, loading and unloading process of the real container crane are analyzed, the functional requirements of the virtual training system are clarified, and the overall structure of the system is designed. The advantages and disadvantages of the current mainstream modeling software are analyzed, and the 3D modeling software using Creator is determined to be model-driven. In order to set up the 3D model of the system better, this paper introduces the common modeling techniques in Creator software, such as DOF technology and model optimization technology. The basic structure, geometric parameters and structural characteristics of the real container crane are analyzed, the modeling parameters of the crane are determined, and the geometric model of the crane is established. At the same time, in order to make the virtual crane have the ability to move, the paper also discusses the method of creating crane DOF node. In addition, the paper also analyzes the modeling parameters of crane and environment model respectively. The three-dimensional model and environment model of the lifting gear are established, and the three-dimensional modeling of the system is completed. 3) in order to better understand the principle of Vega software driving model, this paper introduces the driving technology of Vega software, including: model driving principle and application execution flow; This paper studies how to realize the movement of three mechanisms by controlling the movement of DOF node and the elongation and shortening of rope. In addition, the paper also analyzes the method of setting up multi-view, grab and position container, and discusses how to realize the motion of card gathering, virtual human walking and sea surface fluctuation, in order to enhance the reality of the simulation training environment. In this paper, the dynamic model and load swing model of crane are studied, and the load swing of virtual crane is realized by programming according to load swing model. Collision detection is a key technology in developing the virtual training system. This paper analyzes the principle of collision detection based on Vega software and eight collision detection methods. Combined with the collision characteristics of the crane in the virtual scene, the collision detection method of the container and the crane is determined. Finally, how to realize the collision response after the collision between the crane and the container is discussed in detail.
【學(xué)位授予單位】：山東建筑大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類(lèi)號(hào)】：U691;TP391.9

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