基于Delta3D三維虛擬實驗室的虛擬儀器的設計與實現
[Abstract]:With the development of virtual experiment technology, the application value of virtual laboratory in the field of education is more and more high. On the one hand, it can assist the scientific research work of the school, on the other hand, it can also be interactive and demonstrable in experimental teaching. Make students easy to understand, interesting, easy to maintain and other advantages. Compared with the traditional laboratory, virtual laboratory is characterized by its separation from the real experimental environment, and at the same time, it gives the experimental operator an immersive experimental platform. Operators can create experiments in the lab as they wish without putting the production environment at risk. Therefore, the establishment of a set of widely used virtual laboratories has been included in many colleges and universities. Among them, the design of virtual instrument and virtual instrument, as part of the experiment, is used to show a complete experiment, and the interface is used as the facade of human-computer interaction. The operator can easily select the instrument to assemble experiment through the text description and instrument list on the interface to achieve the purpose of virtual teaching. In this paper, the game development engine Delta3D is used to build the whole virtual experiment system, in which QT is integrated with Delta3D API as an open source GUI library, and QT is used to develop the secondary interface related to the instrument. At the same time, the design of 3D instrument using 3DS MAX model making software is an extended class library of OSG. The main function is to design two-dimensional virtual instrument panel. This paper reencapsulates the bottom code of osg Gauge and turns it into dtGauge module in Delta3D. In this way, the instrument panel on the three-dimensional virtual instrument can be designed. After designing a series of general template codes, users need only change the model or use different maps to get virtual instruments with similar functions. The template code can be exported to a set of instrument development libraries. In this paper, a series of models and maps are designed to test their functions, including ammeter, voltmeter, multimeter, vehicle dashboard, and other models used in the experiment. Finally, a virtual experiment is realized and demonstrated by the instrument programming. The virtual experiment system can be extended and can be programmed only by designing the relevant model according to the requirement. As a supplement to classroom teaching, this system provides students with more cognitive sense of physics experiments, popularizes basic education and arouses students' interest in learning. At the same time, many practical problems have been solved, such as insufficient experimental funds, low quality and insufficient quantity of experimental equipment in some primary and secondary schools.
【學位授予單位】:廣東工業(yè)大學
【學位級別】:碩士
【學位授予年份】:2017
【分類號】:G424;TP391.9
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