【摘要】 为了突破虚拟化学实验平台在智能和可扩展方面的限制,基于开源软件OSG(OpenSceneGraph)的技术特点,设计了三维虚拟化学实验平台。给出了利用OSG实现虚拟实验平台的框架、实现过程和功能结构,特别提供了对虚拟实验操作结果的模糊评价功能。研究了化学反应的实验现象和过程,提出了化学建模,建立了化学实验模型库;提出了化学实验的智能识别机制,综合判别仪器组合、实验药品、反应条件和与之匹配的方程式,实现了智能识别实验类型和渲染实验结果。最后通过一个实例结表明了该实验平台的可行性,并将该平台与其它平台进行比较,表明了该平台操作的灵活性和设计的优越性,为化学实验学习提供了及时、有效的支持。更多还原

【Abstract】 In order to breakthrough the constraints of virtual chemistry experiment platform in the intelligence and scalability,the virtual chemistry experiment platform has been designed based on the technical characterstics of the open source software OpenSceneGraph(OSG).The framework,the process realization and the functional structure for virtual experiment are given by using the software OSG.In particular,the fuzzy evaluation function of the virtual experiment operating result is provided.The chemical reaction phenomena and processes are studied,and the chemical modeling is proposed,furthermore the chemical experiment models library is established.The intelligent identification mechanism of chemical experiment is put forward,and the combination with the instruments,the medicaments of the experiment,the reaction conditions and the matching equations are discriminated comprehensively,then the identification the type of experiment intelligently and rendering results for the experiment are realized.Finally,the feasibility of the experimental platform is proved by using an example,and the operation flexibility and design superiority of the platform are proved by comparing the platform with other platforms.In a word,a timely,effective support for education study is provided.更多还原