基于Qt/OpenGL的惯性平台数字模型驱动技术

The Digital Model Driven Technology of Inertial Platform Based on Qt/OpenGL

针对惯性平台系统内部框架结构复杂及其整机封闭测试过程中内部框架运动位置难以准确描述,提出了一种惯性平台数字模型可视化与内部框架驱动方法,并利用Qt/OpenGL开发了惯性平台三维可视化在线测试与示教系统。通过三维CAD建模软件对惯性平台进行建模,确定了OpenGL与三维CAD建模软件接口以及数字样机与实际平台测试接口。基于实时/离线平台全功能测试表明:该系统实现了数字样机对实际平台框架运动的实时跟随,直观地展示了平台内部框架结构以及框架运动过程中的相对位置关系,有效地提高了平台测试人员间的现场交流与培训效果。

Aiming at the problem of difficult description of the complex structure and the movement position of the internal frames of the inertial platform system during testing,the visualization of the digital model of the inertial platform and a method of the model driven are proposed.A three-dimensional visualization system of inertial platform for online testing and offline teaching is developed by using Qt/OpenGL.The inertial platform is modeled by a CAD modeling software,and the interface between OpenGL and the CAD software,as well as the interface between digital prototype and actual platform,are determined.The verification based on online/offline platform tests shows that the developed system realizes the real-time tracking of the digital prototype to the actual movement of the platform frames.The structure and positions of the frames during online/offline testing are displayed clearly.The developed system effectively improves the onsite communication during testing and the training among platform testing.