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针对目前无人机地面测控站导航模块的局限,提出了基于Web墨卡托投影原理的导航电子地图的设计方案,使用ImageStone类库简化了电子地图的制作,并实现了电子地图的绘制、平移及缩放功能;在此基础上完成了航迹规划、实际飞行航线的实时显示以及航线保存等功能,大大提高了地面站的导航地图与导航信息融合显示的实时性;经过无人机仿真系统的测试,验证了方案设计的合理性和可行性,该导航电子地图能够高效、准确地完成各项导航任务。
In view of the limitations of navigation module of UAV ground monitoring and control station at present, the design scheme of navigation electronic map based on Web Mercator projection principle is proposed. The use of ImageStone library simplifies the creation of electronic map and realizes the mapping and translation of electronic map And zoom function. Based on this, it completed the functions of route planning, real-time display of the actual flight route and route preservation, which greatly enhanced the real-time display of the navigation map and the navigation information of the ground station. After the UAV simulation system Test and verify the rationality and feasibility of the scheme design. The navigation electronic map can accomplish various navigation tasks efficiently and accurately.