在2021年初，Orthodrone团队拥挤自己及其设备成了一个很小的瑞士吊船，并进入了计划进行水边检查的两个水坝之一 - 鉴于冬季的许多高山路关闭了许多高山路，这并不简单。瑞士抽水储存厂通常位于难以到达的位置，可以从毫米分辨率的未经空中系统（UAS）大坝调查中受益匪浅。借助适当的测量级，指标传感器，与更传统的检查方法相比，当前的UAS可以提供更安全的访问和增加的成本效益，同时提供可比或更好的数据。
Much more than chocolate, knives and clocks: Swiss hydropower
在瑞士生产的能源的一半以上来自水电，Axpo Holding AG是瑞士最大的水力发电生产商。该项目发生的Graubünden广州占该国水力发电产生的电力的20％以上，每年总计超过79亿千瓦时。
瑞士的大多数水电都来自储存电厂和河流厂，只有4.3％的瑞士水电由泵储存水电厂提供。但是，抽水储存工厂是水电系统的重要组成部分，有助于平衡供求。在泵送的存储系统中，通过压力管道发送储层水以驱动涡轮机，从而产生电力，以供电到电网。除了在高峰使用期间提供能量外，抽水储存工厂还允许在非高峰期通过从下部储层从下层储层转移到较高储层的水从网格转换。这使它们成为平滑能源消耗的重要资源。传统上，对大坝的水边检查导致了大量的涡轮机停机。
瑞士大坝安全：国际公认的监管系统
Throughout the lifetime of a dam, appropriate operation and consistent maintenance are essential for minimizing risk. Regular inspection helps to ensure the safety and continued operation of a dam, an area in which Switzerland – highly praised by the International Commission on Large Dams – has excelled, having had no dam failures since 1887. However, conventional dam inspections require resource-intensive data collection by means of workers atop platforms suspended from the dam, providing a prime use case for UAS dam surveys to improve inspection safety and efficiency.
Unlike popular consumer-grade drones, Orthodrone’s equipment includes made-to-measure UAS and metric cameras, made specifically for surveying and inspection.第一阶段’siXM100is its favourite tool for photogrammetric data acquisition, allowing theOrthodroneteam to get the sub-millimetre-resolution data required for a detailed analysis of the safety of a dam. Compared to cameras such as the DJI Zenmuse P1, theiXM100不仅具有卓越的图像质量，而且具有更快的触发因素：在典型的两秒钟触发间隔内，DJI P1的单个镜头，IXM捕获了六个图像 - 需要更少的飞行时间来捕获必要的数据。
通过当前的设置，团队可以达到1.5mm的接地采样距离（GSD），足迹大于17 x 13m，悬停在距离大坝面约32m或60m的悬停（取决于镜头）。1mm GSD（大约12 x 9m的占地面积）在高达〜40m的距离下可能会达到约40m，而0.5mm GSD（大约6 x 4.5m的占地面积）可以达到距离大坝墙的约20m。
Complete control for sharper images
在利用前沿工业相机的同时，增加了自动化，但自动化却降低了工作。我们所有的UA都配备了实时运动学GNS，基于激光雷达的测距仪和完整的摄像头设置控制，不仅简化了后处理，而且还允许以Spot-On Focus进行更清晰的图像。
This is particularly important due to the convex shape of most dams, which poses challenges for pilots and their spotters, especially during water-side dam surveys in gusty winds. Of the two dams we surveyed, one was 127m high with a crest length of 480m, and the other was 117m high with a crest length of 560m. Such areas also require terabytes of data storage for the desired sub-millimetre resolution of the images, making them a prime use case for our onboard processing units with significantly larger data storage.
Deliverables – It’s all about perspective
借助收集的图像和衍生的多维可交付成果，大坝经理可以评估大坝面孔的异常或退化。高质量的数据对于对结构完整性的彻底评估至关重要，即使是最小的裂纹也可以通过亚毫米分辨率的UAS大坝测量来检测。这使检查人员能够确定关注的领域，然后将其正确解决以减轻风险，然后才能变成更为昂贵，可能更危险的问题。
Orthodroneis currently working on the development of a new, fully offshore capable, gas-hybrid multi-rotor UAS, which can combine twoiXM100cameras and a survey-grade Riegl Lidar while keeping the entire payload completely stable. Stability is paramount for flying in offshore conditions (or in this case, windy alpine valleys). High wind tolerance will make aborted missions due to high winds a thing of the past. The new system will also be able to carry a single, large focal length lens, enabling inspections at half-millimetre resolution from a distance of 40 metres, allowing for a new level of risk management while gathering the best possible data from afar.
关于Orthodrone
Orthodroned是您可靠的合作伙伴吗rone-based critical infrastructure inspections – including sub-millimetre photogrammetric dam surveys in hard-to-reach areas. With hours of hover time and top-of-the-line sensors,Orthodroneis revolutionizing the way we gather, process and utilize spatial data. For a closer look at one of these dams, follow the link below to see the point cloud.