线在哪里？Augmented perception of utilities with AR and GNSS

作者：Renata BarradasGutiérrez

Efficiently distributing electricity and natural gas through a network of 10,794.6 kilometres of overhead lines and underground cables and more than 2,000 kilometres of natural gas pipeline systems is a colossal endeavour.Vorarlberger Energienetze GmbH（Vorarlberg Netz）是电力和天然气网格电网操作员，该网络在奥地利最西端的州Vorarlberg维持该网络的供应可靠性高和优异的服务质量。

Beyond the extension of the network, some of the challenges the company faces are the terrain, with two thirds of the land area in mountainous regions, and not being able to visualise the lines, as 94% of the electricity cables are underground.

“知道这些线路的位置在确保不间断的供应方面起着重要作用。理论上听起来很简单的内容通常会导致实践中的挑战。完成施工后，表面上不可见电源电缆和管道。一段时间后，即使是最有经验的员工也无法再回答“线路在哪里？”的问题。explains Sebastian Drexel, GIS administrator and developer at vorarlberg netz. “This is one of the main reasons why each line is surveyed and centrally saved within the company’s GI-system. So far, restoring lines in nature has been a time-consuming task performed by specially-trained staff.”

在3D中以调查级准确性可视化实用程序

为了使恢复线的任务更容易，Vorarlberg Netz使用了最新的增强现实（AR）和GNSS。AR技术将数字信息叠加在提供可行的信息以解决问题或特定任务的环境上。与GNS相结合，用户可以以调查级准确性可视化和定位实用程序。

Digitally visualising georeferenced utilities in 3D allows vorarlberg netz field staff to intuitively experience in real-time the underground supply infrastructure and enhance natural environments via smart devices. “我们的服务技术人员对通过增强现实的简单和直观可视化充满热情，” says Drexel.

vorarlberg netz used theLeica GG04 plus smart antenna结合vGISUtilities, a utility-grade AR system for ESRI ArcGIS designed for municipalities and public utility companies. The GG04 plus smart antenna collects high-accuracy geospatial data in real time, even in the most demanding locations without the need for a mobile data connection. The antenna also pairs with all existing莉卡·泽诺（Leica Zeno）handhelds and a wide range of Android, iOS or Windows® smart devices.

To precisely position utilities, the team uses the GG04 plus withHxGN SmartNet, the world’s largest reference network, for open-standard correction service. The integration between vGIS and GG04 plus smart antenna enables access to NMEA metadata and survey-grade, few centimetre positioning. The vorarlberg netz team quickly and easily configured the GG04 plus GNSS smart antenna to be used with vGIS on a smartphone, tablet or Microsoft HoloLens.

“We opted for the Leica GG04 plus antenna, as it is relatively low-priced, small, handy and can be coupled with mobile devices. The last of these points is crucial since the AR software runs on an Android or iOS tablet or smartphone,”explains Drexel. “由于简单的设置，与移动设备的连接，可靠性和产品的高精度相比，建议使用VGIS和GG04 Plus的组合。”bob综合app下载

申请and benefits of AR and georeferenced utilities

vGIS, paired up with GNSS, allows users to ‘see’ GIS utilities in real time through the ground. This improves situational awareness, helps to locate utilities faster, with fewer errors, and in a safe manner. vorarlberg netz is currently using AR at a pilot stage to develop the know-how, search, validate, and introduce practical applications. Currently, the company is benefiting most from four different applications:

1. Inspection of supply routes for constructions or plant coverings and location of faults along lines.
2. Restoration of lines in nature before construction activities.
3. 不容易看到的资源的位置，例如被碎石或雪覆盖的关闭设备。
4. Coordination and clarification of construction activities to external companies.

Vorarlberg Netz还寻求将地理参考实用程序的可视化与3D模型相结合。电力和天然气网络网格操作员使用列卡地理系统的陆地激光扫描单元来捕获现有基础架构的点云数据，该数据可以进一步转换为BIM模型。这些信息将成为设施管理的基础，负责维护例如建筑物或变压器站。

“The use of modern BIM technologies in our company requires, in addition to the planning of new objects, the collection of inventory data using a laser scanner. In combination with 3D GIS data, this opens up new possibilities in the area of facility management and the visualisation of the digital twin with Augmented Reality,”says Andreas Mätzler, head of geoinformatics at vorarlberg netz.

使用GNSS对公用事业的AR的好处包括：

• 可视化3D中的GIS数据，以定位并找到地下公用事业。
• 更快地发现地面GIS数据位置问题，降低收集成本。
• 改善路线控制，以使人满为患，犯规和沿电缆路线的故障位置。
• 简化测量师对电缆的利益。
• Search and locate resources and subterranean infrastructure that are not readily visible, such as shut-off devices covered by gravel or snow.
• Improve site coordination and clarification of grave work.

Providing multiple services to transport energy and natural gas

Despite the transport of electrical energy and natural gas from the feed-in points of the transmission network by vorarlberg netz, the parent companyIllwerke VKW AG还可以进行一般技术调查，海床调查和工程测量工程，以进行隧道前进。对于这些努力，该公司还使用Leica Geosystems解决方案，包括：

• 速符
• GNSS receivers
• 水准测量仪器
• 激光扫描仪

“We use Leica Geosystems products for surveying electric and gas lines as well as part of GIS services for external customers,”Vorarlberg Netz的网格和地理信息负责人Marco Ess解释说。