通过自动化机器控制改善基础架构

作者：Karina Lumholt

位于斯德哥尔摩东北约25公里处的瑞典市Värmdö城市是一个非常有吸引力的居民区，靠近群岛，距离首都仅20分钟路程。市政当局拥有大量的避暑别墅，目前正在转变为永久住宅，并要求饮用水，污水，宽带和更好的道路供应更高。

Värmdö municipality assigned Frentab AB as the contracting construction company for the work at Skerviksstrand, the project is to be completed by the end of 2018. Frentab AB is a 30-year-old family-owned construction company specialised in building and infrastructure, including projects in residential areas like Skeviksstrand where the work must be performed respecting nature and the people living in the area. This is a representative project where machine control is put extensively to use.

The link between the office and the machines

伊萨克松乔纳斯是经理人员ce in Gustavsberg, Sweden. He is usingLeica Conxtotrack machines, manage 15 excavators working on the project, and to assign reference models and localisation files to the machines。Isaksson还使用CONX从机器收集了造成的文档，以与机器运营商进行远程通信。

Using the iXE CoPilot function for the final grade

Machine operator Bertil Jakobsson has been working on the site for 15 months digging trenches down to approximately 60 centimetres for water and waste water pipes, electrical cables and broadband. As it is very common for machine operators, Bertil has a nickname; “Berra” – it is even printed on the cabin of his Volvo EC250EL excavator.

Jakobsson使用Leica iCON iXE33D挖掘机机控制解决方案。“如果没有机器控制，我就会好像我是失明的一样，”Jakobsson explains.“I am no longer dependent on a surveyor to get my job done. I used to spend a lot of time waiting for a surveyor to come to the job site, now I can do everything myself.”

Jakobsson is one of the first machine operators in the world to work with the Leica iXE3 CoPilot. The world’s first automated tilt rotator solution自动在挖掘机上自动倾斜功能配备有倾斜旋转器的水桶。这个系统simplifies the operation of the tilt rotator, so operators like Berra become less fatigued and achieve the correct target slope.

“我曾在Tollare进行一个大型项目，并进行了大量的平面表面。在这种情况下，IXE3 Copilot对我有很大的帮助，因为我没有累，并且更快地获得了正确的成绩。在这样的项目中，在Värmdö中，我使用ixe3副副函数在渐变器到达之前创建最终层。优点是我不必一直看面板。我只是按住操纵杆上的自动化按钮 - 这使我的工作更简单，更快，”雅各布森说。

Use of 2D machine control when nature comes in the way

One of the challenges when working in an area with several buildings and tall trees is that the GNSS signals can be lost, making it momentarily impossible to use the 3D machine control solution. When the GNSS coverage is lost, Jakobsson changes to the 2D mode on the panel and a surveyor has to set up the reference points.“The problem today is that often there is no backup plan for situations like these, because we no longer have surveyors that are standing ready to go out for the more traditional surveying tasks, so I have to wait,”解释说雅各布森。

Alternatively, Jakobsson can move the excavator to a place with更好的GNSS覆盖范围，并使用挖掘机设置一个参考点并在死点中工作。

“The versatility of the machine control solution and the possibility of switching between 3D and 2D mode is a great advantage for us when working on projects like this,”concludes Jakobsson.