Development and use of a remotely controlled boat »Hi3«
- Authors: Matej Sečnik, Mitja Brilly, Andrej Vidmar
- Citation: Acta hydrotechnica, vol. 28, no. 49, pp. 149-161, 2015.
- Abstract: At the Faculty of Civil and Geodetic Engineering of the University of Ljubljana we developed a remote-controlled boat - trimaran, which we named "HI3". The radio-controlled boat was designed and developed in order to facilitate water velocity and bathymetry measurements. The boat has a length of 2 m and its draft is 0.1 m. It is equipped with the SonTek RiverSurveyor M9 instrument designed for measuring open channel hydraulics (discharge and bathymetry). The boat is powered by two electric motors. Steering is achievedwith changing the power applied to left or right motor. Furthermore, the boat “Hi3” can be powered either by a gasoline electric generator or by lithium batteries. Using the boat we performed bathymetry measurements of theLjubljanica River. Measurements were performed under the motorway bridge on the southern Ljubljana bypass. It is known that under the bridge there is a threshold that was built during the construction of the southern Ljubljana bypass. The purpose of the threshold is to stabilize the slopes under the motorway bridge. In early 2012, we measured the bathymetry under the motorway bridge. In April 2014 the measurements were repeated using the same equipment installed in the newly developed boat. Bathymetry measurements from both years were comparedand were the same. Thus, we confirmed the reliability of using "HI3" for performing hydrometric measurements.
- Keywords: hydrology, ADP, Ljubljanica River, bathymetry measurements, remote controlled boat
- Full text: a49ms.pdf
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