Surface drone
A surface drone is a type of civil use automated measuring robots of the German manufacturer Müller-BBM. The drone is a system that provides texture data in real time.
Application[edit]
The robots automatically measure different physical properties of road surfaces and evaluate the measured data. For this purpose, the robots acquire different physical quantities with different sensors while they move over the surface. In particular, the robots determine the surface roughness and longitudinal evenness continuously over their measurement path, two relevant characteristics of road surfaces. The measurement and evaluation of the surface roughness, which is relevant in regard to roadway noise, rolling resistance and traction on wet surfaces, is carried out according to ISO 13473-1. The robots can be used within the construction process of roads e.g. after the last passage of the roller (for quality assurance) as well as during operation (to detect changes caused by traffic). The robots are mainly used by building material test laboratories and larger construction companies.[1] as well as by tire and vehicle manufacturers. For the latter, the properties of road surfaces on automotive proving grounds are of particular interest, e.g. on Pass-By test-tracks acc. to ISO 10844. According to the manufacturer, the measurement of the longitudinal evenness with the robot cannot replace the measurement according to standards, e.g. with the Planograph up to now. Other roughness measurement systems measure either point-by-point or stationary or are mounted on carrier vehicles, mostly cars[2][3]. In comparison, the surface drone systems are easier to use, so that they can also be used by non-professinals and are ready for use more quickly.
Technology[edit]
The small robots weigh about 9 lbs and travel at about 2 km/h (1.2 mph). The chassis of the robots are equipped with rubber chain-like belts. The special belt mechanism is intended to increase the contact area to the road surface compared to a chassis with wheels in order to minimize the influence of surface roughness on the height accuracy of the robot. The belts do not have any segments, like an infinity loop, and are designed with a smooth outer surface - this should also contribute to a smooth, low-vibration driving condition[4]. The sensors (laser triangulation sensor for roughness measurement, inclination sensor, GNSS sensor and optionally surface temperature sensor) are housed in a protective shell, which is constructed with selective laser sintering[5]
The motion control is done by remote control. The energy source is an accumulator allowing approximately 3 hours of continuous measuring operation. With only 4 kg system weight and being not bigger than a football the drone can not only be easily transported in the car, it also can easily fit in the airplane. There are different software modules available to calculate e.g. the rolling resistance or the rolling noise.
References[edit]
- ↑ FOERSTER, Tanja. "STRABAG SE - STRABAG-Gruppe präsentiert die neuesten Trends für das Bauen der Zukunft". www.strabag.com.
- ↑ "Acoustic properties of road markings | M+P". mp.nl.
- ↑ https://mp.nl/sites/default/files/2020-01/RGPO15021.020516.pdf
- ↑ http://www.euronoise2018.eu/docs/papers/452_Euronoise2018.pdf
- ↑ Bennet, Klein (January 20, 2017). "3D gedrucktes Gehäuse und Führungsrollen für die surface drone der Müller-BBM". 3Druck.com - The Independent AM Magazine.
External links[edit]
This article "Surface drone" is from Wikipedia. The list of its authors can be seen in its historical and/or the page Edithistory:Surface drone. Articles copied from Draft Namespace on Wikipedia could be seen on the Draft Namespace of Wikipedia and not main one.
