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Multi-purpose environment awareness approach for single line laser scanner in a small rotorcraft UA

Krause, Stefan (2011) Multi-purpose environment awareness approach for single line laser scanner in a small rotorcraft UA. In: Journal of Intelligent and Robotic Systems. Springer. ICUAS 2011, 2011-05-24 - 2011-05-27, Denver, USA. ISBN (DOI) 10.1007/s10846-011-9572-6.

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Official URL: http://www.springerlink.com/openurl.asp?genre=article&id=doi:10.1007/s10846-011-9572-6


The work presents an environment awareness approach for a small rotorcraft unmanned aircraft (UA) which operates at low height using a single line laser scanner which enables a height estimation with a concurrent detection of ground fixed obstacles. The approach is suitable for small UA which are not able to carry complex and heavy 3D laser scanner mountings having additional drives or mirrors. It works without using external reference systems like DGPS. The approach was especially developed for a mission of the “International Micro Air Vehicle Conference” outdoor contest, where it is the aim to fly through a 6x6m artificial gate. The sensor data processing enables the height estimation above ground as well as the detection of obstacles in order to meet the mission’s goal. The height estimation enables a near-ground flight to prevent a collision with a top boundary of the gate, and a terrain following. The obstacle detection senses the pillars of the gate and finds a safe way through the narrow gate passage. The development and optimisation of the mounting and the sensor processing, as well as the validation, was realized under operational conditions with manual remote control (RC) helicopter flights and virtual flights at a simulation environment. The results of the experiments show that with this approach the mission can be fulfilled as a reliable ground estimation and object detection is ensured.

Item URL in elib:https://elib.dlr.de/70197/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Multi-purpose environment awareness approach for single line laser scanner in a small rotorcraft UA
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Krause, StefanUNSPECIFIEDhttps://orcid.org/0000-0001-6969-0036UNSPECIFIED
Date:May 2011
Journal or Publication Title:Journal of Intelligent and Robotic Systems
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
ISBN:(DOI) 10.1007/s10846-011-9572-6
Keywords:laser scanner, UA, unmanned aircraft, environment detection
Event Title:ICUAS 2011
Event Location:Denver, USA
Event Type:international Conference
Event Start Date:24 May 2011
Event End Date:27 May 2011
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Rotorcraft (old)
DLR - Research area:Aeronautics
DLR - Program:L RR - Rotorcraft Research
DLR - Research theme (Project):L - The Smart Rotorcraft (old)
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems > Unmanned Aircraft
Deposited By: Krause, Dr. Stefan
Deposited On:21 Sep 2011 15:51
Last Modified:24 Apr 2024 19:35

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