2014 IEEE International Conference on Robotics and Automation (ICRA) 2014
DOI: 10.1109/icra.2014.6907839
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Automatic collision avoidance for manually tele-operated unmanned aerial vehicles

Abstract: In this paper we present an approach that aids the human operator of unmanned aerial vehicles by automatically performing collision avoidance with obstacles in the environment so that the operator can focus on the global direction of motion of the vehicle. As opposed to systems that override operator control as a last resort in order to avoid collisions (such as those found in modern automobiles), our approach is designed such that the operator can rely on the automatic collision avoidance, enabling intuitive … Show more

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Cited by 43 publications
(27 citation statements)
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“…Previous works [3] [10] [12] require a geometric representation of obstacle surfaces to represent obstacle avoidance constraints as linear inequalities of the form Ax ≤ b. While it is straightforward to use these inequality constraints to optimize a safe trajectory, it is non-trivial to find the normal and boundary of obstacle surfaces from real sensor data.…”
Section: A Environment Representation and Sensor Modelmentioning
confidence: 99%
“…Previous works [3] [10] [12] require a geometric representation of obstacle surfaces to represent obstacle avoidance constraints as linear inequalities of the form Ax ≤ b. While it is straightforward to use these inequality constraints to optimize a safe trajectory, it is non-trivial to find the normal and boundary of obstacle surfaces from real sensor data.…”
Section: A Environment Representation and Sensor Modelmentioning
confidence: 99%
“…Although stable hover control (Azinheira & Moutinho, ; Hancer, Oner, Sirimoglu, & Unel, ) and collision avoidance (Israelsen et al., ; Ross et al.,, ) are an alternative approach for UAV control, we prefer the physical protection. This is because wind gusts around a bridge can be strong and may exceed limits of the control response.…”
Section: Introductionmentioning
confidence: 99%
“…This method calculates the guidance law of avoidance manoeuvre according to the relative distance, speed, acceleration, angle, etc., between the aircraft and threats, but it is difficult to apply in complex threat airspace. (2) The second method is based on real-time path planning [9][10][11][12]. With the development of research in this field, many path-planning approaches with significant improvement in timeliness have been proposed, such as artificial potential-field approaches, A Ã algorithm, artificial heuristic approaches and samplingbased path-planning approaches, etc., which can be applied to common path-planning problems in dynamic environments.…”
Section: Introductionmentioning
confidence: 99%