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Going through a window and landing a quadrotor using optical flow
Zhiqi Tang3; Rita Cunha3; Tarek Hamel1; Carlos Silvestre2
2018-11-29
Conference NameEuropean Control Conference (ECC)
Source Publication2018 European Control Conference, ECC 2018
Pages2917-2922
Conference Date12-15 June 2018
Conference PlaceLimassol, Cyprus
Abstract

This paper considers the problem of controlling a quadrotor to go through a window and land on a planar target, using an image-based controller, with only a camera and an Inertial Measurement Unit (IMU) as sensors. The maneuver is divided into two stages: crossing the window and landing on the target plane. For the first stage, a control law is proposed that guarantees that the vehicle will not collide with the wall containing the window and will go through the window with non-zero velocity along the direction orthogonal to the window, keeping at all times a safety distance with respect to the window edges. For the landing stage, the proposed control law ensures that the vehicle achieves a smooth touchdown, keeping at all time a positive height above the target plane. For control purposes, the centroids of the images of a collection of landmarks (corners) for both the window and the target are used as position measurement. The translational optical flow relative to the wall, window edges, and target plane is used as velocity cue. To achieve the proposed objective, no direct measurements of position or velocity are used and no explicit estimate of the height above the target plane or of the distance to the wall is required. Simulation results are provided to illustrate the performance of the proposed controller.

DOI10.23919/ECC.2018.8550193
URLView the original
Indexed ByCPCI-S
Language英語English
WOS Research AreaAutomation & Control Systems
WOS SubjectAutomation & Control Systems
WOS IDWOS:000467725302156
Scopus ID2-s2.0-85059819758
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Citation statistics
Document TypeConference paper
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Corresponding AuthorZhiqi Tang
Affiliation1.I3S-CNRS, Institut Universitaire de France,, NiceSophia Antipolis, France
2.Department of Electrical and Computer Engineering, University of Macau, Instituto Superior Tecnico, Universidade de Lisboa, Macao, Portugal
3.Institute for Systems and Robotics, Instituto Superior Tecnico, Universidade de Lisboa, Portuga
Recommended Citation
GB/T 7714
Zhiqi Tang,Rita Cunha,Tarek Hamel,et al. Going through a window and landing a quadrotor using optical flow[C], 2018, 2917-2922.
APA Zhiqi Tang., Rita Cunha., Tarek Hamel., & Carlos Silvestre (2018). Going through a window and landing a quadrotor using optical flow. 2018 European Control Conference, ECC 2018, 2917-2922.
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