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Quad Rotorcraft Control - Vision-Based Hovering and Navigation (Hardcover, 2013 ed.) Loot Price: R2,170
Discovery Miles 21 700
You Save: R480 (18%)
Quad Rotorcraft Control - Vision-Based Hovering and Navigation (Hardcover, 2013 ed.): Luis Rodolfo Garcia Carrillo, Alejandro...

Quad Rotorcraft Control - Vision-Based Hovering and Navigation (Hardcover, 2013 ed.)

Luis Rodolfo Garcia Carrillo, Alejandro Enrique Dzul Lopez, Rogelio Lozano, Claude Pegard

Series: Advances in Industrial Control

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List price R2,650 Loot Price R2,170 Discovery Miles 21 700 | Repayment Terms: R202 pm x 12* You Save R480 (18%)

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Quad Rotorcraft Control develops original control methods for the navigation and hovering flight of an autonomous mini-quad-rotor robotic helicopter. These methods use an imaging system and a combination of inertial and altitude sensors to localize and guide the movement of the unmanned aerial vehicle relative to its immediate environment.
The history, classification and applications of UAVs are introduced, followed by a description of modelling techniques for quad-rotors and the experimental platform itself. A control strategy for the improvement of attitude stabilization in quad-rotors is then proposed and tested in real-time experiments. The strategy, based on the use low-cost components and with experimentally-established robustness, avoids drift in the UAV s angular position by the addition of an internal control loop to each electronic speed controller ensuring that, during hovering flight, all four motors turn at almost the same speed. The quad-rotor s Euler angles being very close to the origin, other sensors like GPS or image-sensing equipment can be incorporated to perform autonomous positioning or trajectory-tracking tasks.
Two vision-based strategies, each designed to deal with a specific kind of mission, are introduced and separately tested. The first stabilizes the quad-rotor over a landing pad on the ground; it extracts the 3-dimensional position using homography estimation and derives translational velocity by optical flow calculation. The second combines colour-extraction and line-detection algorithms to control the quad-rotor s 3-dimensional position and achieves forward velocity regulation during a road-following task.
In order to estimate the translational-dynamical characteristics of the quad-rotor (relative position and translational velocity) as they evolve within a building or other unstructured, GPS-deprived environment, imaging, inertial and altitude sensors are combined in a state observer. The text give the reader a current view of the problems encountered in UAV control, specifically those relating to quad-rotor flying machines and it will interest researchers and graduate students working in that field. The vision-based control strategies presented help the reader to a better understanding of how an imaging system can be used to obtain the information required for performance of the hovering and navigation tasks ubiquitous in rotored UAV operation."

General

Imprint: Springer London
Country of origin: United Kingdom
Series: Advances in Industrial Control
Release date: August 2012
First published: 2013
Authors: Luis Rodolfo Garcia Carrillo • Alejandro Enrique Dzul Lopez • Rogelio Lozano • Claude Pegard
Dimensions: 235 x 155 x 13mm (L x W x T)
Format: Hardcover
Pages: 179
Edition: 2013 ed.
ISBN-13: 978-1-4471-4398-7
Categories: Books > Professional & Technical > Electronics & communications engineering
Books > Professional & Technical > Transport technology
Books > Computing & IT > Applications of computing
Books > Professional & Technical > Electronics & communications engineering > Electronics engineering
Books > Professional & Technical > Transport technology > Aerospace & aviation technology
Books > Computing & IT > Applications of computing > Image processing
Books > Professional & Technical > Electronics & communications engineering > Electronics engineering > Automatic control engineering
Books > Professional & Technical > Transport technology > Aerospace & aviation technology > General
Books > Computing & IT > Applications of computing > Image processing > General
Books > Professional & Technical > Electronics & communications engineering > Electronics engineering > Automatic control engineering > Robotics
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LSN: 1-4471-4398-1
Barcode: 9781447143987

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