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Languages : es
Pages : 0

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Languages : en
Pages : 0

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Zusammenfassung: Audiovisual testimony of a Holocaust survivor. Includes pre-war, wartime, and post-war experiences

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Languages : nl
Pages : 0

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Languages : en
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Zusammenfassung: Audiovisual testimony of a Holocaust survivor. Includes pre-war, wartime, and post-war experiences

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Languages : en
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Zusammenfassung: Audiovisual testimony of a Holocaust survivor. Includes pre-war, wartime, and post-war experiences

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Languages : nl
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Author: Itzhak Katra
Publisher: MDPI
ISBN: 3039438891
Category : Science
Languages : en
Pages : 144

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Soil erosion by wind is significant to Earth systems and human health. There is a strong interest in understanding the factors and processes of soil erosion by wind as well as in developing and applying methods to control dust emission from soils and to stabilize active sands. The Special Issue contains information on applications of natural and synthetic materials to reduce soil erosion, development of materials and methods, experimental methods and modeling, impacts on the soil quality and the environments, and quantification of the efficiency in dust control and sand stabilization applications.

Author: Matko Orsag
Publisher: Springer
ISBN: 3319610228
Category : Technology & Engineering
Languages : en
Pages : 246

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This text is a thorough treatment of the rapidly growing area of aerial manipulation. It details all the design steps required for the modeling and control of unmanned aerial vehicles (UAV) equipped with robotic manipulators. Starting with the physical basics of rigid-body kinematics, the book gives an in-depth presentation of local and global coordinates, together with the representation of orientation and motion in fixed- and moving-coordinate systems. Coverage of the kinematics and dynamics of unmanned aerial vehicles is developed in a succession of popular UAV configurations for multirotor systems. Such an arrangement, supported by frequent examples and end-of-chapter exercises, leads the reader from simple to more complex UAV configurations. Propulsion-system aerodynamics, essential in UAV design, is analyzed through blade-element and momentum theories, analysis which is followed by a description of drag and ground-aerodynamic effects. The central part of the book is dedicated to aerial-manipulator kinematics, dynamics, and control. Based on foundations laid in the opening chapters, this portion of the book is a structured presentation of Newton–Euler dynamic modeling that results in forward and backward equations in both fixed- and moving-coordinate systems. The Lagrange–Euler approach is applied to expand the model further, providing formalisms to model the variable moment of inertia later used to analyze the dynamics of aerial manipulators in contact with the environment. Using knowledge from sensor data, insights are presented into the ways in which linear, robust, and adaptive control techniques can be applied in aerial manipulation so as to tackle the real-world problems faced by scholars and engineers in the design and implementation of aerial robotics systems. The book is completed by path and trajectory planning with vision-based examples for tracking and manipulation.