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Nonlinear backstepping control for an underactu...
37,00 € *
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This book proposes a new trajectory tracking control approach for an underactuated stratospheric airship. There is a two-level structure of the proposed controller. A low-level controller based on nonlinear backstepping method, with the rigid body dynamics expressed on vector form, stabilizes the attitude and velocity of the airship, while a high-level controller performs guidance and trajectory tracking task in the three dimensional (3-D) space. Furthermore, a control allocation module based on active set algorithm is incorporated into the low-level controller to optimize the practical control inputs under constraints of actuator saturation. The closed-loop trajectory tracking control plant is proved to be globally exponentially stable through Lyapunov theory. Finally, simulations show that nonlinear backstepping trajectory tracking controller can achieve desired tracking performances even if the airship is affected by time delay inputs and exogenous disturbances.

Anbieter: Dodax AT
Stand: 25.01.2020
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New Approach and Results on the Stability and C...
69,80 € *
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A great interest in the utilization of unmanned airships has grown in the past few years, due to their potential applications in surveillance, exploration and monitoring tasks. The airships are aerospace vehicles that get most of their lifting capability from aerostatic or buoyant lift, using gases which are lighter than air. A project involving an unmanned airship prototype, with the partnership of the University Federico II , led to this research work concerning new stability and control methods and approaches for airship.

Anbieter: Dodax AT
Stand: 25.01.2020
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New Approach and Results on the Stability and C...
67,90 € *
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A great interest in the utilization of unmanned airships has grown in the past few years, due to their potential applications in surveillance, exploration and monitoring tasks. The airships are aerospace vehicles that get most of their lifting capability from aerostatic or buoyant lift, using gases which are lighter than air. A project involving an unmanned airship prototype, with the partnership of the University Federico II , led to this research work concerning new stability and control methods and approaches for airship.

Anbieter: Dodax
Stand: 25.01.2020
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Autonomous Navigation
50,40 € *
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Autonomous Navigation Helium Airship: This book gives a comprehensive account of the design and development of a GPS based auto-navigation system for a propeller-driven medium sized airship, also known as blimp. A PID control algorithm working with orientation and positioning sensors along with actuators for thrust, heading and pitch control, constitute the complete system for tri-axial autonomous motion. The system also has a manual mode for full handheld control. The airship has a live data and video link with a base station that is running a Windows based mapping application. The same application can be used to plan and upload the complete mission that the user wants to carry out in the autopilot mode. The airship can be used for various applications such as aerial photography, video, surveillance, payload delivery and advertisement.

Anbieter: Dodax AT
Stand: 25.01.2020
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Autonomous Navigation
49,00 € *
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Autonomous Navigation Helium Airship: This book gives a comprehensive account of the design and development of a GPS based auto-navigation system for a propeller-driven medium sized airship, also known as blimp. A PID control algorithm working with orientation and positioning sensors along with actuators for thrust, heading and pitch control, constitute the complete system for tri-axial autonomous motion. The system also has a manual mode for full handheld control. The airship has a live data and video link with a base station that is running a Windows based mapping application. The same application can be used to plan and upload the complete mission that the user wants to carry out in the autopilot mode. The airship can be used for various applications such as aerial photography, video, surveillance, payload delivery and advertisement.

Anbieter: Dodax
Stand: 25.01.2020
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Aerospace engineering
101,80 € *
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Aerospace engineering - Aircraft, Spacecraft, Aeronautics, Astronautics, Aviation history, Laser propulsion, Aeroacoustics, Aerobraking, Aerocapture, Aerodynamics, Aeroelasticity, Aerospike engine, Aerostat, Air-augmented rocket, Aircraft flight control systems, Aircraft flight mechanics, Airlock, Airship, Alcubierre drive, Angle of attack, Angular momentum, Angular velocity, Antimatter rocket, Apsis, Arcjet rocket, Areal velocity, Orbital mechanics, Atmospheric reentry, Attitude dynamics and control, Avionics, Action (physics), Acceleration, Beam-powered propulsion, Bernoulli's principle, Liquid-fuel rocket, Bleed air, Buoyancy, Bussard ramjet, Control engineering, De Laval nozzle, Compressibility, Elliptic operator, Expander cycle (rocket), Flight dynamics, Fluid dynamics, Fluid mechanics, Geostationary orbit, Gravitational constant, Hohmann transfer orbit, HyShot, Interplanetary spaceflight, Interstellar travel, Jet engine, Kepler's laws of planetary motion, Kessler Syndrome, Multistage rocket, Navier Stokes equations, Newton's laws of motion, Orbital airship, Orbital station-keeping, Parallel axis theorem, Relativistic rocket, Rocket engine nozzle, Rocket propellant, Solid-fuel rocket, Sound barrier, Space Shuttle main engine, Space technology, Special relativity, Staged combustion cycle (rocket), Supersonic, Sweep theory, Yaw, pitch, and roll, Tether propulsion, Thermodynamics, Tripropellant rocket, Viscometer, Vortex generator, Weight function

Anbieter: Dodax AT
Stand: 25.01.2020
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Aerospace engineering
99,00 € *
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Aerospace engineering - Aircraft, Spacecraft, Aeronautics, Astronautics, Aviation history, Laser propulsion, Aeroacoustics, Aerobraking, Aerocapture, Aerodynamics, Aeroelasticity, Aerospike engine, Aerostat, Air-augmented rocket, Aircraft flight control systems, Aircraft flight mechanics, Airlock, Airship, Alcubierre drive, Angle of attack, Angular momentum, Angular velocity, Antimatter rocket, Apsis, Arcjet rocket, Areal velocity, Orbital mechanics, Atmospheric reentry, Attitude dynamics and control, Avionics, Action (physics), Acceleration, Beam-powered propulsion, Bernoulli's principle, Liquid-fuel rocket, Bleed air, Buoyancy, Bussard ramjet, Control engineering, De Laval nozzle, Compressibility, Elliptic operator, Expander cycle (rocket), Flight dynamics, Fluid dynamics, Fluid mechanics, Geostationary orbit, Gravitational constant, Hohmann transfer orbit, HyShot, Interplanetary spaceflight, Interstellar travel, Jet engine, Kepler's laws of planetary motion, Kessler Syndrome, Multistage rocket, Navier Stokes equations, Newton's laws of motion, Orbital airship, Orbital station-keeping, Parallel axis theorem, Relativistic rocket, Rocket engine nozzle, Rocket propellant, Solid-fuel rocket, Sound barrier, Space Shuttle main engine, Space technology, Special relativity, Staged combustion cycle (rocket), Supersonic, Sweep theory, Yaw, pitch, and roll, Tether propulsion, Thermodynamics, Tripropellant rocket, Viscometer, Vortex generator, Weight function

Anbieter: Dodax
Stand: 25.01.2020
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Acanfora, M: New Approach and Results on the St...
67,90 € *
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Erscheinungsdatum: 15.08.2014, Medium: Taschenbuch, Einband: Kartoniert / Broschiert, Titel: New Approach and Results on the Stability and Control of Airship, Autor: Acanfora, Maria, Verlag: SPS, Sprache: Englisch, Rubrik: Fahrzeuge // Flugzeuge, Schiffe, Allgemeines, Seiten: 136, Informationen: Paperback, Gewicht: 219 gr, Verkäufer: averdo

Anbieter: averdo
Stand: 25.01.2020
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Lighter than Air Robots
147,35 € *
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An aerial robot is a system capable of sustained flight with no direct human control and able to perform a specific task. A lighter than air robot is an aerial robot that relies on the static lift to balance its own weight. It can also be defined as a lighter than air unmanned aerial vehicle or an unmanned airship with sufficient autonomy. Lighter than air systems are particularly appealing since the energy to keep them airborne is small. They are increasingly considered for various tasks such as monitoring, surveillance, advertising, freight carrier, transportation.This book familiarizes readers with a hierarchical decoupled planning and control strategy that has been proven efficient through research. It is made up of a hierarchy of modules with well defined functions operating at a variety of rates, linked together from top to bottom. The outer loop, closed periodically, consists of a discrete search that produces a set of waypoints leading to the goal while avoiding obstacles and weighed regions. The second level smoothes this set so that the generated paths are feasible given the vehicle's velocity and accelerations limits. The third level generates flyable, timed trajectories and the last one is the tracking controller that attempts to minimize the error between the robot measured trajectory and the reference trajectory.This hierarchy is reflected in the structure and content of the book. Topics treated are: Modelling, Flight Planning, Trajectory Design and Control. Finally, some actual projects are described in the appendix. This volume will prove useful for researchers and practitioners working in Robotics and Automation, Aerospace Technology, Control and Artificial Intelligence.

Anbieter: Dodax
Stand: 25.01.2020
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