Results 81 to 90 of about 9,324,290 (200)

Optimal control and guidance of homing and docking tasks using an autonomous underwater vehicle

, 2007
In this paper, the simulation results of a control and guidance strategy for homing and docking tasks using an autonomousunderwater vehicle are presented.
Jantapremjit, Pakpong, Wilson, P. A.
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Suboptimal control of nonlinear continuous-time locally positive systems using input-state linearization and SDRE approach [PDF]

, 2018
The infinite time suboptimal control problem for continuous-time nonlinear positive systems is formulated and solved. A solution to the problem using input-state linearization and state-dependent Riccati equation method (SDRE) is established, a procedure
Superczyńska, P., Bernat, J., Kołota, J., Stępień, S.   +3 more
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Application of SDRE Technique to Orbital and Attitude Control of Spacecraft Formation Flying [PDF]

, 2014
This paper proposes the application of a nonlinear control technique for coupled orbital and attitude relative motion of formation flying. Recently, mission concepts based on the formations of spacecraft that require an increased performance level for in-
M. Zamaro, MASSARI, MAURO
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Implementation of nonlinear optimal control by stable manifold method with state-dependent linear representation and application to a rotary inverted pendulum

Nihon Kikai Gakkai ronbunshu
This paper considered a new implementation method for the stable manifold method, which is one of the nonlinear optimal control methods, using the state-dependent Riccati equation (SDRE) method.
Shuta MORIMOTO, Natsuki KAWAGUCHI, Nozomu ARAKI   +2 more
doaj   +1 more source

Rendezvous Missions to Systems of Small Solar System Bodies Using the Suboptimal SDRE Control Approach

Applied Sciences
In this work, we analyze the suitability of the State-Dependent Riccati Equation (SDRE) suboptimal nonlinear control formulation for the implementation of body-fixed hovering of a spacecraft in the highly nonlinear environment engendered by the faint ...
Edson Cereja, José Manoel Balthazar, Angelo Marcelo Tusset, Vladimir Razoumny, Antonio Fernando Bertachini de Almeida Prado   +4 more
doaj   +1 more source

Real-Time Optimal Control Design for Quad-Tilt-Wing Unmanned Aerial Vehicles

Drones
Quad-tilt-wing (QTW) Unpiloted Aerial Vehicles (UAVs) combine the vertical takeoff and landing capabilities of rotary-wing designs with the high-speed, long-range performance of fixed-wing aircraft, offering significant advantages in both civil and ...
Zahra Samadikhoshkho, Michael G. Lipsett
doaj   +1 more source

SDRE APPLIED TO POSITION AND VIBRATION CONTROL OF A ROBOT MANIPULATOR WITH A FLEXIBLE LINK [PDF]

, 2016
This paper presents position and vibration control of a flexible robot composed of two rigid and one flexible links. Position is controlled by the current applied to the DC motor armature.
Jeferson José De Lima, Angelo Marcelo Tusset, Bitencourt Nascimento, Claudinor, Janzen, Frederic Conrad, Brasil, R. M. L. R. F., Nascimento, Claudinor Bitencourt, Janzen, F. C., Da Fonseca Brasil, Reyolando Manoel Lopes Rebello, Lima, J. J., Balthazar, J. M., Balthazar, Jos´e Manoel, Piccirillo, V., Tusset, A. M., Balthazar, José Manoel [UNESP], Piccirillo, Vincius, Conrad Janzen, Frederic, Lopes Rebello da Fonseca Brasil, Reyolando Manoel, Vincius Piccirillo, José Manoel Balthazar, Tusset, Angelo Marcelo, Marcelo Tusset, Angelo, Jos´e de Lima, Jeferson, De Lima, Jeferson José, Reyolando M. L. R. da Fonseca Brasil, Claudinor Bitencourt Nascimento, Frederic Conrad Janzen, Nascimento, C. B.   +26 more
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Nonlinear dynamics and control strategies: On a energy harvester vibrating system with a linear form to non-ideal motor torquet

MATEC Web of Conferences, 2012
In this paper, we deal with the research of a vibrating model of an energy harvester device, including the nonlinearities in the model of the piezoelectric coupling and the non-ideal excitation.
de Pontes B. R., Tusset A. M., Felix J.L.P., Balthazar J. M., Iliuk I.   +4 more
doaj   +1 more source

Attitude Control of Spacecraft by State Dependent Riccati Equation and Power Series Expansion of Riccati Methods [PDF]

فصلنامه علوم و فناوری فضایی, 2015
Attitude control of spacecraft in order to nonlinear and high order dynamics is fundamental and challenging issue. With respect to these nonlinearities, linear control theories are not suitable choices and spacecraft may be unstable or lose performance ...
M. Navabi, M. Tavana, H.R. Mirzaei
doaj  

Coupled orbital and attitude SDRE control system for spacecraft formation flying [PDF]

, 2011
LAUREA SPECIALISTICAIl volo in Formazione di satelliti è diventato, nell’ultimo decennio, una tematica di grande interesse nel progetto delle missioni spaziali: nell’immediato futuro si sfrutteranno ancora di più le enormi possibilità offerte da ...
ZAMARO, MATTIA
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