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Статті в журналах з теми "Contrôle de trajectoire optimal"
Daneault, Serge. "La poursuite d’une bonne mort est-elle une utopie ?" Articles 20, no. 1 (May 8, 2008): 27–33. http://dx.doi.org/10.7202/017944ar.
Повний текст джерелаPodobryaev, A. V. "Symmetric Extremal Trajectories in Left-Invariant Optimal Control Problems." Nelineinaya Dinamika 15, no. 4 (2019): 569–75. http://dx.doi.org/10.20537/nd190416.
Повний текст джерелаSAIDI, IMEN, and NAHLA TOUATI. "APPRENTISSAGE DE COMMANDE POUR LE SUIVI DE TRAJECTOIRE D'UN PENDULE INVERSÉ À ROUE D'INERTIE NON LINÉAIRE." REVUE ROUMAINE DES SCIENCES TECHNIQUES — SÉRIE ÉLECTROTECHNIQUE ET ÉNERGÉTIQUE 68, no. 4 (December 23, 2023): 424–30. http://dx.doi.org/10.59277/rrst-ee.2023.4.17.
Повний текст джерелаFoehn, Philipp, Angel Romero, and Davide Scaramuzza. "Time-optimal planning for quadrotor waypoint flight." Science Robotics 6, no. 56 (July 21, 2021): eabh1221. http://dx.doi.org/10.1126/scirobotics.abh1221.
Повний текст джерелаSimon, Dan, and Can Isik. "Optimal trigonometric robot joint trajectories." Robotica 9, no. 4 (December 1991): 379–86. http://dx.doi.org/10.1017/s0263574700000552.
Повний текст джерелаLiu, Ke, Guanzheng Wen, Yao Fu, and Honglin Wang. "A Hierarchical Lane-Changing Trajectory Planning Method Based on the Least Action Principle." Actuators 13, no. 1 (December 26, 2023): 10. http://dx.doi.org/10.3390/act13010010.
Повний текст джерелаYin, Haolin, Baoquan Li, Hai Zhu, and Lintao Shi. "Kinodynamic RRT* Based UAV Optimal State Motion Planning with Collision Risk Awareness." Information Technology and Control 52, no. 3 (September 26, 2023): 665–79. http://dx.doi.org/10.5755/j01.itc.52.3.33583.
Повний текст джерелаAl Younes, Younes, and Martin Barczyk. "Nonlinear Model Predictive Horizon for Optimal Trajectory Generation." Robotics 10, no. 3 (July 14, 2021): 90. http://dx.doi.org/10.3390/robotics10030090.
Повний текст джерелаPeralta-Caprachin, Henry, Raul Angeles-Orahulio, and Ernesto Paiva-Peredo. "Design and Position Control of a Robot with 5 Degrees of Freedom." International Journal of Mechanical Engineering and Robotics Research 13, no. 2 (2024): 241–48. http://dx.doi.org/10.18178/ijmerr.13.2.241-248.
Повний текст джерелаZhao, Jiangying, Yongbiao Hu, Chengshuo Liu, Mingrui Tian, and Xiaohua Xia. "Spline-Based Optimal Trajectory Generation for Autonomous Excavator." Machines 10, no. 7 (July 3, 2022): 538. http://dx.doi.org/10.3390/machines10070538.
Повний текст джерелаДисертації з теми "Contrôle de trajectoire optimal"
Maillot, Thibault. "Planification de trajectoire pour drones de combat." Phd thesis, Toulon, 2013. http://tel.archives-ouvertes.fr/tel-00954584.
Повний текст джерелаAjami, Alain. "Modélisation et simulation d'une station mono-opérateur pour le contrôle de drones et la planification de trajectoire." Thesis, Toulon, 2013. http://www.theses.fr/2013TOUL0009/document.
Повний текст джерелаThe presented work is part of a larger project called SHARE, which consists in developing a universal new generation ground control station for the monitoring and the control of fixed and rotary wing UAVs (Unmanned Aerial Vehicle).The objective of this PhD thesis is to develop a generic ground control station simulator capable of simulating in real time different types of UAVs, onboard sensors, several flight environments, and various military missions which are defined according to the STANAG 4586 standard. First, we introduce the model of the different parts of the station, and then we present the architecture adopted for the simulator and the control module. The latter is divided into several hierarchical levels; the upper level contains the path planning algorithms for fixed wing HALE (High Altitude, Long Endurance) UAV. These algorithms are used to calculate an admissible path between initial and final position by minimizing a cost function.Finally, in order to manage missions online, we developed a decision support system that is capable of performing a variety of objectives. This system also supplies the operator the best paths proposed by planning algorithms. This tool aims to help the station operator to make the decision by maximizing the rewards obtained during the achieving the objectives and minimizing certain criteria (resource consumption, danger, weather,..)
Ašković, Veljko. "Aerial vehicle guidance problem through the Pontryagin Maximum Principle and Hamilton Jacobi Bellman approach." Electronic Thesis or Diss., Sorbonne université, 2023. http://www.theses.fr/2023SORUS553.
Повний текст джерелаThis thesis is mainly composed of two parts. In the first part, we investigate the large time behavior of the value function associated to an optimal control problem in the finite dimensional case. We first establish the large time asymptotic expansion in the linear quadratic (LQ) theory. We then generalize this expansion to nonlinear dynamical systems more precisely within the class of dissipative systems. In the second part, we solve numerically the guidance problem of an aerial vehicle. We first model mathematically the equations of motion. Then, we implement three methods in order to solve the problem: a direct method, an indirect method based on the continuation process and the shooting method. Finally, we implement a numerical method derived from the Hamilton Jacobi Bellman theory in order to compute optimal trajectories and at the same time the reachable sets
Rousseau, Gauthier. "Optimal trajectory planning and predictive control for cinematographic flight plans with quadrotors." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLC086/document.
Повний текст джерелаThis thesis focuses on the autonomous performance of cinematographic flight plans by camera equipped quadrotors. These flight plans consist in a series of waypoints to join while adopting various camera behaviors, along with speed references and flight corridors. First, an in depth study of the nonlinear dynamics of the drone is proposed, which is then used to derive a linear model of the system around the hovering equilibrium. An analysis of this linear model allows us to emphasize the impact of the inertia of the propellers when the latter are tilted, such as the apparition of a nonminimum phase behavior of the pitch or roll dynamics. Then, two algorithms are proposed to generate smooth and feasible cinematographic trajectories. The feasibility of the trajectory is ensured by constraints on its time derivatives, suited for cinematography and obtained with the use of the nonlinear model of the drone. The first algorithm proposed in this work is based on a bi-level optimization of a piecewise polynomial trajectory, in order to find the fastest feasible minimum jerk trajectory to perform the flight plan. The second algorithm consists in the generation of feasible, minimum time, non-uniform B-spline trajectories. For both solutions, a study of the initilization of the optimization problem is proposed, as well as a discussion about their advantages and limitations. To this aim, they are notably confronted to simulations and outdoor flight experiments. Finally, a predictive control law is proposed to smoothly and accurately control the onboard camera
Leparoux, Clara. "Optimal control under uncertainties for the vertical landing of the first stage of a reusable launch vehicle." Electronic Thesis or Diss., Institut polytechnique de Paris, 2023. http://www.theses.fr/2023IPPAE007.
Повний текст джерелаThe work in this thesis focuses on the development of a robust trajectory planning and optimal control method. It provides theoretical justifications for the method presented, proving the existence of solutions to the problem formulated. Finally, the method is applied to a trajectory planning problem for the vertical landing of a reusable launch vehicle first stage
Pham, Quang-Cuong. "Etude de trajectoires locomotrices humaines." Paris 6, 2009. http://www.theses.fr/2009PA066535.
Повний текст джерелаHomsi, Saed Al. "Online generation of time- optimal trajectories for industrial robots in dynamic environments." Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAT027/document.
Повний текст джерелаIn the field of industrial robots, there is a growing need for having cooperative robots that interact with each other and share work spaces. Currently, industrial robotic systems still rely on hard coded motions with limited ability to react autonomously to dynamic changes in the environment. This thesis focuses on providing a novel framework to deal with real-time collision avoidance for robots performing tasks in a dynamic environment. We develop a reactive trajectory generation algorithm that reacts in real time, removes the fastidious optimization process which is traditionally executed by hand by handling it automatically, and provides a practical way of generating locally time optimal solutions.The novelty in this thesis is in the way we integrate the proposed time optimality problem in a task priority framework to solve a nonlinear optimization problem efficiently in real time using an embedded system with limited resources. Our approach is applied in a Model Predictive Control (MPC) setting, which not only improves reactivity of the system but presents a possibility to obtain accurate local linear approximations of the collision avoidance constraint. The control strategies presented in this thesis have been validated through various simulations and real-world robot experiments. The results demonstrate the effectiveness of the new control structure and its reactivity and robustness when working in dynamic environments
Nour, Chadi. "L'équation de Hamlilton-Jacobi en contrôle optimal : dualité et géodésiques." Phd thesis, Université Claude Bernard - Lyon I, 2003. http://tel.archives-ouvertes.fr/tel-00003973.
Повний текст джерелаDufour, Kévin. "Génération automatique et sécuritaire de trajectoires pour un robot collaboratif." Mémoire, Université de Sherbrooke, 2017. http://hdl.handle.net/11143/11810.
Повний текст джерелаAbstract : Because collaborative robots are aimed at working in the vicinity of human workers without physical security fences, they bring new challenges about security. Even if robots can be conceived to be less harmful, their software has to integrate security features in order to be suitable for dynamic human environments. Since classical path planning algorithms require heavy calculations, it is interesting to modify the trajectory in real time to adapt it to the dangerous environment. In this research project, an inverse kinematics solver, in the form of an optimization problem, is used to generate the command of the robot to follow a trajectory defined offline. The addition of security constraints is studied: first, the manipulability index, which reflects the distance of the robot to singular configurations, is considered. Thus, it should be maximized all along the trajectory to ensure the best mobility available. Then the human is integrated by taking into account its comfort: in order to reduce the stress of working near an unpredictable moving robot, the distance between the end-effector and the human gaze is minimized to guarantee a greater visibility of the task. In both cases, we have presented a new formulation of those criteria to integrate them into the optimization problem. Moreover, the collision avoidance constraint is used, as well as the trajectory relaxation, which allows the robot to deviate from its trajectory for a certain amount of time during the task. Finally tests in simulation and with the real Baxter robot from Rethink Robotics validated our approach and the performance has been evaluated in real conditions, using a RGB-D camera and a real time human tracker software.
Talgorn, Bastien. "Décollage en cas de panne moteur : conception automatisée de trajectoire optimale." Toulouse 3, 2011. http://thesesups.ups-tlse.fr/5019/.
Повний текст джерелаIn case of engine failure during aircraft takeoff, there is a speed until which the aircraft can still break to abort the takeoff (Rejected takeoff procedure). Above this speed, the aircraft shall continue the takeoff along the SID trajectory (Standard Instrument Departure) despite the lack of thrust caused by the engine failure. The takeoff parameters must be chosen so that the security of the aircraft is guaranteed in both situations. In mountainous landscape, the obstacle clearance constraints can severely penalise the maximum takeoff weight of the aircraft. In this situation, it is possible to use an alternate trajectory: the EOSID (Engine Out Standard Instrument Departure). The ground track of the EOSID is different from the SID. This trajectory, which is only used in case of engine failure, flies over a relief that is less penalizing. This allows to reduce the regulatory obstacle clearance constraints in engine failure case and to increase the aircraft takeoff weight. The conception of an EOSID is an iterative manual on-ground process that needs several softwares. The aim of this thesis is to formulate and automate this process so as to improve the trajectory quality and to reduce the conception workload. In this aim, the conception process has been analysed and modelled as an optimization problem the objective of which is to maximise the maximum takeoff weight and to minimize the trajectory complexity. A trajectory complexity estimation method has hence been defined and integrated along with the weight within a single criterion. Then the problem is solved with a genetic algorithm that has been developed specifically to handle the trajectory definition format
Книги з теми "Contrôle de trajectoire optimal"
E, Kim, and Ames Research Center, eds. Optimal helicopter trajectory planning for terrain following flight. Moffett Field, Calif: National Aeronautics and Space Administration, Ames Research Center, 1990.
Знайти повний текст джерелаBless, Robert R. Variational trajectory optimization tool set: Technical description and user's manual. Hampton, Va: Langley Research Center, 1993.
Знайти повний текст джерелаE, Kim, and Ames Research Center, eds. Optimal helicopter trajectory planning for terrain following flight: Final report. Atlanta, Ga: School of Aerospace Engineering, Georgia Institute of Technology, 1990.
Знайти повний текст джерелаJ, Calise Anthony, Moerder Daniel D, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch., eds. Piloted simulation of an algorithm for onboard control of time-optimal intercept. [Washington, DC]: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1985.
Знайти повний текст джерелаS, Naidu D. Fuel-optimal trajectories of aeroassisted orbital transfer with plane change. Norfolk, Va: Old Dominion University Research Foundation, Dept. of Electrical and Computer Engineering, College of Engineering and Technology, Old Dominion University, 1989.
Знайти повний текст джерелаS, Naidu D. Fuel-optimal trajectories of aeroassisted orbital transfer with plane change. Norfolk, Va: Old Dominion University Research Foundation, Dept. of Electrical and Computer Engineering, College of Engineering and Technology, Old Dominion University, 1989.
Знайти повний текст джерелаBless, Robert R. Time-domain finite elements in optimal control with application to launch-vehicle guidance. Hampton, Va: Langley Research Center, 1991.
Знайти повний текст джерелаUnited States. National Aeronautics and Space Administration., ed. Hybrid motion planning with multiple destinations: Annual technical report : reporting period 06/10/97 through 06/10/98. [Washington, DC: National Aeronautics and Space Administration, 1998.
Знайти повний текст джерелаMarkopoulos, Nikos. Analytical investigations in aircraft and spacecraft trajectory optimization and optimal guidance / by Nikos Markopoulos and Anthony J. Calise. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1995.
Знайти повний текст джерелаGeorgia Institute of Technology. School of Aerospace Engineering. and Dryden Flight Research Facility, eds. A comparison of time-optimal interception trajectories for the F-8 and F-15: Final report. Atlanta, GA: Georgia Institute of Technology, School of Aerospace Engineering, 1990.
Знайти повний текст джерелаЧастини книг з теми "Contrôle de trajectoire optimal"
Aschepkov, Leonid T., Dmitriy V. Dolgy, Taekyun Kim, and Ravi P. Agarwal. "Small Increments of a Trajectory." In Optimal Control, 115–23. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-49781-5_10.
Повний текст джерелаAshchepkov, Leonid T., Dmitriy V. Dolgy, Taekyun Kim, and Ravi P. Agarwal. "Small Increments of a Trajectory." In Optimal Control, 117–26. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-91029-7_10.
Повний текст джерелаLöber, Jakob. "Optimal Control." In Optimal Trajectory Tracking of Nonlinear Dynamical Systems, 79–118. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-46574-6_3.
Повний текст джерелаBetts, John T. "Trajectory Optimization Using Sparse Sequential Quadratic Programming." In Optimal Control, 115–28. Basel: Birkhäuser Basel, 1993. http://dx.doi.org/10.1007/978-3-0348-7539-4_9.
Повний текст джерелаSonnevend, G. "Constructing Feedback Control in Differential Games by Use of “Central” Trajectories." In Optimal Control, 221–47. Basel: Birkhäuser Basel, 1993. http://dx.doi.org/10.1007/978-3-0348-7539-4_17.
Повний текст джерелаSachs, Gottfried, Klaus Lesch, Hans Georg Bock, and Marc Steinbach. "Periodic Optimal Trajectories with Singular Control for Aircraft with High Aerodynamic Efficiency." In Optimal Control, 289–304. Basel: Birkhäuser Basel, 1993. http://dx.doi.org/10.1007/978-3-0348-7539-4_21.
Повний текст джерелаJärmark, Bernt, and Henrick Bengtsson. "Near-Optimal Flight Trajectories Generated by Neural Networks." In Computational Optimal Control, 319–28. Basel: Birkhäuser Basel, 1994. http://dx.doi.org/10.1007/978-3-0348-8497-6_25.
Повний текст джерелаBonnard, Bernard, and Monique Chyba. "Singular Trajectories in Optimal Control." In Encyclopedia of Systems and Control, 1274–79. London: Springer London, 2015. http://dx.doi.org/10.1007/978-1-4471-5058-9_49.
Повний текст джерелаBonnard, Bernard, and Monique Chyba. "Singular Trajectories in Optimal Control." In Encyclopedia of Systems and Control, 1–8. London: Springer London, 2014. http://dx.doi.org/10.1007/978-1-4471-5102-9_49-1.
Повний текст джерелаBonnard, Bernard, and Monique Chyba. "Singular Trajectories in Optimal Control." In Encyclopedia of Systems and Control, 2069–74. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-44184-5_49.
Повний текст джерелаТези доповідей конференцій з теми "Contrôle de trajectoire optimal"
Galisteu, Danilo, Florian Adolf, Jörg Dittrich, Falk Sachs, and Holger Duda. "Towards Autonomous Emergency Landing for an Optionally Piloted Autogyro." In Vertical Flight Society 71st Annual Forum & Technology Display, 1–15. The Vertical Flight Society, 2015. http://dx.doi.org/10.4050/f-0071-2015-10294.
Повний текст джерелаHu, Botao, and Sandipan Mishra. "Time-optimal Trajectory Planning for Landing Onto Moving Platforms." In Vertical Flight Society 73rd Annual Forum & Technology Display, 1–9. The Vertical Flight Society, 2017. http://dx.doi.org/10.4050/f-0073-2017-12203.
Повний текст джерелаRaspaolo, Gennaro, Immacolata Notaro, Luciano Blasi, and Egidio D’Amato. "Optimal Trajectory Planning for UAV Formation Using Theta* and Optimal Control." In 2024 10th International Conference on Control, Decision and Information Technologies (CoDIT), 1369–74. IEEE, 2024. http://dx.doi.org/10.1109/codit62066.2024.10708251.
Повний текст джерелаNakamura, Takuma, Stephen Haviland, Dmitry Bershadsky, and Eric Johnson. "Vision Based Optimal Landing On a Moving Platform." In Vertical Flight Society 72nd Annual Forum & Technology Display, 1–11. The Vertical Flight Society, 2016. http://dx.doi.org/10.4050/f-0072-2016-11570.
Повний текст джерелаKehs, Michelle A., Chris Vermillion, and Hosam K. Fathy. "Maximizing Average Power Output of an Airborne Wind Energy Generator Under Parametric Uncertainties." In ASME 2015 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/dscc2015-9764.
Повний текст джерелаАnshakov, Gennadiy P., Vadim V. Salmin, Alexey S. Chetverikov, Konstantin V. Peresypkin, and Ivan S. Tkachenko. "Development of method for selecting motion control laws of space optical system on based diffractive membranes during transfer into geostationary orbit." In Information Technology and Nanotechnology-2017. IP Zaitsev V.D., 2017. http://dx.doi.org/10.18287/1613-0073-2017-1966-35-42.
Повний текст джерелаZollars, Michael D., and Richard G. Cobb. "Simplex Methods for Optimal Control of Unmanned Aircraft Flight Trajectories." In ASME 2017 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/dscc2017-5031.
Повний текст джерелаMcIntosh, Kristoff, Jean Reddinger, Sandipan Mishra, and Di Zhao. "Optimal Trajectory Generation for Transitioning Quadrotor Biplane Tailsitter using Differential Flatness." In Vertical Flight Society 77th Annual Forum & Technology Display. The Vertical Flight Society, 2021. http://dx.doi.org/10.4050/f-0077-2021-16858.
Повний текст джерелаLiu, Longxi, Zihao Wang, Yunqing Zhang, and Jinglai Wu. "Trajectory Planning of Autonomous Vehicles Based on Parameterized Control Optimization for Three-Degree-of-Freedom Vehicle Dynamics Model." In WCX SAE World Congress Experience. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2024. http://dx.doi.org/10.4271/2024-01-2332.
Повний текст джерелаEnnasr, Osama, Giorgos Mamakoukas, Todd Murphey, and Xiaobo Tan. "Ergodic Exploration for Adaptive Sampling of Water Columns Using Gliding Robotic Fish." In ASME 2018 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/dscc2018-9179.
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