Academic literature on the topic 'Estimation par horizon mobile'
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Journal articles on the topic "Estimation par horizon mobile"
Wang, Xuezhi, Branko Ristic, Braham Himed, and Bill Moran. "Trajectory Optimisation for Cooperative Target Tracking with Passive Mobile Sensors." Signals 2, no. 2 (April 7, 2021): 174–88. http://dx.doi.org/10.3390/signals2020014.
Full textLiu, Andong, Wen-An Zhang, Michael Z. Q. Chen, and Li Yu. "Moving Horizon Estimation for Mobile Robots With Multirate Sampling." IEEE Transactions on Industrial Electronics 64, no. 2 (February 2017): 1457–67. http://dx.doi.org/10.1109/tie.2016.2611458.
Full textGrishin, Vladimir A., and Igor A. Maslov. "Horizon Line Stability Observations over the Sea." Journal of Navigation 71, no. 2 (October 2, 2017): 437–53. http://dx.doi.org/10.1017/s0373463317000650.
Full textYang, Kai, Zhensen Wu, Xing Guo, Jiaji Wu, Yunhua Cao, Tan Qu, and Jiyu Xue. "Estimation of co-channel interference between cities caused by ducting and turbulence." Chinese Physics B 31, no. 2 (January 1, 2021): 024102. http://dx.doi.org/10.1088/1674-1056/ac339c.
Full textSAKAETA, Kuniyuki, Kazuki KIMURA, Kenichiro NONAKA, and Kazuma SEKIGUCHI. "Mobile Robot Localization Integrating LRF Map-matching and Odometry Based on Moving Horizon Estimation Considering Singular Environments." Transactions of the Society of Instrument and Control Engineers 53, no. 6 (2017): 355–65. http://dx.doi.org/10.9746/sicetr.53.355.
Full textChudá, J., M. Hunčaga, J. Tuček, and M. Mokroš. "THE HANDHELD MOBILE LASER SCANNERS AS A TOOL FOR ACCURATE POSITIONING UNDER FOREST CANOPY." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLIII-B1-2020 (August 6, 2020): 211–18. http://dx.doi.org/10.5194/isprs-archives-xliii-b1-2020-211-2020.
Full textSouare, Mory. "Estimation suroptimale de la densité spectrale par projection adaptative : Application à l'estimation de l'ordre d'une moyenne mobile." Comptes Rendus Mathematique 346, no. 17-18 (September 2008): 999–1002. http://dx.doi.org/10.1016/j.crma.2008.07.019.
Full textChudá, Juliána, Jozef Výbošťok, Julián Tomaštík, František Chudý, Daniel Tunák, Michal Skladan, Ján Tuček, and Martin Mokroš. "Prompt Mapping Tree Positions with Handheld Mobile Scanners Based on SLAM Technology." Land 13, no. 1 (January 13, 2024): 93. http://dx.doi.org/10.3390/land13010093.
Full textPark, Gwangsoo, Byungjin Lee, and Sangkyung Sung. "Integrated Pose Estimation Using 2D Lidar and INS Based on Hybrid Scan Matching." Sensors 21, no. 16 (August 23, 2021): 5670. http://dx.doi.org/10.3390/s21165670.
Full textBouchafa, Samia. "Décision cumulative pour la vision dynamique des systèmes." Revue Française de Photogrammétrie et de Télédétection, no. 202 (April 16, 2014): 2–26. http://dx.doi.org/10.52638/rfpt.2013.48.
Full textDissertations / Theses on the topic "Estimation par horizon mobile"
Eltrabyly, Akram. "Estimation and fault-tolerant control for safer quadrotor flights." Electronic Thesis or Diss., université Paris-Saclay, 2023. https://www.biblio.univ-evry.fr/theses/2023/interne/2023UPAST149.pdf.
Full textQuadrotors have become increasingly present in our daily lives and are used in a wide range of applications, from delivery services to drone light shows. Many of its applications include close contact with humans. Should any fault occur to the quadrotor such on a motor, it could lead to catastrophic events, from injuries and expensive equipment loss to death. It is thus essential to focus on improving their safety and reliability through well-designed algorithms that can detect and compensate for faults affecting the drones.Another common source of drone failure is getting into a difficult orientation, such as an upside-down orientation, due to, for instance, strong wind disturbances or collision with a wall or with another drone. Linear controllers that are based on simplified models linearized around the hovering point and utilizing Euler angles for attitude representations are less likely to recover the drone from such orientation.The main objective of this thesis is to improve the safety and reliability of aerial robots by addressing the aforementioned problems. This is achieved by designing Fault-Tolerant Control (FTC) algorithms that can achieve precise trajectory tracking under actuator constraints and in the presence of partial loss of effectiveness actuator fault and measurement noise. Furthermore, it expands on this goal by devising an algorithm that allows for recovery from random orientations, performing acrobatic flip maneuvers, and achieving precise trajectory following, all in the presence of actuator faults and constraints.First, quadrotor modeling and several attitude representations are investigated. Several nonlinear models based on various attitude representations, such as Euler angles, quaternions, and rotation matrices, are introduced.Additionally, an Active Fault-Tolerant Control (AFTC) framework is presented, which integrates a fault detection and diagnosis (FDD) module based on a computationally cheap nonlinear algebraic observer and a fault-tolerant controller based on Nonlinear Model Predictive Control (NMPC). This framework can achieve precise trajectory tracking under actuator constraints and in the presence of actuator faults.The thesis also proposes an AFTC framework that is completely based on nonlinear constrained optimization. This framework combines Nonlinear Moving Horizon Estimation (NMHE) as an FDD module and NMPC as a fault-tolerant controller. NMHE is capable of simultaneously estimating states and actuator faults from noisy measurements while maintaining constraints, thus resulting in precise trajectory tracking under actuator faults and noisy measurements when combined with NMPC.Finally, a novel fault-tolerant geometric control algorithm is presented. It allows a quadrotor to recover from arbitrary orientations (almost upside-down), perform acrobatic flip maneuvers, and achieve precise trajectory tracking, all in the presence of actuator faults and constraints. The presented algorithm demonstrates superior performance and higher safety and reliability compared to a baseline geometric controller from the literature. Unlike the presented novel algorithm, the baseline controller fails to perform the same missions when under actuator faults. The results of this part are validated in a ROS-Gazebo simulation, and a proof of concept is validated through hardware experiments
Racine, Emmanuel. "Estimation efficace des paramètres de signaux d'usagers radio-mobile par traitement avec antenne-réseau." Thesis, Université Laval, 2013. http://www.theses.ulaval.ca/2013/30193/30193.pdf.
Full textThis thesis addresses the problem of parameter estimation of radio signals from mobile users using an antenna array. A rigorous theoretical approach to the problem is adopted in an attempt to overcome the limitations and disadvantages of existing estimation methods in this field. The main chapters have been written covering only the theoretical aspects related to the main contributions of the thesis, while at the same time providing an appropriate literature review on the considered topics. The thesis is divided into three main parts related to the aforesaid contributions. Following a review of the basics concepts in antenna array processing techniques for signal parameter estimation, we first present an improved version of an existing estimation algorithm expoiting higher-order statistics of the received signals. Subsequently, we show how a nonlinear estimation technique exploiting the specific statistical distributions of the received complex envelopes at the array can be developed in order to overcome the limitations of second and fourth-order algorithms. Finally, we present the development of an estimation algorithm exploiting the cyclostationary nature of communication signals in a natural asynchronous environment. We show how such an algorithm is able to estimate the channel matrix of the received signals independently of the spatial or temporal correlation structure of the noise, thereby enabling a full exploitation of the array’s degree of freedom. The estimation process is carried out by solving a joint diagonalization problem involving target matrices computed by a differential operation between autocorrelation matrices obtained by the sole use of second-order statistics. Various simulation experiments are presented for each contribution as a means of supporting and evidencing the effectiveness of the proposed methods.
Ögren, Petter. "Formations and Obstacle Avoidance in Mobile Robot Control." Doctoral thesis, KTH, Mathematics, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3555.
Full textThis thesis consists of four independent papers concerningthe control of mobile robots in the context of obstacleavoidance and formation keeping.
The first paper describes a new theoreticallyv erifiableapproach to obstacle avoidance. It merges the ideas of twoprevious methods, with complementaryprop erties, byusing acombined control Lyapunov function (CLF) and model predictivecontrol (MPC) framework.
The second paper investigates the problem of moving a fixedformation of vehicles through a partiallykno wn environmentwith obstacles. Using an input to state (ISS) formulation theconcept of configuration space obstacles is generalized toleader follower formations. This generalization then makes itpossible to convert the problem into a standard single vehicleobstacle avoidance problem, such as the one considered in thefirst paper. The properties of goal convergence and safetyth uscarries over to the formation obstacle avoidance case.
In the third paper, coordination along trajectories of anonhomogenuos set of vehicles is considered. Byusing a controlLyapunov function approach, properties such as boundedformation error and finite completion time is shown.
Finally, the fourth paper applies a generalized version ofthe control in the third paper to translate,rotate and expanda formation. It is furthermore shown how a partial decouplingof formation keeping and formation mission can be achieved. Theapproach is then applied to a scenario of underwater vehiclesclimbing gradients in search for specific thermal/biologicalregions of interest. The sensor data fusion problem fordifferent formation configurations is investigated and anoptimal formation geometryis proposed.
Keywords:Mobile Robots, Robot Control, ObstacleAvoidance, Multirobot System, Formation Control, NavigationFunction, Lyapunov Function, Model Predictive Control, RecedingHorizon Control, Gradient Climbing, Gradient Estimation.
EUVRARD, GUILLAUME. "Estimation d'une regression non lineaire par reseaux de neurones; application a un probleme de robotique mobile." Paris 6, 1993. http://www.theses.fr/1993PA066087.
Full textVentura, Raphaël. "Estimation de la pollution sonore en milieu urbain par assimilation d'observations mobiles." Thesis, Sorbonne université, 2018. http://www.theses.fr/2018SORUS387.
Full textNoise pollution is a major environmental health problems, and the determination of populations exposure is needed. This can be done through noise mapping. Usually, maps are simulation-based, and subject to high uncertainties. Observational data is distributed in space and time and hence conveys information that is complementary to simulation data. In this thesis, we propose data assimilation methods that allow one to merge prior noise maps issued by numerical simulation with phone-acquired (via the Ambiciti app) noise observations. We run a performance analysis that addresses the range, accuracy, precision and reproducibility of measurements. Conclusions of this evaluation lead us to the proposition of a calibration strategy that has been embedded in Ambiciti. The result of the prior map and observations merging is called an analysis, and is designed to have minimum error variance, based on the respective uncertainties of both data sources that we evaluated: spatial correlations for the prior error; measurement errors, time and location representativeness for the observations. We address the estimation problem on two different scales. The first method relies on the so-called ``best linear unbiased estimator''. It produces hourly noise maps, based on temporally averaged simulation maps and mobile phone audio data recorded at the neighborhood scale. The second method leverages the crowd-sensed Ambiciti user data available throughout the covered city. The observations set must be filtered and pre-processed, in order to only select the ones that were generated in adequate conditions. The prior simulation map is then corrected in a global fashion
Wallner, Frank. "Estimation de position d'un robot mobile par utilisation des composantes principales des données d'un capteur télémétrique laser." Grenoble INPG, 1997. http://www.theses.fr/1997INPG0158.
Full textLecrosnier, Louis. "Estimation de pose multimodale- Approche robuste par les droites 2D et 3D." Thesis, Normandie, 2019. http://www.theses.fr/2019NORMR089.
Full textCamera pose estimation consists in determining the position and the orientation of a camera with respect to a reference frame. In the context of mobile robotics, multimodality, i.e. the use of various sensor types, is often a requirement to solve complex tasks. However, knowing the orientation and position, i.e. the pose, of each sensor regarding a common frame is generally necessary to benefit multimodality. In this context, we present two major contributions with this PhD thesis. First, we introduce a pose estimation algorithm relying on 2D and 3D line and a known vertical direction. Secondly, we present two outliers rejection and line pairing methods based on the well known RANSAC algorithm. Our methods make use of the vertical direction to reduce the number of lines required to 2 and 1, i.e. RANSAC2 and RANSAC1. A robustness evaluation of our contributions is performed on simulated and real data. We show state of the art results
Cannelle, Bertrand. "Estimation de pose de grands blocs d'images panoramiques issues de systèmes de numérisation mobile." Thesis, Paris Est, 2013. http://www.theses.fr/2013PEST1164/document.
Full textMobile mapping technology has grown exponentially the last ten years, particularly due to advances in computer and sensor performances. However, the very accurate positioning of data generated by such technique remains a crucial issue. The first part of this thesis presents the mobile mapping system that has been designed in the MATIS lab of IGN as well as its operational use. A detailed analysis of image data is proposed and data used for this work is discussed. The second part tackles the standard calibration procedure. First, camera calibration is performed by using a panoramic-based acquisition geometry, which allows not to required ground control points. Secondly, a full calibration procedure dedicated to the Stéréopolis V2is proposed so as to determine accurately the position and orientation of all the cameras. For that purpose, two procedures are explained : one requiring an area with points positioned with high accuracy ,and the other one based only the data acquisition. The third section details the compensation applied to the mobile mapping car that allows to improve poses of a large number of images. The mathematical formulation is proposed, and various cases of the method are explained. Data management is also presented since it is a mandatory step for efficient large amount of data management The fourth and final part of the thesis presents different registration scenarii, where methods developed in this work can be used individually as well as combined with other ones so as to bring higher coherence between sequences of distinct images
Drocourt, Cyril. "Localisation et modélisation de l'environnement d'un robot mobile par coopération de deux capteurs omnidirectionnels." Compiègne, 2002. http://www.theses.fr/2002COMP1385.
Full textCannelle, Bertrand, and Bertrand Cannelle. "Estimation de pose de grands blocs d'images panoramiques issues de systèmes de numérisation mobile." Phd thesis, Université Paris-Est, 2013. http://tel.archives-ouvertes.fr/tel-00952252.
Full textBook chapters on the topic "Estimation par horizon mobile"
Wallace, Nathan D., He Kong, Andrew J. Hill, and Salah Sukkarieh. "Experimental Validation of Structured Receding Horizon Estimation and Control for Mobile Ground Robot Slip Compensation." In Field and Service Robotics, 411–26. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-9460-1_29.
Full text"Biology and Management of Inland Striped Bass and Hybrid Striped Bass." In Biology and Management of Inland Striped Bass and Hybrid Striped Bass, edited by Joseph E. Hightower, J. Christopher Taylor, and Donald J. Degan. American Fisheries Society, 2013. http://dx.doi.org/10.47886/9781934874363.ch16.
Full textConference papers on the topic "Estimation par horizon mobile"
Wallace, Nathan D., He Kong, Andrew J. Hill, and Salah Sukkarieh. "Receding horizon estimation and control with structured noise blocking for mobile robot slip compensation." In 2019 International Conference on Robotics and Automation (ICRA). IEEE, 2019. http://dx.doi.org/10.1109/icra.2019.8793941.
Full textRyan, Allison D., Hugh Durrant-Whyte, and J. Karl Hedrick. "Information-Theoretic Sensor Motion Control for Distributed Estimation." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-43791.
Full textGiraldo, Diego Garcia, and Ronald W. Yeung. "The 2010 Oil Spill in the Gulf of Mexico: Flow-Rate Estimation Based on Satellite-Images Analysis." In ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-78717.
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