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Artykuły w czasopismach na temat "Quasi-LPV"
Medero, Ariel, i Vicenç Puig. "LPV Control and Virtual-Sensor-Based Fault Tolerant Strategies for a Three-Axis Gimbal System". Sensors 22, nr 17 (3.09.2022): 6664. http://dx.doi.org/10.3390/s22176664.
Pełny tekst źródłaWang, Xiao Ming, Alois Steiner i Jan Fiala. "Linear Parameter-Varying Modeling of Electric Vehicle Air Conditioning System". Applied Mechanics and Materials 148-149 (grudzień 2011): 318–25. http://dx.doi.org/10.4028/www.scientific.net/amm.148-149.318.
Pełny tekst źródłaSala, Antonio. "Generalising quasi-LPV and CDI models to Quasi-Convex Difference Inclusions". IFAC-PapersOnLine 50, nr 1 (lipiec 2017): 7560–65. http://dx.doi.org/10.1016/j.ifacol.2017.08.1192.
Pełny tekst źródłaPérez-Estrada, A. J., G. L. Osorio-Gordillo, M. Darouach i V. H. Olivares-Peregrino. "Generalized dynamic observer design for quasi-LPV systems". at - Automatisierungstechnik 66, nr 3 (26.03.2018): 225–33. http://dx.doi.org/10.1515/auto-2017-0060.
Pełny tekst źródłaLu, Yaohui, i Yaman Arkun. "Quasi-Min-Max MPC algorithms for LPV systems". Automatica 36, nr 4 (kwiecień 2000): 527–40. http://dx.doi.org/10.1016/s0005-1098(99)00176-4.
Pełny tekst źródłaHuang, Yun, i Ali Jadbabaie. "Nonlinear H∞ control: an enhanced quasi-LPV approach". IFAC Proceedings Volumes 32, nr 2 (lipiec 1999): 2754–59. http://dx.doi.org/10.1016/s1474-6670(17)56469-1.
Pełny tekst źródłaGrimble, M. J., Pawel Majecki i M. R. Katebi. "Extended NGMV Predictive Control of Quasi-LPV Systems". IFAC-PapersOnLine 50, nr 1 (lipiec 2017): 4101–7. http://dx.doi.org/10.1016/j.ifacol.2017.08.795.
Pełny tekst źródłaRobles, Ruben, Antonio Sala i Miguel Bernal. "Performance-oriented quasi-LPV modeling of nonlinear systems". International Journal of Robust and Nonlinear Control 29, nr 5 (21.12.2018): 1230–48. http://dx.doi.org/10.1002/rnc.4444.
Pełny tekst źródłaHe, ZeFang, i Long Zhao. "Quadrotor Trajectory Tracking Based on Quasi-LPV System and Internal Model Control". Mathematical Problems in Engineering 2015 (2015): 1–13. http://dx.doi.org/10.1155/2015/857291.
Pełny tekst źródłaPolat, İ., İ. E. Köse i E. Eşkinat. "Dynamic output feedback control of quasi-LPV mechanical systems". IET Control Theory & Applications 1, nr 4 (1.07.2007): 1114–21. http://dx.doi.org/10.1049/iet-cta:20060326.
Pełny tekst źródłaRozprawy doktorskie na temat "Quasi-LPV"
Jaadari, Abdelhafidh. "Systèmes quasi-LPV continus : comment dépasser le cadre du quadratique ?" Phd thesis, Université de Valenciennes et du Hainaut-Cambresis, 2013. http://tel.archives-ouvertes.fr/tel-00865634.
Pełny tekst źródłaJaadari, Abdelhafidh. "Continuous quasi-LPV Systems: how to leave the quadratic Framework?" Doctoral thesis, Universitat Politècnica de València, 2013. http://hdl.handle.net/10251/31379.
Pełny tekst źródłaJaadari, A. (2013). Continuous quasi-LPV Systems: how to leave the quadratic Framework? [Tesis doctoral no publicada]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/31379
TESIS
Srinivasarengan, Krishnan. "Estimation d'état, estimation paramétrique et identifiabilité des modèles quasi-LPV". Thesis, Université de Lorraine, 2018. http://www.theses.fr/2018LORR0059/document.
Pełny tekst źródłaTwo problems relevant to the model-based approaches to fault diagnosis and degradation estimation in commissioned buildings are investigated in this thesis: adaptive observers for state and parameter estimation, and parameter identifiability. The system models considered are the quasi-LPV models with affine parameterization. Using the Takagi-Sugeno (T-S) polytopic approach, two observer designs, one for continuous-time models and another for discrete-time models are provided. Both models use a Luenberger structure for the state estimation part and deploy the Lyapunov design approach. An innovative non-linear estimation model is obtained through the design process for the continuous-time parameter estimation whereas a proportional-integral (PI) structure is used for discrete-time. A brief third contribution is a decoupled state and parameter estimation that makes use of the parity-space approach and realized using a finite memory observer strategy. For the fourth contribution of parameter identifiability, a parity-space formulation using null-space computation is used for the elimination of states of the model from which the exhaustive summary of the model is extracted and the identifiability of the model verified. All the results are illustrated using examples
Turcio, Wallace Hessler Leal. "Projeto de um controlador quasi-LPV para um sistema pneumático aeronáutico". Instituto Tecnológico de Aeronáutica, 2014. http://www.bd.bibl.ita.br/tde_busca/arquivo.php?codArquivo=3113.
Pełny tekst źródłaAbouselima, Eslam. "Fault tolerant control and path planning for quasi-LPV systems : application to quadrotor". Electronic Thesis or Diss., université Paris-Saclay, 2022. http://www.theses.fr/2022UPAST085.
Pełny tekst źródłaRecently, autonomous systems are getting increasingly popular and are widely deployed in several applications in our daily life. That's why a great concern has been dedicated to the problem of autonomous systems fault-tolerant control (FTC). Evidently, the UAVs are among the systems that are in need of such FTC algorithms because any system malfunction can cause severe damage not just for the vehicle itself but for the surrounding environment as well. So this work is investigating the problem of designing an FTC algorithm for a quadrotor aiming to be a worthy contribution to the evolution of UAVs safety and reliability. Such a problem is tackled through some fundamental steps beginning with establishing a trustful model for the system representing the physical dynamics accurately. So Newton-Euler formulation is used for modeling the quadrotor resulting in a mathematical model that describes the relationship between the applied forces and the system states. After that the nonlinear model is linearized around the hovering point to simplify the control law design. A precise model could be constructed in an LPV framework where the nonlinear terms are considered as linearly time-varying within the given parameter limits. The deduced model is then used to build a controller that stabilizes the quadrotor and guarantees adequate trajectory tracking. So different types of control law are presented and analyzed some of them are linear controllers like PID provided with loop shaping technique. Other types of controllers presented are LQG to handle the system whose measurements are affected by Gaussian white noise and robust LPV control based on the H_inf technique to overcome unknown exogenous disturbances and measurement noise. In order to provide the quadrotor with an efficient FTC scheme, first, a fault detection and diagnosis (FDD) unit is proposed to identify the type, amount, and location of the existent fault. The FDD unit contains a model-based observer that generates some residual signals indicating the fault occurrence. According to the observer design, it may give just fault detection with a bank of observers for fault isolation or it can perform fault detection, estimation, and identification simultaneously. So an observer is designed based on H_/ H_inf technique aiming at maximizing the fault to residual sensitivity by using the H_ index properties, and minimizing the H_inf norm for worst-case exogenous signals attenuation. Afterward, a new approach is proposed for observer design based on an auxiliary output containing the system output and its successive time derivatives. This approach is used for both actuators and sensors fault diagnosis including fault detection, estimation, and isolation. It is illustrated that under some structural conditions, the faults can be estimated exactly while the perturbations are completely decoupled from the residual signals. However, if exact convergence is not ensured, some relaxed conditions are provided to maintain asymptotic fault estimation. Finally, the worst-case where the perturbations cannot be decoupled is presented and handled using H_/H_inf approach which is further enhanced utilizing the auxiliary output. Upon the obtained results from the actuator FDD unit, an active fault-tolerant control law is designed. After fault evaluation, the FDD gives a decision for the controller reconfiguration unit whether the actuator damage can be contained or not. For the first case, a control law is proposed aiming at fault compensation and precise trajectory tracking in the presence of system malfunction. For the latter case, a fail-safe mode is used to ensure that the quadrotor can land safely without crashing or causing harm to the surrounding environment
Bui-Tuan, Viet Long. "Stability and stabilization of linear parameter-varying and time-varying delay systems with actuators saturation". Electronic Thesis or Diss., Amiens, 2022. http://www.theses.fr/2022AMIE0082.
Pełny tekst źródłaThe dissertation is devoted to developing a methodology of stability and stabilization for the linear parameter-dependent (PD) and time-delay systems (TDSs) subject to control saturation. In the industrial process, control signal magnitude is usually bounded by the safety constraints, the physical cycle limits, and so on. For this reason, a suitable synthesis and analysis tool is needed to accurately describe the characteristics of the saturated linear parameter-varying (LPV) systems. In the part one, a parameter-dependent form of the generalized sector condition (GSC) is considered to solve the saturated stabilization problem. Several feedback control strategies are investigated to stabilize the saturated LPV/qLPV systems. Necessary and sufficient stabilization conditions via the parameterized linear matrix inequality (PLMI) formulation proposed for the feedback controllers conforming to the design requirements (i.e., the admissible set of the initial conditions, the estimated region of the asymptotic convergence domain, the robust stability and performance with the influence of perturbations, Etc.). The relaxation of the designed PLMIs is shown through the comparison results using a parameter-dependent Lyapunov function (PDLF). In the second part, the delay-dependent stability developments based on Lyapunov-Krasovskii functional (LKF) are presented. The modern advanced bounding techniques are utilized with a balance between conservatism and computational complexity. Then, saturation stabilization analyzes for the gain-scheduling controllers. Inspired by uncertain delay system methods, a novel stabilization condition is derived from the delay-dependent stabilizing analysis for the LPV time-delay system subject to saturation constraints. In this aspect, the stabilizing gain-scheduling feedback controllers improve the performance and stability of the saturated system and provide a large attraction domain. It can be emphasized that the derived formulation is general and can be used for the design control of many dynamic systems. Finally, to maximize the attraction region while guaranteeing the asymptotic stability of the closed-loop system, an optimization problem is included to the proposed control design strategy
Laurain, Thomas. "Synthèse de contrôleurs avancés pour les systèmes quasi-LPV appliqués au contrôle de moteurs automobiles". Thesis, Valenciennes, 2017. http://www.theses.fr/2017VALE0033/document.
Pełny tekst źródłaMy PhD in Automatic Control is part of the research theme “Transport” of the LAMIH. The objective is to improve the functioning of the gasoline engines, mainly by reducing the fuel consumption and the pollution. With this ecologic and economic challenge, and taking into account the new norms and the short-term strategies of the industry (scandal of Volkswagen...), new controllers have to be designed to control the air valve and the fuel injection inside the engine. Considering the highly nonlinear aspect of the system, the Takagi-Sugeno representation and the theoretical background of the LAMIH have been used. A first controller is designed to solve the problem of idle engine speed. However, the complexity of the system forces the use of a controller that is very costly from a computational point of view. An alternative controller is then designed in order to be implemented inside the embedded computer of the engine. A second controller is obtained to maintain the air-fuel ratio in stoichiometric proportions in order to reduce the pollution. This system being subject to a variable transport delay, a change of domain is realized to make this delay constant, and to design a simple and efficient controller. Real-time experiments have been realized on the engine test bench of the LAMIH in order to validate the presented methodology
Pita, Guillermo. "Application de techniques de commande avancées dans le domaine automobile". Thesis, Supélec, 2011. http://www.theses.fr/2011SUPL0002/document.
Pełny tekst źródłaThe work achieved in this PhD thesis is dedicated to applications of advanced control methodologies to problems currently faced in the automotive field. Three main areas of investigation were successively considered, using advanced techniques such as H infinity LTI and q-LPV design procedures, dynamic feedback linearization, retuning of controllers, in particular PI-type, and optimization of filters required by the H infinity design procedure:• Trajectory control of automotive vehicle. A control structure has been proposed which is based on the procedure classically developed in the aeronautics field.• Robust nonlinear control of the air path of an internal combustion engine. An innovative q-LPV formulation of the motor has been proposed, which has enabled design of advanced controllers with varying parameters. These parameters are automatically updated according to the operating point.• Optimal control laws for brakes’s torque blending on electrical vehicle. Motivation and interest for electrical vehicle has been first detailed, then potential gain in autonomy due to regenerative braking has been studied. Finally, solutions which reduce oscillations in the power train chain induced by torque demand to the electrical machine during braking phases has been developed
Pita, Gil Guillermo. "Application de techniques de commande avancées dans le domaine automobile". Phd thesis, Supélec, 2011. http://tel.archives-ouvertes.fr/tel-00591522.
Pełny tekst źródłaSrihi, Hajer. "Stratégies de stabilité en position assise chez les personnes vivant avec une lésion de la moelle épinière : de l’estimation utilisant des modèles descripteurs quasi-LPV à la validation expérimentale". Electronic Thesis or Diss., Valenciennes, Université Polytechnique Hauts-de-France, 2023. http://www.theses.fr/2023UPHF0041.
Pełny tekst źródłaSpinal cord injury leads to a partial or complete loss of muscular activity and sensory functions below the level of injury, this damage to the spinal cord leads to a drastic reduction in postural stability in a sitting position and consequently a high risk of falling (Boswell-Ruys et al., 2010; Nelson et al., 2010).The consequences of the injury are significant and are sensorimotor, cardiovascular, respiratory and digestive. The impact of the injury on the vertebral stabilizing system leads to new stabilization strategies, in case of disturbance, which are different from the strategies implemented by asymptomatic subjects. These strategies, which compensate for the lack of sublesionel control, are essentially based on the movements of the upper limbs.Understanding these strategies as well as quantifying the resulting joint forces are necessary in order to assess the impact of the injury and propose news methods facilitating the control of seated stability.One of the challenges is knowing how to ‘’return’’ to the variables that generate these efforts, the joint torques, data which are not measured and cannot be measured. A way of doing that, an alternative to the ‘’classic’’ inverse dynamics, has been exploited in previous work (Blandeau, 2018). It consists, from a biomechnical model, of using observation techniques to reconstruct these unknown inputs. The formalism used is a so-called Takagi-Sugeno formalism in order to describe nonlinear systems in a polytopic manner. The description used is of descriptor type, because it lends itself well to mechanical models by reducing the complexity of the conditions obtained (Estrada-Manzo, 2015).A test compaign carried out at the CRIR in Montreal (Blandeau, 2018) made it possible to collect numerous data on the sitting posture of people with spinal cord injuries. Only part of these tests could be analyzed because the ‘’Seated-3-Segments’’ (S3S) model used is not able to describe all the situations encountered, for example asymmetry in arm movements.There are several challenges:Enriching existing models, in particular the S3S model (Blandeau, 2018), knowing that the ‘’direct’’ resolution with an observer from this type of model is already close to the limitations of current solvers.Arrive at solutions which are relevant (at a minimum which use biomechanical models without simplification), compatible with the possibilities of the solvers and sufficiently generic so are not to require redoing a complete study if additional degrees of freedom are added. To fulfil these challenges, proposals for cascaded nonlinear observers are made. To show the merits of the approach, the results are first compared to the existing one (S3S) before being extended to models using additional degrees of freedom including ‘’Trunk-2-Arms’’ (T2A) for which the previous methodology cannot provide solutions. T2A make it possible in particular to exploit tests involving asymmetry in upper limbs movements. In the following stages, it remains to introduce rotations, particularly at the level of the shoulders to approximate the real movements carried out by the subject. The methodology used seems perfectly suited to carry out this extension.Finally, a mannequin equipped with all the necessary actuators and sensors to reproduce the movements of a person in seated position will be used, this time with the possibility of validating the reconstructed joint torques, by directly comparing them to those produced
Części książek na temat "Quasi-LPV"
Coutinho, Daniel F., i Alain Vande Wouwer. "A Robust H∞ Quasi-LPV Approach for Designing Nonlinear Observers". W Recent Advances in Optimization and its Applications in Engineering, 21–30. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-12598-0_2.
Pełny tekst źródłaRotondo, Damiano. "Automated Generation and Comparison of Takagi-Sugeno and Polytopic Quasi-LPV Models". W Advances in Gain-Scheduling and Fault Tolerant Control Techniques, 51–73. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-62902-5_3.
Pełny tekst źródłaPalmeira, Alessandra Helena Kimura, Joao Manoel Gomes da Silva i Jeferson Vieira Flores. "Regional Stability of Nonlinear Sampled-Data Controlled Systems Under Actuator Saturation: A Quasi-LPV Approach". W Advances in Delays and Dynamics, 189–207. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-89014-8_10.
Pełny tekst źródła"Identification of a quasi-LPV model for wing-flutter analysis using machine-learning techniques". W Data-Driven Modeling, Filtering and Control: Methods and applications, 37–55. Institution of Engineering and Technology, 2019. http://dx.doi.org/10.1049/pbce123e_ch3.
Pełny tekst źródłaStreszczenia konferencji na temat "Quasi-LPV"
Weehong Tan, A. K. Packard i G. J. Balas. "Quasi-LPV modeling and LPV control of a generic missile". W Proceedings of 2000 American Control Conference (ACC 2000). IEEE, 2000. http://dx.doi.org/10.1109/acc.2000.879259.
Pełny tekst źródłaWei, Xiukun, L. Del Re i Jindong Tan. "Robust adaptive control of quasi-LPV systems". W 2005 IEEE/ASME International Conference on Advanced Intelligent Mechatronics. IEEE, 2005. http://dx.doi.org/10.1109/aim.2005.1511243.
Pełny tekst źródłaSudhakar, Anagha, i Jeevamma Jacob. "Quasi-LPV modelling and control of TRMS". W 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES). IEEE, 2016. http://dx.doi.org/10.1109/icpeices.2016.7853456.
Pełny tekst źródła"A scheduling quasi-minmax MPC for LPV systems". W Proceedings of the 1999 American Control Conference. IEEE, 1999. http://dx.doi.org/10.1109/acc.1999.786415.
Pełny tekst źródłaLim, Jihoon, Patrick Kirchen i Ryozo Nagamune. "LPV Controller Design for Diesel Engine SCR Aftertreatment Systems based on Quasi-LPV Models". W 2021 American Control Conference (ACC). IEEE, 2021. http://dx.doi.org/10.23919/acc50511.2021.9482686.
Pełny tekst źródłaCisneros, Pablo S. G., Sophia Voss i Herbert Werner. "Efficient Nonlinear Model Predictive Control via quasi-LPV representation". W 2016 IEEE 55th Conference on Decision and Control (CDC). IEEE, 2016. http://dx.doi.org/10.1109/cdc.2016.7798752.
Pełny tekst źródłaIchalal, Dalil, i Thierry-Marie Guerra. "Decoupling Unknown Input Observer for nonlinear quasi-LPV systems". W 2019 IEEE 58th Conference on Decision and Control (CDC). IEEE, 2019. http://dx.doi.org/10.1109/cdc40024.2019.9029339.
Pełny tekst źródłaRotondo, Damiano, Fatiha Nejjari i Vicenc Puig. "Model reference quasi-LPV control of a quadrotor UAV". W 2014 IEEE Conference on Control Applications (CCA). IEEE, 2014. http://dx.doi.org/10.1109/cca.2014.6981428.
Pełny tekst źródłaHespe, Christian, i Herbert Werner. "Convergence Properties of Fast quasi-LPV Model Predictive Control". W 2021 60th IEEE Conference on Decision and Control (CDC). IEEE, 2021. http://dx.doi.org/10.1109/cdc45484.2021.9683612.
Pełny tekst źródłaBen Hamouda, Lamia, Ouadie Bennouna, Mounir Ayadi i Nicolas Langlois. "Quasi-LPV model predictive reconfigurable control for constrained nonlinear systems". W 2013 Conference on Control and Fault-Tolerant Systems (SysTol). IEEE, 2013. http://dx.doi.org/10.1109/systol.2013.6693879.
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