Exploració per autor "Karimi, Hamid Reza"
Ara es mostren els items 8-27 de 36
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Computational effectiveness of LMI design strategies for vibration control of large structures
Palacios Quiñonero, Francisco; Rubió Massegú, Josep; Rossell Garriga, Josep Maria; Karimi, Hamid Reza (2016)
Text en actes de congrés
Accés obertDistributed control systems for vibration control of large structures involve a large number of actuation devices and sensors that work coordinately to produce the desired control actions. Design strategies based on linear ... -
Design of inerter-based multi-actuator systems for vibration control of adjacent structures
Palacios Quiñonero, Francisco; Rubió Massegú, Josep; Rossell Garriga, Josep Maria; Karimi, Hamid Reza (2019-04-05)
Article
Accés obertDistributed multi-actuator systems can provide effective solutions for mitigating the vibrational response of large structures. In this paper, we present a computational strategy to design inerter-based multi-actuation ... -
Discrete-time multioverlapping controller design for structural vibration control of tall buildings under seismic excitation
Palacios Quiñonero, Francisco; Rubió Massegú, Josep; Rossell Garriga, Josep Maria; Karimi, Hamid Reza (2012-10-22)
Article
Accés obertIn this paper, a computationally effective strategy to obtain multioverlapping controllers via the Inclusion Principle is applied to design discrete-time state-feedback multioverlapping LQR controllers for seismic protection ... -
Discrete-time static output-feedback H-infinity controller design for vehicle suspensions
Palacios Quiñonero, Francisco; Rubió Massegú, Josep; Rossell Garriga, Josep Maria; Karimi, Hamid Reza (2014)
Text en actes de congrés
Accés obertThis paper provides a direct and practical presentation of a novel methodology for static output feedback controller design. The proposed design strategy has been successfully applied in the fields of control systems for ... -
Discrete-time static output-feedback semi-decentralized H-infinity controller design: an application to structural vibration control
Palacios Quiñonero, Francisco; Rubió Massegú, Josep; Rossell Garriga, Josep Maria; Karimi, Hamid Reza (2012)
Comunicació de congrés
Accés restringit per política de l'editorial -
Distributed passive actuation schemes for seismic protection of multibuilding systems
Palacios Quiñonero, Francisco; Rubió Massegú, Josep; Rossell Garriga, Josep Maria; Karimi, Hamid Reza (Multidisciplinary Digital Publishing Institute, 2020-03-31)
Article
Accés obertIn this paper, we investigate the design of distributed damping systems (DDSs) for the overall seismic protection of multiple adjacent buildings. The considered DDSs contain interstory dampers implemented inside the buildings ... -
Feasibility issues in static output-feedback controller design with application to structural vibration control
Palacios Quiñonero, Francisco; Rubió Massegú, Josep; Rossell Garriga, Josep Maria; Karimi, Hamid Reza (2014-01)
Article
Accés obertRecent results in output-feedback controller design make possible an efficient computation of static output-feedback controllers by solving a single-step LMI optimization problem. This new design strategy is based on a ... -
Feedback vibration control of a base-isolated building with delayed measurements using H-infinity techniques
Karimi, Hamid Reza; Zapateiro, Mauricio; Luo, Ningsu; Rossell Garriga, Josep Maria (2010)
Text en actes de congrés
Accés obertIn this paper we address the problem of vibration reduction of buildings with delayed measurements, where the delays are time-varying and bounded. We focus on a convex optimization approach to the problem of state-feedback ... -
H(infinity) control design for building structures under seismic motion with wireless communication
Karimi, Hamid Reza; Luo, Ningsu; Zapateiro, Mauricio; Lixian, Zhang (2011-09)
Article
Accés restringit per política de l'editorialIn this paper, we contribute to the further development of delay-range-dependent state-feedback aspect of robust control for vibration reduction in a building structure with limited wireless communication capacity subjected ... -
Improved switching strategy for selective harmonic elimination in DC-AC signal generation via pulse-width modulation
Palacios Quiñonero, Francisco; Vicente Rodrigo, Jesús; Molina Hernández, M. Antonia; Karimi, Hamid Reza (2013)
Article
Accés obertWe present an advanced design methodology for pulse-width-modulated (PWM) DC-AC signal generation. Using design methods based on the Walsh transform, AC sinusoidal signals can be approximated by suitable PWM signals. For ... -
Integrated design of hybrid interstory-interbuilding multi-actuation schemes for vibration control of adjacent buildings under seismic excitations
Palacios Quiñonero, Francisco; Rubió Massegú, Josep; Rossell Garriga, Josep Maria; Karimi, Hamid Reza (Multidisciplinary Digital Publishing Institute, 2017-03-25)
Article
Accés obertThe design of vibration control systems for the seismic protection of closely adjacent buildings is a complex and challenging problem. In this paper, we consider distributed multi-actuation schemes that combine interbuilding ... -
Landing gear suspension control through adaptive backstepping techniques with H-infinity performance
Zapateiro, Mauricio; Pozo Montero, Francesc; Rossell Garriga, Josep Maria; Karimi, Hamid Reza; Luo, Ningsu (2011)
Comunicació de congrés
Accés obertLanding gear suspension systems ful ll the tasks of absorbing the vertical energy of the touch-down as well as providing passenger and crew comfort with a smooth ground ride before take-o and after landing. They are ... -
Novel results on decentralized H-infinity controller design for structural vibration control of large buildings
Palacios Quiñonero, Francisco; Rubió Massegú, Josep; Rossell Garriga, Josep Maria; Karimi, Hamid Reza (CRC Press, 2016)
Text en actes de congrés
Accés obertIn this paper, we present a novel control design methodology for structural vibration control of large buildings. The main idea consists in decomposing the overall building system into decoupled single-story subsystems and ... -
Optimal design of complex passive-damping systems for vibration control of large structures: an energy-to-peak approach
Palacios Quiñonero, Francisco; Rubió Massegú, Josep; Rossell Garriga, Josep Maria; Karimi, Hamid Reza (2014-06)
Article
Accés obertWe present a new design strategy that makes it possible to synthesize decentralized output-feedback controllers by solving two successive optimization problems with linear matrix inequality (LMI) constraints. In the initial ... -
Optimal passive-damping design using a decentralized velocity-feedback H-infinity approach
Palacios Quiñonero, Francisco; Rubió Massegú, Josep; Rossell Garriga, Josep Maria; Karimi, Hamid Reza (2012-12-16)
Article
Accés obertIn this work, a new strategy to design passive energy dissipation systems for vibration control of large structures is presented. The method is based on the equivalence between passive damping systems and fully decentralized ... -
Passive-damping design for vibration control of large structures
Palacios Quiñonero, Francisco; Karimi, Hamid Reza; Rubió Massegú, Josep; Rossell Garriga, Josep Maria (IEEEXPLORE, 2013)
Text en actes de congrés
Accés obertIn this work, a systematic strategy to design passive damping systems for structural vibration control is presented. The proposed design methodology is based on the equivalence between decentralized static velocity-fe ... -
Recent advances in static output-feedback controller design with applications to vibration control of large structures
Palacios Quiñonero, Francisco; Rubió Massegú, Josep; Rossell Garriga, Josep Maria; Karimi, Hamid Reza (2014-12)
Article
Accés obertIn this paper, we present a novel two-step strategy for static output-feedback controller design. In the first step, an optimal state-feedback controller is obtained by means of a linear matrix inequality (LMI) formulation. ... -
Semi-decentralized strategies in structural vibration control
Palacios Quiñonero, Francisco; Rossell Garriga, Josep Maria; Karimi, Hamid Reza (2011)
Article
Accés obertIn this work, the main ideas involved in the design of overlapping and multi-overlapping controllers via the Inclusion Principle are discussed and illustrated in the context of the Structural Vibration Control of tall ... -
Semiactive control for floating offshore wind turbines subject to aero-hydro dynamic loads
Luo, Ningsu; Bottasso, Carlo; Karimi, Hamid Reza; Zapateiro, Mauricio (2011)
Text en actes de congrés
Accés restringit per política de l'editorialWind and wave dynamic loads might cause undesirable vibrations that affect the structure integrity and system performance of floating offshore wind turbines. This paper addresses the problem of dynamic load mitigation ... -
Semiactive control methodologies for suspension control with magnetorheological dampers
Zapateiro, Mauricio; Pozo Montero, Francesc; Karimi, Hamid Reza; Luo, Ningsu (IEEE Industrial Electronics Society, 2012)
Article
Accés restringit per política de l'editorialSuspension systems are one of the most critical components of transportation vehicles. They are designed to provide comfort to the passengers to protect the chassis and the freight. Suspension systems are normally provided ...