Analogy electromagnetism-acoustics: Validation and application to local impedance active control for sound absorption [PDF]
, 1998 An analogy between electromagnetism and acoustics is presented in 2D. The propagation of sound in presence of absorbing material is modeled using an open boundary microwave package.
Furstoss, M. +2 more
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Ant colony optimisation-based radiation pattern manipulation algorithm for electronically steerable array radiator antennas [PDF]
, 2009 A new algorithm for manipulating the radiation pattern of Electronically Steerable Array Radiator Antennas is proposed. A continuous implementation of the Ant Colony Optimisation (ACO) technique calculates the optimal impedance values of reactances ...
Aelterman, Jan +3 more
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Active Damping Adaptive Controller for Grid-Connected Inverter Under Weak Grid
IEEE Access, 2021 The stability of grid-connected inverters is very sensitive to varying grid impedance, especially in the weak grid condition. In this paper, based on the Lyapunov method and with the micro-grid impedance identification, an active damping adaptive control
Hong Li +4 more
doaj +1 more source
Programmable electronic synthesized capacitance [PDF]
, 1987 A predetermined and variable synthesized capacitance which may be incorporated into the resonant portion of an electronic oscillator for the purpose of tuning the oscillator comprises a programmable operational amplifier circuit.
Kleinberg, Leonard L.
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Condition-based Design of Variable Impedance Controllers from User Demonstrations
Control Engineering Practice, 2023 This paper presents an approach to ensure conditions on Variable Impedance Controllers through the off-line tuning of the parameters involved in its description. In particular, we prove its application to term modulations defined by a Learning from Demonstration technique.
San Miguel Tello, Alberto +2 more
openaire +5 more sources
A Partially Reflecting Random Walk on Spheres Algorithm for Electrical Impedance Tomography [PDF]
, 2015 In this work, we develop a probabilistic estimator for the voltage-to-current map arising in electrical impedance tomography. This novel so-called partially reflecting random walk on spheres estimator enables Monte Carlo methods to compute the voltage-to-
Maire, Sylvain, Simon, Martin
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Safe Online Gain Optimization for Variable Impedance Control
, 2021 Smooth behaviors are preferable for many contact-rich manipulation tasks. Impedance control arises as an effective way to regulate robot movements by mimicking a mass-spring-damping system. Consequently, the robot behavior can be determined by the impedance gains.
Wang, Changhao +3 more
openaire +2 more sources
Design of a Variable Reactor for Load Balancing and Harmonics Elimination [PDF]
, 2008 This paper presents the design of a variable inductor with a rotational magnetic core whose position is controlled in a closed-loop system. This magnetic structure facilitates the impedance changes which may be used for load balancing, harmonics ...
DaLvand, H, Ha, QP, Su, SW
core
Power quality issues of 3MW direct-driven PMSG wind turbine [PDF]
, 2015 This paper presents power quality issues of a grid connected wind generation system with a MW-class direct-driven permanent magnet synchronous generator (PMSG).
Ahmed, IA, Taylor, GA, Zobaa, AF
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Improvements of the Variable Thermal Resistance [PDF]
, 2007 A flat mounting unit with electronically variable thermal resistance [1] has been presented in the last year [2]. The design was based on a Peltier cell and the appropriate control electronics and software. The device is devoted especially to the thermal
Kollar, E., Szekely, V., Torok, S.
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