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Current-limited suboptimal sliding mode control for voltage-regulated synchronous buck converters
(Institute of Electrical and Electronics Engineers (IEEE), 2022-01-01)
Article
Restricted access - publisher's policyThis paper proposes a new sliding mode control based on a non-linear switching surface that provides a suboptimal current-limited start-up response in step-down converters. The main idea behind the design consists in ... -
Zero speed sensorless scheme for permanent magnet synchronous machine under decoupled sliding-mode control
(Institute of Electrical and Electronics Engineers (IEEE), 2022-02)
Article
Open AccessPosition estimation at low/zero speed for permanent magnet synchronous machines is commonly achieved with the injection of high-frequency signals. This article presents a new sensorless scheme that accurately observe the ... -
Digital control of multiphase series capacitor buck converter prototype for the powering of HL-LHC inner triplet magnets
(Institute of Electrical and Electronics Engineers (IEEE), 2022-10-01)
Article
Open AccessA major upgrade will be conducted in the Large Hardon Collider (LHC) at CERN. This high-luminosity (HL) version of the LHC will increase the nominal luminosity by a factor of five. One of the key technologies of the HL-LHC ... -
Comparison of first- and second-order sliding-mode controllers for a dc-dc dual active bridge
(Institute of Electrical and Electronics Engineers (IEEE), 2022-04-12)
Article
Open AccessThis paper compares four sliding-mode control strategies for a dual active bridge. The proposed control algorithms define different switching functions resulting in first-and second-order controllers, and using both ... -
Sliding modes in a class of complex-valued nonlinear systems
(2021-07)
Article
Open AccessA number of physical systems allow a complex-valued representation. This article extends the theory of sliding modes to a class of nonlinear systems described by complex-valued variables. Hence, states, parameters, control ... -
A Multiple-Reference Complex-Based Controller for Power Converters
(Institute of Electrical and Electronics Engineers (IEEE), 2021-12-01)
Article
Open AccessA multiple-reference complex-based controller is proposed for three-phase power converters feeding nonlinear and unbalanced loads. The control scheme incorporates a stable multiple-complex coefficient filter with bandwidths ... -
Three-phase phase-locked loop algorithms based on sliding modes
(Institute of Electrical and Electronics Engineers (IEEE), 2021-01-01)
Article
Open AccessThis article proposes a family of phase-locked loop schemes based on sliding modes. The use of sliding mode algorithms ensures fast response and global stability. In particular, two new algorithms are presented, both based ... -
Mechanical sensor fault-tolerant controller in pmsm drive: experimental evaluation of observers and signal injection for position estimation
(2021-01-01)
Article
Restricted access - publisher's policyThis paper presents the operating principle, results and conclusions for a FTC mechanical sensor that can guarantee continuity of operation on the whole speed range. This active FTC is based on analytical redundancy using ... -
A behavioural dynamic model for constant power loads in single-phase AC systems
(2021-09-01)
Article
Restricted access - publisher's policyConstant power loads (CPLs) in power systems have a destabilizing effect that gives rise to significant oscillations or to network collapse, motivating the development of new methods to analyse their effect in AC and DC ... -
Herramientas para la docencia de control digital en grados de ingeniería
(Elsevier, 2021-04-06)
Article
Open AccessEn este trabajo se describen un conjunto de materiales pedagógicos que han sido desarrollados para dar soporte a la docencia del control digital. En particular, se presentan un conjunto de herramientas interactivas y el ... -
An adaptive observer-based controller design for active damping of a DC network with a constant power load
(2021)
Article
Open AccessThis article explores a nonlinear, adaptive controller aimed at increasing the stability margin of a direct-current (dc), small-scale, electrical network containing an unknown constant power load (CPL). Due to its negative ... -
Mechanical sensor fault-tolerant controller in PMSM drive: experimental evaluation of observers and signal injection for position estimation
(2021-08-13)
Article
Restricted access - publisher's policyThis paper presents the operating principle, results and conclusions for an FTC mechanical sensor that can guarantee continuity of operation on the whole speed range. This active FTC is based on analytical redundancy using ...
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