Results 31 to 40 of about 148,390 (182)
IEEE Access, 2022 When pulse width modulation (PWM) technique is used for permanent magnet synchronous motors (PMSMs) for compressors, current harmonics in the carrier frequency domain are inevitably generated.
Chi-Sung Park +4 more
doaj +1 more source
Advanced Intelligent Systems, EarlyView.A hybrid mobile robot with a modular Variable‐Stiffness Bridge transitions between a rigid locomotion platform and a flexible, shape‐conforming body. By enclosing objects within its deformable structure rather than relying on dedicated end effectors, the robot achieves orientation‐regulated planar transport, with conformal contact quality shown to ...
Luiza Labazanova +5 more
wiley +1 more source
Analysis of Output Current Ripple of Three-phase PWM Inverter under Discontinuous Modulation Techniques [PDF]
, 2010 In this paper, an analysis of output current ripple of three-phase PWM inverters with discontinuous modulation is presented. The analytical expressions for discontinuous modulation injection signal are derived.
Dahono, Pekik Argo
core
FPGA Implementation of a General Space Vector Approach on a 6-Leg Voltage Source Inverter [PDF]
, 2011 A general algorithm of a Space Vector approach is implemented on a 6-leg VSI controlling a PM synchronous machine with three independent phases. In this last case, the necessity of controlling the zero-sequence current motivates the choice of a special ...
COLAS, Frédéric +13 more
core +1 more source
Energies, 2019 The key issue in the implementation of the Sliding Mode Control (SMC) in analogue circuits and power electronic converters is its variable switching frequency.
Abdul Rehman Yasin +2 more
doaj +1 more source
Machines, 2023 The aim of this paper is to present our research into the reduction of vibrations in induction motors. The use of power inverters results in the generation of electrical harmonics, which increase the level of the mechanical vibrations of electrical ...
Antonio Ruiz-González +3 more
doaj +1 more source
Simplified Small‐Signal Modeling Method for Non‐Isolated High Step‐Up Converters
International Journal of Circuit Theory and Applications, EarlyView.A generalized small‐signal modeling methodology for a family of non‐isolated high step‐up DC‐DC converters is proposed. ABSTRACT This work presents a generalized small‐signal modeling methodology for a family of DC–DC converters based on the four‐state switching cell with a wide conversion range (WCR‐4SSC) operating in continuous conduction mode (CCM).
Samuel Antonio Macedo de Oliveira +3 more
wiley +1 more source
Análise modelagem e controle de retificadores PWM trifásicos [PDF]
, 2005 Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Elétrica.Este trabalho apresenta uma análise, proposição de novos modelos, e estratégias de controle das correntes de entrada, sem a ...
Borgonovo, Deivis
core
Resonance Suppression Method for Grid-Connected Converter With LCL Filter Under Discontinuous PWM
IEEE Access, 2021 This paper presents a resonance suppression method that reduces current oscillation incurred by the LCL-filtered grid-connected converter’s discontinuous PWM (DPWM).
Hyeon-Sik Kim, Seung-Ki Sul
doaj +1 more source
Magnetic Resonance in Medicine, EarlyView.ABSTRACT Purpose Transmit (B1+) and receive (B1−) sensitivities of parallel‐transmit/receive RF array are a prerequisite for modern ultra‐high‐field MRI. Their accurate mapping remains challenging for coils with high transmit dynamic range, particularly in regions with low combined‐mode B1+ magnitude, where standard reconstruction is impaired by noise.
Natalia Dudysheva +5 more
wiley +1 more source