Results 61 to 70 of about 19,341,979 (231)

Multiterminal Medium Voltage DC Distribution Network Hierarchical Control

open access: yesElectronics, 2020
In this research study, a multiterminal voltage source converter (VSC) medium voltage DC (MVDC) distribution network hierarchical control scheme is proposed for renewable energy (RE) integration in a co-simulation environment of MATLAB and PSCAD/EMTDC. A
Patrobers Simiyu   +4 more
semanticscholar   +1 more source

Hierarchical Control in Islanded DC Microgrids With Flexible Structures [PDF]

open access: yesIEEE Transactions on Control Systems Technology, 2019
Hierarchical architectures stacking primary, secondary, and tertiary layers are widely employed for the operation and control of islanded dc microgrids (dcmGs) composed of distribution generation units (DGUs), loads, and power lines.
P. Nahata   +3 more
semanticscholar   +1 more source

Development of a PEM Fuel Cell City Bus with a Hierarchical Control System

open access: yesEnergies, 2016
The polymer electrolyte membrane (PEM) fuel cell system is considered to be an ideal alternative for the internal combustion engine, especially when used on a city bus.
Siliang Cheng   +5 more
doaj   +1 more source

A hierarchical MPC scheme for interconnected systems

open access: yes, 2017
This paper describes a hierarchical control scheme for interconnected systems. The higher layer of the control structure is designed with robust Model Predictive Control (MPC) based on a reduced order dynamic model of the overall system and is aimed at ...
Farina, Marcello   +2 more
core   +1 more source

Hierarchical Fuzzy Control [PDF]

open access: yes, 2012
Growing demands for comfort, reliability, accuracy, energy conservation, safety and economy have fueled interest in proposals that can contribute to facilitate high performance control systems design. In terms of vibrations active control, it may represent, for example, a good relationship between the maximum reduction in vibrations transmission ...
Fonseca, Carlos André Guerra   +2 more
openaire   +2 more sources

Hierarchical Tactile-Based Control Decomposition of Dexterous In-Hand Manipulation Tasks

open access: yesFrontiers in Robotics and AI, 2020
In-hand manipulation and grasp adjustment with dexterous robotic hands is a complex problem that not only requires highly coordinated finger movements but also deals with interaction variability.
Filipe Veiga   +3 more
doaj   +1 more source

Optimality Principles in Human Point-to-Manifold Reaching Accounting for Muscle Dynamics

open access: yesFrontiers in Computational Neuroscience, 2020
Human arm movements are highly stereotypical under a large variety of experimental conditions. This is striking due to the high redundancy of the human musculoskeletal system, which in principle allows many possible trajectories toward a goal.
Isabell Wochner   +5 more
doaj   +1 more source

A Microprocessor Controller for Decentralised Hierarchical Control

open access: yesIFAC Proceedings Volumes, 1979
Abstract The practical implementation of control systems for complex processes necessitates a clear demarkation of the responsabilities, the hardware and the software involved. The paper presents an analysis of the structure of control systems and shows how this knowledge could be exploited for constructing a microprocessor network of decision ...
L. Barrero   +3 more
openaire   +1 more source

Distributed watermarking for secure control of microgrids under replay attacks

open access: yes, 2018
The problem of replay attacks in the communication network between Distributed Generation Units (DGUs) of a DC microgrid is examined. The DGUs are regulated through a hierarchical control architecture, and are networked to achieve secondary control ...
Cavraro   +12 more
core   +1 more source

Improving Active Resonance Damping and Unbalanced Voltage Mitigation Based on Combined DDSRF and Washout Filter in Islanded Microgrids

open access: yesIEEE Access
The existence of imbalanced single- and two-phase loads, coupled with short-circuit faults, contributes to voltage imbalance. It is inevitable to use LCL filters to remove harmonics caused by converter switching.
Ehsan Akbari   +5 more
doaj   +1 more source

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