Results 81 to 90 of about 19,341,979 (231)

A Hierarchical Optimisation of a Compressed Natural Gas Station for Energy and Fuelling Efficiency under a Demand Response Program

open access: yesEnergies, 2019
Compressed natural gas stations serve customers who have chosen compressed natural gas powered vehicles as an alternative to diesel and petrol based ones, for cost or environmental reasons.
Charles Kagiri, Lijun Zhang, Xiaohua Xia
doaj   +1 more source

Power flow modeling of islanded AC microgrids with hierarchical control

open access: yesInternational Journal of Electrical Power & Energy Systems, 2019
This paper presents the power flow modeling of droop-controlled distributed generation units with secondary frequency and voltage restoration control for hierarchically controlled islanded microgrids.
G. Agundis-Tinajero   +5 more
semanticscholar   +1 more source

Development and Application of a Reconfigurable Photovoltaic Inverter for Operation Within a Microgrid

open access: yesIEEE Access, 2019
Smart grids have their basis in distribution systems, and to take advantage of their full potential, the incorporation of distributed generation must be taken into account.
Ruben Ortega   +5 more
doaj   +1 more source

Distributed hierarchical control of islanded active distribution networks with dynamic consensus algorithm and adaptive virtual impedance

open access: yesFrontiers in Energy Research
In the event of an upstream grid fault, the Active Distribution Network (ADN) can switch to autonomous operation, coordinating controllable Distributed Generators (DGs) and Energy Storage Systems (ESS) to maintain power supply reliability.
Xiaoyun Wang   +11 more
doaj   +1 more source

Software/Hardware-Based Hierarchical Finite-Time Sliding-Mode Control With Input Saturation for an Omnidirectional Autonomous Mobile Robot

open access: yesIEEE Access, 2019
To track the desired pose of the omnidirectional autonomous mobile robot (OAMR) in finite time, the finite-time virtual desired trajectory (FTVDT) is designed by the 1st sliding surface with the linear dynamics and fractional order of pose's tracking ...
Chih-Lyang Hwang   +2 more
doaj   +1 more source

Observer-Based Hierarchical Formation Control for Multi-Agent System Subject to External Disturbance

open access: yesIEEE Access
This paper designs an observer-based hierarchical formation controller for Euler-Lagrange multi-agent system (MAS) under external disturbances. The proposed approach can achieve MAS formation under symmetric and non-symmetric communication topologies ...
Lan Li, Cao Chen, Zilin Gao, Min You
doaj   +1 more source

Reinforcement Learning Solutions for Microgrid Control and Management: A Survey

open access: yesIEEE Access
A microgrid (MG) is part of a distribution system that comprises loads and distributed energy resources, capable of operating either connected to or islanded from the primary grid.
Pedro I. N. Barbalho   +5 more
doaj   +1 more source

Research on Control Strategy of Pure Electric Bulldozers Based on Vehicle Speed

open access: yesEnergies
This study proposes a hierarchical drive control system to ensure speed stability in dual-motor tracked vehicles operating under complex terrain and heavy-load conditions. The system adopts a two-layer structure.
Guangxiao Shen   +5 more
doaj   +1 more source

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