Photosynthetic and secondary metabolic responses of biological soil crusts to combined warming, reduced precipitation, and enhanced UV-B radiation: divergent strategies across developmental stages. [PDF]
Zhou Y, Hui R, Li S.
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Clinical effectiveness of Er, Cr: YSGG laser compared with conventional rotary instrumentation for caries removal in primary teeth: a randomized split-mouth clinical trial. [PDF]
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Intensive preoperative glucose management including hospitalization is associated with lower surgical site infection in patients with diabetes: A retrospective multicenter observational study. [PDF]
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A novel approach for the EEG-driven assessment of divided attention through mutual information theory: A case study at the wheel. [PDF]
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Effectiveness of an interactive music tablet intervention to reduce procedural anxiety in children: a randomized controlled trial. [PDF]
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Questions Ophthalmology Trainees Ask About Ocular Syphilis: A Question-Driven Narrative Review. [PDF]
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Distributed Cooperative Secondary Control of Microgrids Using Feedback Linearization [PDF]
This paper proposes a secondary voltage control of microgrids based on the distributed cooperative control of multi-agent systems. The proposed secondary control is fully distributed; each distributed generator (DG) only requires its own information and ...
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Distributed secondary control for droop-controlled autonomous microgrid
2015 34th Chinese Control Conference (CCC), 2015Motivated by the cooperative control theory of multi-agent systems, we study the distributed secondary voltage and frequency control problem in a lossy droop-controlled autonomous microgrid. At first, a distributed cooperative control algorithms is designed to synchronize the voltage of each generation unit to the reference value in finite time.
Chen Gang, Guo Zhijun
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Distributed Supervisory Secondary Control for a DC Microgrid
IEEE Transactions on Energy Conversion, 2020This article investigates the current sharing and voltage regulation problem of a DC microgrid by a distributed supervisory control method. In the existing secondary control methods, current sharing feedback control loop and voltage regulation feedback control loop are linearly integrated to shift the droop equation.
Xiao-Kang Liu +3 more
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Distributed Secondary Frequency Control via Price Consensus
2018 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe), 2018The task of secondary frequency control in typical power systems is to drive frequency deviations remaining after primary control back to zero, while considering economic principles. This is often solved with a central optimizer that communicates its derived set points to all participating units.
Johannes Börner, Florian Steinke
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