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Cardiovascular digital twins using a Windkessel physics informed neural network. [PDF]
NPJ Digit MedOsman D, Sel K, Spatz E, Jafari R.
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Advances in electromyography armbands for gesture recognition and multimodal fusion. [PDF]
iScienceZhang R +5 more
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IEEE Journal on Emerging and Selected Topics in Circuits and Systems, 2021
The application of virtual synchronous generators in the power system eases the pressure on the grid caused by penetration of lots of power electronic devices, but worsens the dynamic frequency stability of the grid. Meanwhile, in order to solve the problem of power coupling in low-voltage micro-grid systems, most measures introduced virtual impedance ...
Mingwei Ren, Tong Li, Kai Shi
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The application of virtual synchronous generators in the power system eases the pressure on the grid caused by penetration of lots of power electronic devices, but worsens the dynamic frequency stability of the grid. Meanwhile, in order to solve the problem of power coupling in low-voltage micro-grid systems, most measures introduced virtual impedance ...
Mingwei Ren, Tong Li, Kai Shi
exaly +2 more sources
IEEE Transactions on Industry Applications, 2021
As a new emerging approach, virtual synchronous generator (VSG) control for interfacing inverters in renewable distributed generation (DG)-based microgrids has attracted significant research interest. However, VSG control cannot ensure proportional reactive power sharing among DG units when unequal transmission line impedances are involved, although ...
Xiaodong Liang +2 more
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As a new emerging approach, virtual synchronous generator (VSG) control for interfacing inverters in renewable distributed generation (DG)-based microgrids has attracted significant research interest. However, VSG control cannot ensure proportional reactive power sharing among DG units when unequal transmission line impedances are involved, although ...
Xiaodong Liang +2 more
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Power Oscillation Suppression in Multi-VSG Grid by Adaptive Virtual Impedance Control
IEEE Systems Journal, 2022Siqi Fu, Yao Sun, Lang Li
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A Control Method for Parallel Inverter with Adaptive Virtual Impedance
2018 5th International Conference on Systems and Informatics (ICSAI), 2018Aiming at the influence that the difference of line impedance of multi-inverter parallel system to accuracy of uniform power distribution in system, this paper proposes a control method based on adaptive virtual impedance and variable droop coefficient. Based on the research of adaptive virtual impedance link, variable droop coefficients control method
Ben Nie, Xiangming Li
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Virtual Impedance Adaptive Study of Parallel Virtual Synchronous Generators
2019 22nd International Conference on Electrical Machines and Systems (ICEMS), 2019As the increasing of the capacity of the micro grid, it is difficult for a single VSG-controlled inverter to meet the requirements of micro grid use. VSG operating in parallel has become the main solution, and the problem of equalization in the division has naturally become the focus of research.
Chunxue Wen, Yaozhi Huang, Qi Xiong
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Modified Adaptive Virtual Impedance Method to Compensate Mismatched Line Impedances in Microgrids
2019 IEEE Applied Power Electronics Conference and Exposition (APEC), 2019Under mismatched line impedance conditions, reactive power sharing performance of droop control tends to be barely satisfactory for the absence of sharing accuracy. Therefore, to realize accurate reactive power sharing of parallel-connected inverters in microgrids, a modified adaptive virtual impedance method is proposed in this paper.
Ronghui AN, Zeng LIU, Jinjun LIU
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Automatic virtual impedance adaptation of a knee exoskeleton for personalized walking assistance
Robotics and Autonomous Systems, 2019Abstract This paper attempts to address the problem of online modulation of virtual impedance for an assistive robot based on real-time gait and activity measurements to personalize the assistance for different users at different states. In this work, smart shoes and inertial sensors are introduced to measure ground contact forces and knee joint ...
Prudhvi Tej Chinimilli +5 more
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