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Synchronized Co-migration of Virtual Machines for IDS Offloading in Clouds

2013 IEEE 5th International Conference on Cloud Computing Technology and Science, 2013
Since Infrastructure-as-a-Service (IaaS) clouds contain many vulnerable virtual machines (VMs), intrusion detection systems (IDSes) should be run for all the VMs. IDS offloading is promising for this purpose because it allows IaaS providers to run IDSes in the outside of VMs without any cooperation of the users. However, offloaded IDSes cannot continue
Kenichi Kourai, Hisato Utsunomiya
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SyncSnap: Synchronized Live Memory Snapshots of Virtual Machine Networks

2014 IEEE Intl Conf on High Performance Computing and Communications, 2014 IEEE 6th Intl Symp on Cyberspace Safety and Security, 2014 IEEE 11th Intl Conf on Embedded Software and Syst (HPCC,CSS,ICESS), 2014
With the prevalence of virtualization technology, virtual machine networks (VMN) have been widely used in host network applications. To provide fault tolerance and non-stop features to network applications and preserve the network consistency among virtual machines (VM), the distributed snapshot technique of virtual machine networks regains the ...
Bin Shi, Bo Li 0005, Lei Cui 0003, Jieyu Zhao, Jianxin Li 0002   +4 more
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Application and Validation of Virtual Synchronous Machines in Power System Operation

IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society, 2018
In this paper the robust droop controller based virtual synchronous machines are implemented in a complete system level simulation to validate their active participation in the power system regulation and the benefits they can bring to the power grid.
Chen Qi, Keyou Wang, Guojie Li, Xiuchen Jiang, Qing-Chang Zhong   +4 more
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Implementation of a Virtual Synchronous Machine to Improve the Dynamic Response of Inverters

IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society, 2019
This paper proposes a control technique that allows inverters to work as if they were synchronous machines, assuming the characteristics and properties that these machines have. The development of each control block that composes the Virtual Synchronous Machine (VSM) is presented.
Amiron Wolff dos Santos Serra, José Gomes de Matos, Luiz Antônio de Souza Ribeiro, Lucas Sousa Pinheiro   +3 more
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A lock-aware virtual machine scheduling scheme for synchronization performance

The Journal of Supercomputing, 2015
In virtualized environments, multiprocessor virtual machines encounter synchronization problems such as lock holder preemption (LHP) and lock waiter preemption (LWP). When the issue happens, a virtual CPU (VCPU) waiting for such locks spins for an extraordinarily long time and wastes CPU cycles seriously, resulting in a significant degradation of ...
Chao Yu, Leihua Qin, Jingli Zhou
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Virtual Impedance Design Considerations for Virtual Synchronous Machines in Weak Grids

IEEE Journal of Emerging and Selected Topics in Power Electronics, 2020
Most renewable energy sources (RESs) are interfaced to electricity grids via voltage-source converters (VSCs). To facilitate the integration, the controllers based on the emulation of synchronous generators have been increasingly used. This control technique is commonly referred to as Virtual Synchronous Machine (VSM) and recent studies have shown that
Alberto Rodriguez-Cabero, Javier Roldan-Perez, Milan Prodanovic   +2 more
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Dynamic Properties of the Virtual Synchronous Machine (VISMA)

RE&PQJ
The increasing integration of decentralized electrical sources is attended by problems with power quality, safe grid operation and grid stability. The concept of the Virtual Synchronous Machine (VISMA) [1] discribes an inverter to particularly connect renewable electrical sources to the grid that provides a wide variety of static an dynamic properties ...
null Yong Chen, null Ralf Hesse, null Dirk Turschner, null Hans-Peter Beck   +3 more
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Automated virtual prototyping of permanent magnet synchronous machines for HEV's

Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation, 2010
Ecological awareness has spurred a renewed interest in hybrid electrical vehicles (HEV), because of their ability to combine the drive power of a combustion engine with that of electrical machines. PMSM's notoriously offer large torque/weight ratios and are therefore particularly well suited for inclusion in HEV drivetrains, where the available space ...
Martin Hafner, Thomas Finken, Matthias Felden, Kay Hameyer   +3 more
openaire   +1 more source

Small-signal modelling and parametric sensitivity of a Virtual Synchronous Machine

2014 Power Systems Computation Conference, 2014
The Virtual Synchronous Machine (VSM) concept is emerging as a flexible approach for controlling power electronic converters in grid-connected as well as stand-alone or microgrid applications. Several VSM implementations have been proposed, with the emulation of inertia and damping of a traditional Synchronous Machine (SM) as their common feature. This
Salvatore D'Arco, Jon Are Suul, Olav Bjarte Fosso   +2 more
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Segmented Adaptive Control of Virtual Inertia for Virtual Synchronous Machines

2022 7th International Conference on Power and Renewable Energy (ICPRE), 2022
Siyu Chen, Xing Zhang, Yuhang Wu, Qiaohua Zhu, Chenghao Bao, Xiangdui Zhan   +5 more
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