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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.
A. Rodríguez-Cabero   +2 more
semanticscholar   +1 more source

A virtual exercise machine

[1993] Proceedings IEEE International Conference on Robotics and Automation, 2002
The dynamics and design of multiple-degree-of-freedom robotic systems built as general purpose exercise machines for the human arm are discussed. These machines may be programmed to give the human arm the sensation of forces associated with various arbitrary maneuvers.
H. Kazerooni, Ming-Guo Her
openaire   +1 more source

The Jalapeño virtual machine

IBM Systems Journal, 2000
Jalapeno is a virtual machine for JavaTM servers written in the Java language. To be able to address the requirements of servers (performance and scalability in particular), Jalapeno was designed "from scratch" to be as self-sufficient as possible. Jalapeno's unique object model and memory layout allows a hardware null-pointer check as well as fast ...
Bowen Alpern   +22 more
openaire   +1 more source

Virtual Tree Machines

IEEE Transactions on Computers, 1984
A virtual tree machine consists of a fixed finite network of processors together with a suitable algorithm for deciding when and where to solve each subproblem.
F. Warren Burton, Matthew M. Huntbach
openaire   +1 more source

Radio Virtual Machine

2017 IEEE Globecom Workshops (GC Wkshps), 2017
Reconfigurable Radio assumes that the radio hardware platform is reconfigurable in such a way that the essential radio characteristics (carrier frequencies, spectrum bandwidth, modulation technique, coding technique, output power levels, and etc.) can be changed according to the flexibility of hardware platform that is defined by manufacturers ...
Vladimir Ivanov 0002   +5 more
openaire   +1 more source

The virtual machine

ACM SIGARCH Computer Architecture News, 1991
A parallel computer architecture is proposed that is based on an optimistic style of execution. Specifically, the Virtual Time Machine (VTM) detects violations of data dependence constraints at runtime, and automatically recovers from them.
openaire   +1 more source

An Improved Damping Method for Virtual Synchronous Machines

IEEE Transactions on Sustainable Energy, 2019
A virtual synchronous machine (VSM) approach is proposed to integrate inverter-based distributed energy resource units into the power and energy system. VSMs emulate the model of a synchronous machine in the inverter's controller. Among different aspects,
M. Ebrahimi   +2 more
semanticscholar   +1 more source

Randomness in Virtual Machines

2013 IEEE/ACM 6th International Conference on Utility and Cloud Computing, 2013
Virtualization technology provided cloud computing with the means to rapidly disseminate throughout the industry and achieve the utility computing long-envisioned era. Efforts on this research area have been focused on assuring isolation between co-resident virtual machines to avoid escaping the sandbox, but less attention has been given to the ...
Diogo A. B. Fernandes   +3 more
openaire   +1 more source

The Virtual Virtual Machine Project

Anais do XII International Symposium on Computer Architecture and High Performance Computing (SBAC-PAD 2000), 2000
This paper presents the invited talk at the "Simposio Brasileiro de Arquitetura de Computadores e Processamento de Alto Desempenho (SBAC'2000)": the Virtual Virtual Machine approach for highly configurable operating systems. This is a joint work with action SOR – INRIA Rocquencourt.
openaire   +2 more sources

Realizing a virtual machine

Proceedings of the 9th annual workshop on Microprogramming - MICRO 9, 1976
Historically, microprogramming has been viewed as an emulation tool or a means of extending hardware instruction sets. This usually results in a piecemeal application of microprogramming techniques. The concept of a virtual machine, in which firmware realizes the complete functional structure of an idealized computer, is often debated but infrequently ...
Brian Forbes   +3 more
openaire   +1 more source

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