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Analysis of Washout Filter-Based Power Sharing Strategy—An Equivalent Secondary Controller for Islanded Microgrid Without LBC Lines [PDF]
IEEE Transactions on Smart Grid, 2018 As a supplement of the droop control, the concept of secondary controlled microgrid (MG) has been extensively studied for voltage and frequency restoration.
Josep Guerrero, Yang Han
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Washout filter-aided RED control
Proceedings of the 2004 American Control Conference, 2004We apply a dynamic feedback control algorithm, namely washout filter-aided control, to stabilize TCP-RED system that can suffer from instabilities caused by both smooth and non-smooth bifurcations. We demonstrate that a linear feedback control scheme can be used to considerably increase the stable operating regime of the system, and that a nonlinear ...
Priya Ranjan +2 more
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Washout Filter-Based Power Sharing
IEEE Transactions on Smart Grid, 2015Microgrid control practice has been dominated by droop control for over a decade. The main reason is that droop control can ensure voltage and frequency stability, and proper sharing of the load among distributed generation units without communication links. However, droop control causes undesirable voltage and frequency deviations.
Mehrdad Yazdanian, Ali Mehrizi-Sani
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A Kinesthetic Washout Filter for Force-Feedback Rendering
IEEE Transactions on Haptics, 2015Today haptic feedback can be designed and associated to audiovisual content (haptic-audiovisuals or HAV). Although there are multiple means to create individual haptic effects, the issue of how to properly adapt such effects on force-feedback devices has not been addressed and is mostly a manual endeavor.
Fabien Danieau +5 more
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Redirecting View Rotation in Immersive Movies with Washout Filters
2019 IEEE Conference on Virtual Reality and 3D User Interfaces (VR), 2019Immersive movies take advantage of virtual reality (VR) to bring new opportunities for storytelling that allow users to naturally turn their heads and bodies to view a 3D virtual world and follow the story in a surrounding space. However, while many designers often assume scenarios where viewers stand and are free to physically turn without constraints,
Travis Stebbins, Eric D. Ragan
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PROTEST - An expert system for tuning simulator washout filters
Flight Simulation Technologies Conference, 1995Current motion-drive algorithms have a number of coefficients that are selected to tune the motion of the simulator. Little attention has been given to the process of selecting the most appropriate coefficient values. Final tuning is best accomplished using experienced evaluation pilots to provide feedback to a washout filter expert who adjusts the ...
Peter R. Grant, Lloyd D. Reid
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Incorporating Human Perception With the Motion Washout Filter Using Fuzzy Logic Control
IEEE/ASME Transactions on Mechatronics, 2015 —Nowadays, classical washout filters are extensively used in commercial motion simulators. Even though there are several advantages for classical washout filters, such as short processing time, simplicity and ease of adjustment, they have several ...
Saeid Nahavandi +2 more
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Motion Washout Filter Tuning: Rules and Requirements
Journal of Aircraft, 1997Current motion-drive algorithms have a number of coefficients that are selected to tune the motion of the simulator. Little attention has been given to the process of selecting the most appropriate coefficient values. Final tuning is best accomplished using experienced evaluation pilots to provide feedback to a washout filter expert who adjusts the ...
Peter R. Grant, Lloyd D. Reid
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Anti-control of Hopf bifurcations through washout filters
Proceedings of the 37th IEEE Conference on Decision and Control (Cat. No.98CH36171), 2002Bifurcation control generally means to design a controller that can modify the bifurcation characteristics of a bifurcating nonlinear system, thereby achieving some desirable dynamical behaviors. A typical objective is delay and/or stabilization of a given bifurcation.
null Dong Chen +2 more
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Washout of grains from filtered sand and gravel materials
International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1993Some presently used filter criteria are illogical. Besides satisfying D15/d85≤5 and D15/d15≥4, both the base and filter materials must possess grading stability when exposed to seepage. There are two reasons for grading instability; scantiness of intermediate grain sizes, which interrupts an internal filter formation process; and loose grains, which ...
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