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Surface optimization governs the local design of physical networks. [PDF]
NatureMeng X +4 more
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Dynamic Buckling Analysis of Thin Film/Polydimethylsiloxane Substrate Structures in Curved State with Finite Thickness. [PDF]
Polymers (Basel)Bi H, Li W, Wang L.
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Limit Induced Bifurcation of Grid-Connected VSC Caused by Current Limit
IEEE Transactions on Power Systems, 2021This letter demonstrates a new instability scenario of grid-connected voltage source converter (VSC) - limit induced bifurcation (LIB) caused by the current reference limit from the outer control loop. When the current reference reaches limit, the control structure of the VSC and the equations of the system switch.
Guangzheng Xing +3 more
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TWO-PARAMETER DISCONTINUITY-INDUCED BIFURCATIONS OF LIMIT CYCLES: CLASSIFICATION AND OPEN PROBLEMS
International Journal of Bifurcation and Chaos, 2006This paper proposes a strategy for the classification of codimension-two discontinuity-induced bifurcations of limit cycles in piecewise smooth systems of ordinary differential equations. Such nonsmooth transitions (also known as C-bifurcations) occur when the cycle interacts with a discontinuity boundary of phase space in a nongeneric way, such as ...
KOWALCZYK P +7 more
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Limit Induced Bifurcation Caused by SVC Capacity Limit
2007 IEEE Lausanne Power Tech, 2007The paper demonstrates and studies limit induced bifurcation (LIB) caused by SVC capacity limit. If the capacity limit is greater than a critical value, LIB occurs when an SVC reaches limit. In static analysis, the operating point is on the lower half of the PV curve after limit.
Lei Chen, Yong Min
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LIMIT CYCLE BIFURCATION INDUCED BY RATE-LIMITERS IN THE FEEDBACK LOOP
IFAC Proceedings Volumes, 2006Abstract The effect of rate-limiters in open-loop unstable linear systems is studied. The case of first order plants is considered, which after including the rate-limiter gives rise to a discontinuous second order dynamical system. The existence of one unstable limit cycle, born through a bifurcation at infinity and bounding the attraction basin of ...
Enrique Ponce, Manuel Roman
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A fast method for detecting limit-induced bifurcation in electric power systems
Electric Power Systems Research, 2020Abstract In this paper, the foundations of limit-induced bifurcations (LIB), which usually occur with the violation of limits of reactive power generation, are revisited and further developed to derive a fast method for detecting their occurrence.
Lucas Sales Neves +2 more
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Bifurcation and limit cycle analysis of nonlinear pilot induced oscillations
23rd Atmospheric Flight Mechanics Conference, 1998Pilot-Induced Oscillation (PIO) is an instability resulting from the dynamic interaction between the pilot and the aircraft. In this paper, we present a general framework for the analysis of nonlinear PIO. The approach involves the computation of nonlinear phenomena such as Hopf bifurcation that lead to large changes in structural stability of the ...
R. Mehra, R. Prasanth
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