Search Results - "Xi, Kaihua"
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Power-imbalance allocation control of power systems - A frequency bound for time-varying loads
Published in 2017 36th Chinese Control Conference (CCC) (01-07-2017)“…For secondary frequency control of power systems with lossless networks, we proposed a method named Power-Imbalance Allocation Control (PIAC) to restore the…”
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Conference Proceeding -
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Explicit formulas for the asymptotic variance of a linearized model of a Gaussian disturbance driven power system with a uniform damping-inertia ratio
Published in Chaos, solitons and fractals (01-11-2024)“…Serious fluctuations caused by disturbances may lead to instability of power systems. With the disturbance modeled by a Brownian motion process, the…”
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Stochastic Optimal Control Problem of Wind Turbine with Too Low Wind Speed in Short Time
Published in 2024 43rd Chinese Control Conference (CCC) (28-07-2024)“…When the wind speed is smaller than a cut-in speed, a double-fed asynchronous offshore wind turbine may be cut-off, which is actually not necessary because the…”
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Conference Proceeding -
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Synchronization of power systems under stochastic disturbances
Published in Automatica (Oxford) (01-05-2023)“…The synchronization of power generators is an important condition for the proper functioning of a power system, in which the fluctuations in frequency and the…”
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Multi-Level Economic Power Dispatch in Power Networks
Published in 2022 41st Chinese Control Conference (CCC) (25-07-2022)“…A multi-level algorithm is proposed for the economic power dispatch problem in power networks. The network is partitioned into groups where there is a group…”
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Conference Proceeding -
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Multilevel Power-Imbalance Allocation Control for Secondary Frequency Control of Power Systems
Published in IEEE transactions on automatic control (01-07-2020)“…A consensus-control-based multilevel control law named Multilevel Power-Imbalance Allocation Control (MLPIAC) is presented for a large-scale power system…”
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Power-Imbalance Allocation Control of Power Systems-Secondary Frequency Control
Published in Automatica (Oxford) (01-06-2018)“…The traditional secondary frequency control of power systems restores nominal frequency by steering Area Control Errors (ACEs) to zero. Existing methods are a…”
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A time-stepping procedure based on convolution for the mixed finite element approximation for porous media flow
Published in Applied mathematics and computation (2012)“…A time-stepping procedure is established and analyzed for the problem of miscible displacement in porous medium. The fluid velocity based on mixed element…”
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Optimal Control of a Stochastic Power System -- Algorithms and Mathematical Analysis
Published 30-01-2024“…The considered optimal control problem of a stochastic power system, is to select the set of power supply vectors which infimizes the probability that the…”
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Control of the Power Flows of a Stochastic Power System
Published 27-11-2023“…How to determine the vector of power supplies of a stochastic power system for the next short horizon, such that the probability is less than a prespecified…”
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A Critical Escape Probability Formulation for Enhancing the Transient Stability of Power Systems with System Parameter Design
Published 13-09-2023“…For the enhancement of the transient stability of power systems, the key is to define a quantitative optimization formulation with system parameters as…”
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Increasing the Synchronization Stability in Complex Networks
Published 30-03-2023“…We aim to increase the ability of a of coupled phase oscillators to maintain the synchronization when the system is affected by stochastic disturbances. We…”
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Explicit formulas for the Variance of the State of a Linearized Power System driven by Gaussian stochastic disturbances
Published 13-02-2023“…We look into the fluctuations caused by disturbances in power systems. In the linearized system of the power systems, the disturbance is modeled by a Brownian…”
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Synchronization of Coupled Phase Oscillators with Stochastic Disturbances and the Cycle Space of the Graph
Published 31-12-2021“…The synchronization stability of a complex network system of coupled phase oscillators is discussed. In case the network is affected by disturbances, a…”
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Transient Performance of Power Systems with Distributed Power-Imbalance Allocation Control
Published 25-10-2019“…We investigate the sensitivity of the transient performance of power systems controlled by Distributed Power-Imbalance Allocation Control (DPIAC) on the…”
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Synchronization of Power Systems under Stochastic Disturbances
Published 09-08-2021“…The synchronization of power generators is an important condition for the proper functioning of a power system, in which the fluctuations in frequency and the…”
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Journal Article -
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Robustness of Power-Imbalance Allocation Control for Power Systems
Published in 2019 IEEE 15th International Conference on Control and Automation (ICCA) (01-07-2019)“…We investigate the performance and robustness to noise of a centralized control called Power-Imbalance Allocation Control (PIAC) for secondary frequency…”
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Conference Proceeding -
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Power-Imbalance Allocation Control of Power Systems-Secondary Frequency Control
Published 15-07-2018“…The traditional secondary frequency control of power systems restores nominal frequency by steering Area Control Errors (ACEs) to zero. Existing methods are a…”
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Journal Article -
19
Multi-Level Power-Imbalance Allocation Control for Secondary Frequency Control of Power Systems
Published 12-08-2017“…A consensus-control-based multi-level control law named Multi-Level Power-Imbalance Allocation Control (MLPIAC) is presented for a large-scale power system…”
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Journal Article -
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Synchronization of cyclic power grids: equilibria and stability of the synchronous state
Published 03-10-2016“…Synchronization is essential for proper functioning of the power grid. We investigate the synchronous state and its stability for a network with a cyclic…”
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