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| 1 | Data-driven Optimal Control Strategy for Virtual Synchronous Generator via Deep Reinforcement Learning Approach显示文摘This paper aims at developing a data-driven optimal control strategy for virtual synchronous generator (VSG) in the scenario where no expert knowledge or requirement for system model is available. Firstly, the optimal and adaptive control problem for VSG is transformed into a reinforcement learning task. Specifically, the control variables, i.e., virtual inertia and damping factor, are defined as the actions. Meanwhile, the active power output, angular frequency and its derivative are considered as the observations. Moreover, the reward mechanism is designed based on three preset characteristic functions to quantify the control targets: ① maintaining the deviation of angular frequency within special limits;② preserving well-damped oscillations for both the angular frequency and active power output;③ obtaining slow frequency drop in the transient process. Next, to maximize the cumulative rewards, a decentralized deep policy gradient algorithm, which features model-free and faster convergence, is developed and employed to find the optimal control policy. With this effort, a data-driven adaptive VSG controller can be obtained. By using the proposed controller, the inverter-based distributed generator can adaptively adjust its control variables based on current observations to fulfill the expected targets in model-free fashion. Finally, simulation results validate the feasibility and effectiveness of the proposed approach. | Yushuai Li Wei Gao Weihang Yan Shuo Huang Rui Wang Vahan Gevorgian David Wenzhong Gao | 2021 | Journal of Modern Power Systems and Clean Energy2021，9，4： | 2 |
| 2 | CAD Models for Multilayered Substrate Interdigital Capacitors显示文摘 | Gevorgian S Martinsson T Linner P L J | 1996 | IEEE Transations on Microwave Theory and Techniques1996，6，44： | 1 |
| 3 | Conformal Mapping of the Field and Charge Distributions in Multilayered Substrate CPW’s显示文摘 | Carlsson E Gevorgian S | 1999 | IEEE transactions on microwave theory and techniques1999，47，8： | 1 |
| 4 | Different factors affecting short circuit behavior of a wind power plant 显示文摘 | Muljadi E Samaan N Gevorgian V | 2013 | IEEE Transactions on Industry Applica- tions2013，49，1： | 1 |
| 5 | Do we really need ferroelectries in paraelectrie phase only in electrically controlled microwave devices?显示文摘 | GEVORGIAN S S KOLLBERG E L | 2001 | IEEE Trans Microw Theory Tech2001，49，： | 1 |
| 6 | A Peak Power Tracker for Small Wind Turbines in Battery Charging Appli- cations显示文摘 | De Broe A M Drouillet S Gevorgian V | 1999 | EEE Transactions on Energy Conversion1999，14，4： | 1 |
| 7 | Ferroelectric thin films: Review of materials, properties, and applications显示文摘 | SETTER N DAMJANOVIC D ENG L FOX G GEVORGIAN S HONG S | 2006 | J Appl Phys2006，100，： | 1 |
| 8 | Fuel distribution and consumption simulation in the Republic of Armenin显示文摘 | Gevorgian V Kaiser M | 1998 | Simulation1998，71，9： | 1 |
| 9 | CAD models for shielded multilayer CPW 显示文摘 | GEVORGIAN S LINNER L J P KOLLBERG E L | 1995 | IEEE Trans on Microwave Theory and Tech1995，43，4： | 1 |
| 10 | HTS/ferroelectric devices for microwave applications 显示文摘 | GEVORGIAN S S CARLSSON E F RUDNER S | 1997 | IEEE Trans Appl Superconductivity1997，7，2： | 1 |
| 11 | CAD models for shielded multilayer CPW显示文摘 | GEVORGIAN S LINNER J P KOLLBERG E L | 1995 | IEEE Trans Microwave Theory Tech1995，43，4： | 1 |
| 12 | Growth temperature dependent dielectric properties of BiFeO 3 thin films deposited on silica glass substrates显示文摘 | Taimur Ahmed Andrei Vorobiev Spartak Gevorgian | 2012 | Thin Solid Films2012，，13： | 1 |
| 13 | A peak power tracker for small wind turbines in battery charging applications 显示文摘 | De Broe A M Drouilhet S Gevorgian V | 1999 | IEEE Transactions on Energy Converson1999，14，4： | 1 |
| 14 | Low-phase-noise low-power IC VCOs for 5-8 GHz wireless applications显示文摘 | JACOBSSON H GEVORGIAN S MOKHTARI M | 2000 | IEEE Trans Microw Theo and Tech2000，48，12： | 1 |
| 15 | Do we really need ferroelectrics in paraelectric phase only in electrically controlled microwave devices显示文摘 | GEVORGIAN S S KOLLBERG E L | 2001 | IEEE Trans Microw The-ory Tech2001，49，： | 1 |
| 16 | A peak power tracker for small wind turbines in battery charging applications显示文摘 | Drouilhet S Gevorgian V | 1999 | IEEE Transactions on Energy Conversion1999，14，12： | 1 |
| 17 | Influence of different levels of lysine,methionine and protein on the performance of laying hens after peak显示文摘 | Bouyeh M Gevorgian O X | 2011 | J Anim Vet Adv2011，10，4： | 1 |
| 18 | 显示文摘 | Carlsson E Gevorgian G | 1999 | IEEE Transactions on Microwave Theory and Techniques1999，47，： | 1 |
| 19 | Fuel distribution and consumption simulation in the republic of Armenia 显示文摘 | GEVORGIAN V KAISER M | 1998 | Simulation1998，71，3： | 1 |
| 20 | CAD Models for Shielded Multilayered CPW显示文摘 | GEVORGIAN S PETERLINNCR L J | 1995 | IEEE Trans on microwave theory and techniques1995，43，4： | 1 |
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