Search Results - "Vu, Thanh Long"
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Buckling and postbuckling of functionally graded porous material nearly cylindrical shells under external lateral pressure in thermal environments
Published in Ships and offshore structures (03-07-2023)“…This paper investigates the buckling and postbuckling of nearly cylindrical shell (NCS) made of functionally graded porous material (FGPM) and subjected to…”
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2
Safe Exploration Reinforcement Learning for Load Restoration using Invalid Action Masking
Published in 2023 IEEE Power & Energy Society General Meeting (PESGM) (16-07-2023)“…This paper addresses the load restoration problem after a power outage event. Our primary proposed methodology uses a multi-agent reinforcement learning method…”
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Conference Proceeding -
3
Lyapunov Functions Family Approach to Transient Stability Assessment
Published in IEEE transactions on power systems (01-03-2016)“…Analysis of transient stability of strongly nonlinear post-fault dynamics is one of the most computationally challenging parts of dynamic security assessment…”
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4
Consensus Control for Coordinating Grid-Forming and Grid-Following Inverters in Microgrids
Published in IEEE transactions on smart grid (01-09-2022)“…In a 100% inverter-based microgrid, both grid-forming (GFM) and grid-following (GFL) inverters will have a crucial role to play in frequency/voltage regulation…”
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5
A Framework for Robust Assessment of Power Grid Stability and Resiliency
Published in IEEE transactions on automatic control (01-03-2017)“…Security assessment of large-scale, strongly nonlinear power grids containing thousands to millions of interacting components is a computationally expensive…”
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6
Reinforcement Learning of Structured Stabilizing Control for Linear Systems With Unknown State Matrix
Published in IEEE transactions on automatic control (01-03-2023)“…This article delves into designing stabilizing feedback control gains for continuous-time linear systems with unknown state matrix, in which the control gain…”
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7
Mechanical buckling analysis of thick FGM toroidal shell segments with porosities using Reddy's higher order shear deformation theory
Published in Mechanics of advanced materials and structures (14-12-2022)“…An analytical investigation on buckling behavior of thick functionally graded shells with nearly cylindrical shapes and porosities under mechanical loads is…”
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8
Multi-Agent Deep Reinforcement Learning for Distributed Load Restoration
Published in IEEE transactions on smart grid (01-03-2024)“…This paper addresses the load restoration problem after power outage events. Our primary proposed methodology is using multi-agent deep reinforcement learning…”
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9
Postbuckling responses of porous FGM spherical caps and circular plates including edge constraints and nonlinear three-parameter elastic foundations
Published in Mechanics based design of structures and machines (03-08-2023)“…An analytical investigation on nonlinear stability of porous functionally graded spherical caps and circular plates under uniform external pressure and…”
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10
Thermo-torsional buckling and postbuckling of thin FGM cylindrical shells with porosities and tangentially restrained edges
Published in Mechanics based design of structures and machines (02-12-2023)“…This paper aims to analyze the effects of porosities, tangential constraints of boundary edges and elevated temperature on the buckling and postbuckling…”
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11
Thermomechanical Nonlinear Buckling of Pressurized Shear Deformable FGM Cylindrical Shells Including Porosities and Elastically Restrained Edges
Published in Journal of aerospace engineering (01-05-2021)“…AbstractThis work proposes an effective analytical solution to study the nonlinear buckling of functionally graded material (FGM) porous cylindrical shells…”
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12
Contraction Analysis of Nonlinear DAE Systems
Published in IEEE transactions on automatic control (01-01-2021)“…This article studies the contraction properties of nonlinear differential-algebraic equation (DAE) systems. Such systems typically appear as a singular…”
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13
Thermomechanical postbuckling behavior of CNT-reinforced composite sandwich plate models resting on elastic foundations with elastically restrained unloaded edges
Published in Journal of thermal stresses (04-05-2019)“…Buckling and postbuckling behaviors of two models of sandwich plate reinforced by carbon nanotubes (CNTs) resting on elastic foundations and subjected to…”
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14
Power Management for Electric Tugboats Through Operating Load Estimation
Published in IEEE transactions on control systems technology (01-11-2015)“…This brief presents an optimal power management scheme for an electromechanical marine vessel's powertrain. An optimization problem is formulated to optimally…”
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15
Toward Simulation-Free Estimation of Critical Clearing Time
Published in IEEE transactions on power systems (01-11-2016)“…Contingency screening for transient stability of large-scale, strongly nonlinear, interconnected power systems is one of the most computationally challenging…”
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16
Active and Interactive Mapping With Dynamic Gaussian Process Implicit Surfaces for Mobile Manipulators
Published in IEEE robotics and automation letters (01-04-2021)“…In this letter, we present an interactive probabilistic mapping framework for a mobile manipulator picking objects from a pile. The aim is to map the scene,…”
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17
Contraction and Robustness of Continuous Time Primal-Dual Dynamics
Published in IEEE control systems letters (01-10-2018)“…The Primal-dual (PD) algorithm is widely used in convex optimization to determine saddle points. While the stability of the PD algorithm can be easily…”
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18
Safe Reinforcement Learning for Emergency Load Shedding of Power Systems
Published in 2021 IEEE Power & Energy Society General Meeting (PESGM) (26-07-2021)“…The paradigm shift in the electric power grid necessitates a revisit of existing control methods to ensure the grid's security and resilience. In particular,…”
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Conference Proceeding -
19
Robustness Against Disturbances in Power Systems Under Frequency Constraints
Published in IEEE transactions on control of network systems (01-09-2019)“…The wide deployment of renewable generation and the gradual decrease in the overall system inertia make modern power grids more vulnerable to transient…”
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Approaches for Efficiently Detecting Frontier Cells in Robotics Exploration
Published in Frontiers in robotics and AI (25-02-2021)“…Many robot exploration algorithms that are used to explore office, home, or outdoor environments, rely on the concept of frontier cells. Frontier cells define…”
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