Search Results - "Thanh Long, Vu"

Buckling and postbuckling of functionally graded porous material nearly cylindrical shells under external lateral pressure in thermal environments by Thanh Long, Vu, Tung, Hoang Van

“…This paper investigates the buckling and postbuckling of nearly cylindrical shell (NCS) made of functionally graded porous material (FGPM) and subjected to…”
Get full text

Safe Exploration Reinforcement Learning for Load Restoration using Invalid Action Masking by Vu, Linh, Vu, Tuyen, Vu, Thanh-Long, Srivastava, Anurag

“…This paper addresses the load restoration problem after a power outage event. Our primary proposed methodology uses a multi-agent reinforcement learning method…”
Get full text

Lyapunov Functions Family Approach to Transient Stability Assessment by Thanh Long Vu, Turitsyn, Konstantin

“…Analysis of transient stability of strongly nonlinear post-fault dynamics is one of the most computationally challenging parts of dynamic security assessment…”
Get full text

Consensus Control for Coordinating Grid-Forming and Grid-Following Inverters in Microgrids by Singhal, Ankit, Vu, Thanh Long, Du, Wei

“…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…”
Get full text

A Framework for Robust Assessment of Power Grid Stability and Resiliency by Thanh Long Vu, Turitsyn, Konstantin

“…Security assessment of large-scale, strongly nonlinear power grids containing thousands to millions of interacting components is a computationally expensive…”
Get full text

Reinforcement Learning of Structured Stabilizing Control for Linear Systems With Unknown State Matrix by Mukherjee, Sayak, Vu, Thanh Long

“…This article delves into designing stabilizing feedback control gains for continuous-time linear systems with unknown state matrix, in which the control gain…”
Get full text

Mechanical buckling analysis of thick FGM toroidal shell segments with porosities using Reddy's higher order shear deformation theory by Long, Vu Thanh, Tung, Hoang Van

“…An analytical investigation on buckling behavior of thick functionally graded shells with nearly cylindrical shapes and porosities under mechanical loads is…”
Get full text

Multi-Agent Deep Reinforcement Learning for Distributed Load Restoration by Vu, Linh, Vu, Tuyen, Vu, Thanh Long, Srivastava, Anurag

“…This paper addresses the load restoration problem after power outage events. Our primary proposed methodology is using multi-agent deep reinforcement learning…”
Get full text

Postbuckling responses of porous FGM spherical caps and circular plates including edge constraints and nonlinear three-parameter elastic foundations by Long, Vu Thanh, Tung, Hoang Van

“…An analytical investigation on nonlinear stability of porous functionally graded spherical caps and circular plates under uniform external pressure and…”
Get full text

Thermo-torsional buckling and postbuckling of thin FGM cylindrical shells with porosities and tangentially restrained edges by Long, Vu Thanh, Tung, Hoang Van

“…This paper aims to analyze the effects of porosities, tangential constraints of boundary edges and elevated temperature on the buckling and postbuckling…”
Get full text

Thermomechanical Nonlinear Buckling of Pressurized Shear Deformable FGM Cylindrical Shells Including Porosities and Elastically Restrained Edges by Long, Vu Thanh, Tung, Hoang Van

“…AbstractThis work proposes an effective analytical solution to study the nonlinear buckling of functionally graded material (FGM) porous cylindrical shells…”
Get full text

Contraction Analysis of Nonlinear DAE Systems by Nguyen, Hung D., Vu, Thanh Long, Slotine, Jean-Jacques, Turitsyn, Konstantin

“…This article studies the contraction properties of nonlinear differential-algebraic equation (DAE) systems. Such systems typically appear as a singular…”
Get full text

Thermomechanical postbuckling behavior of CNT-reinforced composite sandwich plate models resting on elastic foundations with elastically restrained unloaded edges by Long, Vu Thanh, Tung, Hoang Van

“…Buckling and postbuckling behaviors of two models of sandwich plate reinforced by carbon nanotubes (CNTs) resting on elastic foundations and subjected to…”
Get full text

Power Management for Electric Tugboats Through Operating Load Estimation by Thanh Long Vu, Ayu, Aaron Alexander, Dhupia, Jaspreet Singh, Kennedy, Louis, Adnanes, Alf Kare

“…This brief presents an optimal power management scheme for an electromechanical marine vessel's powertrain. An optimization problem is formulated to optimally…”
Get full text

Toward Simulation-Free Estimation of Critical Clearing Time by Thanh Long Vu, Al Araifi, Surour M., El Moursi, Mohamed S., Turitsyn, Konstantin

“…Contingency screening for transient stability of large-scale, strongly nonlinear, interconnected power systems is one of the most computationally challenging…”
Get full text

Active and Interactive Mapping With Dynamic Gaussian Process Implicit Surfaces for Mobile Manipulators by Liu, Liyang, Fryc, Simon, Wu, Lan, Vu, Thanh Long, Paul, Gavin, Vidal-Calleja, Teresa

“…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,…”
Get full text

Contraction and Robustness of Continuous Time Primal-Dual Dynamics by Nguyen, Hung D., Thanh Long Vu, Turitsyn, Konstantin, Slotine, Jean-Jacques

“…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…”
Get full text

Safe Reinforcement Learning for Emergency Load Shedding of Power Systems by Vu, Thanh Long, Mukherjee, Sayak, Yin, Tim, Huang, Renke, Tan, Jie, Huang, Qiuhua

“…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,…”
Get full text

Robustness Against Disturbances in Power Systems Under Frequency Constraints by Lee, Dongchan, Aolaritei, Liviu, Vu, Thanh Long, Turitsyn, Konstantin

“…The wide deployment of renewable generation and the gradual decrease in the overall system inertia make modern power grids more vulnerable to transient…”
Get full text

Approaches for Efficiently Detecting Frontier Cells in Robotics Exploration by Quin, Phillip, Nguyen, Dac Dang Khoa, Vu, Thanh Long, Alempijevic, Alen, Paul, Gavin

“…Many robot exploration algorithms that are used to explore office, home, or outdoor environments, rely on the concept of frontier cells. Frontier cells define…”
Get full text