Power grid AC-based state estimation: Vulnerability analysis against cyber attacks

M **, J Lavaei, KH Johansson - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
To ensure grid efficiency and reliability, power system operators continuously monitor the
operational characteristics of the grid through a critical process called state estimation (SE) …

Robust dynamic state estimation of synchronous machines with asymptotic state estimation error performance guarantees

SA Nugroho, AF Taha, J Qi - IEEE Transactions on Power …, 2019 - ieeexplore.ieee.org
A robust observer for performing power system dynamic state estimation (DSE) of a
synchronous generator is proposed. The observer is developed using the concept of L∞ …

Dynamic state estimation of nonlinear differential algebraic equation models of power networks

M Nadeem, SA Nugroho… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This paper investigates the joint problems of dynamic state estimation of algebraic variables
(voltage and phase angle) and generator states (rotor angle and frequency) of nonlinear …

Nonlinear dynamic systems parameterization using interval-based global optimization: Computing lipschitz constants and beyond

SA Nugroho, AF Taha, V Hoang - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Numerous state-feedback and observer designs for nonlinear dynamic systems (NDS) have
been developed in the past three decades. These designs assume that NDS nonlinearities …

Robust dynamic state estimation of multi-machine power networks with solar farms and dynamics loads

M Nadeem, AF Taha - 2022 IEEE 61st Conference on Decision …, 2022 - ieeexplore.ieee.org
Conventional state estimation routines of electrical grids are mainly reliant on dynamic
models of fossil fuel-based resources. These models commonly contain differential …

Characterizing the nonlinearity of power system generator models

SA Nugroho, AF Taha, J Qi - 2019 American Control …, 2019 - ieeexplore.ieee.org
Power system dynamics are naturally nonlinear. The nonlinearity stems from power flows,
generator dynamics, and electromagnetic transients. Characterizing the nonlinearity of the …

Sensor placement strategies for some classes of nonlinear dynamic systems via lyapunov theory

SA Nugroho, AF Taha - … IEEE 58th Conference on Decision and …, 2019 - ieeexplore.ieee.org
In this paper, the problem of placing sensors for some classes of nonlinear dynamic systems
(NDS) is investigated. In conjunction with mixed-integer programming, classical Lyapunov …

Impact of uncertainty from renewables on dynamic state estimation of power networks

M Nadeem, AF Taha… - 2022 IEEE Power & Energy …, 2022 - ieeexplore.ieee.org
The widespread installation of renewable energy resources in electrical power systems
poses a new set of challenges primarily because of their variability. Their uncertain nature …

Computing Lipschitz Constants for Hydraulic Models of Water Distribution Networks

R Shadfan, S Wang, SA Nugroho, F Chen… - arxiv preprint arxiv …, 2020 - arxiv.org
Drinking water distribution networks (WDN) are large-scale, dynamic systems spanning
large geographic areas. Water networks include various components such as junctions …