Skip Content
You are currently on the new version of our website. Access the old version .

47,040 Results Found

  • Article
  • Open Access
1 Citations
1,734 Views
21 Pages

Leveraging Behavioral Correlation in Distribution System State Estimation for the Recognition of Critical System States

  • Eva Buchta,
  • Mathias Duckheim,
  • Michael Metzger,
  • Paul Stursberg and
  • Stefan Niessen

20 October 2023

State estimation for distribution systems faces the challenge of dealing with limited real-time measurements and historical data. This work describes a Bayesian state estimation approach tailored for practical implementation in different data availab...

  • Article
  • Open Access
6 Citations
4,904 Views
29 Pages

Fragile States Metric System: An Assessment Model Considering Climate Change

  • Yijian Liu,
  • Chaoqun Zhou,
  • Lin Li,
  • Liang Su and
  • Yuanbiao Zhang

28 May 2018

As a measure of the sustainability of a country, a state’s fragility is attributed to numerous elements. Meanwhile, climate change is a potential global threat in the 21st century, which may further aggravate the fragility of countries. Concern...

  • Article
  • Open Access
2 Citations
1,702 Views
23 Pages

8 February 2022

The damping system characterizes the spatial distribution of structural energy dissipation. Identifying a damping system is the premise for determining the dynamic analysis method. Concepts of nonlinear processes and non-classical damping systems are...

  • Feature Paper
  • Article
  • Open Access
679 Views
26 Pages

20 June 2025

We present a detailed mathematical description, both an analytical model and a numerical simulation, of a physical system based on a superconducting nanoelectromechanical setup that generates nanomechanical cat-states entangled with charge qubit stat...

  • Article
  • Open Access
2 Citations
2,442 Views
13 Pages

29 September 2018

This paper is aimed to obtain the instantaneous availabilities (IAs) for the two-unit series system and parallel system with three states. By the compound S i m p s o n formula and the compound trapezoidal formula, we get the numerical soluti...

  • Article
  • Open Access
20 Citations
8,691 Views
21 Pages

4 February 2018

The Colorado River is an important natural resource for the Southwestern United States. Predicted climate change impacts include increased temperature, decreased rainfall and increased probability of drought in this region. Given the large amount of...

  • Article
  • Open Access
3 Citations
1,886 Views
10 Pages

13 December 2022

We developed a quantum scheme of two atoms (TAs) and field initially in a negative binomial state (NBS). We displayed and discussed the physical implications of the obtained results in terms of the physical parameters of the model. By considering tha...

  • Article
  • Open Access
3 Citations
2,622 Views
17 Pages

31 January 2024

Wildfires are becoming more frequent due to the global climate change. Large amounts of greenhouse gases emitted by wildfires can lead to increases in extreme climate events. Accurately estimating the greenhouse gas carbon dioxide (CO2) emissions fro...

  • Article
  • Open Access
2,005 Views
22 Pages

16 November 2023

In order to reduce the offshore wind power operation and maintenance vessel motion induced by severe sea states, a suitable stabilizer with the ship based on linear quadratic regulator strategy is proposed in this paper. First of all, the dynamics of...

  • Feature Paper
  • Review
  • Open Access
29 Citations
10,327 Views
16 Pages

A Review of Distribution System State Estimation Methods and Their Applications in Power Systems

  • Joddumahanthi Vijaychandra,
  • Bugatha Ram Vara Prasad,
  • Vijaya Kumar Darapureddi,
  • Bathina Venkateswara Rao and
  • Łukasz Knypiński

This paper summarizes a review of the distribution system state estimation (DSSE) methods, techniques, and their applications in power systems. In recent years, the implementation of a distributed generation has affected the behavior of the distribut...

  • Article
  • Open Access
12 Citations
3,796 Views
20 Pages

5 January 2020

This article describes a case study using a fault tree analysis for a multi-operational-state system (system with several operational states) model with many different technical solutions for the power system of a fishing vessel. We describe the esse...

  • Article
  • Open Access
3 Citations
2,990 Views
27 Pages

Inverse Optimal Control in State Derivative Space System with Applications in Motor Control

  • Feng-Chi Lee,
  • Yuan-Wei Tseng,
  • Rong-Ching Wu,
  • Wen-Chuan Chen and
  • Chin-Sheng Chen

23 March 2021

This paper mathematically explains how state derivative space (SDS) system form with state derivative related feedback can supplement standard state space system with state related feedback in control designs. Practically, inverse optimal control is...

  • Feature Paper
  • Article
  • Open Access
2 Citations
933 Views
17 Pages

19 March 2025

The present paper elaborates on the development of a theory of discrete-time dynamical systems on finite-dimensional structured state spaces. Dynamical systems on structured state spaces possess well-known applications to solving differential equatio...

  • Article
  • Open Access
1,133 Views
12 Pages

A Method to Handle Unbalanced Systems in Branch Current-Based State Estimators

  • Andrés Llombart,
  • Luis Parada,
  • Miguel Torres,
  • Noemi Galán and
  • Diego Martinez

24 January 2025

The undergoing energy transition to a sustainable future requires, among other things, the application of demand side management (DSM) techniques to maintain grid stability and allow a smooth performance. To successfully implement DSM strategies, nea...

  • Article
  • Open Access
857 Views
19 Pages

12 October 2024

This paper proposes a state estimation method of linear discrete rectangular singular systems. The system is observable and regular, and the system matrix is rectangular without full column rank. To give the estimation of the state, the state is deco...

  • Article
  • Open Access
6 Citations
2,064 Views
18 Pages

Comparative Reliability Analysis of Unmanned Aerial Vehicle Swarm Based on Mathematical Models of Binary-State and Multi-State Systems

  • Elena Zaitseva,
  • Ravil Mukhamediev,
  • Vitaly Levashenko,
  • Andriy Kovalenko,
  • Miroslav Kvassay,
  • Yan Kuchin,
  • Adilkhan Symagulov,
  • Alexey Oksenenko,
  • Zamzagul Sultanova and
  • Darkhan Zhaxybayev

17 November 2024

A key aspect in evaluating the performance of a UAV or its swarm is reliability. The reliability is calculated based on various mathematical models. Traditionally, Binary-State System (BSS) models, which assess two states—operational and faulty...

  • Review
  • Open Access
29 Citations
5,003 Views
17 Pages

The Challenges of Low Voltage Distribution System State Estimation—An Application Oriented Review

  • István Táczi,
  • Bálint Sinkovics,
  • István Vokony and
  • Bálint Hartmann

28 August 2021

Global trends such as the growing share of renewable energy sources in the generation mix, electrification, e-mobility, and the increasing number of prosumers reshape the electricity value chain, and distribution systems are necessarily affected. The...

  • Article
  • Open Access
7 Citations
2,565 Views
15 Pages

Algebraic Analysis of Variants of Multi-State k-out-of-n Systems

  • Patricia Pascual-Ortigosa and
  • Eduardo Sáenz-de-Cabezón

25 August 2021

We apply the algebraic reliability method to the analysis of several variants of multi-state k-out-of-n systems. We describe and use the reliability ideals of multi-state consecutive k-out-of-n systems with and without sparse, and show the results of...

  • Article
  • Open Access
559 Views
14 Pages

6 November 2025

We investigate the effect of giant negative magnetoresistance in ultrahigh-mobility (μ107cm2V1s1) two-dimensional electron systems. These systems present a dramatic drop in the mangetoresistance at low magnetic fields (B0...

  • Article
  • Open Access
6 Citations
1,519 Views
20 Pages

20 March 2024

In this article, the issue of joint state and fault estimation is ironed out for delayed state-saturated systems subject to energy harvesting sensors. Under the effect of energy harvesting, the sensors can harvest energy from the external environment...

  • Review
  • Open Access
10 Citations
3,845 Views
20 Pages

25 September 2024

Due to the increasing demand for electricity, competitive electricity markets, and economic concerns, power systems are operating near their stability margins. As a result, power systems become more vulnerable following disturbances, particularly fro...

  • Article
  • Open Access
3 Citations
2,002 Views
14 Pages

Robust State Estimation for T–S Fuzzy Markov Jump Systems

  • Zhenglei Zhang,
  • Jirong Wang,
  • Junwei Gao and
  • Huabo Liu

16 January 2023

The problem of robust state estimation for a class of uncertain nonlinear systems with Markov jump is investigated. The uncertain nonlinear system under consideration is represented by the Takagi–Sugeno (T–S) fuzzy model because it is dif...

  • Article
  • Open Access
6 Citations
3,255 Views
20 Pages

15 July 2021

This paper focuses on the problems of input-to-state stability (ISS) and stabilization for nonlinear impulsive positive systems (NIPS). Using the max-separable ISS Lyapunov function method, a sufficient condition on ISS is given for general NIPS. On...

  • Article
  • Open Access
12 Citations
4,013 Views
19 Pages

16 February 2022

Maintaining reliability during power system operation relies heavily on the operator’s knowledge of the system and its current state. With the increasing complexity of power systems, full system monitoring is needed. Due to the costs to install...

  • Article
  • Open Access
1 Citations
1,944 Views
24 Pages

Robust State-Feedback Control and Convergence Analysis for Uncertain LPV Systems Using State and Parameter Estimation

  • Esdras Battosti da Silva,
  • Ruhan Pontes Policarpo de Souza,
  • Cristiano Marcos Agulhari,
  • Glaucia Maria Bressan and
  • Wesley Angelino de Souza

22 June 2024

This study introduces the design of a state-feedback controller for Linear Parameter Varying (LPV) systems in scenarios where exogenous parameters are not directly accessible, and the state vector is to be estimated. Instead of considering a static f...

  • Article
  • Open Access
2 Citations
2,189 Views
14 Pages

Cell-like P Systems with Channel States and Synchronization Rule

  • Suxia Jiang,
  • Tao Liang,
  • Bowen Xu,
  • Zhichao Shen,
  • Xiaoliang Zhu and
  • Yanfeng Wang

27 December 2022

Cell-like P systems with channel states and symport/antiport rules (CCS P systems) are a type of nondeterministic parallel biological computing model, where there exists a channel between adjacent regions and there is a state on each channel to contr...

  • Feature Paper
  • Article
  • Open Access
3 Citations
3,900 Views
32 Pages

Mathematical Models for Unstable Quantum Systems and Gamow States

  • Manuel Gadella,
  • Sebastián Fortín,
  • Juan Pablo Jorge and
  • Marcelo Losada

8 June 2022

We review some results in the theory of non-relativistic quantum unstable systems. We account for the most important definitions of quantum resonances that we identify with unstable quantum systems. Then, we recall the properties and construction of...

  • Article
  • Open Access
17 Citations
4,365 Views
22 Pages

9 February 2018

To address the issue that the phasor measurement units (PMUs) of wide area measurement system (WAMS) are not sufficient for static state estimation in most existing power systems, this paper proposes a mixed power system weighted least squares (WLS)...

  • Article
  • Open Access
3 Citations
4,282 Views
11 Pages

Digital Health Information Systems in the Member States of the Commonwealth of Independent States: Status and Prospects

  • Alexandr Semyonov,
  • Elena Bogdan,
  • Elena Shamal,
  • Aelita Sargsyan,
  • Karapet Davtyan,
  • Natasha Azzopardi-Muscat and
  • David Novillo-Ortiz

14 July 2023

This paper examines the status of the development of national digital health information systems (HIS) in Commonwealth of Independent States (CIS) member states. Data for research were collected using a questionnaire adapted from the questionnaire of...

  • Article
  • Open Access
6 Citations
5,353 Views
26 Pages

17 April 2018

A relation is established in the present paper between Dicke states in a d-dimensional space and vectors in the representation space of a generalized Weyl–Heisenberg algebra of finite dimension d. This provides a natural way to deal with the se...

  • Article
  • Open Access
1 Citations
2,202 Views
29 Pages

18 July 2022

The automated manufacturing systems (AMS) can be regarded as a resource allocation system which can be abstracted as discrete event systems (DES) for analysis. Once an effective computational method is put forward to the DES, the corresponding real A...

  • Article
  • Open Access
1,051 Views
28 Pages

28 October 2025

Few publications have elaborated on the steady-state model, a ‘cybernetic model’ that should not be confused with its namesake in mathematical systems; it is rooted in preceding publications about general systems theories, something that...

  • Article
  • Open Access
1 Citations
1,511 Views
22 Pages

5 February 2024

The popularization of electricity-gas systems leads to increasing demand for state management of systems. However, the existence of neglected measurement correlations brings uncertainties to the electricity-gas systems state estimation. In this paper...

  • Article
  • Open Access
13 Citations
8,122 Views
22 Pages

28 May 2015

This paper describes a method for the control of transient exhaust gas recirculation (EGR) systems. Firstly, a state space model of the air system is developed by simplifying a mean value model. The state space model is linearized by using linearizat...

  • Article
  • Open Access
3 Citations
2,207 Views
17 Pages

10 March 2022

In a stress-strength system, the mean remaining strength is the key to deciding the safety threshold for the system continuing to operate. In this study, a multi-state stress-strength system composed of two-state components is discussed, and the mean...

  • Article
  • Open Access
12 Citations
3,007 Views
14 Pages

Linear Quadratic Optimal Control with the Finite State for Suspension System

  • Qidi Fu,
  • Jianwei Wu,
  • Chuanyun Yu,
  • Tao Feng,
  • Ning Zhang and
  • Jianrun Zhang

17 January 2023

The control algorithm could greatly help the suspension system improve the comprehensive performance of the vehicle. Existing control methods need to obtain the intermediate states, which are difficult to obtain directly or accurately when estimated...

  • Article
  • Open Access
41 Citations
6,633 Views
18 Pages

A Hybrid State Estimator Based on SCADA and PMU Measurements for Medium Voltage Distribution System

  • Xiangyu Kong,
  • Ying Chen,
  • Tao Xu,
  • Chengshan Wang,
  • Chengsi Yong,
  • Peng Li and
  • Li Yu

1 September 2018

With the increasing importance of renewable energy and flexible loads, the operation of the distribution system is becoming more stochastic and complex, and it is necessary to monitor the power system in real-time. Considering the gradual application...

  • Article
  • Open Access
2 Citations
2,362 Views
25 Pages

Methodology for the Assessment of Imprecise Multi-State System Availability

  • Joanna Akrouche,
  • Mohamed Sallak,
  • Eric Châtelet,
  • Fahed Abdallah and
  • Hiba Hajj Chehade

4 January 2022

Most existing studies of a system’s availability in the presence of epistemic uncertainties assume that the system is binary. In this paper, a new methodology for the estimation of the availability of multi-state systems is developed, taking in...

  • Article
  • Open Access
3 Citations
1,752 Views
22 Pages

18 December 2023

In instances where vessels encounter impacts or other factors leading to communication impairments, the status of electrical equipment becomes inaccessible through standard communication lines for the controllers. Consequently, the shipboard power sy...

  • Feature Paper
  • Article
  • Open Access
5 Citations
2,164 Views
17 Pages

13 November 2021

Backstepping method is a successful approach to deal with the systems in strict-feedback form. However, for networked control systems, the discontinuous virtual law caused by state quantization introduces huge challenges for its applicability. In thi...

  • Article
  • Open Access
503 Views
23 Pages

12 August 2025

This paper investigates the joint state and parameter estimation issue of the bilinear state–space system with non-Gaussian process noise and non-Gaussian measurement noise. Tackling such an issue is challenging because either of these noises m...

  • Article
  • Open Access
1 Citations
2,170 Views
24 Pages

21 September 2021

The paper concerns the estimation of the state of a power system in which there is a phase shifter called a quadrature booster. The aim of the paper is a comparative analysis of two different cases including the quadrature booster in the state estima...

  • Article
  • Open Access
350 Views
20 Pages

13 December 2025

Accurate, scalable, and outlier-robust state estimation (SE) is critical for large AC power systems with mixed SCADA and PMU measurements. This paper proposes D-BSE-L1, a distributed robust state estimator for the bilinear AC model. The method combin...

  • Article
  • Open Access
18 Citations
4,406 Views
16 Pages

Distributed State Estimation of Multi-region Power System based on Consensus Theory

  • Shiwei Xia,
  • Qian Zhang,
  • Jiangping Jing,
  • Zhaohao Ding,
  • Jing Yu,
  • Bing Chen and
  • Haiwei Wu

8 March 2019

Effective state estimation is critical to the security operation of power systems. With the rapid expansion of interconnected power grids, there are limitations of conventional centralized state estimation methods in terms of heavy and unbalanced com...

  • Review
  • Open Access
33 Citations
8,641 Views
20 Pages

Microfluidic Systems Applied in Solid-State Nanopore Sensors

  • Jiye Fu,
  • Linlin Wu,
  • Yi Qiao,
  • Jing Tu and
  • Zuhong Lu

23 March 2020

Microfluidic system, as a kind of miniature integrated operating platform, has been applied to solid-state nanopore sensors after many years of experimental study. In the process of introducing microfluidic into solid-state nanopore sensors, many nov...

  • Review
  • Open Access
13 Citations
4,316 Views
15 Pages

A Concise Review of State Estimation Techniques for Partial Differential Equation Systems

  • Ivan Francisco Yupanqui Tello,
  • Alain Vande Wouwer and
  • Daniel Coutinho

9 December 2021

While state estimation techniques are routinely applied to systems represented by ordinary differential equation (ODE) models, it remains a challenging task to design an observer for a distributed parameter system described by partial differential eq...

  • Article
  • Open Access
4 Citations
1,939 Views
17 Pages

Reliability and Inference for Multi State Systems: The Generalized Kumaraswamy Case

  • Vlad Stefan Barbu,
  • Alex Karagrigoriou and
  • Andreas Makrides

4 August 2021

Semi-Markov processes are typical tools for modeling multi state systems by allowing several distributions for sojourn times. In this work, we focus on a general class of distributions based on an arbitrary parent continuous distribution function G w...

  • Article
  • Open Access
7 Citations
3,362 Views
18 Pages

21 February 2023

The battery system is one of the most-important, but also -critical components in the electric power-train. The battery’s system states and parameters are commonly tracked by the battery monitoring system. However, in reality, the accuracy of t...

  • Article
  • Open Access
1 Citations
743 Views
13 Pages

Cache-Based Design of Spaceborne Solid-State Storage Systems

  • Chang Liu,
  • Junshe An,
  • Qiang Yan and
  • Zhenxing Dong

To address the current limitations of spaceborne solid-state storage systems that cannot effectively support the parallel storage of multiple high-speed data streams, the throughput bottleneck of NAND FLASH-based solid-state storage systems was analy...

of 941