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33 Results Found

  • Article
  • Open Access
1 Citations
1,163 Views
18 Pages

15 November 2024

In the study of uncertain autoregressive models, how to estimate the unknown parameters and uncertain disturbance term in the models is always a key problem. In view of this, this paper proposes a statistical inference method based on the principle o...

  • Article
  • Open Access
1 Citations
4,126 Views
10 Pages

Inventory Model with Stochastic Demand Using Single-Period Inventory Model and Gaussian Process

  • Jose Mejia,
  • Liliana Avelar-Sosa,
  • Boris Mederos and
  • Jorge L. García-Alcaraz

16 April 2022

Proper inventory management is vital to achieving sustainability within a supply chain and is also related to a company’s cash flow through the funds represented by the inventory. Therefore, it is necessary to balance excess inventory and insuf...

  • Article
  • Open Access
3 Citations
2,968 Views
14 Pages

Pipeline Leak Detection and Estimation Using Fuzzy PID Observer

  • Raheleh Jafari,
  • Sina Razvarz,
  • Cristóbal Vargas-Jarillo,
  • Alexander Gegov and
  • Farzad Arabikhan

A pipe is a ubiquitous product in the industries that is used to convey liquids, gases, or solids suspended in a liquid, e.g., a slurry, from one location to another. Both internal and external cracking can result in structural failure of the industr...

  • Article
  • Open Access
2 Citations
1,983 Views
19 Pages

Utilizing Fractional Artificial Neural Networks for Modeling Cancer Cell Behavior

  • Reza Behinfaraz,
  • Amir Aminzadeh Ghavifekr,
  • Roberto De Fazio and
  • Paolo Visconti

13 October 2023

In this paper, a novel approach involving a fractional recurrent neural network (RNN) is proposed to achieve the observer-based synchronization of a cancer cell model. According to the properties of recurrent neural networks, our proposed framework s...

  • Article
  • Open Access
11 Citations
4,005 Views
16 Pages

23 January 2022

Scientific prediction of water consumption is beneficial for the management of water resources. In practice, many factors affect water consumption, and the various impact mechanisms are complex and uncertain. Meanwhile, the water consumption time ser...

  • Article
  • Open Access
39 Citations
6,878 Views
15 Pages

The NARX Model-Based System Identification on Nonlinear, Rotor-Bearing Systems

  • Ying Ma,
  • Haopeng Liu,
  • Yunpeng Zhu,
  • Fei Wang and
  • Zhong Luo

5 September 2017

In practice, it is usually difficult to obtain the physical model of nonlinear, rotor-bearing systems due to uncertain nonlinearities. In order to solve this issue to conduct the analysis and design of nonlinear, rotor-bearing systems, in this study,...

  • Article
  • Open Access
122 Citations
11,173 Views
22 Pages

ARIMA Models in Electrical Load Forecasting and Their Robustness to Noise

  • Ewa Chodakowska,
  • Joanicjusz Nazarko and
  • Łukasz Nazarko

28 November 2021

The paper addresses the problem of insufficient knowledge on the impact of noise on the auto-regressive integrated moving average (ARIMA) model identification. The work offers a simulation-based solution to the analysis of the tolerance to noise of A...

  • Article
  • Open Access
6 Citations
3,195 Views
28 Pages

13 February 2021

This paper analyses the financial implications, from the point of view of an investor in renewable energy, which sells the energy for an uncertain price of electricity and decides to take advantage of the Colombian tax policy over the renewable energ...

  • Article
  • Open Access
2 Citations
1,791 Views
32 Pages

This paper aims to leverage Bayesian nonlinear expectations to construct Bayesian lower and upper estimates for prices of Ether options, that is, options written on Ethereum, with conditional heteroscedasticity and model uncertainty. Specifically, a...

  • Article
  • Open Access
500 Views
20 Pages

17 December 2025

Open-channel irrigation systems often face constraints due to water supply uncertainty and insufficient gate control precision. This study proposes an integrated framework for canal water allocation and gate control that combines interval-based uncer...

  • Article
  • Open Access
1 Citations
1,278 Views
26 Pages

26 July 2023

With the global economic situation still uncertain and various businesses interconnected within the finance system, financial hazards exhibit characteristics such as rapid propagation and wide scope. Therefore, it is of great significance to analyze...

  • Feature Paper
  • Article
  • Open Access
3 Citations
984 Views
26 Pages

25 February 2025

This study introduces an adaptive robust approach for optimally sizing hybrid renewable energy systems (HRESs) comprising solar panels, wind turbines, batteries, and a diesel generator. It integrates vector auto-regressive models (VAR) and neural net...

  • Article
  • Open Access
7 Citations
2,240 Views
15 Pages

Could Cryptocurrency Policy Uncertainty Facilitate U.S. Carbon Neutrality?

  • Chi-Wei Su,
  • Yuru Song,
  • Hsu-Ling Chang,
  • Weike Zhang and
  • Meng Qin

Investigating the essential impact of the cryptocurrency market on carbon emissions is significant for the U.S. to realize carbon neutrality. This exploration employs low-frequency vector auto-regression (LF-VAR) and mixed-frequency VAR (MF-VAR) mode...

  • Article
  • Open Access
31 Citations
5,318 Views
13 Pages

Transformer-Based Hybrid Forecasting Model for Multivariate Renewable Energy

  • Guilherme Afonso Galindo Padilha,
  • JeongRyun Ko,
  • Jason J. Jung and
  • Paulo Salgado Gomes de Mattos Neto

30 October 2022

In recent years, the use of renewable energy has grown significantly in electricity generation. However, the output of such facilities can be uncertain, affecting their reliability. The forecast of renewable energy production is necessary to guarante...

  • Article
  • Open Access
2 Citations
4,364 Views
15 Pages

This study aims to combine the use of dynamic conditional correlation multiple generalized autoregressive conditional heteroskedasticity (DCC-GARCH) models and deep learning techniques in analyzing the dynamic correlation between stock markets. First...

  • Article
  • Open Access
2 Citations
1,664 Views
19 Pages

24 November 2021

In this paper, the Nonlinear Auto-Regressive with exogenous inputs (NARX) model with parameters of interest for design (NARX-M-for-D), where the design parameter of the system is connected to the coefficients of the NARX model by a predefined polynom...

  • Article
  • Open Access
9 Citations
2,902 Views
12 Pages

5 April 2022

Classification-based forest management (CFM) is generally regarded as an important political means of achieving sustainable forest development. However, in the upsurge of publicly managed forest devolution, the impact of CFM policies on forestland re...

  • Article
  • Open Access
9 Citations
3,378 Views
21 Pages

A Machine Learning-Based Ensemble Framework for Forecasting PM2.5 Concentrations in Puli, Taiwan

  • Peng-Yeng Yin,
  • Alex Yaning Yen,
  • Shou-En Chao,
  • Rong-Fuh Day and
  • Bir Bhanu

27 February 2022

Forecasting of PM2.5 concentration is a global concern. Evidence has shown that the ambient PM2.5 concentrations are harmful to human health, climate change, plant species mortality, etc. PM2.5 concentrations are caused by natural and anthropogenic a...

  • Article
  • Open Access
16 Citations
3,323 Views
16 Pages

21 June 2022

Demand forecasting plays a crucial role in a company’s operating costs. Excessive inventory can increase costs and unnecessary waste can be reduced if managers plan for uncertain future demand and determine the most favorable decisions. Manager...

  • Article
  • Open Access
55 Citations
4,846 Views
24 Pages

Grade Prediction Modeling in Hybrid Learning Environments for Sustainable Engineering Education

  • Zoe Kanetaki,
  • Constantinos Stergiou,
  • Georgios Bekas,
  • Sébastien Jacques,
  • Christos Troussas,
  • Cleo Sgouropoulou and
  • Abdeldjalil Ouahabi

26 April 2022

Since mid-March 2020, due to the COVID-19 pandemic, higher education has been facing a very uncertain situation, despite the hasty implementation of information and communication technologies for distance and online learning. Hybrid learning, i.e., t...

  • Article
  • Open Access
4 Citations
2,219 Views
18 Pages

27 January 2025

This study employs the Autoregressive Distributed Lag (ARDL) model to investigate the short-term and long-term effects of independent variables, including Agricultural output (A), Renewable energy consumption (REC), Non-renewable energy consumption (...

  • Article
  • Open Access
872 Views
23 Pages

The growing demand for agile and reliable Unmanned Aerial Vehicles (UAVs) has spurred the advancement of advanced control strategies capable of ensuring stability and precision under nonlinear and uncertain flight conditions. This work addresses the...

  • Article
  • Open Access
5 Citations
2,664 Views
15 Pages

3 June 2023

Under the influence of global climate change and urbanization processes, the number of available water resources (AWRs) in basins has become significantly more uncertain, which has restricted the sustainable development of basins. Therefore, it is im...

  • Article
  • Open Access
1 Citations
868 Views
26 Pages

17 September 2025

Clinical laboratories require accurate forecasting and efficient inventory management to balance service quality and cost under uncertain demand. In this study, we propose a hybrid forecasting–optimization framework tailored to hospital clinica...

  • Article
  • Open Access
4 Citations
3,069 Views
18 Pages

17 June 2021

The uncertainty of economic policy, a specific form of uncertainty, can affect both economic growth, and the effectiveness of the macroeconomic regulation and control policy. Existing studies have analyzed the impacts of economic policy uncertainty o...

  • Article
  • Open Access
41 Citations
4,143 Views
21 Pages

An Ideology of Sustainability under Technological Revolution: Striving towards Sustainable Development

  • Syed Abdul Rehman Khan,
  • Ridwan Lanre Ibrahim,
  • Abul Quasem Al-Amin and
  • Zhang Yu

7 April 2022

The recent decades have witnessed an unprecedented surge in global warming occasioned by human anthropogenic activities. The ensuing effects have brought devastating threats to human existence and the ecosystem, with the sustainability of the future...

  • Article
  • Open Access
35 Citations
6,167 Views
15 Pages

A Novel WD-SARIMAX Model for Temperature Forecasting Using Daily Delhi Climate Dataset

  • Ahmed M. Elshewey,
  • Mahmoud Y. Shams,
  • Abdelghafar M. Elhady,
  • Samaa M. Shohieb,
  • Abdelaziz A. Abdelhamid,
  • Abdelhameed Ibrahim and
  • Zahraa Tarek

31 December 2022

Forecasting is defined as the process of estimating the change in uncertain situations. One of the most vital aspects of many applications is temperature forecasting. Using the Daily Delhi Climate Dataset, we utilize time series forecasting technique...

  • Article
  • Open Access
18 Citations
7,451 Views
29 Pages

14 March 2019

Robot introspection is expected to greatly aid longer-term autonomy of autonomous manipulation systems. By equipping robots with abilities that allow them to assess the quality of their sensory data, robots can detect and classify anomalies and recov...

  • Article
  • Open Access
3 Citations
2,589 Views
18 Pages

14 May 2018

Accurate electricity price prediction is key to the orderly operation of the electricity market. However, the uncertain, stochastic and fluctuant characteristics of electricity pricees make prediction difficult. With the aim of solving this issue, th...

  • Article
  • Open Access
1 Citations
2,232 Views
24 Pages

27 September 2024

The sustainable development of the hog industry has significant implications for agricultural development, farmers’ income, and the daily lives of residents. Precise hog supply forecasts are essential for both government to ensure food security...

  • Article
  • Open Access
14 Citations
2,749 Views
21 Pages

18 November 2022

Photovoltaic (PV) energy source generation is becoming more and more common with a higher penetration level in the smart grid because of PV energy’s falling production costs. PV energy is intermittent and uncertain due to its dependence on irra...

  • Article
  • Open Access
12 Citations
2,609 Views
16 Pages

Research on Spiral Tunnel Exit Speed Prediction Model Based on Driver Characteristics

  • Xiaoling Xu,
  • Xuejian Kang,
  • Xiaoping Wang,
  • Shuai Zhao and
  • Chundi Si

25 November 2022

The “white hole effect” alters the driving environment during a tunnel’s exit phase, making it more difficult and uncertain for drivers to access information and control their behavior, thereby endangering traffic safety. Consequent...

  • Article
  • Open Access
4 Citations
3,143 Views
28 Pages

Multiresolution GPC-Structured Control of a Single-Loop Cold-Flow Chemical Looping Testbed

  • Shu Zhang,
  • Joseph Bentsman,
  • Xinsheng Lou,
  • Carl Neuschaefer,
  • Yongseok Lee and
  • Hamza El-Kebir

7 April 2020

Chemical looping is a near-zero emission process for generating power from coal. It is based on a multi-phase gas-solid flow and has extremely challenging nonlinear, multi-scale dynamics with jumps, producing large dynamic model uncertainty, which re...