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Improved results on perturbed T-S fuzzy systems with mixed delays using geometric sequence division related partitioning methods

Hao Chen
2016 Advances in Difference Equations  
This paper addresses improved stability results for T-S fuzzy systems with mixed delays and nonlinear perturbations.  ...  A stability analysis of the delayed T-S fuzzy systems is presented with much less conservative criteria.  ...  In the recent decades, distributed delay is researched as a different type of delays for stability analysis in nonlinear dynamic systems which commonly appears in some engineering applications, such as  ... 
doi:10.1186/s13662-016-1044-7 fatcat:ihgqr4gnybc3lnxw3mlmzrtd2i

Fixed point results for a pair of fuzzy mappings and related applications in b-metric like spaces

Tahair Rasham, Giuseppe Marino, Aqeel Shahzad, Choonkill Park, Abdullah Shoaib
2021 Advances in Difference Equations  
Also, we attain a unique solution for a system of integral equations, and lastly we give an application to ensure that there exists a common bounded solution of a suitable functional equation in dynamic  ...  First, we attain a fixed point for two fuzzy mappings satisfying a suitable requirement of contractiveness. Subsequently, we apply such a result to graphic contractions.  ...  Application to functional equations Here, we derive an application for the solution of a functional equation arising in dynamic programming.  ... 
doi:10.1186/s13662-021-03418-5 fatcat:5bzcscitnveyvkfxqgnbiv2oqa

A dynamical system study for the ecological development of mineral resources in minority areas

Yuyan Luo, Yong Qin, Zhong Wang, Jun Wang
2019 Discrete and Continuous Dynamical Systems. Series S  
as the main research object based on system dynamics simulation, combination determining weights, and fuzzy sets, etc.  ...  In this paper, a SD model with the characteristic of minority areas is established by constructing the dynamical system flowchart that takes mineral resources-environment-economy-society (MEES system)  ...  In this paper, the MEES system conforms the minority areas in China which is constructed by using a dynamical system.  ... 
doi:10.3934/dcdss.2019074 fatcat:of3ajdgf3jbaxlquio2duqooiy

Studying the Electromechanical System of a Series/Parallel HEV with Planetary Gearbox Dynamics. PART I: Simulation of the System

John Dermentzoglou
2020 IET Electrical Systems in Transportation  
The differential equations of the mechanical subsystem are solved with the aid of a dimensionless system in order to deal with the 'stiffness' problem.  ...  gear dynamics, in comparison with previous studies which implement simple algebraic models.  ...  The system under study is a combination of a series hybrid system with a parallel hybrid system in order to exploit the benefits of both systems.  ... 
doi:10.1049/iet-est.2019.0115 fatcat:vlb26bvfjngqrlizq3eyg3bg6m

Evolving Multi Rover Systems in Dynamic and Noisy Environments [chapter]

Kagan Tumer, Adrian Agogino
2007 Studies in Computational Intelligence  
system.  ...  In addition we show that the collective continues to perform well in the presence of high noise levels and when the environment is highly dynamic.  ...  Such a system will be fully factored by the definition of Equation 1.  ... 
doi:10.1007/978-3-540-49774-5_16 fatcat:eomrtlmrerb2tk3osla2qwbo5i

Analysis of Environmental Costs' Effect in Green Mining Strategy Using a System Dynamics Approach: A Case Study

Amir Jafarpour, Siamak Khatami, Noorbakhsh Amiri Golilarz
2021 Mathematical Problems in Engineering  
Furthermore, this research evaluates the effectiveness of implementing each possible mining green strategy in a large-scale copper mine using the System Dynamics (SD) approach.  ...  The current study tries to model the mining cost structure by considering the causal relationships between different factors affecting open-pit mining costs to highlight the EC's role.  ...  [17] was based on a fuzzy MCDM method, namely, the fuzzy TOPSIS method, and is not comparable to the dynamic model presented in the current study.  ... 
doi:10.1155/2021/4893776 fatcat:tk2aczoapvcihdvmosqhysvvqe

Dynamic Evaluation of Sustainable Water Resource Systems in Metropolitan Areas: A Case Study of the Beijing Megacity

Chaoyang Du
2020 Water  
In this study, the sustainable water resource system (SWRS) operating mechanism is discussed, considering three components: dynamics, resistance and coordination.  ...  An evaluation indicator system is constructed for the SWRS in Beijing, and evaluation standards with five grades are established.  ...  For example, the focus of an indicator system in selecting indicators is different in different geographical regions for the evaluation of water resources sustainability.  ... 
doi:10.3390/w12092629 doaj:30180b8369a244b3b8896b5541598d65 fatcat:e4ivnbmq6re5tlxdlxmxj6ivzq

Dynamic decision networks for decision-making in self-adaptive systems: A case study

Nelly Bencomo, Amel Belaggoun, Valerie Issarny
2013 2013 8th International Symposium on Software Engineering for Adaptive and Self-Managing Systems (SEAMS)  
In this paper, we discuss the case for the use of BNs, specifically Dynamic Decision Networks (DDNs), to support the decision-making of self-adaptive systems.  ...  Index Terms-self-adaptive systems, dynamic decision networks, bayesian networks, uncertainty modeling.  ...  Also thanks to Andres Ramirez for the support on the use of the RDM case study.  ... 
doi:10.1109/seams.2013.6595498 dblp:conf/icse/BencomoBI13 fatcat:agecq67tszemrhqyhx5pa6q2wa

Using AHP Technique and Fuzzy VIKOR Technique to Select a Dynamic Enterprise Resource Planning System in Rayan Pardazesh Co. Case study

Mandana IZADI, Mohammad Reza TAGHVA
2017 International Journal of Academic Research in Accounting, Finance and Management Sciences  
In second step of the research, to select appropriate software, AHP method is used for weighting and Fuzzy VIKOR method is used to select the best ERP system.  ...  The results obtained from the study have shown that EPICOR system is the most appropriate and the best system to be implemented in the said company due to its conditions and needs and the software capabilities  ...  difference could be non-scaled using equations 6 and 7.  ... 
doi:10.6007/ijarafms/v7-i2/2828 fatcat:pw45uvefnjhs7pdtlndhgar644

The Dynamic Systems Approach in the Study of L1 and L2 Acquisition: An Introduction

2008 The Modern Language Journal  
Disappointing, because I believe dynamic systems should be the central approach in studies of development, learning and acquisition, because these phenomena are prime examples of dynamic systems.  ...  In this article I will first present a description of what I think dynamic systems means and show how it differs from the descriptive, explanatory and methodological practice that prevails in the scientific  ...  that matter should be studied in a dynamic systems framework).  ... 
doi:10.1111/j.1540-4781.2008.00713.x fatcat:rcu6qnyilbh3rknr6qzdizj6na

System dynamics-based evaluation of interventions to promote appropriate waste disposal behaviors in low-income urban areas: A Baltimore case study

Huaqing Guo, Benjamin F. Hobbs, Molly E. Lasater, Cindy L. Parker, Peter J. Winch
2016 Waste Management  
A system dynamics model is proposed to quantify the impacts of interventions on residential waste related behavior.  ...  A case study of low-income urban neighborhoods in Baltimore, MD USA is presented.  ...  The authors would also like to thank the student researchers who assisted in the field research, including Ronald Saxton, Namratha Rao, Elizabeth Eastman, and Adaobi Nwabuo.  ... 
doi:10.1016/j.wasman.2016.05.019 pmid:27260985 fatcat:24yezn7tdfdyrg5z6ktm2onvzu

A Mixed Approach for Modeling and Fault Diagnosis of Hybrid Dynamical Systems with Unknown Disturbances

2018 Studies in Informatics and Control  
The TA, which are commonly used in discrete event systems enables to take into account temporal aspects and to follow up the system dynamic evolution as well as fault propagation effects.  ...  A hybrid dynamical system (HDS) results from the interaction between continuous and discrete dynamics.  ...  A hybrid system will be then modeled by a set of continuous dynamics corresponding to different discrete events.  ... 
doi:10.24846/v27i3y201806 fatcat:ysc5pzlvdzdqxj37wwvn7a63ym

Scaled vehicle system dynamics and control: a case study in anti-lock braking

Raul G. Longoria, Amrou Al-Sharif, Chinmaya B. Patil
2004 International Journal of Vehicle Autonomous Systems  
Scaled systems can be effectively used to evaluate and simulate critical stages in vehicle design and virtual prototyping procedures by giving proper consideration to dynamic similarity.  ...  The development of a 1/5th scale laboratory vehicle testbed is presented as a case study.  ...  been partially supported by a grant from the National Science Foundation for the Industry/University Cooperative Research Center for Virtual Proving Ground Simulation: Mechanical and Electromechanical Systems  ... 
doi:10.1504/ijvas.2004.004454 fatcat:dbbnapjnvbbszl2xqwvhzge7iy

Fault Diagnosis in Flywheels: Case Study of a Reaction Wheel Dynamic System with Bearing Imperfections

CU Mba
2017 International Journal of Performability Engineering  
SR is a fairly novel tool which has shown a lot of promise in the context of mechanical systems fault diagnosis.  ...  This study is intended to highlight the importance of flywheels, in particular reaction wheels and steps that can be taken to ensure that they remain in stable condition for the duration of their mission  ...  Related work There are different intriguing studies that have been done on detecting and isolating faults in RWAs.  ... 
doi:10.23940/ijpe.17.04.p3.362373 fatcat:qpkexrvxmbh6xlt3ntdrmplwyy

Improvement of Dynamic Performance using the Grid-Tied Photovoltaic (PV) System with Nonlinear Controller

Amir Nangyal, US Pakistan Center for Advance Studies in Energy (USPCAS-E) UET Peshawar
2019 International Journal of Engineering Works  
This work offers techniques for improving the dynamic performance of the PV system by controlling voltage sag through the application of fuzzy logic (FLC) based maximum power point techniques (MPPT) at  ...  Such methods are applied by designing a MATLAB / SIMULINK 1-MW PV system and validating the tests by adding faults in the system.  ...  as to build the relation between the MPPT function and the power flow control.  ... 
doi:10.34259/ijew.19.612459465 fatcat:vhsws3urxvdnlcyviog2elbh7i
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