Modelling and Simulation of Complex Systems for Sustainable Energy Efficiency : Contributions to the First International Workshop on Modelling and Simulation of Complex Systems for Sustainable Energy Efficiency, MOSCOSSEE'2021, February 25-26 2021

• Record Nr.: UNINA9910497097703321
• Autore: Hammami Ahmed
• Pubbl/distr/stampa: Cham : , : Springer International Publishing AG, , 2021; ©2022
• ISBN: 3-030-85584-8
• Descrizione fisica: 1 online resource (270 pages)
• Collana: Applied Condition Monitoring Ser. ; ; v.20
• Altri autori (Persone): HeynsPhilippus Stephanus; SchmidtStephan; ChaariFakher; AbbesMohamed Slim; HaddarMohamed
• Soggetti: Electronic books.
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Nota di contenuto: Intro -- Preface -- Contents -- Numerical Assessment of the Structural Performance of a Segmented Wind Turbine Blade -- 1 Introduction -- 2 Blade Finite Element Modeling -- 3 Structural Performance Assessment -- 4 Conclusion -- References -- Identifiability Considerations for Rotating Machine Fault Diagnosis and Prognosis -- 1 Introduction -- 2 Identifiability for Condition Monitoring -- 2.1 The Condition Monitoring Problem -- 2.2 Identifiability Problem -- 3 Fault Diagnosis and Prognosis -- 3.1 Overview of Diagnosis and Prognosis Steps -- 3.2 Damage Detection -- 3.3 Damage Component Identification -- 3.4 Damage Mode Identification -- 3.5 Fault Severity Quantification -- 3.6 Remaining Useful Life (RUL) Estimation -- 4 Proposed Requirements for Fault Diagnosis and Prognosis Methods -- 5 Conclusions -- References -- Comparative Study Between Experimental and Theoretical Frictional Power Losses of a Geared System -- 1 Introduction -- 2 Geared System Model -- 3 Experimental set-up -- 4 Experimental and theoretical results -- 5 Conclusion -- References -- Early Damage Detection ; in Planetary Gear Transmission in Down-Time Regime -- 1 Introduction -- 2 Experimental Test Bench -- 3 Results -- 4 Conclusion -- References -- The Role of Untangled Latent Spaces in Unsupervised Learning Applied to Condition-Based Maintenance -- 1 The Intersection Between Signal Processing and Learning Models -- 2 Process of Lower-Dimensional Representations -- 3 Supervised, Semi-supervised and Unsupervised Learning -- 4 Unsupervised Generative Learning with Chronologically Sorted Data -- 4.1 Auto-associative Learning -- 4.2 Generative Adversarial Learning -- 5 Latent Representations -- 6 Conclusions -- References -- Modal Analysis of the Differential Bevel Gear with Uncertainties -- 1 Introduction -- 2 Dynamic Model of the Differential Mechanism.; 3 Dynamic Equations of the System -- 4 Modal Analysis of the Differential System with Uncertainties -- 4.1 Representation of the Random Variables -- 4.2 Response Surface by Polynomial Chaos Expansion -- 4.3 Stochastic Eigenvalue Problem Formulation -- 4.4 Stochastic Method to Solve Stochastic Eigenvalue Problem -- 5 Numerical Results -- 6 Conclusion -- References -- Effect of Non-linear Suspension on the Recognition of the Road Disturbance -- 1 Introduction -- 2 Two Axle Vehicle Model -- 3 Identification Technique: ICA -- 4 Numerical Results -- 5 Conclusion -- References -- Learning-Based Methods for Vibration-Based Condition Monitoring -- 1 Introduction to Vibration-Based Condition Monitoring -- 2 Introduction to Learning-Based Techniques -- 2.1 Supervised Learning -- 2.2 Unsupervised Learning -- 3 Learning-Based Techniques in Condition Monitoring -- 3.1 Time-Series Data Processing -- 3.2 Approaches in Supervised Learning -- 3.3 The Data Labelling Problem -- 3.4 Metrics and Applications of Latent Variable Models -- 4 Conclusion -- References -- Parametric Study for PCM-Based Heat Sinks: A Numerical Investigation -- 1 Introduction -- 2 Studied Cooling System Model: Governing Equations -- 3 Numerical Results: Physical Description of the Problem -- 4 Parametric Analysis -- 4.1 PCM Selection -- 4.2 Pin Diameter Variation -- 4.3 Power Level Variation -- 5 Adopted Parameters for the Studied Cooling System -- 6 Conclusion -- References -- Modeling and Simulation of a Swarm Robot Application Using MBSE Method and Multi-agent Technology: Monitoring Oil Spills -- 1 Introduction -- 1.1 Swarm Robotics Criteria -- 1.2 Swarm Robotics Advantages -- 1.3 Swarm Robotics Applications -- 2 Design Methods -- 2.1 Model-Based Systems Engineering MBSE -- 2.2 Multi-Agent Simulation MAS -- 2.3 Sustainable Energy Efficiency of Swarm Robots.; 3 Case Study: Oil Spill Monitoring -- 3.1 Requirement Specification -- 3.2 Functional Architecture -- 3.3 Swarm Simulation -- 3.4 Structural architecture -- 4 Conclusion -- References -- Diagnosis and Prognosis of Mechanical Components Using Hybrid Methods -- 1 Introduction -- 2 Diagnosis and Prognosis Using Condition Monitoring Data -- 3 Hybrid Methods for Diagnosis and Prognosis of Mechanical Components -- 3.1 Diagnosis: Estimating Current Damage -- 3.2 Improved Diagnosis: Bayesian Inference Methods -- 3.3 Prognosis: Estimating RUL -- 4 Future Aspects of Hybrid Methods -- 5 Conclusion -- References -- Time Domain Identification of Multi-stage Planetary Gearbox Characteristic Frequencies Using Piezoelectric Strain Sensor -- 1 Introduction -- 2 Experimental Setup -- 3 Time Domain Identification -- 4 Conclusion -- References -- Study of the Stiffness of a Polymer Pinion Tooth in a Polymer-Metallic Spur Gear System -- 1 Introduction -- 2 Generalized Maxwell Model (GMM) -- 3 Application of the GMM to Model the Polymer Gear Viscoelastic Behaviour -- 4 Numerical Results -- 5 Conclusion -- References -- Generalized Prototype ; Bootstrapping for Nonlinear System Identification in an Accelerated Fatigue Testing Context -- 1 Introduction -- 2 Sampling -- 3 System Identification -- 4 Simulations -- 5 Prototype-Based Bootstrapping -- 5.1 Generating the Initial Signal -- 5.2 Finding Prototypes -- 5.3 Generating New Input Signals -- 6 Numerical Experiments -- 6.1 Half-Car Model Excited by a Road -- 6.2 Response Reconstruction When a Model Error is Present -- 6.3 Importance of Regularization in PBM -- 7 Conclusion -- References -- Adaptive On-Line Estimation of Road Profile in Semi-active Suspension -- 1 Introduction -- 2 Scheme of Road Profile Estimation -- 3 Estimator of Vehicle Parameters -- 4 Numerical Simulation -- 5 Conclusion -- References.; A Parametric Study to Investigate the Dynamic Behavior of Worm Gear with Plastic Wheel -- 1 Introduction -- 2 Dynamic Model -- 3 Modelling of viscoelasticity's Parameters in the Frequency Domain -- 4 Numerical Simulation -- 5 Conclusion -- References -- A Review of Singular Spectral Analysis to Extract Components from Gearbox Data -- 1 Introduction -- 2 Singular Spectral Analysis (SSA) -- 2.1 Embedding -- 2.2 Lagged Covariances -- 2.3 Decomposition -- 2.4 Reconstruction -- 2.5 Decomposed Sources -- 3 Experimental Case Study -- 3.1 SSA of the Experimental Signal -- 4 Conclusion -- References -- Experimental and Numerical Analysis of Frequency Responses of Sandwich Structures -- 1 Introduction -- 2 Geometrical and Material Properties -- 3 Numerical Models -- 4 Comparison Between Numerical and Experimental Results -- 4.1 Cantilever Beam Structure -- 4.2 Membrane Structure -- 5 Conclusion -- References -- Hybrid Diagnostics and Prognostics of Planetary Gearboxes -- 1 Vibration-Based Condition Monitoring of Planetary Gearboxes -- 2 Motivation for Hybrid Methods -- 3 Considerations for Using Hybrid Methods for Planetary Gearbox Prognostics -- 3.1 Hybrid Framework -- 3.2 Pre-processing of the Measured Vibration Signal -- 3.3 Physics-Based Modelling -- 3.4 Model Calibration and Health State Estimation -- 3.5 Remaining Useful Life Prediction -- 4 Recommendation for Future Work in Hybrid Prognostics of Planetary Gearboxes -- 5 Conclusion -- References -- Vibration Analysis of Planetary Gear Connected by Flexible Coupling Using Substructuring Methodology -- 1 Introduction -- 2 Receptance Coupling Theory -- 2.1 Frequency Response Functions (FRFs) -- 2.2 Receptance Coupling Method -- 3 Studied System -- 4 Numerical Applications -- 4.1 Coupling Stiffness Effect on the Coupled Subsystem (B) FRF -- 4.2 Coupling Stiffness Effect on the Coupled Subsystem (A) FRF.; 5 Conclusion -- References -- A Comparison Between Independent Component Analysis and Established Signal Processing Methods for Gearbox Fault Diagnosis Under Time-Varying Operating Conditions -- 1 Introduction -- 2 Independent Component Analysis (ICA) -- 3 Established Signal Processing Methods -- 3.1 Synchronous Statistics (SS) -- 3.2 Squared Envelope Spectrum (SES) -- 3.3 Order-Frequency Spectral Coherence (OFSCoh) -- 3.4 Integrated Squared OFSCoh -- 4 Experimental Case Study -- 4.1 Measurement 1 -- 4.2 Measurement 2 -- 4.3 Quantitative Comparison -- 5 Conclusion -- References -- Simulation of the Acoustic Fields and Directivities Radiated from a Set of Elementary Sources -- 1 Introduction -- 2 Acoustic Radiation from Elementary Sources -- 2.1 Case of Two Point Sources -- 2.2 Case of Four Punctual Sources -- 3 Results and Discussions -- 3.1 Combination of Two Point Sources -- 3.2 Combination of Four Point Sources -- 3.3 Influence of the Distance Between the Sources -- 4 Conclusion -- References -- Time Synchronous Averaging Based Detection of Bearing Defects -- 1 Introduction -- 2 Methodology -- 2.1 Update of TSA -- 2.2 Approach for the Early Detection of Bearing ; Defects -- 3 Result and Discussion -- 3.1 Dynamic Model Simulation -- 3.2 Pre-processing -- 3.3 Features Extraction -- 3.4 Classification -- 4 Conclusion -- References -- A Short Review of Gear Fault Modelling in a Hybrid Modelling Context -- 1 Introduction -- 2 The Potential Energy Method -- 3 Development of Gear Fault Modelling -- 3.1 Crack Fault Modelling -- 3.2 Broken Tooth Modelling -- 3.3 Chip Modelling -- 3.4 Spalling Fault Modelling -- 3.5 Surface Pit Modelling -- 4 Prospects for Gear Fault Modelling Going Forward -- References -- Author Index.