30th International Conference on Organization and Technology of Maintenance (OTO 2021)

Name: 30th International Conference on Organization and Technology of Maintenance (OTO 2021) | Proceedings of 30th International Conference on Organization and Technology of Maintenance (OTO 2021)
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Proceedings of 30th International Conference on Organization and Technology of Maintenance (OTO 2021)

Hrvoje Glavas Marijana Hadzima-Nyarko Mirko Karakasic Naida Ademovic Samir Avdakovic(Editor)

Springer (Publisher)

Published on 7. December 2021

XII, 484 pages

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978-3-030-92851-3 (ISBN)

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This book promotes an interdisciplinary approach to maintenance, through the presentation of practical and theoretical research in the field of electrical, civil, and mechanical engineering. The goal is to raise the level of maintenance knowledge, taking into account the continuous advancement of engineering and technology in all spheres of economy, infrastructure, and public services. This book contains papers presented at the 30th International Conference on Organization and Technology of Maintenance (OTO 2021), and the conference was held on Josip Juraj Strossmayer University of Osijek, Faculty of Electrical Engineering, Computer Science and Information Technology Osijek on 10-11 December 2021. The book brings 36 original papers written by authors from ten countries that underwent a blind review process by the international review board members. The conference covers the topics as organization and management of maintenance, maintenance technologies, quality management in system maintenance, information systems in maintenance, product lifecycle management, design for maintainability, material and structure properties, reliability of technical systems and environmental safety, diagnosis and prognosis of failures and operational malfunctions, design optimization for maintenance, maintenance in technical systems, analysis of efficiency and cost effectiveness of maintenance, influence of maintenance on the environment and employee safety, maintenance legislation, and education for maintenance. The papers presented in the book reflect the current state of approach to maintenance as an interdisciplinary field. The OTO conference proved itself as an ideal opportunity for communication between scientists and experts in maintenance practice with the aim to raise the level of expertise and introduce new methods and maintenance procedures into everyday practice.

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Content

Intro
Preface
Contents
Three Decades of OTO Conference Contributions to Organization Practices and Maintenance Technologies
1 Introductory Remarks
1.1 Techno-Economic Characteristics of the Region's Economy
1.2 Establishment of the Association of Industrial Equipment Maintainers of Slavonia and Baranja
2 Conference on Organization and Maintenance Technology
2.1 Number of Papers and Structure of Authors
3 Thematic Framework of Published Papers
3.1 Period 1990-2010
3.2 Period 2011-2021
4 Organization of OTO Conference
5 Conclusion
References
Design and Optimization of Lattice Supporting Structure by Direct Optimization Method
1 Introduction
2 Design and Modeling of Floating Bed Structure
3 Initial Numerical Calculation of the Supporting Structure
4 Supporting Structure Optimization
5 Conclusion
References
Design Optimization of Induction Motor for Efficiency and Reliability Improvement
1 Introduction
2 Methodology and Results
2.1 Analytical Models
2.2 Numerical Models
2.3 Dynamic Model
3 Conclusion
References
Development, Structure and Design of Stamping Tool
1 Introduction
1.1 Progressive Tool
2 Development of a Progressive Tool
2.1 Layout Strip
2.2 The Structure of the Progressive Tool
2.3 Positioning the Progressive Tool in the Press
3 Maintain the Progressive Tool
3.1 Preventive Maintenance
3.2 Corrective Maintenance
3.3 Maintenance According to Condition
3.4 Maintenance of the Progressive Tool
4 Calculating
4.1 Punching Force
4.2 Center of Gravity of the Cut
4.3 Strip Usability
5 Conclusion
References
Mass Reduction Methods for Energy Efficiency Improvement of Vehicles
1 Introduction
2 Methods for Lightweighting
2.1 Usage of Different Materials
2.2 Technology Used in Lightweighting
2.3 Design and Optimization in Lightweighting
3 Conclusion
References
Development of Compact 12 V Automotive Maintenance Vacuum Pump
1 Introduction
2 Electrical Vacuum Pump
3 Pump Chassis
4 Pump Operating Characteristics
5 Bill of Materials
6 Conclusion
References
Techno-Economic Analysis of the Justification of the Machine Part Reparation Procedure on the Excavator
1 Introduction
2 Dragline Excavator ES 5/45
3 Reparation of the Jaws on the Jaw Clutch Coupling of the Electric Motor on the Excavator
3.1 Jaw Clutch Coupling
3.2 Coupling Failure Diagnostics
3.3 Algorithm and Description of Activities During Jaw Clutch Coupling Reparation [14]
3.4 Applied Measures on Safety and Health at Work and Fire Protection
4 Techno-Economic Analysis of the Justification of Reparation Procedure
5 Conclusion
References
Optimal Maintenance of the Electric Vehicle Battery Storage Level in Prosumer Power Network
1 Introduction
2 The Mathematical Model for Optimal Maintenance of the Electric Vehicle Battery Storage Level in Market Conditions
2.1 Mathematical Formulation of the Optimization Problem
2.2 Optimization Technique Applied in the Proposed Model
3 Case Study
3.1 Model Description
3.2 Simulation Scenarios
4 Results
4.1 Scenario 1: Charging and Discharging with SOC ~100% Requirement in t = 24 h
4.2 Scenario 2: Charging and Discharging Without Set Vehicle Usage Requirements
4.3 Scenario 3: Using the Vehicle During the Day with Ability of Battery Charging Only
4.4 Scenario 4: Using the Vehicle Overnight with Ability of Battery Charging Only
5 Conclusion and Future Work
References
Application of ISO 80000-2:2009 in the Description of Technical Systems
1 Introduction
2 Standardization and Standards
2.1 Standardization
2.2 Standardization Organizations
2.3 Standards
3 Application of ISO 80000-2:2009 in Scientific Journals and Master's Theses
3.1 Scientific Journals
3.2 Master's Theses
4 Conclusion
References
Testing the Procedure for Optimization of Cascaded Hydropower Plants and Wind Power Plants Using the IEEE 14 Bus System
1 Introduction
2 Used Optimization Procedure
3 Modifications of IEEE 14 Bus Test System
4 Results of the Optimization Procedure
4.1 First Optimization Stage
4.2 Second Optimization Stage
5 Conclusion
References
Procedures for Testing and Maintenance of Electric Motors for the Purpose of Determining the Correctness and Reliability at Operating Conditions
1 Introduction
2 Measurement of Ohmic Resistance of Stator and Rotor Windings
3 Measurement of Insulation Resistance of Stator and Rotor Windings
3.1 Rotor Winding Failures
4 Temperature Measurement
4.1 Bearing Temperature Measurement
4.2 Thermal Imaging Diagnostics
5 Noise and Vibration Measurement
6 Current Measurement
7 Shaft Voltage Measurement
8 Data Processing
9 Testing of an Induction Motor for Various Faults of the Rotor Winding by Spectral Analysis of the Stator Current
10 Conclusion
References
Electro-Thermal Induction Motor Model
1 Introduction
2 Thermal and Electrical Modeling of Induction Motor
2.1 Induction Motor Thermal Model
2.2 Induction Motor Electrical Model
2.3 Induction Motor Losses
2.4 The Dependence of Electrical Resistance on Motor Temperature
3 Electro-Thermal Model of Induction Motor
4 Experimental Results
5 Conclusion
References
Fault Diagnostic and Protection of Power Transformers Grounded with a Common Grounding Resistor
1 Introduction
2 Simulation Model
3 Common Grounding Resistor Protection Performance
4 Inrush Current Influence on Transformer Protection Performance
5 Unwanted Circulating Currents Between TR1 and TR2
6 Conclusion
References
Simulation of the Grid Connected Battery Storage with Ability of Active and Reactive Power Control
1 Introduction
2 Battery Storage Model
2.1 Electric Part of the Battery Storage Model
2.2 Signal Part of the Battery Storage Model
2.3 SCADA Interface
3 Battery Storage Simulation Results
3.1 Case 1: Load Active Power Is Increased, Reactive Power Is Remained Same
3.2 Case 2: Load Active Power Is Decreased, Reactive Power Is Remained Same
3.3 Case 3: Load Reactive Power Is Increased, Active Power Is Remained Same
3.4 Case 4: Load Reactive Power Is Decreased, Active Power Is Remained Same
4 Conclusion
References
A Novel Method for Cyber-Maintenance Prioritisation of Ageing Distributed Power Sources
1 Introduction
2 Renewable Energy Sources in Croatia
3 Cyber-Attacks on Power Grid
3.1 First Ukraine Attack
3.2 Second Ukraine Attack
4 Methodology
5 Results
6 Discussion
7 Conclusion
References
Product Life Cycle Analysis on the Example of a Home Appliance
1 Introduction
2 LCA Method or Complete Balancing
2.1 Eco-indicators
3 LCA Analysis on the Example of Two Different Electric Kettles
3.1 Analysis of the MyDomo 631 Kettle Using the Simapro Software Tool
3.2 Analysis of Simpex Kettle Using Simapro Software Tool
4 Conclusion
1. References
The Maintenance of Agricultural Drainage Systems in the Conditions of Climate Change - The Jelas Polje Case Study
1 Introduction
2 Description of the Area and the Field Drainage System
3 Maintenance of the Field Drainage System
4 Hydrological and Hydraulic Analysis of Runoff Circumstances
5 The Coincidence of Spring Hydrological Extremes in Slavonski Brod
6 Conclusion
References
Graphic Analysis of the Environmental Influence on the Traditional Construction of a House in Órgiva, Granada, Spain
1 Introduction
2 Study Area
3 Materials and Methods
4 Results and Analysis
4.1 Temperature
4.2 Heat Flux
4.3 Relative Humidity
4.4 Vapour Flow
4.5 Partial Pressure
4.6 Earthquake-Resistant Possible Implications
5 Conclusions
References
Post-occupancy Evaluation of Higher Educational Buildings: Purpose, Obstacles and Benefits
1 Introduction
2 POE Methods for Evaluating Architectural Elements
3 Benefits and Beneficiaries of POE for Higher Educational Buildings
4 Obstacles or Why There is not Much POE in Practice?
5 Discussion and Findings
6 Conclusion
References
The Effect of Insufficient Cover Thickness on Structural Performance of Reinforced Concrete Buildings
1 Introduction
2 Methodology
3 Results
4 Conclusions
References
Modelling the Durability of Cementitious Composites Elements by Means of Soft Computing Techniques
1 Introduction
2 Soft Computing Techniques
2.1 Artificial Neural Networks
2.2 Support Vector Machine
2.3 Ensemble Models
3 Prediction of the Properties of Cementitious Composites
3.1 Compressive Strength
3.2 Flexural Strength
3.3 Bonding Strength
3.4 Chemical Resistance
3.5 Abrasion Resistance
3.6 Hygrothermal Resistance
4 Conclusions
References
Maintenance of Building Elements to Fulfill the Basic Requirements Buildings
1 Introduction - Prescribed Requirements for Construction and Maintenance
2 Impacts on the Condition and Durability of Buildings
2.1 Factors that Negatively Affect the Physical Condition of Buildings
2.2 Decay and Obsolescence of Buildings and Their Durability
3 Building Maintenance Activities
3.1 Maintenance System
3.2 Inspection and Monitoring of the Condition of Buildings
3.3 Repairs and Replacement of Elements and Improvement of the Condition of Buildings
4 Analysis to Minimize the Total Cost
5 Conclusion
References
Maintenance Condition and Seismic Vulnerability of Buildings in Rural Areas - A Case Study of Two Rural Settlements in Osijek-Baranja County
1 Seismo-Geological Features of the Research Area
2 Building Stock Vulnerability in Rural Parts of Sisak-Moslavina County
3 Characteristics of Buildings Stock in Rural Areas of Osijek-Baranja County
3.1 Data Collection and Processing Methodology
3.2 State of Preservation of Buildings in Selected Villages
4 Results
4.1 Statistical Analysis of Main Characteristics of Buildings in Selected Villages
4.2 Seismic Vulnerability of Buildings in Rural Areas
5 Conclusion
References
Material Consumption Estimation in the Construction of Concrete Road Bridges Using Machine Learning
1 Introduction
2 Methods
2.1 Multilayered Perceptron Artificial Neural Network (MLP-ANN)
2.2 Regression Tree Ensembles
2.3 Support Vector Regression (SVR)
2.4 Gaussian Process Regression (GPR)
3 Dataset
4 Evaluation and Performance Measures
5 Results and Discussion
6 Conclusions
References
Importance of Bedrock Depth Knowledge in Basins: Çanakkale (Dardanalles) Case History
1 Introduction
2 Seismicity of the Region
3 Soil Conditions of the Region
4 Rayleigh Ellipticity Curve Inversion
5 Microgravity
6 Results
References
Conceptual Design of Smart Furniture: A Case Study
1 Introduction
2 Smart Furniture
3 Current Trends and Characteristics of Longevity
4 Conclusions
References
Assessment of Wireless Signal Propagation in an Obstacle Rich Environment and Maintenance Communication Capability
1 Introduction
2 Signal Propagation Mechanisms
3 Assessment of Wireless Signal Propagation
3.1 LoRaWAN Specification
4 Measurement and Results
5 Conclusion
References
Generating Artificial Biscuit Tile Images
1 Introduction
2 Artificial Biscuit Tile Images
2.1 Biscuit Tile Image Segmentation
2.2 Biscuit Tile Surface Defect
2.3 Gaussian Model of a Biscuit Tile Surface Defect
3 Implementation and Evaluation
3.1 Manual Artificial Biscuit Tile Defects Insertion
3.2 Automatic Artificial Biscuit Tile Defects Insertion
4 Evaluation and Discussion of Proposed Method
4.1 Evaluation
4.2 Discussion
5 Conclusion
References
The Importance of Employee Education and Information and Communication Tools for Maintenance and Measuring the Performance of Micro-enterprises
1 Introduction
2 Business Performance - The Importance of Employee Education and the Application of Information and Communication Tools in Measuring Performance
2.1 Measuring the Performance of Micro-enterprises
2.2 The Importance of Employee Education and the Use of Information Technology in Companies in the Republic of Croatia
3 Research Methodology
4 Results and Discussion
5 Conclusions and Recommendations
References
Real Fluid Simulation for Determination of Engine Oil Viscosity
1 Introduction
2 The Model
2.1 Assuming Slip Boundary Conditions
2.2 Assuming Stick Boundary Conditions
3 The Simulation of the Real Fluid
4 The Laboratory Setup
5 Comparison of Results Obtained by the Model, the Simulation and Experimentally
6 Conclusions
References
Winery Monitoring System: A Semi-automated Solutions for Product Quality Maintenance and Production Assistance
1 Introduction
2 Related Work
3 A Proposal of a System for Monitoring Qualitative Parameters in the Wine Production Process
4 Conclusion
References
Maintenance of Malted Grain Quality - A Five-Year-Long Study
1 Introduction
2 Materials and Methods
2.1 Sampling and Analysis
3 Results and Discussion
4 Conclusions
References
Maintaining the Quality Control of Beer
1 Introduction
1.1 The Importance of Beer Quality Maintenance
2 Quality Indicators
2.1 Usual Quality Control Check-Points
2.2 Monitoring of Common Quality Properties
3 Conclusions
References
Maintaining the Quality of Homemade Kulen (Dry Croatian Sausage) During a Three-Year Period
1 Introduction
2 Material and Methods
2.1 Material
2.2 Physico-Chemical Analysis
3 Results and Discussion
4 Conclusions
References
Mobile Application for Mentoring Graduation Theses
1 Introduction
2 Review of the Field
2.1 Android
2.2 Used Technologies
3 MAK System for Mentoring Graduation Theses
3.1 Roles Inside the Mobile Application
4 Solution
4.1 Kotlin Programming Language
4.2 Application Lifecycle Management
4.3 Solution Procedure
5 Conclusion
References
Maintaining the Descriptive Geometry's Design Knowledge
1 Introduction
2 Position and Metric Relations of a Point, Line, and Line Segment
2.1 Projection of a Line Segment
2.2 Utilization of the CAD Software to DG Problem - Line Segment
2.3 Utilization of CAD Software - The DG of the Object in Spatial Perception
3 Discussion
4 Conclusion
References
Author Index

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30th International Conference on Organization and Technology of Maintenance (OTO 2021)

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System requirements