دانلود کتاب The 15th International Conference Interdisciplinarity in Engineering: Conference Proceedings (Lecture Notes in Networks and Systems, 386)

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Foreword
Contents
Advanced Manufacturing Technologies and Materials
Zn-Al Anticorrosive Coating Adapted to Obtain Protected Steel Wires
1 The Technical Process
2 The Chemical Composition of the Protective Layer Deduction Pressing
2.1 Analysis of the Zn-Al Equilibrium Diagram
2.2 Pressing Process
2.3 Resulting Diffractograms
3 Aluminum Distribution in the Zn-Al Alloy Layer, Deposited on the Surface of a Steel Wire
4 Anticorrosive Resistance
5 Conclusions
References
Bacillus sp.R2: Promising Marine Bacterium with Chitinolytic/Agarovorant Activity and Multiple Enzymes Productivity
1 Introduction
2 Material and Methods
2.1 Sampling and Chitinolytic and/or Agarolytic Bacteria Isolation
2.2 Chitinolytic and Agarolytic Bacteria Detection
2.3 Potent Strain Conventional Identification
2.4 Potent Strain Molecular Identification
2.5 Potent Strain Multiple Enzymes Production And Assays
2.6 Analytical Methods
3 Results and Discussion
3.1 Potent Strain Conventional Identification
3.2 Potent Strain Molecular Identification
3.3 Potent Strain Multiple Enzymes Productivity
4 Conclusion
References
Calculation Program for an Elastic Coupling with Bolts and Non-metallic Elements from Natural Rubber
1 Establishing of Entry Data of Program
2 Coupling Check Calculation
3 Conclusion
References
Legal Requirements Versus Customer Requirements in Machine Cab Design
1 Legislative Framework
2 Customer Requirements
3 Cab Design
3.1 Making Design by Manufacturers
3.2 Field of Vision
3.3 Performing Virtual Tests
3.4 Requirements Applicable to Rops Protection Structures (Roll-Over-Protective-Structure - Against Rolling Over)
3.5 Requirements for FOPS Protection Structures (Falling-Objects-Structure - Resistance in Case of Heavy Objects Falling from Above)
4 Conclusions
References
Value Stream Map Importance in the Field of Electrostatic Powder Painting
1 Introduction
2 Theoretical Foundations
3 The VSM Build Up Process
4 Conclusion
References
Low-Velocity Transverse Impact Investigations of CFRP Composite Laminated Plates - Simplified Static Simulations Versus Dynamic Experimental Tests
1 Introduction
2 Materials and Methods
2.1 Experimental Set-up
2.2 FE Simulation
3 Results and discussion
4 Conclusions
References
An Assessment of the Metallic Iron Content from Steel Mill Scale – Essential Factor for Sustainability and Circular Economy
1 Introduction
2 Materials and Methods
3 Results and Discussions
4 Conclusions
References
Research on Quick-Closing Systems for Classroom Doors
1 Introduction
2 CAD Designing of the Lockset Accessory
2.1 Description
2.2 Positions of the Device
3 The Execution of a Chosen Part
3.1 Details About the Chosen Part and It’s Material
3.2 Designing of a Simultaneous Punching and Cutting Die
3.3 Design of a U-Shaped Bending Mold
4 Conclusion
References
Innovative Technologies, Design and Materials in Civil Engineering
Comparative Analysis Between Two Constructive Solutions of a Steel Tied-Arch Road Bridge
1 Introduction
2 Technical Solutions Analyzed for the Superstructure
2.1 Two-Carriage Lanes Bridge
2.2 Four-Carriage Lanes Bridge
3 Design Aspects. Critical Buckling Force in the Arch
3.1 Critical Force for the In-Plane Arch Buckling for Both Type of Bridges
3.2 Critical Force for the Out of Plane Buckling of the Arch
4 Conclusions
References
Behavior Analysis of One–Component Waterproofing Mortars by Mechanical and NMR Investigations
1 Introduction
2 Materials and Methods
2.1 Materials
2.2 Methods
3 Results and Discussions
4 Conclusions
References
Characterization of Lightweight Concrete with Chopped Plastic Bottles
1 Introduction
2 Experimental Program
2.1 Materials
2.2 Samples for Experiment
3 Testing Results and Discussions
3.1 The Density of Experimental Concretes
3.2 Compressive Strength of Concrete with PET Wastes
3.3 Flexural Strength of Concrete with PET Wastes
3.4 Split Tensile Strength of Concrete with PET Wastes
4 Conclusions
References
Comparative Analysis Between the Hanger Arrangement in an 80 m Network Arch Bridge with Circular Hollow Cross-Sections
1 Introduction
2 Structural Consideration
2.1 Constant Angle Increase (Incr)
2.2 Radial Arrangement (RA)
2.3 Network Arch Design
3 Stress Distribution
4 Conclusions
References
Paper Ash Used as Substitute of Cement, in Cement Mixtures
1 Introduction
2 Materials and Experimental Study
2.1 Characteristics of the Materials Used
2.2 Tests Performed on Fresh Mortar
2.3 Tests Performed on Hardened Mortar
3 Discussions and Results
4 Conclusions
References
Recovery of Used Paints in the Field of Plaster Mortars
1 Introduction
1.1 Generalities
2 Experimental Program
2.1 Component Materials and Their Characteristics
3 Results
3.1 Research Methodology
3.2 Bending Strength
3.3 Compressive Strength
4 Interpretation of Results
4.1 Contributions
References
Influence of Iron Trioxide Addition on Alkali-Activated Fly Ash-Based Geopolymer Paste
1 Introduction
2 Materials and Methods
2.1 Raw Materials
2.2 Mix-Design, Molding and Curing Treatment
2.3 Testing Methods
3 Results and Discussions
3.1 Apparent Density
3.2 Mechanical Properties of the Alkali-Activated Geopolymer Samples
4 Conclusions
References
Cementitious Composite Materials with Self-healing Properties Using Integral Waterproofing Admixtures by Mass Crystallization
1 Context
2 Materials and Methods
3 Results and Discussions
4 Conclusions
References
Influence TiO2Nanoparticles Addition on the Physico-Mechanical Performances of Micro-concrete
1 Introduction
2 Materials and Methods
2.1 Raw Materials
2.2 Preparation and Conditioning
2.3 Testing Methods
3 Results and Discussions
3.1 Apparent Density in Fresh and Hardened State
3.2 Water absorption
3.3 Porosity
3.4 Bending strength
3.5 Compressive Strength
3.6 Flexural Strength and Influence of the Environment Conditions
3.7 Adhesion of the Mortar to the Cementitious Composite Support
3.8 White Degree
4 Conclusions
References
The Use of Ceramic Waste in the Construction Materials Industry Based on the Concept of Sustainable Development
1 Introduction
2 Materials and Methods
2.1 Materials
2.2 Composition of Ceramic Waste Mortars
2.3 Methods
3 Results and Discussion
3.1 Apparent Density
3.2 Consistency of Fresh Ecological Mortars
3.3 Bending Tensile Strength
3.4 Compressive Strength
4 Conclusion
References
Self-compacting Concrete with Recycled Aggregates
1 Introduction
2 Experiment Description
2.1 Materials and Method
2.2 Samples
3 Testing Result and Discussions
3.1 Fresh Properties of SCC
3.2 Mechanical Properties of SCC
4 Conclusions
References
Aspects Regarding Reinforced Concrete Pillars Strengthening Methods
1 Introduction
2 Recommended Intervention Measures for Reinforced Concrete Pillars
2.1 Reinforced Concrete Pillars Have a Wide Range of Use and are Present in Almost All Types of Current and Special Reinforced Concrete Structures
2.2 Using the Rebuild Own Software [8]
3 Case Study
3.1 Generalities About the Building [8]
3.2 Recommended Intervention Measures, Strengthening Measures for Reinforced Concrete Pillars [8]
3.3 Similitudes/Comparisons Between the Two Methods of Strengthening Reinforced Concrete Pillars
4 Conclusions
References
Management and Education for Sustainable Manufacturing
Comparative Quantitative Analysis of Air Quality Indicators and Macroeconomic Indicators for EU and Non-EU Member Countries
1 Introduction
2 Methodology/Description of the Individual Database
3 Conclusion
References
Work Regulation and Time Management to Avoid Occupational Stress in Industry
1 Introduction
1.1 Work Regulation
1.2 Time and Time Management
1.3 Stress
2 Method
3 Result
3.1 Data Analysis and Interpretation
4 Conclusions
References
The Effects of New Infrastructure on Traffic Dynamics. An Urban Simulated-Based Model
1 Introduction
2 Methodology
3 Study Area
4 Microsimulation Scenarios and Results
5 Conclusion
References
Road Traffic Accidents - Safety Analysis of Urban Travel with Two-Wheel Vehicles
1 Introduction
2 Literature Review
3 Safety Analysis of Urban Travel with Two-Wheel Vehicles
4 Safety Analysis of Urban Travel with Two-Wheel Vehicles in Bucharest
5 Conclusions
References
Performance Evaluation of Dispatching Rules and Simulated Annealing in a Scheduling Problem from a Quality-Functionality Perspective
1 Introduction
2 Review of Literature
3 Methodology of the Study
4 Analysis of Results
5 Conclusions and Future Investigation
References
A Lean Framework for Machining Budgeting Operations
1 Introduction
2 Literature Review
3 Methodology
4 Results and Discussion
5 Conclusion
References
Sustainability Strategy Methodology to Increase Brand Value
1 Sustainability in the Business Environment
2 Methodology to Build a Company Sustainability Strategy and Report
2.1 Step 1. Sustainability Strategy - Gap Analysis
2.2 Step 2. Sustainability Strategy - Materiality Analysis
2.3 Step 3. Sustainability Strategy - Final Framework
2.4 Step 4. Sustainability Report - on ESG targets and goals
3 Impact of Implementing the Described Methodology at Emirates NBD Bank, UAE
4 Conclusions
References
Effects of Using Combined Approach of Quality Circles and 7 Steps Method in Automotive Industry. A Case Study
1 Introduction
1.1 Quality Circles
1.2 Seven Steps Tool
2 Applying Quality Circles and 7 Steps Tool in Automotive Industry
2.1 Preparations for the Quality Circle
2.2 Step 1. Problem Clarification
2.3 Step 2. Problem Breakdown
2.4 Step 3. Target Setting
2.5 Step 4. Root Cause Analysis
2.6 Step 5. Countermeasure Development
2.7 Step 6. Results Evaluation
2.8 Step 7. Standardizing the Successful Process
3 Conclusions
References
The Challenges Brought by GDPR to the Use of Intelligent Systems
1 Introduction
2 AI and Personal Data
3 Legal Values and Legal Norms in the AI Field
4 AI and Data Protection Principles
5 Legal Basis for Processing Personal Data in Case of AI
6 Conclusion
References
European Union Strategies and Policies in the Current Context of Technologization
1 Considerations on the Impact and Consequences of Technological Progress
2 About European Strategies in the Technology Era with Impact on the Environment
3 Conclusion
References
The Continuous Improvement Cycle Core Activities for the Sustainable Development of Healthcare Facilities
1 Introduction
2 Material and Method
3 Results
3.1 Sustainable Development Strategy of the Healthcare Facility
3.2 Core Activities for the Sustainable Development of the Healthcare Facilities
4 Conclusion
References
Organizational Governance Assessment of Healthcare Facilities for Sustainable Development
1 Introduction
2 Material and Method
2.1 Organizational Governance Practices
2.2 Evaluation Indicators
3 Results
4 Conclusion
References
An Innovative Project for Higher Education Leadership in Advancing Inclusive Innovation for Development
1 Introduction
2 Matherial and Method
2.1 Aims and Objectives
2.2 Activities and Methodology
2.3 The Consortium
3 Results
3.1 Euroean Added Value
3.2 Innovative Character
3.3 Impact
4 Conclusions
References
An Innovative Trainers’ Toolkit for Innovation Management in Low- and Middle-Income Countries
1 Introduction
2 Material and Method
2.1 Methodological Guidelines
2.2 Instruction and In-Class Participation
2.3 Assessment and Grading
3 Results
4 Conclusion
References
Neuromarketing Tools in Industry 4.0 Context: A Study on the Romanian Market
1 Introduction
2 Neuromarketing Tools
3 Methodology
3.1 Research Results and Interpretation
4 Conclusions, Limitation and Further Study
5 Perspectives
References
Particular Life Span of a Medical Rehabilitation Exoskeleton Device – The First Step in Implementing a Quality Management Norm in Real Life
1 Introduction
2 Material and Methods
3 Results
4 Discussions
5 Conclusions
References
Study on the Short-Term Impact of the COVID-19 Pandemic on the Logistics Field
1 Introduction
1.1 Some Important Aspects of Global Pandemic Effects on Economy and Logistics Industry
2 Case Study - the Impact of COVID-19 on the Activity of Two Companies in the Logistics Sector from Transylvania Region, Romania
2.1 Methodology
2.2 Main Findings
3 Conclusion
References
An Interdisciplinary Approach to Ecological Education in the Language Class for Technical Students
1 Introduction: Ecological Education and Language Learning
2 General Aspects Regarding the Generation of Packaging Waste
3 Types of Packaging Waste
4 Packaging and Packaging Waste Collected by Sanitation Operators and Other Authorized Economic Operators in Mures County, Romania
5 Language Learning Opportunities
6 Conclusions
References
Smart Production Concept and Improvements in Automotive Industry
1 Introduction
2 Smart Production in Hirschmann Automotive
2.1 SAP Manufacturing Execution
2.2 Assembly Process in a Smart Factory
3 Improving the Assembly Process
3.1 The Current Concept
3.2 Improving Actions
3.3 Effects of Introducing Smart Production
4 Conclusions
References
Integrating Environmental Issues in the Development of Communication Skills and the Importance of Environmental Sustainability Training
1 Introduction
2 Environmental Education and ESP
3 Anthropic Activities and Their Dangerous Impact on the Environment
4 Materials and Methods
5 Results and Discussion
5.1 Data About Respondents
5.2 The Environment and the Respondents
6 Conclusions
References
On the Use of Technology in Education. A Case Study on the Application of Interdisciplinarity in Technical Education: The ECORE Tool
1 Introduction: Theoretical Background on the Use of Technology in Education
2 Good Practices in the Implementation of Digital Learning Environments
3 Practical Case Study: The Serious Games as Digital Learning Tool
4 Results
5 Discussion
6 Conclusion
References
Power Systems, Energy Efficiency and Renewable Technologies
Investigations on the Hygrothermal Properties of Aerogel Insulation Blankets
1 Introduction
2 Material
3 Methods
4 Results and Discussion
5 Conclusion
References
Improving the Thermal Insulation of Cement-Based Composites Using Tea Waste Aggregates
1 Introduction
2 Materials and Methods
2.1 Sample Preparation
2.2 Experimental Method
3 Results and Discussion
3.1 Thermal Properties
4 Dynamic Thermal Simulation
4.1 Simulation Process and Parameters
4.2 Energy Consumption Analysis
5 Conclusion
References
Thermal Effects on Dynamic Control of FGM Kirchhoff Plate with Bonded Piezoelectric Materials
1 Introduction
2 Mathematical Modeling
3 Temperature Dependent Properties (TD)
4 Constitutive Relations
5 Thermal Investigation
5.1 Temperature Distribution Uniformly (UTD)
5.2 Temperature Distribution Linearly (LTD)
5.3 Temperature Distribution Nonlinearly (NTD)
6 Finite Element Analysis
7 Governing Equations of Motion
8 Discussion
9 Conclusion
References
Simulation of a Solar Driven Air Conditioning System for Mitigating the Cooling Demand of Buildings Located in Semi-arid Climates: A Case Study
1 Introduction
2 Brief System Description
2.1 Thermal Loads Calculation
2.2 System Modeling
3 Results and Discussion
4 Conclusion
References
Analysis of the Power Demand in Romania During the COVID-19 Pandemic
1 Introduction
2 Methodology of the Analysis
3 Analysis of Power Demand
4 Conclusions
References
Energy Losses Estimation in the Electric Distribution Networks Using Clustering-Based Selection of the Representative Feeders
1 Introduction
2 Clustering Analysis
3 Methodology for Clustering-Based Selection of the Representative Feeders
4 Case Study
5 Conclusions
References
Analysis of the Charging Price and Travel Time of Battery Electric Vehicles in Romania
1 Introduction
2 Methodology of the Analyses
3 Case Studies
4 Conclusions
References
Load Modeling Approaches in Smart Grids: An Overview
1 Introduction
2 Static Load Modeling-Based Techniques
2.1 Polynomial Load Modeling (PLM)
2.2 Exponential Load Modeling (ELM)
2.3 Frequency-Dependent (FD) Load Modelling
3 Dynamic Load Modeling-Based Techniques
3.1 Generic Nonlinear Dynamic (GND) Load Modelling
3.2 Composite Load Modelling (CLM)
3.3 Artificial Neural Network Load Modeling (ANN)
4 The Fine-Tuned of Load Model Coefficients
4.1 Statistical Techniques (ST)
4.2 Kalman Filter (KF) Technique
4.3 Heuristic and Metaheuristic Techniques (MHT)
5 The Traditional and Modern Load Models for Solving Key Problems in the Smart Grids Control and Operation
5.1 Traditional vs. Modern Load Models
5.2 The Application of Load Models in SGs Operation and Control
5.3 Summary of LM Process in the SGs Literature
6 Conclusions. Challenges and Future Directions
References
Analytical Modelling Approach of Photovoltaic Curves: Analysis and Comparison
1 Introduction
2 Analytical Parameters Approach
3 Current-Voltage Curve Estimation
4 Discussion and Validation
5 Conclusion
References
Pitch Angle Control of the PMSG Wind Turbine
1 Introduction
2 Mathematical Model
2.1 Wind Turbine Modeling
2.2 Permanent Magnet Synchronous Generator
3 Control of Pitch Angle
4 Results and Discussion
5 Conclusion
References
Study and Simulation of a Broken Induction Motor Rotor Bar Caused Motor Vibration
1 Introduction
2 System Vibration
2.1 Vibration Sources
2.2 Vibration Data Acquisition
3 Broken Rotor Bar Effect on the System Vibration
4 Conclusion
References
Designing and Development of an Intelligent Energy Supply and Powertrain Systems for Automotive Sector to Reduce Pollution and Health Risk
1 Introduction
2 Materials and Methods
3 Investigation and Results
4 Discussions and Conclusions
References
Enhancing the Energy Efficiency of Photovoltaic Cells Through Water Cooling
1 Introduction
2 Photovoltaic Panels
2.1 Photovoltaic Cooling Classification
2.2 Operating Temperature of a Photovoltaic Module Without a Cooling System
2.3 Operating Temperature of a Photovoltaic Module with a Cooling System
3 Research Methodology
4 Conclusions
References
Multicriterial Assessment of Power Losses in Electricity Distribution Grid Considering the Profile Consumers Analysis
1 Introduction
1.1 Electricity in the Current Context
1.2 Electricity Sources and Consumers
1.3 Regulations Impact in the Evolution of Electricity Sector
1.4 COVID-19 Pandemic Situation and Electricity Market
2 Electricity Consumptions in Power Distribution Networks
2.1 Electricity Consumption Map
2.2 System Overview on the Electricity Distribution
2.3 Economic Trends Influence on Electricity Usage
3 Research Methodology on Electricity Consumptions in Power Distribution Grids
4 COVID-19 Influence Analysis on Electricity Consumptions
4.1 Distributed Electricity Evolution Analysis
4.2 Discussions and Findings
5 Conclusion
References
Automation, Robotics, Biomedical Technologies and Intelligent Systems
Improvement of the Vector Control for DFIG Integrated into a Wind System by Artificial Neural Networks Accompanied by a Reliability Study of the Control System
1 Introduction
1.1 A Brief State-Of-The-Art
2 Modeling and Indirect Field Oriented Control of DFIG
3 Power Control of DFIG Using Artificial Neural Networks and the Simulation Results
3.1 Power Control of DFIG Using Artificial Neural Networks
3.2 Simulation Results
4 Stochastic-Sensitivity-Reliability Analysis of the Model
4.1 Stochastic Analysis
4.2 Sensitivity Analysis
4.3 Reliability Analysis
5 Conclusions and Future Directions
References
The Perturbation Method for Dynamic Analysis of Pole Vaulting
1 Introduction
2 Dynamic Modeling
2.1 Linear Mass-Spring System
2.2 The Equation of Motion
3 Stochastic Study
3.1 Monte Carlo Method
3.2 Perturbation Method
4 Simulation and Results
5 Conclusion
References
Reducing Traffic Congestion Through Optimal Planning
1 Introduction
2 Transport Planning Model
3 Case Study
4 Conclusions
References
Considerations on Monitoring the Drowsiness of Drivers Through Video Detection and Real-Time Warning
1 Introduction
2 State of the Art
3 Description of Work
3.1 Real-Time Blink Detection Using Facial Cues
3.2 Vehicle Equipment
3.3 Drowsiness Detector Test
4 Conclusions
References
Model for Bus Line Planning in an Intermodal Urban Transport Network
1 Introduction
2 Intermodal Transport Line Planning
2.1 Background
2.2 Problem Definition
2.3 Model Formulation
3 Case Study
4 Conclusion
References
Robust Control Design of MIMO Systems
1 Introduction
2 MIMO Systems with Uncertainty. The Weighting Matrix
3 Robust Control Design Techniques
3.1 H-infinity Technique
3.2 H2 Technique
4 Designing the MIMO Controller for the Two-Coupled Tanks
5 Conclusions
References
Comments on the Solutions Set of Equilibrium Problems Governed by Topological Pseudomonotone Bifunctions
1 Introduction
1.1 Fan-hemicontinuity of the Gradient of the Norm
1.2 The Solution Set for the Variational Inequality
2 Another Example of a Pseudomonotone Operator That It Is Not Fan-hemicontinuous
3 Open Question
References
A New Ultra Wide Band Antenna Design with Dual Band for WLAN and WiMAX Applications
1 Introduction
2 Antenna Configuration
3 Antenna Design and Parametric Study
3.1 UWB Monopole Antenna Configuration
3.2 Single and Dual Band Antenna
4 Conclusions
References
Review on Microbial Bioinformatics: Novel and Promoting Trend for Microbiomics Research and Applications
1 Introduction
2 Microbial Bioinformatics Multi-interdisciplinarity
3 Microbial Bioinformatics and Microbiomics
4 Conclusion
References
Virtual Modeling of an Electro-mechanical Powertrain and Steering System with Optical Proximity Sensors for Driverless Ambulance Vehicles in Unity 5
1 Introduction
2 Materials and Methods
3 Virtual Modeling and Results
4 Conclusions
References
A Fuzzy Logic-Based LabVIEW Implementation Aimed for the Detection of the Eye-Blinking Strength Used as a Control Signal in a Brain-Computer Interface Application
1 Introduction
2 Hardware System – Arduino Based Mobile Robot Controlled by NeuroSky Mindwave Mobile Headset
3 Software System – LabVIEW Application and Arduino IDE
3.1 The LabVIEW Based EEG Signal Processing
3.2 The Automatic Generation of a Series of Charts Displaying the Variations of Statistical Features Applied on the Raw EEG Dataset
3.3 LabVIEW Based Fuzzy Logic System Aimed to Measure the Strength of the Eye-Blinking
3.4 The Integration Between the Raw EEG Data Acquisition and Fuzzy Logic
3.5 The Commands Sent by LabVIEW Application to the Arduino Program Necessary to Change the Movement Directions of the Mobile Robot
4 Results and Discussions
5 Conclusion
References
SCADA System for Monitoring and Reconfiguring an Electrical Distribution Network After a Fault
1 Introduction
2 Aim of Paper
3 Case Study in Different Fault Situations
4 SCADA System
5 Conclusions
References
Dynamic Calibration of Tyre-Road Contact Patch Stress Tri-Axial Transducer
1 Introduction
2 Overview of Tyre Contact Stress Measuring System
3 Dynamic Behaviour of Sensing Elements
4 Conclusions
References
Dimensional Optimization in Screw Fixation for Personalized Treatment of the Tibial Plateau Fracture
1 Introduction
2 Methodology
2.1 Anatomy
2.2 Sizing of Fixing Screws
2.3 Resistance Calculation of Bone Fragments
2.4 The Screw Fixation
3 Results
3.1 Installation, Clinical Examination and Evaluation of Lesions
3.2 Reduction and Fixation
3.3 Aftercare
4 Conclusion
References
A Fuzzy Mathematical Model to Estimate the Energy Cost for Heat Pump System
1 Introduction
2 Materials and Methods
2.1 Input Data
2.2 Output Data
2.3 Validation
3 Results and Discussion
4 Conclusion
References
Cryptographic Key Distribution Protocol with Trusted Platform Module for Securing In-vehicle Communications
1 Introduction
2 Background and Related Work
2.1 Internal Architecture of the Modern Car
2.2 Trusted Platform Module
2.3 Related Work
3 Cryptographic Key Distribution Scheme
3.1 Setup and Bootstrapping
3.2 Secure Key Generation and Storage
3.3 Long-Term Key Distribution Protocol
3.4 Short-Term Key Distribution Protocol
4 Concurrency and Security Analysis
4.1 Concurrency Analysis
4.2 Security Analysis
5 Implementation Details
6 Conclusions
References
Automated Assessment Generation in Intelligent Tutoring Systems
1 Introduction
2 Current Issues, Limitations, and Challenges in ITS
3 Content Model in the Proposed ITS Framework
4 Tools for Automated Assessment Generation
5 Test Results for Automated Assessment Generation
6 Conclusion
References
BlockCACert – A Blockchain-Based Novel Concept for Automatic Deployment of X.509 Digital Certificates
1 Introduction
2 PKI Ecosystem
2.1 Digital Signatures and Digital Certificates
2.2 Public PKI Systems
3 Current Problems of Certificate Authorities
4 Current Shortcomings of Different Validation Types
4.1 Domain Validation (DV)
4.2 Organization Validation (OV)
4.3 Extended Validation (EV)
5 BlockCACert Concept
5.1 Blockchain Technology Basics
5.2 Indexes Used by BlockCACert in the Concept Demonstration
5.3 PKI Component
5.4 Blockchain Structure Component
5.5 Workflow of PKI-Blockchain Transactions
6 Ring Signatures in BlockCACert
7 Conclusions
References
Instantaneous Frequency Identification in Nonstationary Signals
1 Introduction
2 Instantaneous Frequency Estimation Fundamentals
3 Test Signals and the Proposed Procedure
4 Conclusions
References
Nonlinear Denoising of Nonstationary Signals
1 Introduction
2 Time-Frequency Decomposition Techniques
2.1 Empirical Mode Decomposition
2.2 The Discrete Wavelet Transform (DWT)
2.3 Wavelet Packet Transform (WPT)
3 Materials and Methods
3.1 The Filtering Procedure
3.2 Test Signals
4 Experimental Results
5 Conclusions
References
Author Index