Proceedings of the 5th Brazilian Technology Symposium: Emerging Trends, Issues, and Challenges in the Brazilian Technology, Volume 1

Committees
Organizing and Executive Committee
Scientific and Academic Committee
Technical Reviewers Committee
Sponsor
Foreword
Preface
Acknowledgments
Contents
Emerging Trends in Systems Engineering and Telecommunications
HoG Multi-face Detection
1 Introduction
2 Method Summary
2.1 Invariant Representation at Scale
2.2 Computation of Gradients
2.3 Creation of Histograms
2.4 Support Vector Machine
2.5 Suppression of Multiple Detections
3 Methodology and Image Database
3.1 Training Database
3.2 Cascade Detectors
4 Implementation and Performance
4.1 Image Pyramid Scale Reduction
4.2 Cascade Detector
5 Conclusions
References
Glasses with Artificial Vision for Reading Texts
1 Introduction
2 Materials and Methods
2.1 Visual Impairment
2.2 Raspberry Pi Camera
3 Implementation
3.1 System Stages
3.2 Capture
3.3 Processing
3.4 Transformation to Text
3.5 Audio Transformation
4 Results
4.1 Results of the Margin Detection Stage
4.2 Results of the OCR Character Detection System
4.3 Results of the Validation Stage
5 Conclusions
References
Implementation of a Fashion Virtual Assistant with the Use of a Kinect v2 Camera and Image Processing
1 Introduction
2 Related Work
3 Methodology
3.1 Conception
3.2 Implementation
4 Conclusions
References
Suggestion Mining for Generating New Services and New Product Ideas from YELP Reviews
1 Introduction
1.1 Background
1.2 Related Work and Relevant Concepts
2 Methodology
2.1 Data
2.2 Feature Selection and Machine Learning Methods
3 Results
3.1 Exploratory Data Analysis
3.2 Predictive Algorithm Performance
4 Discussion
5 Conclusions
References
Reduction AWGN from Digital Images Using a New Local Optimal Low-Rank Approximation Method
1 Introduction
2 SVD and Low-Rank Approximation
2.1 SVD
2.2 Formulation of Low-Rank Approximation Problem
2.3 Signal Denoising Using SVD
3 The Proposed Method
3.1 Review of the Gaussian filter, High- and Low-Frequency Component and Canny Edge Detection Method
3.2 Using Training Image and Algorithm of the Proposed Method
4 The Results of Proposed Method
5 Conclusion
References
A Comparison of Machine Learning Classifiers for Water-Body Segmentation Task in the PeruSAT-1 Imagery
1 Introduction
2 Related Works
3 PeruSAT-1 Satellite Imagery
4 Methodology
4.1 Preprocessing
4.2 Feature Selection
4.3 Labeling
4.4 Mislabeling Noise
4.5 Machine Learning Classifiers
5 Results
5.1 Evaluating the Robustness of Classifiers
6 Conclusions and Future Works
References
A Stock Market Forecasting Model in Peru Using Artificial Intelligence and Computational Optimization Tools
1 Introduction
2 Proposed Model
2.1 Description of the Proposed Model
2.2 Definition of the Proposed Model
2.3 The Architecture of the Artificial Neural Networks Model
3 Description of Variables
3.1 Macroeconomic Qualitative Variables
3.2 Indicators as Quantitative Variables
4 Numerical Experiments
5 Results
6 Conclusions
References
Extreme Learning Machine for Business Sales Forecasts: A Systematic Review
1 Introduction
2 Methodology
2.1 Information Search Process
2.2 Inclusion and Exclusion Criteria
3 Results and Discussion
4 Conclusions
References
Automatic Balancing System of Single-Phase Consumer Units Connected to the Low-Voltage Distribution Network
1 Introduction
2 State of the Art
2.1 Balancing of Consumer Units—UCs
2.2 Fuzzy Logic
2.3 Mamdani Model
2.4 Mathematical Optimization
2.5 Simplex Method
2.6 Usual Allocation of UCs in Distribution Circuits
3 Materials and Methods
3.1 Data Collection and Work Design
3.2 Fuzzy Block Determination for Decision Making
3.3 Reconfiguration of Simplex-Based Solver Assist UCs
3.4 UC’s Switching Interface
4 Results and Discussion
5 Conclusion
References
Model Predictive Controllers: Development of a Tuning Methodology Using Sensitivity Functions
1 Introduction
2 Sensitivity Functions
3 Tuning Methodology Using Sensitivity Functions
4 Process Simulation
5 Results and Discussion
5.1 Error Minimization (ISt)
5.2 Reduction of Effort
5.3 Rejection of Disturbance
6 Conclusions
References
Development of an Intelligent Parking Aid System
1 Introduction
2 Materials and Methods
2.1 Selection of the Proper Sensor and Cameras
2.2 Definition of the Optimal Location for the Sensor and Cameras
2.3 Simulations on the Software Blensor®
2.4 Development of the Algorithm
3 Results
3.1 Selection of the Proper Sensor and Cameras
3.2 Definition of the Optimal Location for the Sensor and Cameras
3.3 Simulation on the Software Blensor®
4 Conclusion
References
High-Dynamic-Range Imaging Using Nanowires
1 Introduction
1.1 Multispectral Filter Array-Based in Nanowires
1.2 Image Dataset
2 Methodology
2.1 Reducing Image Degradation
2.2 High-Dynamic-Range Imaging
2.3 Multispectral Demosaicing
2.4 Model Acquisition
2.5 Post-processing
3 Results and Discussions
4 Conclusions
References
An Insight into Applications of Internet of Things Security from a Blockchain Perspective
1 Introduction
2 Methodology
3 Background Knowledge
4 Results and Discussion
5 Conclusions
References
IP Network Management from the Perspective of Distributed Artificial Intelligence: State of the Art
1 Introduction
2 Theoretical Framework
3 Intelligent Agent Integration and Network Management Solutions
3.1 An Improved Network Monitoring System that Uses Multi-agent-Based Technology
3.2 Network Management Based on Multi-agent Architecture
3.3 Network Management Using Multi-agent Systems
4 Discussion
5 Conclusions
References
Reference Model to Identify the Maturity Level of Cyber Threat Intelligence on the Dark Web
1 Introduction
2 State of the Art: Maturity Models
2.1 Tools for Identifying Filtered Assets
2.2 Maturity Cybersecurity Models
3 Asset Discovery Information: Model Proposed Reference
3.1 Model Description
3.2 Model Phases
4 Case Study
4.1 Organization
5 Validation
6 Conclusions
References
Critical Event Manager Module for IP Networks Using Software Agents
1 Introduction
2 Theoretical Framework
2.1 Agent Concept
2.2 The Social Organization of the Agents
2.3 Tools, Protocols, and Methodologies
3 Background
4 Methodology and Solution Developed
5 Results and Discussion
6 Conclusions
References
A Multispectral Image Compression Algorithm for Small Satellites Based on Wavelet Subband Coding
1 Introduction
2 Proposed Algorithm
2.1 Block Diagram
2.2 Experimental Data—Input Images
2.3 Differentiation
2.4 Wavelet Subband Decomposition
2.5 Rounding to the Nearest Integer
2.6 2D-1D Conversion
2.7 Entropy Coding
3 Results
3.1 Metrics for Image Quality Measurement
3.2 Compression Ratio Measurement
3.3 Comparison of Results
4 Discussion
5 Conclusion
References
Patch Antenna Array Operating at 5G New Radio (NR) Frequency Band with the Ability of Beam Steering
1 Introduction
2 Patch Antenna Array and Feed Network Design
2.1 Patch Antenna Design
2.2 Feed Network Design
2.3 Antenna Array Design
3 Results
4 Conclusions
References
A Development of a Mobile Application for Monitoring Siemens S7-1200 Controller Variables Through Firebase
1 Introduction
2 Description of the Proposed Algorithm
2.1 Data Acquisition
2.2 Web Publishing
2.3 Sending Data to the Cloud
2.4 Reading Variables
3 Results
4 Conclusion
References
Implementation of a Real-Time Communication Library Between Smart TV Devices and Android Devices Based on WebSocket for the Development of Applications
1 Introduction
2 State of the Art
2.1 Communication Protocols
2.2 Applications with Bidirectional Communication
3 Implementation of the Solution
3.1 Implementation of the Communication Library
3.2 Development of a Retro Video Game
4 Conclusions
5 Discussion and Future Work
References
Synchronization Reduction of the Conjugate Gradient Detector Used in Massive MIMO Uplink
1 Introduction
2 System Model
2.1 MMSE Detection
3 Conjugate Gradient for M-MIMO Signal Detection
3.1 Conventional Conjugate Gradient Algorithm
3.2 Modified Conjugate Gradient Algorithm
4 Simulation Results
5 Conclusion
References
Analysis of AMQP for Industrial Internet of Things Based on Low-Cost Automation
1 Introduction
2 Background Literature
3 Case Study
4 Communication Architecture Proposed
5 Implementation Proposed
5.1 Shop-Floor Data Integration on Festo™ MPS Testing
5.2 Communication Flow in Node-RED
6 Discussion of Research Outcomes
7 Conclusions and Ongoing Work
References
An Interval Insight to Adomian Decomposition Method for Ordinary Differential Systems by Considering Uncertain Coefficients with Chebyshev Polynomials
1 Introduction
2 Interval Arithmetic
3 Chebyshev-Based Adomian Decomposition Method
4 Interval Adomian Decomposition with Uncertainty
5 Illustrative Examples
6 Conclusions
References
Estimation of Spatial-Temporal Gait Parameters Using a Momentary-Contact-Sensors-Based System: A Preliminary Evaluation
1 Introduction
2 Methods
2.1 Development of the Measuring System
2.2 Measuring System Validation
3 Experimental Results and Analysis
4 Conclusion
References
Energy Quality Monitoring, Testing, and Measuring System Through Mobile Networks
1 Introduction
2 Theoretical Framework
2.1 Electric Energy and Its Variables
2.2 Voltage, Current, and Three-Phase Power
2.3 Power Factor
2.4 THD
2.5 The Software
2.6 PhpMyAdmin
2.7 RS485 Communication Protocol
3 Methodology
4 Results and Discussion
5 Conclusion
References
Analysis of Electrical Adequacy in Riverside and Road Schools in the Amazon
1 Introduction
2 Materials and Methodology
2.1 Recommendations for Elaboration of Electrical Projects
2.2 Electricity Distribution Boards
2.3 Power Quality
2.4 Photovoltaic Solar Power Generation
3 Case of Study
3.1 Abílio Alencar Municipal School
3.2 Prof. Paulo César da Silva Municipal School
3.3 Nossa Senhora do Carmo Municipal School
3.4 Epitácio Nunes da Fonseca Municipal School
4 Results Obtained
5 Solution Proposal
5.1 Solutions for Problems Related to the Electrical Structure
5.2 Solutions for Power Outages and Power Surges
6 Conclusion
References
An Overview of Magnetic Field Visualization Methods and Applications for Macroscale Objects
1 Introduction
2 Simulation and Theoretical Models
2.1 Methods with Mesh
2.2 Meshfree Methods
3 Experimental Systems with Visual Effects
3.1 Scanning Devices
4 Summary and Conclusion
References
Assessment of Engineering Techniques for Failures Simulation in Induction Motors Using Numerical Tool
1 Introduction
2 Literature Review
3 The finite element method (FEM) for Modeling Electric Machines Faults
3.1 Simulation of the Induction Motor Using FEM Approach
4 Simulation Methodology of Failures in Induction Motor
4.1 Broken Bars
4.2 Short Circuit Between Copper Turns
4.3 Damaged Bearings
5 Analysis of Results
5.1 Broken Bar Fault Simulated Results
5.2 Short-Circuit Fault Simulated Results
5.3 Bearing Fault Simulated Results
6 Conclusions and Future Work
References
LQR Predictive Control of SISO Time-Delay Processes Having Output Disturbances
1 Introduction
2 SISO LQR Predictive Controller Design
3 LQR Predictive Control of SISO Time-Delay Processes
4 Concluding Remarks
References
Information Security Policies Based on the Behavior of IT Users in the Microfinance Sector of Lambayeque-Peru
1 Introduction
1.1 Theory of Planned Behavior (TPB)
1.2 Rational Choice Theory (RCT)
1.3 Deterrence Theory
2 Methodology
2.1 Questionnaire
2.2 Reliability and Normality Analysis
3 Results and Discussion
3.1 Analysis of the Dimensions of the Variable Intentional Behavior
3.2 Analysis of the Dimensions of the Variable Non-intentional Behavior
3.3 Analysis of Intentional Behavior, Non-intentional Behavior and Security Policies
4 Conclusions
References
Productive Metrology as a Guide for Dimensional Quality Improvement—A Case Study
1 Introduction
1.1 Productive Metrology
1.2 Measurement Uncertainty
1.3 Geometrical Product Specification
2 Proposed Methodology
2.1 SPC and PCI
2.2 MSA and Gage R&R Study
2.3 GD&T
3 Case Study Description
4 Results
4.1 Measurement Improvement
4.2 Preliminary R&R Studies
4.3 S.W.I.P.E
4.4 New R&R Study and Reference Values from a CMM
4.5 Interactions with Geometrical Features and Specifications
5 Conclusion
References
Understanding Quantum Computation Concepts and Applications
1 Introduction
2 Methodology
3 Results and Discussion
4 Conclusions
References
Emerging Trends in Industry 4.0, Smart and Sustainable Future of Cities
Development of a Robotic System with Movements Based on Computer Vision Detection
1 Introduction
2 Computer Vision and the OpenCV Library
3 Materials and Methods
3.1 Color Detection and Object Position
3.2 Kinematics and Modeling
4 Algorithm for Image Detection
5 Results and Discussion
6 Conclusion
References
Lean Startup in a Commercial Management Model Based on Digital Marketing to Increase Sales in Companies of the Health Food Industry
1 Introduction
2 State of the Art
3 Contribution
3.1 Proposed Model
3.2 Indicators
4 Validation
4.1 Case Study
4.2 Initial Diagnosis
4.3 Model Application
5 Conclusions
References
Lean Manufacturing Model Adapted for Waste Reduction in Peruvian Condiment Production Agri-Businesses
1 Introduction
2 State of the Art
2.1 Lean Tools
2.2 Pre-assessment Tool
3 Contribution
3.1 Components
3.2 Case Study: The ABC Condiment Production Company
3.3 Current Problem Indicators
4 Validation
4.1 Scenario Presented by the ABC Company
4.2 Results
5 Conclusions
References
Production Model Under Lean Manufacturing and Change Awareness Approaches to Reduce Order Delays at Small and Medium-Sized Enterprises from the Clothing Sector in Peru
1 Introduction
2 State of the Art
2.1 Production Model in SMEs in the Manufacturing Sector
2.2 Lean Manufacturing Tools in SMEs Operating Within the Manufacturing Sector
3 Contribution
3.1 Proposed Model
3.2 Proposed Method
3.3 Indicators
4 Validation
4.1 PHASE 0: Awareness and Training
4.2 PHASE 1: Job Description Reorganization
4.3 PHASE 2: Grouping of Sequential Activities and Production Balancing
4.4 PHASE 3: Work Method Standardization
5 Conclusions
References
A Strategic Lean Procurement Model Based on Supplier Approval to Reduce Unplanned Downtime in a Textile Small and Medium-Sized Enterprises
1 Introduction
2 State of the Art
2.1 Supplier Approval in Procurement Models in the Textile Sector
2.2 Application of the Lean Approach to Procurement Models in the Textile Industry
3 Contribution
3.1 Overview
3.2 Process View
3.3 Indicators View
4 Validation
4.1 Case Study
4.2 Initial Diagnosis
4.3 Application of the Model Proposed
5 Conclusions
References
Digital Transformation Model with a Focus on Total Quality Management and Lean Manufacturing to Increase Online Sales in Textile SMEs
1 Introduction
2 State of the Art
2.1 Digital Transformation in SMEs
2.2 Total Quality Management
3 Contribution
3.1 Proposed Model
3.2 Proposed Method
3.3 Indicators
4 Validation
4.1 Description of the Case Study
4.2 Current Situation
4.3 Initial Indicators Versus Indicators After Implementation
5 Conclusions
References
Poka-Yoke Model for Controlling Unit Entering and Fall Reduction in the Transportation of Toilets
1 Introduction
2 State of the Art
3 Contribution
3.1 Overview
3.2 Specific View
3.3 Process View
3.4 Indicators
4 Validation
4.1 Validation of Poka-Yoke Load Protection
5 Conclusions
References
Lean Six Sigma Fleet Management Model for the Optimization of Ore Transportation in Mechanized Underground Mines in Peru
1 Introduction
2 State of the Art
2.1 Fleet Management in Mining Transportation
2.2 Use of the Six Sigma Methodology in the Transportation Management System
3 Contribution
3.1 Proposed Method
3.2 Proposed Method
3.3 Indicators to Take into Consideration
4 Validation
4.1 The Location Used to Validate the Methodology
5 Conclusions
References
Production Control Model Using Lean Manufacturing Tools and Kanban/CONWIP Systems to Improve Productivity in the Process of Sand Casting in a Heavy Metalworking SME
1 Introduction
2 State of the Art
3 Contribution
3.1 Basic Framework
3.2 Overview
3.3 Detail View
3.4 Process View
3.5 Indicator View
4 Validation
4.1 Scenario
4.2 Initial Diagnostic Values
4.3 Implementation of the Proposed Method
5 Conclusions
References
Lean Manufacturing Application in the Laminating Machine Manufacturing Process in a Metalworking Company
1 Introduction
2 Methods
2.1 Value Stream Mapping
2.2 Suppliers Inputs Process Outputs Customers (SIPOC)
2.3 Thread Diagram
2.4 Genchi Gembutsu
2.5 Ishikawa Diagram
2.6 Pareto Diagram
2.7 5 S
2.8 Visual Board
2.9 Poka-Yoke
3 Study Case
3.1 Current VSM Development
3.2 Future VSM Development
3.3 Visual Board Implementation
3.4 Poka-Yoke Implementation
4 Results and Discussion
5 Conclusions
References
The Perspectives of Integration Between Lean Manufacturing and Industry 4.0
1 Introduction
2 Theoretical Framework
3 Methodology
4 Results and Discussion
4.1 Lean Manufacturing as an Industry 4.0 Facilitator
4.2 Industry 4.0 Potentializes Lean Manufacturing
4.3 Mutual Correlation Between Industry 4.0 and Lean Manufacturing
5 Conclusion
References
Agile Project Implementation Methodology for Introducing New Technologies in Industry 4.0
1 Introduction
2 Background
2.1 The Importance of Industry 4.0
2.2 The Enabling Technologies for Industry 4.0
2.3 Industry Participation in Country Indicators
2.4 Agile Project Methodology
3 Development
3.1 The Case Study
3.2 The Productivity Indicator
3.3 The Sprint Example in the Case Study
4 Results
5 Conclusions
References
Factors Limiting the Industrial Development of Marine Macroalgae in the District of Marcona, Perú
1 Introduction
2 Problem Statement
3 Methodology
3.1 Exogenous Surface Variables
3.2 Endogenous Surface Variables
3.3 Latent Exogenous Variable
3.4 Endogenous Latent Variables
3.5 Exogenous Latent Variable Relationship with Endogenous Latent Variable
3.6 Endogenous Latent Variable Relationship with Endogenous Latent Variable
3.7 Relations of the Exogenous Surface Variables with the Exogenous Latent Variable
3.8 Relationships of Endogenous Surface Variables with Endogenous Latent Variables
4 Results
4.1 Results Obtained
4.2 Interpretation of the Results of the Structural Model
5 Conclusions
References
Hardware Modeling Challenges Regarding Application-Focused PCB Designs in Industry 4.0 and IoT Conceptual Environments
1 Introduction
2 Methodology
3 Results and Discussion
4 Conclusions
References
Smart Contracts and Blockchain: An Application Model for Traceability in the Beef Supply Chain
1 Introduction
2 Beef Supply Chain Review
2.1 Current Scenario
2.2 Future Challenges
3 Blockchain Technology
3.1 Blockchain
3.2 Smart Contracts
3.3 Standout Use Cases
4 A Blockchain-Based Traceability Tool
5 Conclusion
References
Twenty Years Survey of Big Data: Definition, Concepts, and Applications in Engineering
1 Introduction
1.1 Theoretical Framework
2 Methodology
3 Analysis and Discussion
3.1 Big Data Applications in Engineering Areas
3.2 Publications with the Term Big Data by Area
4 Conclusions
References
IoT Security: A Simplified Analysis of the Literature
1 Introduction
2 IoT versus IoE
3 OSI and IoT Model Layers
4 Safety in both models
5 State of the Art
6 Conclusion
References
TRUMIT—Trust Manager for IoT
1 Introduction
2 Related Work
3 TRUMIT
3.1 TRUMIT Features
3.2 Trust Network Creation
3.3 Direct Trust
3.4 Indirect Trust
3.5 Calculation of Final Trust Value
4 TRUMIT Evaluation
5 Conclusion
References
Data Visualization Techniques for Monitoring Real-Time Information of Cold Chain
1 Introduction
2 Related Work
3 Method
3.1 Data Collection and Processing
3.2 Selection of Data Visualization Techniques and Elements Identify
4 Experimental Settings
5 Results
6 Conclusion
References
Bike-Sharing Management System Using IoT
1 Introduction
2 Literature Review
3 Architecture Development
3.1 Services Used
3.2 Hardware Used
3.3 Architecture Design
4 Conclusions
References
A Geometric Design of Traffic-Light Roads Crossing Using the Continuous Flow Intersections Methodology to Reduce Points of Primary Conflicts Caused by Left Turns
1 Introduction
2 State of Art
3 Methodology
3.1 Collection of Field Data
3.2 Analysis and Representation of Field Data
3.3 Base Development Model
4 Calibration and Model Validation
4.1 Model Calibration
4.2 Model Validation
5 Proposed Method
6 Validation and Results
6.1 Number of Conflict Points
6.2 Determination of Operational Capacity
6.3 Evaluation of Safety Results
7 Conclusions
References
Presence Sensors: A Comparison Between the Ultrasonic and the Infrared in the Detection of People and Vehicles
1 Introduction
2 Sensors
2.1 Ultrasonic
2.2 Infrared
3 Experiment
4 Results and Analysis
5 Conclusion
References
An Operational Approach for Enhancement Toll Collection in Trucks with Axis Suspended
1 Introduction
2 Development
2.1 Vehicle Weighing Process on Brazil
2.2 Billing Concepts Toll Rates
2.3 Types of Commercial Vehicles
2.4 Measures
3 Divergence of Same-Class Truck Weight Measures
4 Technological Proposal and Discussion
5 Discussion
References
A Look at the Evolution of Autonomous Cars and Its Impact on Society Along with Their Perspective on Future Mobility
1 Introduction
2 Methodology
3 Theoretical Background
4 Results and Discussion
5 Conclusions
References
Escalators: A Technological Contribution in Reducing Failures and Maintaining
1 Introduction
2 Historic
3 Operation Principle
3.1 Standards
3.2 Maintenance
3.3 Failures
3.4 Sensors and Energy Saving
4 Methodology
5 Results and Analysis
6 Conclusion
References
Use of Data Acquisition Technologies to Optimize Construction Progress Monitoring Times in Residential Buildings
1 Introduction
2 Methodology
3 Results
3.1 Registration and Analysis of Information
3.2 Determination of the Current Process
3.3 Process redesign
3.4 Evaluation of the existing data acquisition tools
3.5 Adaptation of the tool to the new process
3.6 Implementation
4 Conclusions
References
Daily Control System for the Construction of Multi-family Building Projects
1 Introduction
2 Methodology
3 Results
3.1 Specialty Identification and Most Incident Items
3.2 Analysis of Causes of Deviations and Generic Solutions
3.3 Data Recording in the Technological Tool and Dashboard
4 Conclusions
References
The Role of Cyberspace and the New Information and Communication Technologies in the Improvement of the Sustainability of the Urban Habitat
1 Introduction
2 Urban Habitat Sustainability
3 Habitat Development and Appropriation of Technologies
4 Structuring of Cyberspace and Sharing in the Cities
5 Smart Cities
6 Urban Mobility in the Age of Connection
7 Construction of the Technology Landscape and Urban Densification
8 Final Considerations
References
An Overview of Internet of Things Security from a Modern Perspective
1 Introduction
2 Methodology
3 Internet of Things (IoT)
4 Internet of Things (IoT) Security
5 Results and Discussion
6 Cybersecurity Education
7 Trends
8 Conclusions
References