Hands-On Azure Digital Twins: A practical guide to building distributed IoT solutions

by Alexander Meijers

Length: 446 pages
Edition: 1
Language: English
Publisher: Packt Publishing
Publication Date: 2022-03-03
ISBN-10: 1801071381
ISBN-13: 9781801071383
Sales Rank: #3048361 (See Top 100 Books)

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Build your own digital twin in no time!

Key Features

Build and design simple to complex digital twins solutions
Create end-to-end solutions with Azure Digital Twins
Integrate the Azure Digital Twins service with other Azure services to provide even richer solutions

Book Description

In today’s world, clients are using more and more IoT sensors to monitor their business processes and assets. Think about collecting information such as pressure in an engine, the temperature, or a light switch being turned on or off in a room. The data collected can be used to create smart solutions for predicting future trends, creating simulations, and drawing insights using visualizations. This makes it beneficial for organizations to make digital twins, which are digital replicas of the real environment, to support these smart solutions.

This book will help you understand the concept of digital twins and how it can be implemented using an Azure service called Azure Digital Twins. Starting with the requirements and installation of the Azure Digital Twins service, the book will explain the definition language used for modeling digital twins. From there, you’ll go through each step of building digital twins using Azure Digital Twins and learn about the different SDKs and APIs and how to use them with several Azure services. Finally, you’ll learn how digital twins can be used in practice with the help of several real-world scenarios.

By the end of this book, you’ll be confident in building and designing digital twins and integrating them with various Azure services.

What you will learn

Understand the concept and architecture of Azure Digital Twins
Get to grips with installing and configuring the service and required tools
Understand the Digital Twin Definition Language (DTDL) and digital twin models
Explore the APIs and SDKs available to access the Azure Digital Twins services
Monitor, troubleshoot, and secure digital twins
Discover how to build, design, and integrate applications with various Azure services
Explore real-life scenarios with Azure Digital Twins

Who this book is for

This book is for Azure developers, Azure architects, and anyone who wants to learn more about how to implement IoT solutions using Azure Digital Twins and additional Azure services. Prior experience using the Azure Portal and a clear understanding of building applications using .NET will be helpful.

Hands-On Azure Digital Twins
Contributors
About the author
About the reviewer
Preface
    Who this book is for
    What this book covers
    To get the most out of this book
    Download the color images
    Download the example code files
    Conventions used
    Get in touch
    Share Your Thoughts
Section 1: Azure Digital Twin Essentials
Chapter 1: About Digital Twins
    Understanding the concept of a Digital Twin
        Digital replica
        Entities
        Relationships
        Realities
    Exploring the Digital Twin environment
    Looking at real-world applications
        Smart building
        Education
        Simulation
        Historical data
        Insight and control
    Azure Digital Twins
        The Azure Digital Twins service
        Important terminology
        Open modeling language
        Tools
        Costs
    Understanding the components of Azure Digital Twins architecture
        Managing Azure Digital Twins
        Azure Functions
        Azure IoT Hub
        Azure IoT Hub Device Provisioning Service
        Azure Logic Apps
        Azure Storage
        Azure Analytics
        Azure Service Bus
    Exploring the Azure Digital Twins REST API
    Summary
Chapter 2: Requirements and Installation
    Technical requirements
    Azure Digital Twins service
        Azure account
        Resource group
        Azure Digital Twins service
        Configuring access control
    Microsoft Visual Studio
    The Windows Azure CLI with Windows PowerShell
    Node.js
    Azure Digital Twins Explorer
        Download
        Installation
        Compile and run
    Creating your first Digital Twin
        Uploading models
    Summary
Section 2: Getting Started with Azure Digital Twins
Chapter 3: Digital Twin Definition Model
    Technical requirements
    Digital Twins Definition Language
        JSON-LD
        Versioning
    Digital Twin interface
    Interface content
        Properties
        Telemetry
        Relationships
        Component
    Schemas
    Primitive schemas
    Complex schemas
        Field
        Object
        Map
        Array
        Enum
    Geospatial schemas
    Semantic types
    Validating a model
    Summary
    Questions
    Further reading
Chapter 4: Understanding Models
    Technical requirements
    Designing models
        Modeling a smart building
        Designing models
        Modeling recommendations
    Creating an application
    Managing models
        Creating a model
        Creating multiple models
        Inheriting from a model
        Deleting a model
        Getting a model
        Getting models
    Managing Digital Twins
        Creating a Digital Twin
        Updating a Digital Twin
        Deleting a Digital Twin
        Getting a Digital Twin
    Summary
    Questions
    Further reading
Chapter 5: Model Elements
    Technical requirements
    Primitive properties
    Complex properties
    Telemetry
    Components
    Summary
    Questions
Chapter 6: Creating Relationships between Azure Digital Twin Models
    Technical requirements
    Understanding relationships
    Creating relationships
    Getting relationships
        Getting a single relationship
        Getting a list of relationships
    Deleting relationships
    Relationship properties
    Updating relationship properties
    Summary
    Questions
    Further reading
Chapter 7: Querying Digital Twins
    Technical requirements
    Setting up a demo graph
    Basic querying
    Querying by model
    Querying relationships
    Filtering results
    Querying using code
    Querying asynchronous calls using code
    Summary
    Questions
    Further reading
Chapter 8: Building Models Using Ontologies
    Technical requirements
    Understanding ontologies
    Modeling strategy
    Using industry-standard ontologies
    Uploading ontology models
    Summary
    Questions
    Further reading
Section 3: Digital Twins Advanced Techniques
Chapter 9: APIs and SDKs
    Technical requirements
    Understanding the developer landscape
    Understanding the REST API
        Control plane 
        Data plane
        SDKs
    Monitoring API metrics
    Using the Azure CLI to manage Azure Digital Twins
    Understanding service limits
    Summary
    Questions
    Further reading
Chapter 10: Building a Digital Twin Pipeline
    Technical requirements
    Understanding application architecture
    Setting up a demo sensor using Azure IoT Central
    Getting sensor messages on Azure Service Bus
    Summary
    Questions
    Further reading
Chapter 11: Updating the Model
    Technical requirements
    Updating the digital twin
        Updating the sensor model
        Creating a storage account
    Creating an Azure function
        Setting the connection string
        Creating an Azure function placeholder
        Granting the Azure function permissions
        Publishing the Azure function
        Setting the connection string
    Creating a digital twin for the sensor
    Viewing the result
    Summary
    Questions
    Further reading
Chapter 12: Event Routing
    Technical requirements
    Data ingress and egress
    Event notifications
    Understanding event routes
    Creating an event grid topic
    Creating an endpoint
    Creating an event route
    Subscribing to event messages
    Monitoring event route messages
    Summary
    Questions
    Further reading
Chapter 13: Setting up Azure Maps
    Technical requirements
    Understanding Azure Maps
    Creating an Azure Maps account
    Creating a Creator resource
    Building a map
    Uploading a map
    Converting a map
    Creating and validating a dataset
    Creating and validating a tileset
    Creating and validating a feature stateset
    Summary
    Questions
    Further reading
Chapter 14: Integrating Azure Maps
    Technical requirements
    Updating a feature stateset
    Setting up an update Azure Function
    Publishing the Azure Function 
    Configuring application settings
    Subscribing to Event Grid
    Monitoring updates
    Visualizing the model 
    Summary
    Questions
    Further reading
Chapter 15: Monitoring and Troubleshooting
    Technical requirements
    Setting up a log analytics workspace
    Setting up diagnostic settings
    Viewing logs
    Viewing metrics
    Using alerts
    Summary
    Questions
    Further reading
Section 4: Digital Twin Implementations in Real-world Scenarios
Chapter 16: Facility of the Future
    Understanding the scenario
    Designing the digital twin solution
    The solution architecture
    Summary
    Questions
Chapter 17: Creating Digital Twins for Smart Building
    Understanding the smart building ecosystem
        Sensors
        Analytics
        User interfaces
        Automation
    A smart building solution design
    The smart building architecture
    Summary
    Questions
Chapter 18: Simulations Using a Digital Twin
    Understanding simulation
    Solution design and architecture
        Work preparation 
        Training
        Testing
    Summary
    Questions
Assessments
    Chapter 3 – Digital Twin Definition Model
    Chapter 4 – Understanding Models
    Chapter 5 – Model Elements
    Chapter 6 – Creating Relationships between Azure Digital Twin Models
    Chapter 7 – Querying Digital Twins
    Chapter 8 – Building Models Using Ontologies
    Chapter 9 – APIs and SDKs
    Chapter 10 – Building a Digital Twin Pipeline
    Chapter 11 – Updating the model
    Chapter 12 – Event Routing
    Chapter 13 – Setting up Azure Maps
    Chapter 14 – Integrating Azure Maps
    Chapter 15 – Monitoring and Troubleshooting
    Chapter 16 – Facility of the Future
    Chapter 17 – Creating Digital Twins for Smart Building
    Chapter 18 – Simulations Using a Digital Twin
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