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Internet of Things, Industrial Internet of Things, Industry 4.0—It’s All Connected! (No Pun Intended)

As is the case with any hyped technological disruption, a flurry of terms (some new, some recycled) is appearing.

Diego Tamburini | Redshift

How is a consumer Internet of Things (IoT) product like a smart factory—or not? Why is industrial IoT different from manufacturing IoT? And why is it called IoT, implying that things connect only over the Internet, which is definitely not the case?

Confused?

Don’t worry, so is everybody else. Instead of adding to the confusion by proposing new and “better” terms, here’s a no-nonsense look at what defines the IoT trend across a couple of major industries, what’s new about it, and what these terms really mean.

What Makes a Thing in the IoT? At the core, the IoT is about things (devices, machines, buildings, et cetera) that:

  • Can sense their environment (that is, they can take measurements of what’s around them), typically through sensors.
  • Have some ability to perform computations (that is, they are “intelligent”), usually through software embedded in the electronics inside the things.
  • Are somehow connected to other things or software systems, which allows them to…
  • Exchange data and commands with other things.

I’ll flesh this out a bit by building from the simplest form of thing (a “disconnected thing”) all the way up to the connected IoT thing.

First, there are disconnected things, which are, not surprisingly, things that are not connected to anything else (cyber or physical).

They are normally purely mechanical devices and use hydraulic, pneumatic, or chemical power to produce motion.

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Designing connected things requires an intimate collaboration.

Note that disconnected does not imply simple: Disconnected things can be very complex and perform sophisticated functions; they just don’t have electronics and cannot “talk to” or “listen from” other things.

Next? Add electronics and electromechanical components along with the software inside. Now the behavior of the thing can be controlled by the “intelligence” embedded in the software algorithms.

The design process changes significantly with the introduction of electronics and software, because there are at least three disciplines—mechanical, electronics, and software—that need to collaborate closely.

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Then there’s the addition of sensors. At this point, the thing can actually sense its environment.

This adds an extra level of sophistication because now the embedded software can take the conditions of the environment surrounding the thing into account to make more informed decisions about what to do.

Finally, connectivity is added.

The specifics of IoT connectivity are vast, but suffice to say that things can be connected in many ways using many protocols (Bluetooth, ZigBee, Wi-Fi, 4G, GSM, NFC, and MQTT, to name a few).

By the way, this is why some have a problem with the “Internet” part of the term “Internet of Things”—because it implies that things connect only over the Internet.

This is certainly not the case.

[Also on Longitudes: The Fourth Industrial Revolution]

Now the thing can connect to and exchange data and commands with other things and software systems. If you take a look inside, a connected thing will generally contain:

  • Mechanical hardware, which provides the structural integrity and keeps things together and in place (the green box in the figure below).
  • Electrical hardware, which includes microprocessors or microcontrollers, power, data storage, and communications (the light-blue box).
  • Electromechanical hardware, which comprises sensors, actuators, and miscellaneous output devices that transform electrical energy into mechanical energy—and vice versa (the yellow box).
  • A microcontroller with some sort of operating system in which embedded software runs (the purple box).
Typical components for a connected thing. Courtesy Diego Tamburini.

Typical components for a connected thing. Courtesy Diego Tamburini. Click to enlarge.

Of course, designing connected things requires an intimate collaboration and close orchestration among designers, from multiple disciplines, who typically use different tools and solve a different portion of the bigger problem.

What is the net-net? Here are fantastic, intelligent, interconnected things that can sense their environments.

So what? Hasn’t the designing of connected devices been happening for decades?

What’s new about this IoT hype?

Well, a few important points:

  1. The intellectual property, hardware, and tools needed to develop connected things are becoming much more widely accessible. As a result, there is an explosion in the number and variety of connected things and, with it, a number of innovative applications that were unimaginable a few years ago.
  2. The popularity of open connectivity protocols, which is making it easier to connect dissimilar things from multiple vendors and these things to enterprise software systems.
  3. The growing sophistication of data analytics—combined with the wider availability of high-performance computing afforded by the cloud—is allowing the extraction of useful insights from the huge amount of data that these devices generate.

IoT, Industry 4.0, Industrial IoT. What’s the Big Difference? Up to this point, I’ve described IoT systems in a generic way, deliberately avoiding discussing the specific industry segment in which they belong.

There is a lot of commonality in the IoT world: things that are interconnected, exchange data and commands, and enable attached services.

The June oven wants to redefine the connected future, starting in the kitchen. Designed in part with Autodesk Alias, this smart oven connects to your iPhone or iPad and helps cook a perfect dish every time. Courtesy June. Click to enlarge.

The June oven wants to redefine the connected future, starting in the kitchen. Designed in part with Autodesk Alias, this smart oven connects to your iPhone or iPad and helps cook a perfect dish every time. Courtesy June. Click to enlarge.

But from there, things begin to diverge.

These differences become apparent when we look at the type of things that we are connecting and the problem(s) the IoT system is trying to solve (that is, its purpose).

Looking at these two aspects, there are three basic types of IoT systems: consumer, industrial, and manufacturing.

[Also on Longitudes: What Will Drive Future Innovation?]

Consumer IoT Systems. These systems connect things that consumers would typically buy directly at a store for their personal use, such as electronics, fitness devices, home automation/security devices, and leisure/entertainment/lifestyle things.

Their purpose is to improve lives by making them healthier, safer, or more enjoyable.

These applications are what people generally think of when they hear “the IoT.”

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One thing it all comes down to—it’s all connected.

Industrial IoT Systems. Here, it’s the connection of things that basically are nonconsumer—the ones typically purchased by a professional or a company in order to use them in the delivery of a service.

These include things like industrial machinery; transportation equipment (cars, trains, and planes); health care equipment; and megasystems like smart buildings, smart cities, and smart utility grids.

Their purpose is to increase productivity, allow manufacturers to differentiate through the offering of attached services, and reduce environmental impact.

Industrial IoT systems enable applications such as predictive maintenance services, energy optimization, and design optimization.

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Manufacturing IoT Systems. Manufacturing IoT systems—a subset of industrial IoT systems—include things that are found in a factory for the production of goods (factory buildings, manufacturing equipment, material handling equipment, robots, warehouses, and so forth).

Here, manufacturing devices and software are connected to each other to optimize the operations of a factory in real time, synchronize the operation of automated equipment, and optimize the supply chain and inventory management.

This is known as “smart manufacturing.” Smart manufacturing (or smart factories, as sometimes called) is precisely the goal of Industry 4.0 (the German government initiative).

As the technology matures over time, it will become more apparent and clear as to which IoT lives where and why.

In the meantime, there’s storming, norming, and seeing what rises to the top of the IoT food chain. But one thing it all comes down to—it’s all connected. goldbrown2

This article originally appeared on Autodesk’s Redshift, a site dedicated to inspiring designers and creators.

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Diego Tamburini is a writer for Redshift focusing on the manufacturing industry.

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2 Comments

  1. Houston Mills

    Very insightful overview of the IoT. It will be interesting to see how/if the IoT links manned systems such as commercial aircraft and unmanned systems such as drones. Cyber security related protocols will be essential to ensure safety, security, and gain public trust.

  2. Dennis

    It is being reported that IoT is a growing industry sector and I thought how that would apply to logistics. Happening in the oddest of places the hand dryer air stream was not very robust and I thought needed replacement. But the IE person would need to inspect it. determine end of service, order and replace. If it had IoT guts, what process would follow?. Jumping to the order being placed, packed and arriving to the attention of; how would the IE person know what this was for? An LED light went off and for the IoT systems to coordinate they would need GPS for facilities or coding built into order placement, manifest,labeling and delivery code visibility. IoT needs location designations inside buildings. This could facilitate the advancement of IoT a lot quicker and provide pin point accuracy for logistics providers completing delivery services.

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