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31-07-18 IOT thing

Industry 4.0

With men at the center of the creative processes, (Da Vinci saw that), multi sensor real time data collectors with multi sided communication devices and machines, self learning, adapting autonomous decision making contexts, under an huge cloud (hopefully not a stormy one!) is a set and go trend that could mean a revolutionary incremental process, next years.

   This is not the first time a technical breakthrough was supposed to revolutionize the world of factories: we’re talking about computer-integrated manufacturing, or CIM for short. Scientist Prof. Dr. Thomas Bauernhansel, Director of the Institute for Industrial Manufacturing and Management (IFF) and the Fraunhofer Institute for Manufacturing Engineering and Automation (IPA) in Stuttgart, about Industry 4.0 answered.
When did you first hear of Industry 4.0, and what did you think of it?
“It was in 2011, at a meeting of the Fraunhofer Production Matrix. We all started to Google terms like cyber-physical systems, and tried to make sense of what could be meant by Industry 4.0. None of the production luminaries at this meeting had more than the vaguest idea. So the term was not coined by production experts but comes from the fields of IT and artificial intelligence. Nonetheless, production technology experts had been working on it for a very long time,” said Bauernhansel.

Humans take charge of value creation
What’s the difference from CIM?
“CIM was based on the assumption that we won’t be having people in the factory any more. The concept with CIM is that everything is highly integrated, and centrally controlled from a master computer. Here, humans now had merely an integrative function as planners and “commanders”. Industry 4.0 adopts an entirely fresh approach, focusing on communication, not integration. This means we have decentralized autonomous systems that communicate with each other, irrespective of the particular system and manufacturers involved. We say: the human being continues to play a central role in the factory, but a different one. He takes charge of the value creation process. And we are opting for data management in real-time. This means there’s no time-lagged data image in some central database. What happens is that the data are acquired in real-time at the places where they are currently being generated. In the context of control system technology, we’re talking about milliseconds here. In the context of planning and control, perhaps minutes or hours will suffice,” said Bauernhansel.

Industry 4.0 stands and falls with cyber-physical systems (CPSs). But there are experts who say they are often too expensive, not reliable enough and frequently overdimensioned. What’s your answer to one of these critics, who in fact comes from your own institute?
“My respected colleague Alexander Verl has rightly remarked that ultimately we have to focus on the cost-efficiency of these systems. This critical approach is important, so as in particular to rein in those among the vendors concerned, meaning software firms or also machinery manufacturers, who are scenting business opportunities for themselves here. Ultimately, the system as a whole has to offer an advantage to the customer who is buying a product. At the moment, Industry 4.0 is being driven very largely by factory equipment producers and less by the customers. So there’s not a market crying out for it, but there is a technology that’s looking for an application. So what my colleague Alexander Verl is saying is not in contradiction to my own stance, because in the final analysis the thing has to be commercially viable,” said Bauernhansel.

Might it also be that many companies fear going into Industry 4.0 because they’re worried their data might be stolen from the cloud?
What’s the story behind the “Virtual Fort Knox”, in which, according to the institute, “jointly used sensitive data are as safe as the USA’s gold reserves in the legendary stronghold of Fort Knox”?
“There’s not going to be absolute data security in any system. It would be misleading to say security is going to be a huge problem, because security is already a huge problem now. Just as today we take the issue of security with the utmost seriousness, we shall take an equally serious approach when it comes to the issue of the cloud and concurrent users. And that’s precisely why we at the Fraunhofer IPA have launched the flagship project Virtual Fort Knox, in which we have taken a long hard look at everything: encoding and physical, communicative and organizational security: who is permitted to do what? Who has access and where?” said Bauernhansel.
What would you recommend in general? Should a cloud be located on the internet or rather in a firm’s own intranet?
“Each company has to find its own compromise, and then decide: what data will I not be putting on the net, and what data will I be putting on my own net? What data will be located in the private cloud and what knowledge for the customers and vendors on the public cloud?” said Bauernhansel.

Let me return for a moment to CIM, which only began to be more widely adopted after standardization. An expert from the automation sector has told me that standards for Industry 4.0 are a real turbo-boost for many activities, but the road to achieving a standard is very long and rocky. What’s your view on this?
“We’re not all that far away from standards: from a technical viewpoint, the problem of standardization has already been very largely solved in some fields. The actual problem is more the aspirations of firms who want to set these standards. Here we have to cultivate a community spirit. Even the major protagonists in this issue have to rethink their approach and say: yes, perhaps it makes sense that we have standardization and openness here, assuring everyone of access to the internet of things and services. After all, it’s no use to anyone if at the end of the day we have several different internets of things dominated by large companies. Only with a standardized system will new business models evolve, able to develop their full benefits for the end-user as well,” said Bauernhansel.

A glance into the future: what might a vision of Industry 4.0 look like?
“We decouple affluence and growth from resource consumption, and provide large amounts of the requisite technology through the Industry 4.0 initiative. The networking, the decentralization and the communication capabilities will lead to high levels of efficiency,” said Bauernhansel.

At the end one should search for the compromised solution; though revolutionary, does not mean easy and fast, it means that in a near future more and more adopters are willing to change, and set their minds towards a new renaissance: men and tech.

Source: EMO


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