I believe that systems will receive high-level strategic goals ("Build one car according to the following specification: ...") and will be autonomous in the way of how they achieve these goals, together with people
Robots & Humans Cooperating and Coexisting in the Future
Simon Mayer | University of St. Gallen
How will technology support the interaction and collaboration of people and machines (in particular: robots)?
In short, we require technologies to overcome information silos for integration across systems and we need novel HCI mechanisms for integrating people as well. Let's consider the information silos first: in this context, we view each machine/robot as an information silo that contains, for instance, information about the abilities of the machine and how to communicate with the machine to enact/use these abilities. For machines to work together in a more autonomous way, they need to be able to understand one another's functionality and be able to use that functionality, thereby enabling the automatic composition of higher-level plans of action that involve multiple machines (see https://ieeexplore.ieee.org/
Now, let's turn to the people: People will interact with such "partially autonomous" systems in two main ways: first, they will need an intuitive way of specifying high-level goals for groups of machines/robots (along with virtual services); second, they will directly interact with these systems and therefore need ways of monitoring what partially autonomous machines are up to - for purposes of safety and also to just plainly be aware of what their environment is doing, a crucial factor for user acceptance of autonomous systems. Needless to say, these interfaces need to complement low-level safety mechanisms that are built into e.g., industrial robots.
How autonomous do you think robots will become in the factory environment over the next 5 to 10 years?
This relates to the question above of course: I believe that systems will receive high-level strategic goals ("Build one car according to the following specification: ...") and will be autonomous in the way of how they achieve these goals, together with people - i.e. the tactical integration of interfaces within plans of action and the execution of these plans. This is the technological viewpoint; from an industrial perspective, one of the main obstacles to this actually being deployed is the way of how industrial equipment is commissioned, which assumes much more static devices that keep doing the same thing over and over, rather than dynamically composing their functionality in response to strategic goals.
How will users know what autonomous machines are up to?
Here, we need to find answers to two questions: First, how do we deliver this information? Second, what information do we deliver?
Since this information is usually local in nature and needs to be presented locally and timely, I believe that - generally speaking - this would be an ideal application for Mixed Reality technology: overlaying an information layer of "what is this machine doing" or "what systems is this machine communicating with" over the physical machine, in-situ (https://graz.pure.elsevier.
How will the robot know what the user is up to?
Contextual sensors such as motion sensing devices / body trackers together with algorithms that can identify users are being used for this purpose in research labs. In real environments, the major obstacle is however not the monitoring technology - rather, this kind of instrumentation conflicts with workers' rights to (at least partial) privacy at the workplace, and the direct monitoring and tracking of workers is unlawful in many countries, particularly in the EU. These issues will need to be resolved as, importantly, they are connected with user acceptance as well.
Is there a safety problem? How can technology improve the safety of people who work in human-robot collaborative environments?
Removing the cages around large robots and thereby creating "collaborative robots" directly implies safety risks that need to be mitigated with appropriate sensing equipment and fail-safe technologies - novel fail-safe may even be able to predict what people are about to do - we started calling this concept "Predictive Fail-Safe" (https://graz.pure.elsevier.
And what about the collaboration among machines - will we need to explicitly program machine interactions in the future, just like we do today?
We'll need to "program", i.e. "define" the mentioned strategic goals and will need interfaces for this. But this will be a different kind of programming, as it will be declarative instead of imperative.
Today we are excited about collaboration with robots and humans. What about tomorrow? Will humans disappear from the factory floor and be relegated to glassed in control booths … or will those disappear too?
In my opinion, people and robots will have complementary abilities for years to come: even if something is technically possible (e.g., extreme dexterity for a robot), it is often not economically feasible. So, robots and people will be collaborating for some time in the workplace, and we should consider that we have been working cooperatively with machines - washing machines, dishwashers, etc. - at home for some time, even if we don't consider them robots. However, the level of this cooperation will be deeper: more collaboration and direct interaction in a shared physical space. Over time, robots will most probably take over more and more tasks that people take care of today - most prominently "TBD" tasks: tasks that are Tedious, Boring, or Dangerous. Consequently, I agree that people will take over more and more supervision and monitoring roles over time. Disappearing control booths would require deeper user acceptance however: in many industries (e.g., smart grid management), automatic decision-making is not desired, i.e. the human must remain in the loop.
About Simon Mayer
Simon Mayer is a professor of computer science at the University of St. Gallen where he heads the chair for Interaction- and Communication-based Systems. Before, Simon was leading the research group on Cognitive Products at the Austrian research center Pro²Future, and he was part of Siemens' Web of Things research group in Berkeley, California in the role of a Senior Key Expert for Smart and Interacting Systems. His main research topics are aspects of integrating smart things into the Web, their semantic description, and infrastructures that support human users as well as other machines in finding and interacting with the information and services provided by such devices. As a visiting researcher at the Laboratory for Manufacturing and Productivity at MIT in the year 2012, he was also working on robustly and securely bringing live data from automobiles to the Web. Simon graduated with a PhD in computer science from ETH Zurich in 2014.
The content & opinions in this article are the author’s and do not necessarily represent the views of RoboticsTomorrow
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