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Why improving human-machine interaction is crucial in the age of workforce scarcity

Building great machines is simply no longer enough

Not long ago, a skilled worker would take years to become proficient in using a machine. But today’s operators may not have the same skills and rarely spend decades on the same factory floor. To compress the learning curve, you need to understand and cater to the needs of this new generation of users.

The operator interface is the bridge between the human and the machine. A well-designed human-machine interface (HMI) can make the difference between a smooth, productive and satisfying experience and a frustrating, error-prone and costly one. This is especially true in the age of Industry 4.0 and the Internet of Things (IoT), which is all about automation, digitalization and the use of smart, connected devices. 

Print Operator At Factory Using Manufacturing Equipment

Oh, it’s very, very big... that is one of the biggest problems that our customers have right now... you know, aging workforce. And some of these guys have been working at that company for 20-30 years. They know everything about the machine. And now to train somebody new... it’s very difficult. They don’t have the people. They don’t have the expertise.

Manufacturing Engineer, 1,000-4,999 empls, USA

Impact of the labor shortage on machine manufacturers

We’ve just published an in-depth report examining the impact of the labor shortage on the machine manufacturing industry, which was created on our behalf by S&P Global Market Intelligence. The results, based on a survey of 300 decision-makers and six interviews with industry leaders, are intriguing. The report highlights both the scale of the problem and how machine builders on both sides of the Atlantic are working to mitigate its effects, both for themselves and for their customers.

Intuitive machine operator interfaces offer 4 major benefits

Natural and familiar gestures and commands minimize the effort and cognitive load required to control machines and increase the speed of communication with the machine.

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Intuitive interfaces offer customization and personalization according to the operator’s skills, needs and role (such as user-specific access rights or remote-control options).
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Intuitive interfaces allow operators with varying levels of technical skills and experience to more quickly adapt to new or changing tasks and environments, including different languages and cultures.
 
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Intuitive machine interfaces maximize uptime by minimizing the risk of confusion, misunderstanding or misinterpretation of instructions and the machine’s status.
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An HMI is not just a screen – it covers all interaction between human and machine 

An HMI is more than just a touch panel, even though these terms are often used interchangeably; it also encompasses pushbuttons, indicator lights and screens, as well as the software behind the interface, including the integration of artificial intelligence (AI). In summary, it covers all human-machine interaction, with two separate but interconnected levels of communication, both of which should be as intuitive as possible to maximize machine efficiency.
Communication from Human to Machine

Communication from human to machine

This includes the hardware that allows the user to enter commands, from turning the machine on and off to controlling its entire operation

Communication from Machine to Human

Communication from machine to human

Also known as status signaling, it uses visual, auditory and tactile cues to convey the machine’s state and notify the user what action needs to be taken

Related stories

See how other machine builders have made their interfaces intuitive and easy to use.

*Source: S&P Global Market Intelligence 451 Research, Custom Research Commissioned by Eaton