Human-machine interaction (HMI) is a field that encompasses software and hardware components that allow users to interact with machines. It has a wide range applications for both personal and professional settings. In this article we will explore human-machine interactions definition, usage scenarios and trends.
The study of HMI was born as understanding human machine interaction the need for more user-friendly computer interfaces became clear. It is a blend of elements from different fields, including psychology ergonomics and cognitive engineering. Douglas Engelbart coined the term, believing that humans could learn to operate computers using well-designed interfaces.
HMI terminals or operator interface terminals (OIT) are examples of human-machine interactions. They are also referred to as local operator interfaces (LOI) or man machine interfaces (MMI). These devices communicate with PLCs within automation systems, translating input and output data to digital dashboards and facilitate control. They also enable real-time data acquisition, which allows you to display and manage alarms. HMIs are found in gas stations, ATMs, self-checkout lines and manufacturing facilities.
A touch-sensitive display is another kind of HMI that interprets the user’s movements to execute commands. This technology is used in smartphones and tablets that have touchscreens built-in. They are now a part of our daily lives. Recent advances in the human-machine interaction field include pre-touch sensing which anticipates a user’s intent and performs an action before the user makes the request.
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