Human-machine interaction
Encyclopedia
Human–machine Interaction (HMI) is the interaction between machines and the persons who operate them. An old-fashioned (historic) term is is Man-machined Interaction (MMI
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MMI
- Science and technology :* Man-machine interface or user interface* Modified Mercalli intensity scale, an earthquake intensity measure* W3C MMI or Multimodal Interaction Activity* Monolithic Memories, Inc...
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Related terms
- An interactive system (in contrast with automated systems) is a system for which human control or human supervision is required for its operation.
- The part of the machine used to interact with the human operator is called Human-machine interfaceHuman-machine interfaceHuman-machine interface is the part of the machine that handles the Human-machine interaction- Overview :In complex systems, the human-machine interface is typically computerized. The term Human-computer interface refers to this kind of systems....
. - In complex systems, the human-machine interface is typically computerized. The terms Human-computer interaction and Human-computer interface refer to these systems.
- A primary goal in the design and development of interactive systems is to maximize the user's productivity and safety and satisfaction.
- The set of procedures used to get this goal is called usability assuranceUsability assuranceUsability assurance is a set of procedures used in the design and development of interactive systems is to maximize the user's productivity and safety and satisfaction....
. - The goals of usability assurance are to maximize the system utilitySystem utilityThe system utility may be defined in terms of the satisfaction of the system stakeholders.- Actual Utility :The actual utility is the actual stakeholders' satisfaction....
(usefulness) and to minimize the operational risks. - The engineering of the human-machine interfaces is by considering ergonomicsErgonomicsErgonomics is the study of designing equipment and devices that fit the human body, its movements, and its cognitive abilities.The International Ergonomics Association defines ergonomics as follows:...
(Human FactorsHuman factorsHuman factors science or human factors technologies is a multidisciplinary field incorporating contributions from psychology, engineering, industrial design, statistics, operations research and anthropometry...
). The corresponding disciplines are Human Factors EngineeringHuman factors engineeringHuman Factors Engineering is the discipline of applying what is known about human capabilities and limitations to the design of products, processes, systems, and work environments. It can be applied to the design of all systems having a human interface, including hardware and software...
(HFE) and Usability EngineeringUsability engineeringUsability engineering is a field that is concerned generally with human-computer interaction and specifically with making human-computer interfaces that have high usability or user friendliness...
(UE), which is part of Systems EngineeringSystems engineeringSystems engineering is an interdisciplinary field of engineering that focuses on how complex engineering projects should be designed and managed over the life cycle of the project. Issues such as logistics, the coordination of different teams, and automatic control of machinery become more...
. - The knowledge about human factors is gained through behavioral sciences such as linguisticsLinguisticsLinguistics is the scientific study of human language. Linguistics can be broadly broken into three categories or subfields of study: language form, language meaning, and language in context....
, social sciencesSocial sciencesSocial science is the field of study concerned with society. "Social science" is commonly used as an umbrella term to refer to a plurality of fields outside of the natural sciences usually exclusive of the administrative or managerial sciences...
and cognitive psychologyCognitive psychologyCognitive psychology is a subdiscipline of psychology exploring internal mental processes.It is the study of how people perceive, remember, think, speak, and solve problems.Cognitive psychology differs from previous psychological approaches in two key ways....
. - Theories of human-machine interaction are based on communication theoryCommunication theoryCommunication theory is a field of information and mathematics that studies the technical process of information and the human process of human communication.- History :- Origins :...
, in which the the human operator is regarded as a sub-system, with special values of performance properties (response time, error rates, learning rate, memory capacity, retention rates, vigilance, etc.). - Theories about evaluating success and failure of the interaction apply knowledge about use errorUse errorThe term Use Error has recently been introduced to replace the commonly-used terms human error and user error. The new term, which has already been adopted by international standards for medical devices, suggests that accidents should be attributed to the circumstances, rather than to the human...
s, risk assessmentRisk assessmentRisk assessment is a step in a risk management procedure. Risk assessment is the determination of quantitative or qualitative value of risk related to a concrete situation and a recognized threat...
and resilience engineering.