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Adaptive Automation: Sharing and trading of control

Adaptive Automation: Sharing and trading of control. Function Allocation. Who does what Types Comparison allocation MABA-MABA (what “men are better at and what “machines are better at”) Leftover allocation Economic allocation. Comparison allocation MABA-MABA. problem.

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Adaptive Automation: Sharing and trading of control

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  1. Adaptive Automation: Sharing and trading of control

  2. Function Allocation • Who does what • Types • Comparison allocation • MABA-MABA (what “men are better at and what “machines are better at”) • Leftover allocation • Economic allocation

  3. Comparison allocationMABA-MABA

  4. problem • Do see a problem with this function allocation?

  5. Who does What When decisions • Example of Aircraft Navigation

  6. Sharing of control • Human and computer work together simultaneously to achieve a single function (Sheridan, 1992) • Types • Extension • Relief • Partitioning

  7. Trading of Control • Either the human or computer is responsible for function, and an active agent changes alternately time to time (Sheridan, 1992). • Example of Aircraft

  8. Levels of Automation

  9. Functions that may be automated • Four classes of functions • Information acquisition • Information analysis • Decision selection • Action implementation • Design alternatives regarding to what extent each of the four functions

  10. Acquisition Automation • Low level of automation • Examples?

  11. Analysis Automation • Moderate level of automation • Examples?

  12. Decision Automation • Situation Diagnostic decisions • Identify what is going on • Select the most appropriate hypothesis among a set of diagnostic hypotheses. • Action Selection decisions • Deciding the most appropriate action among the set of alternatives • Level of automation between 2, 3 or 4

  13. Action Automation • Reasonable automation to adjust the configuration of system automatically so that the new configuration may fit well with the current situation • The level of automation would be 4

  14. Adaptive Automation • A scheme that modifies function allocation dynamically and flexibly depending on a situation-adaptive function allocation • Determine whether the function have to be reallocated, how and when • So the automation that operates under an adaptive function allocation is called adaptive automation

  15. Automation Invocation Strategies • Critical Event strategy • Change function allocation when specific events occur in the human-machine system • Three levels of logic • Emergency • Executive • Automated display • Level of automation depends on the logic

  16. Automation Invocation Strategies • Measurement based Strategies • Detecting changes in Workload levels • Identifying what component of mental workload is under stressed or overstressed • Psychophysiological Measure

  17. Automation Invocation Strategies • Modeling based strategy • Models to infer whether the workload is excessive or not • Three groups of models • Intent inferencing model • Optimal (mathematical) model • Resource model

  18. Level of automations

  19. Design aspects of adaptive automation

  20. Consequences of design decision

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