مدلسازی ریاضی تعامل انسان ماشین در شبیه‌ساز عملکرد چند وظیفه‌ای خلبان با استفاده از تئوری اطلاعات

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکترای / دانشکده مهندسی هوافضا، دانشگاه صنعتی امیرکبیر

2 عضو هیات علمی / دانشکده مهندسی هوافضا، دانشگاه صنعتی امیرکبیر

3 عضو هیات علمی / پژوهشگاه هوافضا

چکیده

در این مقاله‌ تعامل میان انسان و ماشین در شبیه‌ساز استاندارد وظایف خلبان‌، با بهره‌گیری از مفاهیم موجود در تئوری اطلاعات‌ مدلسازی می‌گردد‌. برای این منظور، نرخ تبادل داده‌‌ در هر یک از زیرسیستم‌های شبیه‌ساز استخراج‌ می‌شود و با برآیند گرفتن از آن‌ها‌، مقدار نرخ تبادل دادة کلی ایجاد شده در شبیه‌ساز بدست می‌آید‌. در مرحلة بعد‌، نرخ تبادل دادة خروجی تولید شده توسط انسان در تعامل با شبیه‌ساز محاسبه گشته و از تلفیق آن با نرخ اطلاعات ورودی‌، یک معیار واحد جهت ارزیابی عملکرد وی ارائه می‌گردد‌. در نهایت کارایی این شاخص در محیط شبیه‌ساز عملکرد چند وظیفه‌ای خلبان با در نظر گرفتن سه سطح مختلف بارکاری (کم‌، متوسط و زیاد)‌، از طریق انجام یک آزمون‌ عملی توسط تعدادی سوژة انسانی مورد بررسی قرار خواهد گرفت. نتایج حاصل شده نشان می‌دهد که سوژه‌ها با بالا رفتن سطح بارکاری‌، تلاش مضاعفی را در قالب زیاد کردن ‌نرخ تبادل دادة خروجی ایجاد شده توسط خود بروز می‌دهند. اما با این وجود بر اساس تحلیل آماری صورت گرفته‌، کیفیت کارکرد سوژه‌ها بین سطوح کم‌، متوسط و زیاد از بارکاری دارای اختلاف معنادار بوده و بالا رفتن شدید بارکاری‌، موجب افت قابل توجه معیار عملکرد بدست آمده می‌شود‌.

کلیدواژه‌ها

عنوان مقاله [English]

Mathematical modeling of human-machine interaction in multi attribute piloting tasks simulator using information theory

نویسندگان [English]

  • Mohammad Reza Mortazavi 1
  • Kamran Raissi 2
  • Seyed Hamed Hashemi Mehne 3
1 Ph.D. Candidate / Department of Aerospace Engineering, Amirkabir University of Technology and Aerospace Research Institute
2 Assistant Professor / Department of Aerospace Engineering, Amirkabir University of Technology
3 Assistant Professor / Aerospace Research Institute
چکیده [English]

In this paper, using the concepts related to the information theory, the model of interaction between human and machine in a standard simulator of piloting tasks is created. For this purpose, the baud rate generated in all subsystems of the simulator is calculated and by summing them, the total baud rate is obtained. Next, the output baud rate produced by the human during working with the simulator is computed and subsequently, a unique index facilitating human performance investigation is proposed. Finally, the capability of this index is examined in the simulator of piloting tasks via a practical test performed by some subjects for different levels of workload (low, medium, and high). Results demonstrate that when a substantial growth in the workload level occurs, subjects try to show extra effort through increasing their generated output baud rate. On the other hand, according to the statistical analysis, it can be concluded that there is a significant difference between performance of subjects across low, medium, and high levels of workload, i.e. a severe growth in the workload level causes considerable drop in performance index.

کلیدواژه‌ها [English]

  • Modeling
  • Human-Machine Interaction
  • Multi-Attribute Task Battery
  • Information Theory
  • Performance Index

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