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- Raymer, D., et al.
(author)
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Sparky flapjack : Electric aircraft design inspirations from the vought V-173
- 2017
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In: AIAA SciTech Forum - 55th AIAA Aerospace Sciences Meeting. - Reston, Virginia : American Institute of Aeronautics and Astronautics Inc.. - 9781624104473
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Conference paper (peer-reviewed)abstract
- This paper presents a design study of electric personal aircraft concepts inspired by the Vought V-173, the famous “Flying Pancake” of late WWII. With its incredible slow flight and short field capability, this innovative design concept may point towards an aircraft suitable for the emerging “Pocket Airport” concept. The paper presents four modern concepts that could offer remarkable capabilities. All use electric propulsion, novel aerodynamics, and integrated composite construction. Four-seater and two-seater concepts have a separate crew cabin underneath the wing allowing for normal entry, unlike the V-173. Another two-seater version was designed with the cabin integrated with the wing root as in the V-173. A recreational one-person “mini” version was also designed with a prone pilot position on top of the wing.
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- Raymer, Karen E., et al.
(author)
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Anaesthesia monitor alarms: a theory-driven approach
- 2012
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In: Ergonomics. - : Informa UK Limited. - 0014-0139 .- 1366-5847. ; 55:12, s. 1487-1501
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Research review (peer-reviewed)abstract
- The development of physiologic monitors has contributed to the decline in morbidity and mortality in patients undergoing anaesthesia. Diverse factors (physiologic, technical, historical and medico-legal) create challenges for monitor alarm designers. Indeed, a growing body of literature suggests that alarms function sub-optimally in supporting the human operator. Despite existing technology that could allow more appropriate design, most anaesthesia alarms still operate on simple, pre-set thresholds. Arguing that more alarms do not necessarily make for safer alarms is difficult in a litigious medico-legal environment and a competitive marketplace. The resultant commitment to the status quo exposes the risks that a lack of an evidence-based theoretical framework for anaesthesia alarm design presents. In this review, two specific theoretical foundations with relevance to anaesthesia alarms are summarised. The potential significance that signal detection theory and cognitive systems engineering could have in improving anaesthesia alarm design is outlined and future research directions are suggested.
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