BEGIN:VCALENDAR VERSION:2.0 PRODID:-//132.216.98.100//NONSGML kigkonsult.se iCalcreator 2.20.4// BEGIN:VEVENT UID:20260729T111730EDT-7836ljZX3E@132.216.98.100 DTSTAMP:20260729T151730Z DESCRIPTION:Abstract\n\n\n \n \n \n Traditional airport surface management prov ides limited ability for controllers to anticipate aircraft movements\, re sulting in suboptimal route assignments that contribute to conflicts\, del ays\, and increased fuel consumption. With continued growth in air traffic demand\, these operational inefficiencies are expected to become increasi ngly significant.\n\n To address these issues\, surface trajectory-based op erations (STBO) have been proposed\, enabling air traffic controllers to p replan and optimize aircraft trajectories. For STBO to be effective\, airc raft movements must be fully predictable: pilots must conform to assigned speed profiles along their route to and from the runway\, thereby reducing positional uncertainty. This fundamentally changes how flight crews opera te and requires new guidance systems.\n\n Visual guidance interfaces have b een investigated\, continuously indicating where the aircraft should be al ong its route according to the assigned speed profile. These systems allow pilots to track their target position while remaining within a 250 meter allowable deviation band. However\, most simulation studies demonstrating the potential gains of STBO in reducing fuel burn and delays assume tighte r spacing between aircraft\, revealing a discrepancy between optimization targets and currently achievable human performance. Indeed\, such reduced tolerances have been shown to result in more frequent loss of conformance— triggering costly reroutings—and excessive attention to the display (head- down time)—a significant threat to safety. These issues highlight a key ga p: current guidance techniques are insufficient to safely support pilots a t the level of precision required to fully realize the potential of STBO. \n\n This thesis proposes improved STBO guidance systems designed to enable pilots to safely conform to reduced deviation bands. Based on a cognitive task analysis of pilots' information requirements for STBO\, we identifie d ways to support situation awareness\, improving performance by enhancing their ability to perceive\, understand\, and anticipate relevant operatio nal constraints. The task analysis highlighted an opportunity to support t he highest level of situation awareness (anticipation) by conveying future changes in trajectory speed. To explore this\, we investigated visual rep resentations of trajectory speed that are glanceable—minimizing head-down time—while still conveying a complete and accurate picture of the speed pr ofile. We found that an appropriate representation improves conformance to reduced deviation bands but does not reduce excessive head-down time.\n\n To address this remaining limitation\, we explored the use of haptic cues delivered directly through the speed control interface\, i.e.\, the thrust lever. Among the cue types evaluated\, we found asymmetric vibrations to be the most effective for conveying thrust commands.\n\n An improved STBO s upport system\, combining visual trajectory speed representations and hapt ic thrust cues\, was evaluated with professional pilots. Conformance to a 100 meter deviation band—representing the average deviation used in STBO s imulation studies—increased from 84% with existing guidance systems to 90% with trajectory speed symbology and to 99% with the addition of haptic cu es. Furthermore\, head-down time decreased from 38% with current guidance systems to 27% when haptic cues were introduced.\n\n This thesis contribute s to the implementation of STBO and the associated reductions in delays an d fuel burn by improving pilot conformance\, paving the way for safer and more efficient airport surface operations.'\n \n \n \n\n DTSTART:20260714T160000Z DTEND:20260714T180000Z LOCATION:Room 603\, McConnell Engineering Building\, CA\, QC\, Montreal\, H 3A 0E9\, 3480 rue University SUMMARY:PhD defence of Corentin Conan – Enhancing Pilot Guidance for Surfac e Trajectory-Based Operations through Multimodal Interaction URL:https://www.mcgill.ca/ece/channels/event/phd-defence-corentin-conan-enh ancing-pilot-guidance-surface-trajectory-based-operations-through-373436 END:VEVENT END:VCALENDAR