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May 13, 2014

Mtg: Next-Generation Aircraft Collision Avoidance

by @ 3:37 pm. Filed under ALL, Communications, Computers/Software, Engineering Mgmt

THURSDAY July 17, 2014
SCV Robotics and Automation Chapter
– TCAS, risks, deterministic models, optimized logic …
Speaker: Prof. Mykel Kochenderfer, Aeronautics & Astronautics Department, Stanford University
Time: Presentation at 7:00 PM
Cost: none
Place: Carnegie Mellon University Silicon Valley, Room 118, Moffett Field
RSVP: not required

The Traffic Alert and Collision Avoidance System (TCAS) provides maneuver instructions to pilots in the cockpit during the last minute prior to potential collision.  The system has been shown to significantly reduce the risk of mid-air collision and is currently mandated worldwide on all large transport aircraft.  Engineering the collision avoidance logic was a very costly undertaking that spanned several decades.  The current TCAS logic uses deterministic models and heuristic rules that limit the robustness of the system.  Addressing system robustness as well as accommodating future air traffic procedures and surveillance technologies will require a fundamental design change.  This talk presents a decision theoretic approach for designing the TCAS collision avoidance logic that significantly enhances robustness and supports next generation airspace.  The approach involves leveraging a partially observable Markov decision process (POMDP) formulation to automatically derive optimized collision avoidance logic directly from a set of performance metrics and probabilistic encounter models.  The resulting collision avoidance system is in the process of becoming the next international standard for collision avoidance for both manned and unmanned aircraft.  This talk outlines the general approach and discusses the anticipated impact on development, safety, and operation.


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