The Michigan Engineer News Center

Aerospace student wins AIAA IS Best Paper competition

Swee Warman won this year’s AIAA IS Best Student Paper competition at the 2015 AIAA SciTech Conference in Kissimmee, FL| Short Read

The AIAA Intelligent Systems TC and the Intelligent Systems Best Student Paper judges, congratulated aerospace student, Swee Warman, on winning this year’s AIAA IS Best Student Paper competition at the 2015 AIAA SciTech Conference in Kissimmee, FL. The paper competition subcommittee unanimously selected Warman’s paper as the overall 1st place winner.

Winning paper title: A Constrained Markov Decision Process Framework for a Flight Safety Assessment and Management System

Abstract: Loss of Control is the most common contributing factor to aviation accidents. Flight Safety Assessment and Management (FSAM) is a high level automation aid to further reduce risk due to loss of control. Nominally, FSAM serves as a loss-of-control watchdog. When off-nominal conditions conducive to loss of control are encountered, FSAM issues appropriate warnings and resilient control overrides to ensure safe operation of the aircraft. This paper describes a framework for modeling FSAM as a Constrained Markov Decision Process where constraints represent flight envelope boundaries and decisions represent control mode overrides or no-operation (continue monitoring without action). The decisions made by FSAM are based on an optimal policy that minimizes a cumulative cost that penalizes high risk flight conditions which contribute to loss of control.

Using this CMDP framework we develop policies that prevent loss of control during takeoff.

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Kimberly Johnson
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Aerospace Engineering

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Roya Ensafi, CSE Research Assistant Professor, uses her computing system, Censored Planet. Photo: Joseph Xu

Online censorship detector aims to make the internet a freer place

Censored Planet could provide new insight into the flow of online information | Short Read