Aerospace and Electronic Systems Magazine January 2018 - 14

Systems Engineering Approach Using Integrated Product and Process Development (IPPD)

Figure 5.

ISU departmental requirements for the planetary defense team project.

After each of the five subteams had gone through the IPPD
steps, the READI team members got together again to analyze the
systems of systems results and integrate it into the bigger system
of planetary defense. There were some changes made to accommodate the limitations from each subteam, and compromises allowed for a flow of actions for each subsystem to work toward
the end goal of saving our planet with the proposed roadmap. The
high-risk items identified for each subteam showed realistically
our lack of preparation in case we detect a NEO impact threat in
the near future. Considering the current technology and what we
can do in the next 1-2 years, we realized that there is little we
can do besides getting people informed and come up with drastic
NEOs deflection techniques.
The use of the risk matrix allowed the team to focus our efforts on a more realistic pathway. We decided to look at the shortterm warning from the time the threat was detected at a time in
the future. That would mean the detection methods would have
reached a higher Test Readiness Level (TRL) and any spacebased methods would have potentially been put into orbit to
provide a good detection system. Our project targets a detection
date of 2030, which gives enough time for detection and deflection systems to be well advanced through the current exponential
technology, global collaboration, education, and all READI project recommendations.

MODELING AND SIMULATION
As part of any systems engineering plan, it is important to show
a preliminary modeling and simulation concept. We developed a
realistic comet trajectory following the initial inputs from the De-

Figure 6.

STK illustration showing comet trajectory intersecting with Earth (a)
orbit, high power laser beams interacting with the comet, (b) before and
(c) after perihelion. Comet size not to scale.

14

IEEE A&E SYSTEMS MAGAZINE

JANUARY 2018



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