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The Impact of IT on Air Transportation Dr. Thomas A. Edwards Chief, Aviation Systems Division NASA Ames Research Center CTAS – The First Phase of Automation Descent planning region TMA plans sequence and landing time FAST advises for accurate spacing on final approach

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slide1

The Impact of IT onAir Transportation

Dr. Thomas A. Edwards

Chief, Aviation Systems Division

NASA Ames Research Center

slide2

CTAS – The First Phase of Automation

Descent planning region

TMA plans sequence and landing time

FAST advises for accurate spacing on final approach

EDA advises conflict free fuel efficient descent

Final approach

planning region

EDP advises conflict free departures

Direct-To advises flight plan short-cut opportunities

slide3

Automated Airspace

Revolutionary Advancements

Made Possible Through IT

Air/ground Integration

Improved Traffic Flow

Free Flight

DSTs

Greater Automation/Precision of Information Leads to a More Deterministic System

Automaticity

(System wide optimization, separation assurance)

System-Wide

Optimization

Inclusion of

all Airports

Improved System-Level

Monitoring and Diagnostics

Centralized Traffic

Flow Management

CNS

Precision

(Weather, System, Demand, Navigation, Surveillance)

certification of future atm automation systems

tighten

model

none

generate

instances

some

write

minimal

model

extend

model

or stop

pick

analysis

check

property

none

loosen

model

some

Approach to Lightweight Modeling (Alloy language, MIT)

Certification of Future ATM Automation Systems
  • Reliability requirements extremely high - no chance for human to recover system after failure
  • Traditional testing approach inadequate: too many code paths untested; spec may be incomplete
  • “Formal methods” provide math-based means to assess correctness of system behavior
  • “Lightweight formalisms” less costly and allow focus on modeling key properties of system during all stages of development
slide5

VMS

FFC

Training Centers

Rotorcraft Operations

Flight and Tower Simulators

FAA Tech Center

CVSRF

ATC

ATM and Human Factors Labs at CVSRF

Space Operations

High Density Airports

Concept Validation Through System-Level Simulation

Collaborative Tools for

System Level Assessments

Virtual Laboratories for Command and Control

Future Air Transportation System

Network/Architecture Links Facilities

Seamless integration of national simulation facilities into a virtual validation environment enables rapid prototyping of future ATM concepts and high-fidelity, human-in-the-loop demonstrations

summary
Summary
  • We are in the midst of implementing the first level of automation in the aviation system
  • By leveraging advances in computing, networking, and CNS capabilities, far greater advances are possible
  • Implementing revolutionary systems will be made possible only through the use of state-of-the-art capabilities in system specification and high-fidelity simulation