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Welcome to your XPONENTIAL Exhibitor Console!

The Exhibitor Console is your XPONENTIAL hub for all the information you need to know – from deadlines to promotional items - in one convenient location.

Important Dates and Information

Virtual Platform Launch

Note: only registered attendees can access the virtual platform and virtual booth. 

September 28, 2020

Virtual Platform Coffee Talk

  • Zoom Link 
  • Meeting ID: 865 9877 2303
  • Passcode: 447699
  • Phone: +1 301 715 8592

October 1, 2020

1:00pm EST

XPONENTIAL 2021 Rebook

Rebook will take place during XPONENTIAL 2020. You will receive an email by Thursday, October 5 with your rebook time. This will be the time that you can log into the system and select your physical booth location for XPONENTIAL 2021 scheduled for Atlanta May 3-6.

October 7-8, 2020

Use our Promotional Toolkit to share your participation at XPONENTIAL and give your customers a discounted registration with code EXHOFFXPO20!

A Simulation Framework for Establishing Detect, Alert, and Avoid Requirements.

  • Session Number:2061
Wednesday, October 07, 2020: 1:00 PM - 1:45 PM

Speaker(s)

Session Speaker
Iryna Borshchova
Research Officer
National Research Council - Canada

Description

Performance requirements for Detect, Alert, and Avoid (DAA) systems for Remotely Piloted Aircraft Systems (RPAS) are under development by many regulatory agencies and standards bodies. Existing published DAA-specific standards are limited to performance requirements for air-to-air radar (DO-366, TSO-C212). At present, comprehensive requirements for a DAA system and sensor modalities, other than radar, have yet to be published. The ‘right of way rules of the air’ state that an aircraft that does not have the right of way shall keep out of the way of another, and avoid passing over, under or in front of the other, unless well-clear. Standards bodies have been actively investigating several candidates' well-clear volume definitions. A DAA system is also responsible for avoiding near mid-air collision (NMAC) with other traffic, which occurs when an intruder aircraft penetrates a collision volume around the RPAS. DAA can be decomposed into three functions, namely, ‘Detect’ - situational awareness, determination of traffic that may be in conflict, evaluation of the de-conflicting flight path; ‘Alert’ - informing the pilot-in-command; and ‘Avoid’ – avoidance maneuver execution, and determination of ‘clear of conflict’. The ‘Avoid’ component of a DAA system depends on the RPAS performance, pilot reaction (for manual maneuver execution), airspace specifics, and size of the protection volume. These factors impact the time required to conduct an avoidance maneuver that will guarantee a prescribed miss distance, and dominate the ‘Detect’ requirements of a sensor (e.g., minimum detection range, maximum estimated position uncertainty, required sensor field-of-regard, etc.). The relationship between these factors and the sensor requirements are best investigated using simulation studies. This paper describes the results of modeling and simulation of encounter geometries for a variety of ownership and intruder performance envelopes. Timely ‘Collision Avoidance’ and ‘Remain Well-Clear’ maneuvers, conducted by the ownership, guarantee the specified miss distance, between ownership and intruder, based on time to the closest point of approach. The results of the simulations are then used to establish the minimum requirements for a DAA sensor for chosen ownership maneuvering characteristics and airspace restrictions. Future work will incorporate known airspace models and RPAS/intruder mission profiles in order to establish additional sensor requirements (e.g. robustness, reliability, etc.).

Super Tracks:


Job Role:
Analyst,Engineering/Technical,Research & Development

Tags:
Air,Virtual Reality,Navigation,Airspace Integration



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