UAS Position Estimation in GPS-Degraded and Denied Environments Via ADS-B and Multilateration Fusion

Larson, Robert J.; Winde, Jonathon G.; Lum, Christopher W.

doi:10.2514/6.2018-0505

Cited by 4 publications

(6 citation statements)

References 12 publications

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“…The various features, capabilities, function, and architecture of TRAPIS has been documented in previous publications. [21][22][23][24] A high-level block diagram of the system is shown in Figure 1.…”

Section: B Trasponder-based Positoining Information System (Trapis)mentioning

confidence: 99%

“…The LAMS and how it is used in this current work was previously documented in other publications. 21,22…”

Section: Local Area Multilateration System (Lams)mentioning

confidence: 99%

“…Customization of this payload to integrate into an sUAS was discussed in previous publications. 21,22 The transponder in the previously described configuration received its position information from the aircraft's GPS by connecting into the UAS Pixhawk and GPS unit. For this paper it was desirable to have the transponder payload act independently of the UAS, so instead, a secondary Pixhawk and GPS unit were integrated into the payload.…”

Section: Ads-b Payloadmentioning

confidence: 99%

See 2 more Smart Citations

UAS Operation and Navigation in GPS-Denied Environments Using Multilateration of Aviation Transponders

Lum

Rotta

Patel

et al. 2019

AIAA Scitech 2019 Forum

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Section: B Trasponder-based Positoining Information System (Trapis)mentioning

confidence: 99%

“…The LAMS and how it is used in this current work was previously documented in other publications. 21,22…”

Section: Local Area Multilateration System (Lams)mentioning

confidence: 99%

Section: Ads-b Payloadmentioning

confidence: 99%

See 1 more Smart Citation

UAS Operation and Navigation in GPS-Denied Environments Using Multilateration of Aviation Transponders

Lum

Rotta

Patel

et al. 2019

AIAA Scitech 2019 Forum

Self Cite

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“…One major initiative from this act is the mandated safe integration of UAS into the National Airspace System (NAS). 2 Another related initiative is the FAA's Next Generation Air Transportation System (NextGen) 3 which showcases the ADS-B system as being a key component for both manned and unmanned traffic. 4 However, a recent investigation by the US Department of Transportation Inspector Generals Office 5 specifically identified these two areas behind schedule and in need of additional development.…”

Section: A Problem Statementmentioning

confidence: 99%

“…Specific details of this fusion and estimation process are beyond the scope of this paper and are discussed in a separate publication. 26…”

Section: Ground Control Stationmentioning

confidence: 99%

Flight Testing an ADS-B Equipped sUAS in GPS-Denied Environments

Lum

Larson

Handley

et al. 2017

AIAA Flight Testing Conference

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This paper details integration and flight testing of an automatic dependent surveillancebroadcast (ADS-B) transponder onto a small unmanned aerial system (sUAS). The sUAS broadcasts ADS-B packets on 1090 MHz and is visible to any aviation stakeholder with an ADS-B in receiver. In general, this provides a means for other observers such as air traffic control (ATC) or manned traffic to track the sUAS position. However, ADS-B relies heavily on availability of the global positioning system (GPS) and cannot function properly without reliable GPS. The work includes development of a secondary position estimation system that utilizes a local area multilateration system (LAMS) to interrogate the ADS-B transponder as a standard Mode S transponder and localize the sUAS in GPS-denied environments. The system consumes position information from both ADS-B and LAMS sources and fuses these reports into consistent estimates of the sUAS position. These fused estimates are then made available to aviation stakeholders so the situational awareness of the sUAS operator is not compromised. This allows the system to operate even if the sUAS enters into a GPS-denied environment. This paper describes the development of the fusion system as well as the flight testing and results of the integrated system.

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Collaborative positioning method via GPS/INS and RS/MO multi-source data fusion in multi-target navigation

et al. 2021

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UAS Position Estimation in GPS-Degraded and Denied Environments Via ADS-B and Multilateration Fusion

Cited by 4 publications

References 12 publications

UAS Operation and Navigation in GPS-Denied Environments Using Multilateration of Aviation Transponders

UAS Operation and Navigation in GPS-Denied Environments Using Multilateration of Aviation Transponders

Flight Testing an ADS-B Equipped sUAS in GPS-Denied Environments

Collaborative positioning method via GPS/INS and RS/MO multi-source data fusion in multi-target navigation

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