Further Development and Evaluation of a New High-Speed Acceleration / Deceleration ADS-33 Mission Task Element
Roy L. Brewer, Frank Conway, Ray Mulato, The Boeing Company; Hong Xin, Cody E. Fegely, William C. Fell, Sikorsky, a Lockheed Martin Company; Joseph F. Horn, The Pennsylvania State University; Paul D. Ruckel, James M. Rigsby, Bell Helicopter; David H. Klyde, Sean P. Pitoniak, P. Chase Schulze, Systems Technology, Inc.; Carl R. Ott, Chris L. Blanken, U.S. Army RDECOM
Further Development and Evaluation of a New High-Speed Acceleration / Deceleration ADS-33 Mission Task Element
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Further Development and Evaluation of a New High-Speed Acceleration / Deceleration ADS-33 Mission Task Element
Authors / Details: Roy L. Brewer, Frank Conway, Ray Mulato, The Boeing Company; Hong Xin, Cody E. Fegely, William C. Fell, Sikorsky, a Lockheed Martin Company; Joseph F. Horn, The Pennsylvania State University; Paul D. Ruckel, James M. Rigsby, Bell Helicopter; David H. Klyde, Sean P. Pitoniak, P. Chase Schulze, Systems Technology, Inc.; Carl R. Ott, Chris L. Blanken, U.S. Army RDECOMAbstract
Updates to the military rotorcraft handling qualities specification are currently being considered that address the high- speed flight regime envisioned for the Future Vertical Lift (FVL) platform of the US Army. The US Army's National Rotorcraft Technology Center (NRTC) project "Rotorcraft Handling Qualities Requirements for Future Configurations and Missions" was a U.S. Government and Industry co-funded three-year research project. A project team that features industry and academia have developed and evaluated a set of Mission Task Elements (MTEs) that are defined to address rotorcraft high-speed handling qualities. The High Speed Acceleration/Deceleration MTE was designed to provide suitable coverage in ADS-33 for handling qualities in Low/High Speed Transitional flight regimes (e.g. rotor-borne to wing-borne flight). The MTE objectives, descriptions, and performance criteria were developed via a series of piloted simulation sessions at each of the four teams' simulation facility. Formal evaluations were then conducted by US Army and contractor test pilots at the four simulator facilities, each featuring a unique high-speed platform, including two tiltrotor configurations, an X2 Technology compound helicopter, and a generic winged compound helicopter. To enhance the MTE evaluation process, baseline control law (CLAW) configurations were varied to achieve different handling qualities levels. Quantitative measures based on task performance and qualitative measures based on pilot ratings, comments and debrief questionnaires were used to assess MTE effectiveness. The piloted simulation results demonstrated that the High Speed Acceleration/Deceleration MTE provided a suitable and effective means to evaluate Transitional handling qualities between low and high speed flight, although some refinements may still be warranted.
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