SAE AC&GS Committee Meeting South Lake Tahoe, NV March 2006 Hoh Aeronautics, Inc. Research Update David G. Mitchell Technical Director 310-325-7280 dmitchell@hoh-aero.com SAE AC&GS Committee Meeting South Lake Tahoe, NV March 2006
MUAD Envelopes Originally developed to define “Maximum Unnoticeable Added Dynamics” for airplane pitch response Evaluated for application to helicopter roll response in hover Advanced Rotorcraft Technology (ART) fixed-based simulator with FLIGHTLAB® model Several baseline roll configurations One pilot, one task Contract for US Army Airworthiness Engineering Directorate to Develop Methods for Simulation Validation
Unnoticeable Added Dynamics Compared with MUAD Envelopes
Allowable Error Envelopes Functions of response characteristics of aircraft before dynamics are added! Envelopes have been normalized by roll damping derivative A lot of work still to be done: More pilots Other tasks Moving-base simulator
A New Product Line: HeliSAS Developed for NASA under a Phase II SBIR Prototype flying on company Robinson R44 New product: The Chelton HeliSASTM Autopilot Announced at HeliExpo 2006 this week
Website: http://www.cheltonflightsystems.com/HeliSAS.html