NASA NTRS · 19720033312
A model following variable stability system for the NASA ARC X-14B.
Abstract
A description of the basic design concept, hardware design, and flight evaluation of a Variable Stability System (VSS) installed on the NASA ARC X-14B is presented. The NASA ARC X-14B is a twin-engine, single-seated VTOL aircraft. The VSS is unique in that it employs a general purpose airborne digital computer as an integral part of the hybrid model following flight control system. The system design, analysis and testing phases are discussed in the paper from the application of optimal control techniques in the preliminary design of the system, through the flight demonstration of the VSS hardware.
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Gallagher, J. T., Saworotnow, I., Seemann, R., Gossett, T. D.. 1972-01-01. A model following variable stability system for the NASA ARC X-14B.. https://ntrs.nasa.gov/citations/19720033312
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