NDLI: Fully Automatic Guidance and Control for Rotorcraft Nap-of-the-earth Flight Following Planned Profiles. Volume 2: Mathematical Model

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Fully Automatic Guidance and Control for Rotorcraft Nap-of-the-earth Flight Following Planned Profiles. Volume 2: Mathematical Model

Content Provider	Semantic Scholar
Author	Clement, Warren F. Gorder, Peter J. Jewell, Wayne F.
Copyright Year	1991
Abstract	Developing a single-pilot, all-weather nap-of-the-earth (NOE) capability requires fully automatic NOE (ANOE) navigation and flight control. Innovative guidance and control concepts are investigated in a four-fold research effort that: (I) organizes the on-board computer-based storage and real-time updating of NOE terrain profiles and obstacles in course-oriented coordinates indexed to the mission flight plan; (2) defines a class cf automatic anticipative pursuit guidance algorithms and necessary data preview requirements to follow the vertical, lateral, and longitudinal guidance commands dictated by the updated flight profiles; (3) automates a decision-making process for unexpected obstacle avoidance; and (4) provides several rapid response maneuvers. Acquired knowledge from the sensed environment is correlated with the forehand knowledge of the recorded environment (terrain, cultural features, threats, and targets), which is then used to determine an appropriate evasive maneuver if a non-conformity of the sensed and recorded environments is ©bserved. This four-fold research effort has been evaluated in both fixed-base and moving-base real-time piloted simulations, thereby providing a practical demonstration for evaluating pilot acceptance of the automated concepts, supervisory override, manual operation, and re-engagement of the automatic system. Volume I describes the major components of the guidance and control laws as well as the results of the piloted simulations. Volume II describes the complete mathematical model of the fully automatic quidance system for rotorcraft NOE flight following planned flight profiles.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19910011837.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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