Abstract

A pilot-in-the-loop handling qualities assessment of fly-by-wire control laws for a business jet with a sidestick was conducted in a simulation environment. The control laws were optimized to meet Level 1 requirements for a comprehensive set of stability, handling qualities, and performance specifications. This piloted fixed-based simulation experiment evaluated the control laws using a series of handling qualities demonstration maneuvers, including pitch and roll capture and tracking tasks, as well as an offset landing task. Quantitative performance metrics were collected, in addition to pilot handling qualities ratings and comments. The results show Level 1 handling qualities for the roll tracking and landing tasks, and borderline Level 1 handling qualities for the pitch tracking task. In addition, the fly-by-wire control laws were rated as very predictable and pilots could be more aggressive with a higher level of precision than with the bare-airframe.

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