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Design of control laws to implement ACT benefits

Published online by Cambridge University Press:  04 July 2016

J. G. Jones*
Affiliation:
Head of Control Division (FS8), Royal Aircraft Establishment, Farnborough

Extract

The emergence of active control technology (ACT) as a design feature of future combat aircraft raises three fundamental requirements (a) the identification of those areas where active control is likely to make for more efficient designs (b) the development of a capability to produce system hardware and software satisfying the stringent integrity requirements which the envisaged ACT applications demand, and (c) the development of a capability to implement successfully the ACT benefits, emerging from (a), by means of appropriate control laws.

This paper is concerned primarily with Item (c). Subjects considered include the design of control laws for fast target acquisition and precise tracking, the design of ride-smoothing systems, control laws for manoeuvre limiting at high angles of attack, and flying qualities problems associated with aerodynamically-unstable air-craft.

The design of control laws takes place through a series of steps including initial computer-aided studies followed by ground-based simulation with the pilbt-in-the-loop and ultimate validation (probably with re-tuning of control-loop parameters) through flight test.

Type
Research Article
Copyright
Copyright © Royal Aeronautical Society 1980 

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