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Synthesis of Aircraft Modal Control Systems

Published online by Cambridge University Press:  04 July 2016

T. R. Crossley  and
B. Porter
T. R. Crossley
Affiliation:
Department of Mechanical Engineering, University of Salford
B. Porter
Affiliation:
Department of Mechanical Engineering, University of Salford
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Extract

The recently developed theory of modal control has so far been mainly applied to the design of process control systems. This theory is, however, capable of much wider application and it is the principal object of this paper to illustrate its use as a basis for the synthesis of aircraft control systems. The particular illustrative problem considered is that of synthesising a lateral autopilot for bank-angle and roll-rate mode control. Typical aerodynamic data for an aircraft flying at M=0·9 and at altitudes from sea level to 40 000 ft (12 km) are used in the calculations.

Type
Technical Notes
Information
The Aeronautical Journal , Volume 72 , Issue 692 , August 1968 , pp. 697 - 701
Copyright
Copyright © Royal Aeronautical Society 1968 

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References

1. Porter, B. and Micklethwaite, D. A. Design of multi-loop modal control systems, Trans SIT, Vol 19, p 143, 1967.Google Scholar
2. Rosenbrock, H. H. Distinctive problems of process control, Chem Eng Progress, Vol 58, p 43, 1962.Google Scholar
3. Ellis, J. K. and White, G. W. T. An introduction to modal analysis and control. Control, pp 193, 262, 317, 1965.Google Scholar
4. Engineering Sciences Data Unit, Aero Series, Dynamics Sub-Series, 67003, p 6, 1967.Google Scholar
5. Crossley, T. R. and Porter, B. Synthesis of aircraft modal control systems having complex eigenvalues, (to be published).Google Scholar