The behaviour of an aircraft when in contact with the ground is not straightforward, mainly because of the complexity of the landing gears used to absorb energy on landing and to allow ground manoeuvrability. This chapter introduces landing gear, and discusses a relatively simple treatment of the rational taxiing and landing cases, bookcases for braking and turning, and simple modelling of wheel spin‐up/spring‐back and shimmy. A landing gear has two major dynamic elements in series, namely the shock absorber and the wheel/tyre assembly. Shimmy can occur due to inadequate torsional stiffness, torsional freeplay, wheel imbalance, etc. The extent to which the flight control system (FCS) needs to be represented in ground manoeuvres depends upon which, if any, of the FCS functions are relevant to the particular manoeuvre being considered; e.g. if the rotation and de‐rotation phases of landing are to be modelled, then the appropriate control laws are included.
Ground Manoeuvres
2014-12-02
29 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
METHOD AND APPARATUS FOR CONTROLLING AIRCRAFT GROUND MANOEUVRES
Europäisches Patentamt | 2024
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