REPRESENTATION OF POWER FLOWS FOR THE CONCEPTUAL DESIGN OF HYDROMECHANICAL DRIVES
Résumé
This communication deals with the graphical representation of power flows in hydromechanical drives, for use in systemsengineering activities. It points out the need for standardized symbols in mechanics to complement the well-established standards in electrics and hydraulics. Once identified and listed, the mechanical functions are arranged by classes and subclasses, which define the main families of symbols to be designed. A functional view is favoured. Proposals are made for symbolisation in order to improve the readability of the diagrams dealing with multi-physical systems. This is illustrated with the example of the Airbus 320 yaw control, which combines mechanical, electrical and hydraulic devices in a complex architectural arrangement. This work contributes to make foundations for the development of a modern standard of mechanical symbols.
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