Networked Control System Design for Turbofan Aeroengines with Aging and Deterioration

Table 2

Structure and physical meaning of the identified model.

Signal type	Notation	Designed value	Physical meaning
Input		kg/h	Main combustor fuel flow
			Nozzle exit area
State		rpm	Rotation speed of the LP shaft
		rpm	Rotation speed of the HP shaft
Output		rpm	Being the same with
			Turbine pressure ratio (ratio of static pressure at the HPC exit and total pressure at the LPT exit)
Health parameter			Flow modifiers and efficiency modifiers of the LPC, HPC, HPT, and LPT