Patent ID: 6295488
Filing Date: 2001-09-25
Classification: G01R,G05B,G06F

Abstract:
A method of locating faults in a complex system for an aircraft, comprising:monitoring operation of said system to detect a malfunction of one component of said system;transmitting a malfunction signal when a malfunction of one component of said system is detected;continuously recording information about said system in a first memory, said information including actual values of a plurality of parameters of said system;clearing said recorded information after a given storage period;each time a malfunction signal is transmitted, storing at least some of the information stored in said first memory in a second memory together with information about changes to the values of at least some of said parameters during a particular period after transmission of said malfunction signal; anddetermining the location of each malfunction giving rise to a malfunction signal from said information stored in said second memory, wherein all information about one of said malfunction signals is extracted from said second memory to locate a malfunction relating to one of the plurality of malfunction signals.