Pre-emptive fault detection through advanced signal analysis

A system for detecting failure of a sensor in a control system for a gas turbine engine, comprising:

• a processing unit;
• and
• a non-transitory computer-readable memory having stored thereon program instructions executable by the processing unit for:
• receiving a filtered signal from the sensor;
• applying a high-pass filter to the filtered signal to produce a high-frequency component signal;
• determining a rate of occurrence of signal spikes in the high-frequency component signal;
• comparing the high-frequency component signal to a component signal threshold based on at least one known healthy component signal and at least one faulty component signal, wherein the faulty component signal is based on a known faulty signal caused by intermittent open circuits;
• and
• detecting the presence of intermittent open circuits caused by the sensor based on the comparing and on the rate of occurrence of signal spikes.