A GM (1, 1) Markov Chain-Based Aeroengine Performance Degradation Forecast Approach Using Exhaust Gas Temperature

<table>Flowchart of EGTM forecast based on GM (1, 1) Markov chain approach.</table>

Mathematical Problems in Engineering

Figure 4: A GM (1, 1) Markov Chain-Based Aeroengine Performance Degradation Forecast Approach Using Exhaust Gas Temperature 