Health State Assessment of Industrial Equipment Driven by the Fusion of Digital Twin Model and Intelligent Algorithm

Table 3

Health state assessment parameters.

Parameter number	Parameter content
Parameter 1	Pressure at the beginning of fuel injection
Parameter 2	Maximum fuel pressure
Parameter 3	Submaximum fuel pressure
Parameter 4	Width of the rising phase of pressure waveform
Parameter 5	Height difference between the highest point and the lowest point of pressure waveform
Parameter 6	Area of pressure waveform in an injection cycle