A Health Status Assessment Method of Fluid Loop System Based on Hierarchical Multi-Information Fusion

Table 3

Collected data.

Id	Component	Monitoring data	Units	Trends
	Pump	Motor temperature	°C	Slow change
		Pump speed	r/min	Fast change
	Filter	Pressure difference	kPa	Step change
	Heat exchanger	Liquid temperature	°C	Slow change
	Latching valve	Pressure difference	kPa	Step change
		Angle displacement	rad	Fast change
	Controller	Flow rate	L/min	Fast change
		Liquid level	mm	Slow change
	Condenser	Liquid temperature	°C	Slow change
	Liquid level compensator	Outlet temperature	°C	Slow change
		Liquid level	mm	Slow change
	Temperature control valve	Angle displacement	rad	Fast change