A Data Fusion Fault Diagnosis Method Based on LSTM and DWT for Satellite Reaction Flywheel

Table 5

Parameters of the reaction flywheel.

Parameters	Nomenclature	Unit	Value
	Bus voltage		—
	Flywheel inertia		0.0077
	Driver bandwidth		20
	Voltage feedback gain	—	0.5
	Overspeed circuit gain		95
	Overspeed circuit threshold		690
	Coulomb friction		0.002
	Motor torque constant		0.029
	Driver gain		0.19
	Operating temperature		—
	Torque noise high-pass filter frequency		0.2
	Number of motor poles	—	36
	Motor back EMF		0.029
	Input resistance		2
	Cogging torque amplitude		0
	Motor torque ripple coefficient	—	0.22
	Bridge resistance		2
	Torque noise angle deviation		0.05
	Quiescent power		3