An Enhanced VMD with the Guidance of Envelope Negentropy Spectrum for Bearing Fault Diagnosis

Algorithm 1

An extension for the enhanced VMD with the guidance of ENS.

	Construct the ENS:
	Locate the first ICFs based on the ENS:
	for do
	initialize: , ,
	repeat
	, ,
	until convergence:
	Let: and it CF
	while do
	initialize: , ,
	repeat
	, ,
	until convergence:
	obtain mode: and its CF
	end while
	Let: , and
	end for
	Return