Mechanism Analysis of a Low-Frequency Disc Brake Squeal Based on an Energy Feed-In Method for a Dual Coupling Subsystem

Table 3

Feed-in energy of the dual coupling subsystem near 1600 Hz.

Pressure	Frequency (Hz)	Real part	Coupling system	Energy (N/m)
0.2	1650.6	/	Piston-caliper
			Disc-plate
0.4	1641.2	24.023	Piston-caliper	576.49
			Disc-plate	850.00
0.6	1639.2	21.266	Piston-caliper	956.09
			Disc-plate	1100.00
0.8	1639.2	20.173	Piston-caliper	939.16
			Disc-plate	1050.00
1.0	1638.2	/	Piston-caliper
			Disc-plate
1.2	1638.5	/	Piston-caliper
			Disc-plate
1.4	1638.5	/	Piston-caliper
			Disc-plate