Vibration Isolation System with Kalman Filter Estimated Acceleration Feedback: An Approach of Negative Stiffness Control

Table 1

Parameters used in the experiments and simulations.

Model	Parameters	Value		Unit
Kalman filter	Process noise ()	0.02	0.02 eye (3) negative stiff system	m/s; m/s^2; A
			0.02 eye (2) positive stiff system	m/s; m/s^2
	Measurement noise ()	1.1	1.1 eye (3) negative stiff system	m; m/s; A.s
			1.1 eye (2) positive stiff system	m; m/s
System	Mass	30 (isolation table)		kg
		52 (middle table)
	Actuator coefficient ()	45 (both tables)		N/A