Antishock performance improving device and method for double-layer vibration isolating system
A technology of anti-shock performance and vibration isolation system, which is applied in the field of anti-shock devices and vibration reduction, and can solve problems such as shock resistance performance that cannot meet actual requirements, complex strong nonlinear problems, and secondary impact of limiters, etc., to achieve rapid capture , Reduce the source vibration degree, improve the effect of vibration isolation ability
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[0031] The present invention is described in more detail below in conjunction with accompanying drawing example:
[0032] In conjunction with Fig. 1, the protected marine power equipment 1, the intermediate mass 2, the elastic shock absorber 3 and the elastic shock absorber 4 as the protected upper layer quality constitute a double-layer vibration isolation system and are placed on the hull foundation 5; A vibration sensor 6, a pick-up sensor 7, a DSP controller 8, a constant current source circuit 9, a DC power supply 10, and an electromagnetic semi-active vibration absorber 11 constitute a semi-active control system. The protected marine power equipment 1 in the double-layer vibration isolation system is equipped with an electromagnetic semi-active vibration absorber 11, and its vibration signal is measured by the vibration pickup sensor 6 as a vibration detection signal, and the shock pickup sensor 7 detects the hull foundation The acceleration signal of 5 is used as the im...
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