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Vibration isolation is the process of isolating an object, such as a piece of equipment, from the source of vibrations. Despite construction distinctions the essence of all vibration isolation systems are identical. Passive vibration isolation systems consist essentially of a spring and damper (dash-pot). Active vibration isolation systems contain along with the spring, a feedback circuit which consists of a piezoelectric accelerometer, a controller, and an electromagnetic transducer. The acceleration (vibration) signal is processed by a control circuit and amplifier. Then it feeds the electromagnetic actuator, which amplifies the signal. As a result of such feedback system a considerably stronger suppression of vibrations is achieved compared to ordinary damping.

[edit] References

• Harris, C., Piersol, A. , Harris Shock and Vibration Handbook, Fifth Edition, McGraw-Hill, (2002), ISBN 0-07-137081-1 .

[edit] See also

• Shock absorber
• Vibration

[edit] External links

• Vibration isolation is the key to accuracy article