Comparison between two methods of AVC

Important issues related to AVC

• Active Vibration Control (AVC) is important when there are stringent specifications on Performance and Weight Savings .
• Passive solutions are in general cheaper than AVC.
• One should not consider that AVC will always give better performance and it can compensate for a bad design. It should be considered as the last resort.
• Feedback control can compensate external disturbance only in a limited band, outside the bandwidth the disturbance is actually amplified.
• Semi-active Vibration control is being considered as a trade-off solution.