What is the function of the controller in active vibration isolation systems?

Related MCQs

• Which of the following systems produce a vibration in the foundation?
• Which of the following is correct regarding isolation factor?
• If the damper is not provided and the system is in resonance, which of the following is the correct isolation factor?
• In which type of vibrations, amplitude of vibration goes on decreasing every cycle?
• Which of the following is a type of free vibration?
• In the diagram shown below, if rotor X and rotor Z rotate in same direction and rotor Y rotates in opposite direction, then specify the type of node vibration.
• In a multi-rotor system of torsional vibration maximum number of nodes that can occur is:
• During torsional vibration of a shaft, the node is characterized by
• For a vibration system having different shaft parameters, calculate which of the following cannot be the diameter of the equivalent shaft if the diameters of shafts in m are: 0.05, 0.06, 0.07.
• A single cylinder oil engine works with a three rotor system, the shaft length is 2.5m and 70mm in diameter, the middle rotor is at a distance 1.5m from one end. Calculate the free torsional vibration frequency for a single node system in Hz if the mass moment of inertia of rotors in Kg-m2 are: 0.15, 0.3 and 0.09. C=84 kN/mm2