Review: Optimal Shock and Vibration Isolation

Баландин, Д. В.; Болотник, Н. Н.; Pilkey, Walter D.

doi:10.1155/1998/197040

Cited by 13 publications

(5 citation statements)

References 81 publications

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“…With the increase of the requirements on the ship survivability, more and more attentionshave been focused on the anti-shock performance of ship's auxiliary equipment [1][2][3] . At present, the impact theory can be divided into frequency-domain and time-domain [4][5].…”

Section: Introductionmentioning

confidence: 99%

Anti-shock Analysis of Marine Ventilation Grid in Time Domain

Wang¹

2015

Proceedings of the 5th International Conference on Civil Engineering and Transportation 2015

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Based on the modern impact theory, an anti-shock model of the marine ventilation grid was built to simulate its anti-shock performance in time domain with the consideration of the contact stress. The stress was obtained from the anti-shock simulation which could be useful for the anti-shock design and evaluation. The results indicated that the design of the ventilation grid met the requirements of anti-shock.

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Section: Introductionmentioning

confidence: 99%

Anti-shock Analysis of Marine Ventilation Grid in Time Domain

Wang¹

2015

Proceedings of the 5th International Conference on Civil Engineering and Transportation 2015

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“…In order to improve shock isolation, the use of variable or switchable rate elements has been considered. Optimal shock isolation has been considered by Balandin et al [5] where a performance index and a design constraint are used to design an isolator, obtaining time optimal functions for the isolator. The concept of an early warning or preacting isolator has also been studied, showing a substantial performance increase over typical isolators [6].…”

Section: Introductionmentioning

confidence: 99%

Mathematical Modeling of a Transient Vibration Control Strategy Using a Switchable Mass Stiffness Compound System

Ledezma-Ramírez

Ferguson

Zamarripa

2014

Shock and Vibration

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A theoretical control strategy for residual vibration control resulting from a shock pulse is studied. The semiactive control strategy is applied in a piecewise linear compound model and involves an on-off logic to connect and disconnect a secondary mass stiffness system from the primary isolation device, with the aim of providing high energy dissipation for lightly damped systems. The compound model is characterized by an energy dissipation mechanism due to the inelastic collision between the two masses and then viscous damping is introduced and its effects are analyzed. The objective of the simulations is to evaluate the transient vibration response in comparison to the results for a passive viscously damped single degree-of-freedom system considered as the benchmark or reference case. Similarly the decay in the compound system is associated with an equivalent decay rate or logarithmic decrement for direct comparison. It is found how the compound system provides improved isolation compared to the passive system, and the damping mechanisms are explained.

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“…The topic on how to design an optimum shock and vibration isolation for general type of devices has been discussed quite extensively in the literatures [1,2]. However, the vibration isolation design for sophisticated systems needs to be attended in a special manner.…”

Section: Introductionmentioning

confidence: 99%

Design and Analysis of Shock and Random Vibration Isolation of Operating Hard Disk Drive in Harsh Environment

Harmoko

Yap

Vahdati

et al. 2009

Shock and Vibration

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Abstract. An effective vibration isolation system is important for hard disk drives (HDD) used in a harsh mechanical environment. This paper describes how to design, simulate, test and evaluate vibration isolation systems for operating HDD subjected to severe shock and random vibrations based on military specifications MIL-STD-810E. The well-defined evaluation criteria proposed in this paper can be used to effectively assess the performance of HDD vibration isolation system. Design concepts on how to achieve satisfactory shock and vibration isolation for HDD are described. The concepts are tested and further enhanced by the two design case studies presented here. It is shown that an effective vibration isolation system, that will allow a HDD to operate well when subjected to severe shock and random vibration, is feasible.

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Review: Optimal Shock and Vibration Isolation

Abstract: This is a review of the investigations into the field of optimum shock and vibration isolation, including the mathematical foundations of both optimal open-loop and optimal feedback isolation systems. This survey covers the literature from the initial studies to the present.

Cited by 13 publications

References 81 publications

Anti-shock Analysis of Marine Ventilation Grid in Time Domain

Anti-shock Analysis of Marine Ventilation Grid in Time Domain

Mathematical Modeling of a Transient Vibration Control Strategy Using a Switchable Mass Stiffness Compound System

Design and Analysis of Shock and Random Vibration Isolation of Operating Hard Disk Drive in Harsh Environment

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