Pogo is a longitudinal vibration of liquid rockets, which is considered as a fluid-structure coupling of liquid supply system and rocket's structure. Its suppression is a critical element in the design of the fluid piping systems in liquid rockets, for many of them have been reported suffering the pogo vibration worldwide. Pogo suppression is a systematic technology including fluid-structure modelling, stability analysis and suppression devices. The suppression methods for pogo attracted much attention in the 1960s–1980s, while rare review can be found in recent decades. This article is to review pogo suppression methods vastly, and find effective and potential approaches for the future. The research and experience on the suppression technologies of pogo are investigated comprehensively, including the passive and active schemes. The advantages and limitations of various methods are discussed carefully, which indicates that the suppression is a systematic consideration. Moreover, the progress of the active control of fluid pulsation in hydraulic systems is also introduced detailedly, expecting a combination with the pogo application.

Pogo是液体火箭的纵向振动，被认为是供液系统与火箭结构的流固耦合。它的抑制是液体火箭流体管道系统设计中的一个关键因素，因为据报道，全球范围内许多液体火箭都遭受了 pogo 振动。Pogo抑制是一项包括流固建模、稳定性分析和抑制装置的系统技术。对pogo的抑制方法在20世纪60年代至80年代备受关注，但近几十年来却鲜有评论。本文旨在对 pogo 抑制方法进行广泛回顾，并寻找未来有效和潜在的方法。全面考察了pogo抑制技术的研究和经验，包括无源方案和有源方案。仔细讨论了各种方法的优点和局限性，这表明抑制是系统性的考虑。此外，还详细介绍了液压系统中流体脉动主动控制的进展，期待与pogo应用相结合。