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Vibration analysis and control technologies of hydraulic pipeline system in aircraft:A review

Chinese Journal of Aeronautics 2021年第4期34卷 83-114页

作者： Peixin GAO Tao YU Yuanlin ZHANG Jiao WANG Jingyu ZHAI School of Electromechanical and Automotive Engineering Yantai UniversityYantai 264005China School of Mechanical Engineering Dalian University of TechnologyDalian 116024China

Vibrations in aircraft hydraulic pipeline system,due to multi-source excitation of high fluid pressure fluctuation and serious vibration environment of airframe,can cause the pipeline system vibration failures through overload in engineering *** the vibrations in hydraulic pipeline is a challenging work to ensure the flight safety of *** common vibration control technologies have been demonstrated to be effective in typical structures such as aerospace structures,shipbuilding structures,marine offshore structures,motor structures,***,there are few research literatures on vibration control strategies of aircraft hydraulic *** with the development trend of aircraft hydraulic pipeline system and the requirement of vibration control technologies,this paper provides a detailed review on the current vibration control technologies in hydraulic pipeline system.A review of the general approaches following the passive and active control technologies are presented,which are including optimal layout technique of pipeline and clamps,constrained layer damping technique,vibration absorber technique,hydraulic hose technique,optimal pump structure technique,and active vibration control technique of pipeline ***,some suggestions for the application of vibration control technologies in engineering field are given.

关键词： Aircraft hydraulic pipeline Vibration analysis Vibration control Vibration failure

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Dynamic optimization analysis of hydraulic pipeline system based on a developed response surface method

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Mechanical Engineering Science 2020年第2期2卷 7-14,I0004页

作者： Hongquan QU Jianlin SUN Xu YAN Yuanlin ZHANG Xuefeng LIU Tao YU HuaweiHAN Langjun XU School of Electromechanical and Automotive Engineering Yantai UniversityYantai 264005China Yantai CIMC Raffles Offshore Limited Yantai 264670China

When designing a complex pipeline with long distance and multi-supports for offshore platform,it is necessary to analyze the vibration characteristics of the complex pipeline system to ensure that there is no harmful resonance in the working ***,the optimal layout of support is an effective method to reduce the vibration response of hydraulic pipeline *** this paper,a developed dynamic optimization method for the complex pipeline is proposed to investigate the vibration characteristics of complex pipeline with multi-elastic *** this method,the Kriging response surface model between the support position and pipeline is *** position of the clamp in the model is parameterized and the optimal solution of performance index is obtained by genetic *** number of clamps and the interval between clamps are considered as the constraints of layout optimization,and the optimization objective is the natural frequencies of *** a typical offshore pipeline as example to demonstrate the effectiveness of the proposed method,the results show that the vibration performance of the hydraulic pipeline system is distinctly improved by the optimization procedure,which can provide reasonable guidance for the design of complex hydraulic pipeline system.

关键词： hydraulic pipeline Multi-Support Response surface method Optimization analysis

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