共振式波力能发电装置液压系统可靠性分析与预测
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摘要
共振式波力能发电装置通过控制摆锤刚度,使其与波浪频率一致引发共振,从而高效提取能量的新型发电装置。其液压系统全程参与工作,对装置能否可靠运行起决定作用。针对波力发电的环境和工作特点,建立该发电装置的可靠性数学模型,通过分析可靠性曲线进行可靠性预测;通过定性、定量分析故障树模型找出系统的薄弱环节;通过求解故障搜索策略,找到最优故障搜索次序。为提高该发电装置可靠性,达到在近海稳定、可靠运行的目的,提供了理论基础和实践措施。
Resonant wave power generation device by controlling the pendulum stiffness,cause resonance is consistent with wave frequency,which can extract energy efficiently through resonance with wave. The hydraulic system participates in the whole operation process,playing a crucial role in the reliable operation of power generation devices. According to the environment and working characteristics of the wave power generation,the reliable mathematical model of the power generation device is established. Meanwhile,the reliable predictions could be made by analyzing the reliable curve; the weak link of the system could be found through the qualitative and quantitative analysis of the fault tree model; and the optimal fault search order could be found according to the strategy of solving malfunction searching. Accordingly,theoretical basis and practical measures can be provided to achieve the goals of improving the reliability of the power generation device and making the device operate stably and reliably in the offshore.
Resonant wave power generation device by controlling the pendulum stiffness,cause resonance is consistent with wave frequency,which can extract energy efficiently through resonance with wave. The hydraulic system participates in the whole operation process,playing a crucial role in the reliable operation of power generation devices. According to the environment and working characteristics of the wave power generation,the reliable mathematical model of the power generation device is established. Meanwhile,the reliable predictions could be made by analyzing the reliable curve; the weak link of the system could be found through the qualitative and quantitative analysis of the fault tree model; and the optimal fault search order could be found according to the strategy of solving malfunction searching. Accordingly,theoretical basis and practical measures can be provided to achieve the goals of improving the reliability of the power generation device and making the device operate stably and reliably in the offshore.
引文
[1]蔡元奇.共振式波力能发电装置:中国,CN102287315A[P].2012-05-30.
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[2]蔡元奇,李明方.重力平衡器:中国,CN202157920U[P].2012-03-07.
[3]尚欣欣,陈启卷,陈东,等.一种用于变负载有差调节波浪能发电液压传动系统:中国,CN103925148A[P].2014-07-16.
[4]赵静一,杨璐,戎少峰,等.并行驮桥车液压顶升系统可靠性分析[J].液压与气动,2016(4):8-13.ZHAO J Y,YANG L,RONG S F,et al.Reliability Analysis of Hydraulic Lifting System on Parallel Bridge-transporting Vehicle[J].Chinese Hydraulics&Pneumatics,2016(4):8-13.
[5]ELSAYED A,杨舟译.可靠性工程[M].北京:电子工业出版社,2013.
[6]闻邦椿.现代机械设计实用手册[M].北京:机械工业出版社,2015.
[7]陈东宁,姚成玉,赵静一,等.液压气动系统可靠性与维修性工程[M].北京:化学工业出版社,2014.
[8]曾声奎.可靠性设计分析基础[M].北京:北京航空航天大学出版社,2015.
[9]张根保,张恒,庞继红,等.数控机床液压系统故障溯源及分析[J].计算机应用研究,2012,29(4):1356-1358.ZHANG G B,ZHANG H,PANG J H,et al.Fault Trace and Analysis of Hydraulic System Attached to CNC Maching Tools[J].Application Research of Computers,2012,29(4):1356-1358.