六自由度模拟地震振动台台面控制原理研究
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摘要
对六自由度振动台的自由度(DOF)控制技术作了详细分析,得出其闭环控制传递函数.并指出国内外现有的模拟地震振动台控制系统在不同试验试件特别是柔性试件的系统控制方面还无法在最少迭代次数下获得控制效果,其控制算法有待作进一步研究.
In this paper,DOF control of 6-DOF seismic simulation system is introduced in detail,and the closed-loop transfer function is achieved.In conclusion,national and international seismic simulation control systems in being couldn't get the best control effect with least iterative times for different specimen,especially for flexible specimen.So the control arithmetic of the control system should be improved.
In this paper,DOF control of 6-DOF seismic simulation system is introduced in detail,and the closed-loop transfer function is achieved.In conclusion,national and international seismic simulation control systems in being couldn't get the best control effect with least iterative times for different specimen,especially for flexible specimen.So the control arithmetic of the control system should be improved.
引文
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[14]李阁强,赵克定,袁锐波,等.三类伺服阀控制电液伺服加载系统的分析[J].机床与液压,2005(8):123-125.LI Ge-q iang,ZHAO Ke-d ing,YUAN Ru i-bo,et al.The analysis on the electro-hydrau lic servo load ing system used threed ifferent servo valves[J].M ach ine Tool&Hydrau lics,2005(8):123-125.
[2]方重.模拟地震振动台的近况及其发展[J].世界地震工程,1999,15(2):89-91.FANG Chong.Status quo of earthquake simu lating shak ing tab le and its developm ent[J].W orld Inform atiom on EarthquakeEngineering,1999,15(2):89-91.
[3]方重.大型模拟地震振动台的特殊控制[J].世界地震工程,2000,16(4):106-108.FANG Chong.Spec ial control of the large-scale earthquake simu lator[J].W orld Inform atiom on Earthquake Engineering,2000,16(4):106-108.
[4]赵慧,韩俊伟,张尚盈,等.六自由度并联机器人动力学分析和计算[J].济南大学学报:自然科学版,2003,17(2):114-117.ZHAO Hu i,HAN Jun-we i,ZHANG Shang-ying,et al.Dynam ics analysis and calcu lation of 6-DOF parallel robot[J].Jour-nal of Jinan Un iversity:Natural Sc ience Ed ition,2003,17(2):114-117.
[5]赵新华,解宁,温殿英.并联6自由度平台机构误差识别算法[J].机械工程学报,2000,36(12):25-28.ZHAO X in-hua,X IE N in,WEN D ian-ying.Calibration algorithm for the stewart p latform type m eohan ism[J].Ch ineseJournal ofM echan ical Engineering,2000,36(12):25-28.
[6]李维嘉.六自主度并联运动机构正向解的研究[J].华中理工大学学报,1997,25(4):38-40.LIW e i-jia.A study on the d irect k inem atic solution of stewart p latform s[J].Journal ofHuazhong Un iversity of Sc ience andTechnology,1997,25(4):38-40.
[7]李团结.柔性机构的结构拓扑特征及其自由度分析[J].机械科学与技术,2003,22(1):107-109.LI Tuan-jie.Analysis of the structural topological characteristics and the mob ility of comp liantm echan ism s[J].M echan icalSc ience and Technology,2003,22(1):107-109.
[8]邢继峰,曾晓华,戴余良.协调式六自由度运动平台的运动学分析[J].海军工程大学学报,2000,95(6):15-19.X ING Ji-feng,ZENG X iao-hua,DAI Yu-liang.Analyses of a synergistic six-degree-of-freedom motion base[J].Journal ofNavalUn iversity of Engineering,2000,95(6):15-19.
[9]Tom aso Trombetti.Experim ental analytical approaches to modeling,calibrating and optim izing shak ing tab le dynam ics forstructural dynam ic app lications[M].USA:R ice Un iversity,1998.
[10]许明理.利用校正环节提高三级电液伺服阀动态响应的探讨[J].航空精密制造技术,1997,33(5):33-39.XU M ing-li.D iscussion of improving the three-level electro-hydrau lic controller w ith correction m ethods[J].ExactM anu-facture Technology of the Avigation,1997,33(5):33-39.
[11]朱学彪,陈奎生.对于三级电液伺服阀的新型仿真与研究[J].机床与液压,2005(2):97-98,118.ZHU Xue-b iao,CHEN Ku i-sheng.New stimu lation&research of the three stage servo valve[J].M ach ine Tool&Hydrau-lics,2005(2):97-98,118.
[12]王向周,张先雨,王渝.三级电液伺服阀系统稳定性探讨[J].液压与气动,2001(7):9-11.WANG X iang-zhou,ZHANG X ian-yu,WANG Yu.The approach to stab ility of the 3-stage servo valve[J].Ch inese Hy-drau lics&Pneum atics,2001(7):9-11.
[13]刘昊.D079三级电液伺服阀结构改进的设想[J].物探装备,1998(2):34-35.LIU Hao.Ideas of improving structure on D079 grade-3 electro-hydrau lic valve[J].Eou ipm ent for Geophysical Prospec-ting,1998(2):34-35.
[14]李阁强,赵克定,袁锐波,等.三类伺服阀控制电液伺服加载系统的分析[J].机床与液压,2005(8):123-125.LI Ge-q iang,ZHAO Ke-d ing,YUAN Ru i-bo,et al.The analysis on the electro-hydrau lic servo load ing system used threed ifferent servo valves[J].M ach ine Tool&Hydrau lics,2005(8):123-125.
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