伺服电动缸模拟地震的试验研究
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摘要
将交流伺服电动缸和计算机控制技术相结合,采用三参量闭环运动控制方法实现对交流伺服电动缸运动的精密控制从而实现波形模拟。根据以上方法,利用选定的交流伺服电动缸实现不同加速度等级的正弦波和地震波的模拟输出。结合相关性分析方法,从峰值加速度以及波形的相似度方面分析模拟效果。试验表明在一定的加速度范围内系统的模拟效果良好,模拟极限和模拟效果取决于交流伺服电机的性能、台面荷载以及运动控制方法。交流伺服电机的性能决定模拟的极限加速度和频宽范围,而在伺服电动缸推力范围内台面荷载的变化对波形模拟效果影响不大。
This paper presents how to combine AC servo motor with computer control technology to drive AC servo motor by the method of closed-loop control with three motion parameters.The simulation of several waves which have different accelerations and forms was completed with a small AC servo motor cylinder,then the effect of simulation is analyzed by examining the oscillation amplitude and resemblance of the output waves.Results show that the effect of simulation is decided by the capability of AC servo motor,load of the system and the method of control.The capability of AC servo motor determines the peak of acceleration and the range of frequency.But the load added to the system makes little impact on the effect of simulation if it is under the limited value of the pushing force of AC servo motor cylinder.
This paper presents how to combine AC servo motor with computer control technology to drive AC servo motor by the method of closed-loop control with three motion parameters.The simulation of several waves which have different accelerations and forms was completed with a small AC servo motor cylinder,then the effect of simulation is analyzed by examining the oscillation amplitude and resemblance of the output waves.Results show that the effect of simulation is decided by the capability of AC servo motor,load of the system and the method of control.The capability of AC servo motor determines the peak of acceleration and the range of frequency.But the load added to the system makes little impact on the effect of simulation if it is under the limited value of the pushing force of AC servo motor cylinder.
引文
[1]潘新民,王燕芳.微型计算机控制技术[M.]北京:电子工业出版社,2003
[2]曹承志.微型计算机控制新技术[M].北京:机械工业出版社,2001
[3]窦曰轩.自动控制理论[M.]北京:机械工业出版社,2006
[4]龚仲华.交流伺服驱动从原理到完全应用[M].北京:人民邮电出版社,2010
[5]张宏,李富平.基于PC+运动控制卡的开放式数控系统的研究[J].机械设计与制造,2008(6):171-172(ZhangHong,Li Fuping.Research on open-CNC based on PC andmotor control card[J].Machinery Design&Manufacture,2008(6):171-172(in Chinese))
[6]关键,舒志兵.基于PCI总线的全闭环交流伺服控制系统[J.]机床与液压,2008,36(7):283-285(Guan Jian,Shu Zhibing.Full-closed loop AC servo control systembased on PCI bus[J.]Machine Tool&Hydraulics,2008,36(7):283-285(in Chinese))
[7]王燕华,程文瀼.地震模拟振动台运动控制性能分析[J].振动与冲击,2010,29(2):99-106(Wang Yanhua,Cheng Wenrang.Dynamic property of a shaking tablesimulating earthquake[J.]Journal of Vibration and Shock,2010,29(2):99-106(in Chinese))
[8]田永波.电液伺服地震模拟振动台的数字控制[D.]武汉:武汉理工大学,2004
[9]刘金琨.先进PID控制及其MATLAB仿真[M].北京:电子工业出版社,2003
[10]王济,胡晓.MATLAB在振动信号处理中的应用[M.]北京:中国水利水电出版社,2006
[2]曹承志.微型计算机控制新技术[M].北京:机械工业出版社,2001
[3]窦曰轩.自动控制理论[M.]北京:机械工业出版社,2006
[4]龚仲华.交流伺服驱动从原理到完全应用[M].北京:人民邮电出版社,2010
[5]张宏,李富平.基于PC+运动控制卡的开放式数控系统的研究[J].机械设计与制造,2008(6):171-172(ZhangHong,Li Fuping.Research on open-CNC based on PC andmotor control card[J].Machinery Design&Manufacture,2008(6):171-172(in Chinese))
[6]关键,舒志兵.基于PCI总线的全闭环交流伺服控制系统[J.]机床与液压,2008,36(7):283-285(Guan Jian,Shu Zhibing.Full-closed loop AC servo control systembased on PCI bus[J.]Machine Tool&Hydraulics,2008,36(7):283-285(in Chinese))
[7]王燕华,程文瀼.地震模拟振动台运动控制性能分析[J].振动与冲击,2010,29(2):99-106(Wang Yanhua,Cheng Wenrang.Dynamic property of a shaking tablesimulating earthquake[J.]Journal of Vibration and Shock,2010,29(2):99-106(in Chinese))
[8]田永波.电液伺服地震模拟振动台的数字控制[D.]武汉:武汉理工大学,2004
[9]刘金琨.先进PID控制及其MATLAB仿真[M].北京:电子工业出版社,2003
[10]王济,胡晓.MATLAB在振动信号处理中的应用[M.]北京:中国水利水电出版社,2006
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