全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

振动压路机电液无级调幅控制研究

, PP. 116-121

Keywords: 机械工程,振动压路机,神经网络,无级调幅,快速性,准确性

Full-Text   Cite this paper   Add to My Lib

Abstract:

?通过总结和分析各国现有振动压路机振动轮调幅装置的不足,提出能够实现智能控制的电液无级调幅系统方案,详述了其组成和调幅原理。针对电液调幅系统具有非线性、大时滞的特点,提出了神经网络自适应PID控制策略,将神经网络自适应补偿器与PID控制器并联,补偿系统参数摄动、非线性和外界扰动对系统控制性能的影响,提高系统的响应速度和控制精度。基于DSP芯片TMS320LF2407A设计了硬件控制器,实现了神经网络自适应PID控制的数字化。结果表明:提出的控制策略相比于传统的PID控制在快速性、准确性方面均具有一定的优越性,为开发智能化振动压路机奠定了基础。

References

[1]  LI Bing,JIAO Sheng-jie.Vibratory Roller and Technology of Vibratory Compaction[M].Beijing:China Communications Press,2001.
[2]  ZHAO Tie-shuan,CHEN Xin-xuan.Application Technology of Roller[M].Xi'an:Shaanxi Science and Technology Press,2005.
[3]  WU Ren-zhi.Dynamic Analysis and Power Calculation of Hydraulic System of Vibratory Roller[D].Xi'an:Xi'an Highway University,1989.
[4]  SHA Qing-lin.Compaction and Compaction Standard of Highway[M].Beijing:China Communications Press,1998.
[5]  STRM K J,HGGLUND T.Automatic Tuning of Simple Regulators with Specification on Phase and Amplitude Margins[J].Automatica,1984,20(5):645-651.
[6]  谢亚青.基于MATLAB的智能振动压路机无级调幅液压系统的建模与仿真[J].机床与液压,2009,37(9):256-258.
[7]  洪鲁宾.智能化振动压路机调幅控制系统的设计[J].建筑机械,2006(5):78-80.
[8]  张红春,戴经梁,李小重.智能冲击压路机路基压实度自动检测方法[J].交通运输工程学报,2007,7(5):63-67.
[9]  ZHANG Hong-chun,DAI Jing-liang,LI Xiao-zhong.Compactness Automatic Detecting Method of Subgrade for Intelligent Impact Roller[J].Journal of Traffic and Transportation Engineering,2007,7(5):63-67.
[10]  ZHONG Chun-bin,FENG Zhong-xu,ZHU Wei-min,et al.Dynamic Simulation of Double-frequency and Double-amplitude Composed Vibrating Compaction[J].Journal of Chang'an University:Natural Science Edition,2009,29(1):99-102.
[11]  李 冰,焦生杰.振动压路机与振动压实技术[M].北京:人民交通出版社,2001.
[12]  赵铁栓,陈新轩.压路机运用技术[M].西安:陕西科学技术出版社,2005.
[13]  吴仁智.振动压路机液压系统动态分析及功率计算方法的研究[D].西安:西安公路交通大学,1989.
[14]  沙庆林.公路压实与压实标准[M].北京:人民交通出版社,1998.
[15]  HANG C C,ASTROM K J,HO W K.Refinement of the Ziegler-Nichols Tuning Formula[J].Proceedings IEE Part D,1991,138:111-118.
[16]  ZHUANG M,ATHERTON D P.Automatic Tuning of Optimum PID Controllers[J].Proceedings IEE Part D,1993,140:216-224.
[17]  XIE Ya-qing.Modeling and Simulation of Infinite Variable Amplitude Adjustment Hydraulic System of Intelligent Vibratory Roller Based on MATLAB[J].Machine Tool & Hydraulics,2009,37(9):256-258.
[18]  HONG Lu-bin.Amplitude Control System Design of Vibratory Roller with Intellectual Faculties[J].Construction Machinery,2006(5):78-80.
[19]  钟春彬,冯忠绪,朱伟敏,等.双频双幅合成振动压实的动力学仿真[J].长安大学学报:自然科学版,2009,29(1):99-102.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133