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Documents 基于无线网络的MR阻尼器监控系统研究与实现
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  • Author Author: sophie0love
  • Date Created: 21 Nov 2010 2:48 AM Date Created
  • Last Updated Last Updated: 9 Nov 2021 4:50 PM
  • Views 417 views
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基于无线网络的MR阻尼器监控系统研究与实现

MR阻尼器(磁流变阻尼器)是一种常被用来进行结构振动控制的装置。现有的对MR阻尼器的控制一般为电压型且处于对单台MR阻尼器的控制的状态,不仅缺乏主机系统对阻尼器工作状态的图形化监测,而且阻尼器的工作参数不能被保存下来,不便于对阻尼器的工作状态分析。基于无线网络的MR阻尼器监控系统对多台MR阻尼器控制器进行监测控制,并且将各阻尼器的工作参数保存下来,为工程人员分析阻尼器的状态提供便利,对MR阻尼器的自动化控制有着重要意义。 在研究MR阻尼器的控制原理和控制方法的基础上,根据课题要求提出了基于无线网络的MR阻尼器监控系统的整体控制方案。基于无线网络的MR阻尼器监控系统包括MR阻尼器控制系统和主机监测系统。使用无线通信模块实现MR阻尼器控制系统与监测主机通信。在确定系统结构方案后,选择合适的开发环境和编程方案。 在本文中基于无线网络的MR阻尼器监控系统中MR阻尼器控制系统部分主要介绍单片机信号输入电路、信号输出处理电路、无线通信模块电路以及PWM电流产生电路,并且给出了控制器C8051F040的软件流程图;主机监测系统部分主要介绍无线接收控制器的硬件电路、接收控制器S3C44BOX与主机的硬件电路设计,并且详细介绍了基于S3C44BOX的μC/OS-II的移植过程,以及S3C44BOX利用μC/OS-Ⅱ中多任务功能对各个MR阻尼器控制器数据的采集方式、主机监测软件中Windows API的应用方法,并且给出了S3C44BOX和主机软件的流程图。 控制系统应用闭环控制方式,通过计算机实现各功能的显示、调整和控制,经过实验表明,该控制系统对MR阻尼器的控制达到了设计要求,并且能够在监测主机上显示各MR阻尼器控制器的工作参数,实现了系统运行平稳、控制快速、准确,使用调节方便。

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