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交流伺服驱动系统介绍


放大字体  缩小字体 发布日期：2018-03-11

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normal style="MARGIN: 1px 0cm 1px 18pt; TEXT-INDENT: -18pt; LINE-HEIGHT: 150%; tab-stops: list 18.0pt; mso-list: l23 level1 lfo13" align=left>    一、交流伺服驱动系统的组成

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normal style="MARGIN: 1px 0cm 1px 18pt; TEXT-INDENT: -18pt; LINE-HEIGHT: 150%; tab-stops: list 18.0pt; mso-list: l23 level1 lfo13" align=left>    一般闭环伺服系统的结构是一个三环结构系统，外环是位置环，中环是速度环，内环为电流环。

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normal style="MARGIN: 1px 0cm 1px 18pt; TEXT-INDENT: -18pt; LINE-HEIGHT: 150%; tab-stops: list 18.0pt; mso-list: l23 level1 lfo13" align=left>    二、闭环位置控制的实现

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    插补程序输出ΔX，新的指令位置X+ΔX与计数器中的实际位置XF进行比较，其差值经增益放大，并由D/A转换为模拟电压，使工作台向误差减小的方向移动。

 

    三、交流伺服电动机（简单回顾，注意与《数控机床伺服控制》课程的衔接）

 

    1、结构(永磁同步电机) 主要由：定子、转子和检测元件等几部分组成。

 

 

 

    2、工作原理

 

 

    3、主要特性参数

  • normal style="MARGIN: 1px 0px; WORD-SPACING: 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left>额定功率

  • normal style="MARGIN: 1px 0px; WORD-SPACING: 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left>额定转矩

  • normal style="MARGIN: 1px 0px; WORD-SPACING: 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left>额定转速

  • normal style="MARGIN: 1px 0px; WORD-SPACING: 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left>瞬时最大转矩

  • normal style="MARGIN: 1px 0px; WORD-SPACING: 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left>最高转速

  • normal style="MARGIN: 1px 0px; WORD-SPACING: 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left>电动机转子惯量

normal style="MARGIN: 1px 0px; WORD-SPACING: 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=center>    四、位置检测元件（1、2简单回顾，注意与《数控机床伺服控制》课程的衔接）

normal style="MARGIN: 1px 0px; WORD-SPACING: 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left> 

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normal style="MARGIN: 1px 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left>    通常由光电码盘4、光源5、透镜6、光栅板7、光敏元件8等元件组成。

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normal style="MARGIN: 1px 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left>    五、进给伺服系统的连接

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    1、模拟式伺服系统连接

normal style="MARGIN: 1px 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left>    SINUMERIC 810数控系统、SIMODRIVE 611A进给驱动模块、1FT5伺服电机之间的连接。

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normal style="MARGIN: 1px 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left>    2、伺服系统的参数

normal style="MARGIN: 1px 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left>    1）速度环  

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normal style="MARGIN: 1px 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left>    测速反馈深度

normal style="MARGIN: 1px 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left>    滞后时间常数

normal style="MARGIN: 1px 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left>    2）位置环

normal style="MARGIN: 1px 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left>    增益

normal style="MARGIN: 1px 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left>    精停和粗停允差

normal style="MARGIN: 1px 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left>    反向间隙补偿 

normal style="MARGIN: 1px 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left>    丝杠螺距误差补偿

normal style="MARGIN: 1px 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left> 

normal style="MARGIN: 1px 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left>    3、全数字式伺服系统

normal style="MARGIN: 1px 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left> 

normal style="MARGIN: 1px 0px; TEXT-INDENT: 0px; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt" align=left>    CNC系统与伺服驱动之间传递的信息包括：位置、速度、扭矩等，伺服驱动装置本身具有位置反馈与位置控制功能，可独立完成位置控制。

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