康柏斯(CONVEX)驱动器

康柏斯(convex)驱动器

线性放大器顾名思义输入信号和输出信号成线性关系，线性伺服驱动器（放大器）适用于要求特殊的领域，相比普通pwm开关型伺服驱动器，其特点是：驱动平滑，无力矩纹波，无电磁开关噪音，高带宽，并可驱动超小电感量的电机。

线性伺服驱动器，它特别适用于要求低噪音，安静，对emi/rfi电磁辐射敏感和超平滑运动的应用。另外，线性直流伺服驱动器可以大大减小电机发热，延长有刷电机的电刷寿命。

驱动器可通过按键、跳线对系统进行基本的设置，也可以通过rs232修改系统参数，用户可方便的设定电流极限、动态增益、伺服补偿、偏置量等。使用十分方便。

工作模式：单相电流模式（有刷电机或音圈电机） 接受单端+/-10v模拟输入电流命令，不需反馈信号。驱动器仅有电流环。2相电流模式（3相无刷电机）接受两路+/-10v模拟输入电流命令，驱动器内部生成第三相电流命令。因电流命令包含了换相信号，不需要反馈信号。驱动器仅有电流环。

主要特点：

电噪声低

高带宽

动态soa保护

无失真过零

性能优势：

超净线性输出有效抑制辐射噪声

基于dsp的设计保证性能，可靠性及方便调试

扩展内部保护监测功能提供了可靠的特性

自动均衡特性自动平衡驱动器及负载

所有设定功能数字化，不需分压计来作调整

采用高速串口实现可编程设置

固态存储器保持所有参数

应用领域：

半导体加工设备   

国防工业   

工业自动化   

lcd平板制造   

医药及生物医学研究   

pcb电路板制造业   

超声检测与测量

步进电机驱动器是一种将电脉冲转化为角位移的执行机构。当步进驱动器接收到一个脉冲信号，它就驱动步进电机按设定的方向转动一个固定的角度(称为“步距角”)，它的旋转是以固定的角度一步一步运行的。可以通过控制脉冲个数来控制角位移量，从而达到准确定位的目的；同时可以通过控制脉冲频率来控制电机转动的速度和加速度，从而达到调速和定位的目的。广泛应用于雕刻机、水晶研磨机、中型数控机床、脑电绣花机、包装机械、喷泉、点胶机、切料送料系统等分辨率较高的大、中型数控设备上。

步进电机的相数是指电机内部的线圈组数，常用的有二相、三相、四相、五相步进电机。电机相数

不同，其步距角也不同，一般二相电机的步距角为1.8度、三相为1.2度、五相的为0.72度。在没有细分驱动器时，用户主要靠选择不同相数的步进电机来满足步距角的要求。如果使用细分驱动器，则相数将变得没有意义，用户只需在驱动器上改变细分数，就可以改变步距角。

解决步进驱动器噪音大如下：

a、如步进电机正好工作在共振区，可通过改变减速比提高步进电机运行速度.

b、采用带有细分功能的驱动器，这是最常用的，最简便的方法.因为细分型驱动器电机的相电流变化较半步型平缓.

c、换成步距角更小的步进电机，如三相或五相步进电机，或两相细分型步进电机.

d、换成直流或交流伺服电机，几乎可以完全克服震动和噪声，但成本较高.

e、在电机轴上加磁性阻尼器，市场上已有这种产品，但机械结构改变较大.

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convex线性伺服驱动器

康柏斯(convex)驱动器

韩国convex