亨士乐编码器德国原装
一个编码器的性能一般由分辨率来描述，而非测量精度。编码器也许可能将运动非常准确地解析至精密位，但每一位的精度受到待测机器的运动质量的影响。比如，如果机器部件在负载下产生变形、或者传动丝杠上存在0.1 英寸的间隙，在测量时使用一个每圈1000个计数点，输出精度0.001英寸的编码器不会消除这0.1 英寸的误差。编码器只能用来反映位置，无法提高待测轴运动的基本精度。
注意：对于特定的机械设计，某些运动测量误差，如丝杠或齿轮系统中的机械间隙和误差可以通过一些更加*运动控制器进行电子补偿。
系统重复精度：重复精度是指受控机器部件重复定位至行程中同一点的误差。重复精度一般小于系统分辨率，但是比系统精度稍微好些。一个2500个周期、双通道编码器能够产生每转10000个脉冲。通常在使用Dynapar编码器时，该信号放大4倍后的精度会优于±1个计数点。
亨士乐编码器德国原装
编码器应用于运动控制领域的参考指南和教程，包括编码器类型、技术、应用及安装等。此篇文章介绍编码器的类型。
编码器是一种通过响应运动来产生数字信号的传感器，主要分为两种类型：响应旋转运动的旋转编码器和响应直线运动的线性编码器。当与机械传动装置，如齿轮齿条、测量轮或主轴配合使用时，轴编码器也可以用于测量直线运动、速度和位置。编码器具有多种输出方式。增量式编码器在运动时生成一系列脉冲，用于测量速度或被反馈至计数器进行位置跟踪。而值编码器则生成多位数字编码来直接指示当前位置。
编码器用途广泛。它们可作为反馈变送器用于电机速度控制、作为传感器用于测量、切割和定位、作为输入用于速度速
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