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单词 Shaft encoder
释义

Shaft encoder

中文百科

旋转编码器 Rotary encoder

(重定向自Shaft encoder)
一个绝对型编码器
使用格雷码的13比特绝对型编码器,图的上方为其外壳、interrupter disk及光源,图的下方为其传感组件及电子电路
3比特绝对型编码器的接点信号示意图。内圈对应表中的接点1,黑色部份表示ON,右侧为0度,角度依逆时针方向递增
格雷码绝对型编码器的接点信号示意图。内圈对应表中的接点1,黑色部份表示ON,右侧为0度,角度依逆时针方向递增

旋转编码器rotary encoder)也称为轴编码器,是将旋转位置或旋转量转换成模拟或数字信号的机电设备。一般装设在旋转物体中垂直旋转轴的一面。旋转编码器用在许多需要精确旋转位置及速度的场合,如工业控制、机器人技术、专用镜头、电脑输入设备(如鼠标及轨迹球)等。

旋转编码器可分为绝对型(absolute)编码器及增量型(incremental)编码器两种。增量型编码器也称作相对型编码器(relative encoder),利用检测脉冲的方式来计算转速及位置,可输出有关旋转轴运动的信息,一般会由其他设备或电路进一步转换为速度、距离、每分钟转速或位置的信息。绝对型编码器会输出旋转轴的位置,可视为一种角度传感器。

英语百科

Rotary encoder 旋转编码器

(重定向自Shaft encoder)
A Gray code absolute rotary encoder with 13 tracks. At the top,  the housing, interrupter disk, and light source can be seen; at the bottom the sensing element and support components.
Absolute rotary encoder ROQ 425
Rotary encoder for angle-measuring devices marked in 3-bit binary. The inner ring corresponds to Contact 1 in the table. Black sectors are
Rotary encoder for angle-measuring devices marked in 3-bit binary-reflected Gray code (BRGC). The inner ring corresponds to Contact 1 in the table. Black sectors are

A rotary encoder, also called a shaft encoder, is an electro-mechanical device that converts the angular position or motion of a shaft or axle to an analog or digital code.

There are two main types: absolute and incremental (relative). The output of absolute encoders indicates the current position of the shaft, making them angle transducers. The output of incremental encoders provides information about the motion of the shaft, which is typically further processed elsewhere into information such as speed, distance and position.

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更新时间:2025/6/17 23:24:53