How does a motor control system choose the best encoder?
2022-06-29 14:07
When choosing an encoder for a motion control system for a motor, there are many technical terms and the amount of data available can be enormous. Three important concepts worth noting: resolution, accuracy and precision, these terms are independent of each other, each refers to a specific encoder characteristic, they are not interchangeable. Any particular model of encoder can be used within a certain range of resolutions. For example, an encoder has 20 different resolutions ranging from 64 CPR to 10000 CPR. In mathematics, science and engineering, the term "resolution" specifies the smallest distance that can be measured or observed. To make an incremental encoder, manufacturers create a disk with a pattern that divides the disk into different areas . For example, a common pattern consists of lines and windows printed on a transparent disk.
When choosing an encoder for a motion control system for a motor, there are many technical terms and the amount of data available can be enormous. Three important concepts worth noting: resolution, accuracy and precision, these terms are independent of each other, each refers to a specific encoder characteristic, they are not interchangeable. Any particular model of encoder can be used within a certain range of resolutions. For example, an encoder has 20 different resolutions ranging from 64 CPR to 10000 CPR.
In mathematics, science and engineering, the term "resolution" specifies the smallest distance that can be measured or observed. To make an incremental encoder, manufacturers create a disk with a pattern that divides the disk into different areas . For example, a common pattern consists of lines and windows printed on a transparent disk.
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