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 Encoders are sensors that encode rotation angle and linear displacement. An encoder that detects rotation is called a rotary encoder, and an encoder that detects linear displacement is called a linear encoder.

In fact, because the rotary type is used in most cases, when people say simply an encoder, it often refers to a rotary encoder. In this series, we will basically focus on the rotary encoder.

encoders are used in devices that need to operate quickly with high accuracy. Specifically, it is a device that is powered by a motor. For example, encoders are widely used in industrial robots used in factories such as assembly robots, welding robots, automatic guided machines, and machining centers.

However, most people have never seen the latest factory where industrial robots work all the time

An encoder is a sensor that detects rotation angle or linear displacement.

Encoders are used in devices that need to operate in high speed and with high accuracy.

The method of controlling the motor rotation by detecting the motor rotation speed and rotation angle using an encoder is called feedback control (closed loop method).

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