What is an encoder STM32 encoder interface and application programming Encoder is a relatively common product (can also be understood as a sensor), the most common is to work with the motor, so, how much do you know about the encoder?

What is an auto encoder Teach you how to use autoencoder to enhance blurred images Overview What is an auto encoder? How does the autoencoder work? This article will answer these questions. We will explore the concept of auto-encoder through a case-how to improve the resolution of blurred images.

How is the rotary encoder encoded

"Encoding" is a mathematical model, which means that the information is arranged and sent out (Encode) during information transmission, and the receiving end receives the encoding and decoding to obtain the information (Decode).

The mathematical modes of modern coding are 0 and 1 (with and without, on and off, long and short, high and low levels, etc.). For example: the semaphore and light language of the two ships in the voyage, the Morse code (long and short tone) of radio transmission; another example: the CD record and record player of the audio encoder, the DVD, Blu-ray and high-definition TV of the video encoder.. .and many more.

The rotary encoder is to "encode" the current angle information or the rotation angle change information.

Relative

Relative rotary "encoding" refers to the need to encode information and output more than twice, and obtain a relatively changed angle value by comparing the encoding information more than twice. It is also called an incremental encoder.

Among them, the photoelectric incremental encoder expresses the interval change between 1 and 0 through the passage and occlusion of the light of the code disc marking. Such an on-off interval change represents the amount of angle change, like a human pulse , Also called pulse output.

This kind of coded angle information must be rotated to have information change and accumulation, just like a CD record must be rotated to have sound.

Absolute encoder reading The signal output of the absolute value encoder The signal output of the absolute value encoder has parallel output, serial output, bus type output, and transmission integrated output.

Explanation of closed loop control of frequency converter with encoder The frequency conversion control closed loop mainly refers to the speed closed loop.

German heidenhain encoder main function It is a rotary sensor that converts the rotation displacement into a series of digital pulse signals. These pulses can be used to control the angular displacement. If the German heidenhain encoder is combined with a gear pin or a screw screw, it can also be used to measure straight lines. Displacement.

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How to connect the absolute encoder signal to a small PLC ①Canpen bus signal connection, some small PLCs provide Canopen interface, and the selection of Can interface is provided. The characteristic of Canopen signal is strong anti-interference, especially for anti-interference of frequency conversion. Multi-encoder bus type has fast connection speed and is suitable for more Axis multi-motor synchronous control.

How to do the anti-jamming shielding technology of the encoder Electrostatic shielding: Electrostatic shielding is to use a metal with good conductivity such as copper or aluminum as a material to make an all-metal enclosed shell, and connect it to the ground wire, and put the encoder circuit that needs to be shielded in it, so that the power field of the external interference electric field is not Affect its internal circuit. Conversely, the power line generated by the internal circuit of the encoder cannot escape to affect the external circuit.

Magnetic encoder The core technology of the encoder is the way it provides position information. Hengshiro provides two position signal detection technologies: optical principle (using mask and phase array technology) and magnetic principle. The main difference between the two encoders is the way the position signal is collected. Understanding how the two encoders work helps us decide which type of encoder to use.