What is stepper motor ? Does it really move step by step? Popular science about stepper motors is here -
A stepper motor is a control motor that converts electrical pulse signals into angular displacement or linear displacement. It is also called a pulse motor and is based on the most basic electromagnet principle. , it is an electromagnet that can rotate freely. Its action principle relies on the change of air gap magnetic conductance to generate electromagnetic torque . It is the main executive element in modern digital program control systems. It is widely used and is widely used in machine tools, 3D printers, laser engraving machines and other equipment.
How to drive the stepper motor? Stepper motor operation requires stepper motor driver , and there are many types of stepper motor drivers. For example: when we learn microcontroller , we will use ULN2003 or MX1508 to drive this small stepper motor. This kind of drive is relatively cumbersome, and the pulse signal timing of each phase must be controlled by ourselves.
There are really a lot of things to learn about the embedded Internet of Things. Don’t learn the wrong route and content, which will cause your salary to go up!
will share an information package with you for free, which costs almost 150 gigabytes. The learning content, interviews, and projects are relatively new and comprehensive! It is estimated that buying a certain fish online will cost at least dozens of dollars.
Click here to find an assistant to get it for 0 yuan:
There is also a stepper motor driver designed using an integrated driver chip, such as TB6600, A4988 and other driver chips. This type of driver has high driving power and is simple to use. The control only needs to provide speed, direction and enable signals, set the driver parameters, and by giving the number of pulses, the stepper motor can rotate at the corresponding angle. There is also a stepper motor that integrates the drive and motor. This type of stepper motor also integrates an encoder. It is generally used in high-precision control situations. This stepper motor can be controlled through serial port communication , or it can be controlled through pulse signals. It is very powerful, but of course, the price is relatively high.
Finally, let’s talk about the advantages and disadvantages of stepper motors:
Advantages: easy to use, excellent start-stop and reverse response; high reliability, the response of the motor is only determined by digital input pulses, so open-loop control can be used.
Disadvantages: It is difficult to run to a higher speed; it is difficult to obtain a larger torque ; there is no advantage in terms of volume and weight, and low energy utilization
article link:
https://mp.weixin.qq.com /s/NHfSwgYQjfTUGJVA-J0j2g
Reprinted from: Darwen said, author Nimo
Article link: 2 minutes to talk about the driver of stepper motor
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-