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THE DEVELOPMENT TREND OF STEPPER MOTOR

Date: 2018-10-09
Clcik: 334

The motor is a kind of power machinery and power generation equipment widely used by various departments of the national economy. With the rapid development of industrial and agricultural production and the improvement of mechanization automation, the demand and types of motors are also increasing. It is necessary to properly classify the motor due to the wide variety of motors.

 

Recently, with the development and changes of electronic technology, control technology and motor body, the interface between traditional motor classifications has become increasingly blurred. The author believes that this is an inevitable trend of the mechatronics component group. In the case of a conventional stepping motor, the stepping motor can be simply defined as a certain angle (or length) for each change of the excitation state according to the input pulse signal, and a certain position and still if the excitation state is not changed. Motor. In a broad sense, a stepping motor is a brushless DC motor controlled by a pulse signal, and can also be regarded as a synchronous motor whose speed is synchronized with the control pulse frequency in a certain frequency range.

 

The mechanism of the stepper motor is based on the most basic electromagnet action, which originated as the model originated between 1830 and 1860. The attempt to control was started around 1870 and applied to the electrode transport mechanism of the argon arc lamp. This is considered to be the original stepper motor. Since then, stepper motors have been widely used in automatic telephone exchange. It was soon widely used in independent systems such as aircraft that lacked AC power.

 

In the late 1960s, with the development of permanent magnet materials in the body of stepper motors, various practical stepper motors came into being, and the development of semiconductor technology advanced the application of stepper motors in many fields. In the past 30 years, stepper motors have swiftly matured and matured. In terms of development trends, stepper motors can be juxtaposed with DC motors, asynchronous motors, and synchronous motors, making them a basic type of motor.

 

The research and manufacture of stepper motors in China began in the late 1950s. From the late 1950s to the late 1960s, mainly universities and research institutions used or developed a small number of products to study some devices. These products are mainly multi-stage three-phase reactive stepping motors. In the early 1970s, breakthroughs were made in the production and research of stepper motors. In addition to reflecting the significant advances in drive design, the design of the reactive stepper motor body has been developed to a higher level. From the mid-1970s to the mid-1980s, the new high-performance motors were continuously developed. Since the mid-1980s, various hybrid stepping motors and actuators have been widely used as products due to extensive research work on accurate models of stepper motors.


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