http://www.par-solartron.cn/　　Stepper motor is an open-loop control motor that converts electrical pulse signal into angular displacement or linear displacement. It is the main executive component of modern digital control system and has a wide range of applications. . In the case of non-overload, the motor speed, stop position depends only on the pulse signal frequency and the number of pulses, and not affected by load changes, when the stepper drive receives a pulse signal, it drives the stepper motor press The set direction is rotated by a fixed angle, called the "step angle," and its rotation is carried out step by step at a fixed angle. By controlling the pulse number to control the angular displacement, so as to achieve the purpose of accurate positioning; the same time by controlling the pulse frequency to control the motor speed and acceleration of rotation, so as to achieve the purpose of speed.

　　Stepper motor is an induction motor, its working principle is the use of electronic circuits, the DC into a time-sharing power supply, multi-phase sequence control current, with this current for the stepper motor, the stepper motor to work properly, The drive is a step-by-step power supply for the stepper motor, a multi-phase sequence controller.

　　Although the stepper motor has been widely used, but the stepper motor can not be like ordinary DC motor, AC motor used in the routine. It must be double ring pulse signal, power drive circuit and other components of the control system can be used. Therefore, it is not easy to make good use of stepper motors. It involves many specialized knowledge of machinery, motors, electronics and computers. Stepper motor as the implementation of components, is one of the key products of mechanical and electrical integration, widely used in a variety of automated control systems. With the development of microelectronics and computer technology, the demand for stepper motors is increasing day by day, and has applications in various fields of national economy.

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