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HomeNewsThe working principle of educational robot motor (stepper motor)

The working principle of educational robot motor (stepper motor)

2020-09-12
The working principle of the educational robot motor is to use the principle of electromagnetics to convert electrical energy into mechanical energy and convert electrical pulse signals into an open-loop control stepping motor that uses angular displacement or linear displacement. Stepping motors are widely used in industries, aerospace, robotics, precision measurement and other fields, such as photoelectric theodolites for tracking satellites, military instruments, communications and radars.

In the case of non-overload, the rotational speed and stop position of the educational robot motor only depend on the frequency and pulse number of the pulse signal, and are not affected by load changes.

When the stepper driver receives a pulse signal, it drives to rotate a fixed angle in the set direction, called "step angle", and its rotation runs step by step at a fixed angle.

The educational robot motor can control the angular displacement by controlling the number of pulses, so as to achieve the purpose of accurate positioning; at the same time, it can control the speed and acceleration of the motor rotation by controlling the pulse frequency to achieve the purpose of speed regulation. Generally, the rotor of an educational robot motor is a permanent magnet. When the current flows through the stator winding, the stator winding generates a vector magnetic field. The magnetic field drives the rotor to rotate by an angle, so that the pair of magnetic field directions of the rotor are consistent with the magnetic field directions of the stator. When the vector magnetic field of the stator rotates by an angle, the rotor also rotates by an angle with the magnetic field. Each time an electrical pulse is input, the educational robot motor rotates one step forward. The angular displacement output is proportional to the number of input pulses, and the speed is proportional to the pulse frequency. Changing the sequence of winding energization, the motor will reverse, so the number of pulses, frequency and the energization sequence of each phase winding of the motor can be controlled to control the rotation of the Stepper Motor.

Shenzhen Maintex Intelligent Control Co., Ltd.
Business Type:Manufacturer
Product Range:DC Motor , AC Motor , Stepper Motor
Products/Service:Stepper Motor , Brushless motor , Dc motor , treadmill used motor , Brushed Dc Motor , Fuji motor
Certificate:ISO14001 , ISO/TS16949 , ISO9001 , RoHS
Company Address:Zhengde Science Park, No. 8, Pingdi Street, Longgang District, Shenzhen, Guangdong, China

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