High speed high torque realization method of hybrid stepping motor

Abstract

The invention provides a high speed high torque realization method of a hybrid stepping motor, and belongs to the motor control field. A closed loop control way is adopted for control of a 30-pair pole hybrid stepping motor. Position overshoot and oscillation are not expected by a stepping servo system, and then position precision decreasing is prevented. A position control normally adopts a proportional regulator, and the stepping servo is corrected to be an I type system. Under the above mentioned condition, in order to guarantee control precision and reduce deviation during steady state operation, the system adopts feedforward compound controller to compensate following errors of speed control.

Description

A high-speed and high-torque realization method of a hybrid stepping motor technical field The invention relates to the field of motor improvement, in particular to a method for realizing high speed and high torque of a hybrid stepping motor. Background technique Hybrid stepping motors are widely used because of their high operating efficiency and large output torque. For the typical opposite-pole two-phase hybrid stepper motor at the present stage, the damping coefficient is very small when the open-loop control is adopted, and the rotor oscillates violently, especially the intermediate frequency oscillation limits the speed range and dynamic response speed of the motor, and when the open-loop control is used, the rotor There is a risk of stepping out. The application of the open-loop control drive system is limited in the occasions that require a wide range of speed regulation and fast response. The pull-out torque refers to the maximum value of the electromagnetic tor...

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Problems solved by technology

The invention provides a high-speed and high-torque realization method of a hybrid stepping motor, which solves the problem of low high-speed torque of the existing stepping motor

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