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Thursday 22 August 2019
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Stepper Motor

Otherwise known as a step motor, a stepper motor refers basically to a brushless electric motor which is otherwise referred to as “BLDC” that is capable of dividing a full rotation into a number of equal steps. When this happens, the position of the motor is then commanded to move without any position sensor for feedback. These stepper motors have been said to have a number of toothed electromagnets that have been arranged around a piece of iron.
Basically, there are three main types of stepper motor motion systems, and they include;

1. Permanent magnet motors; this type of stepper motor makes use of what is referred to as a permanent magnet which is in the rotor and operates the attraction and also the repulsion between the rotor.

2. Variable reluctance; this type of stepper motor has a plain iron rotor at the same time operating based on the recent principle that minimum reluctance takes place with the minimum gap, thus, meaning that the points of the rotor are attracted to the magnet poles.

3. Hybrid synchronous stepper; hybrid synchronous stepper happens to be a combination of variable reluctance and permanent magnet types all with the hope of minimizing power in a very small size.

While there are other types of motion controls, the stepper motor motion system happens to be one of the most popular. Some of the other systems are gantry and gantry system. The general performance of a stepper motor depends entirely on the driver circuit. Since motion controls typically involve the various moving parts of a machine in an arranged or controlled manner. There are a number of components that make the stepper motor and motion control function properly. One of these main components is digital amplifier which transfers control signal into energy that can be presented to the actuator.

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