What is a servo motor and when is it utilized- running an electric motor is fundamental to any electronic project. When the project needs maximum accuracy, this article is growing to welcome the star: Servo Motor in Bangladesh. Get acquainted (gain, obtain) with present-day techniques that came into play in the robotics and industry sectors that require a very precise form of dynamics.

What is a servo motor?

Additionally, called servos, they are actuation contrivances for the precise control of haste, torque, and position. They have better performance and precision when compared to actions predicated on frequency converters since these do not offer position control and have low efficacy at low speeds.


A servo motor is a contrivance that contains an encoder that converts the mechanical kinetics (turns of the shaft) into digital pulses interpreted by a kinetics controller. It contains a driver; And together, they create a circuit that manages position, torque, and silty

Their main designations are torque and celerity.

Servomotors can be found in camera zooms, hoist doors, or implements we may have at home.

We have mentioned what a servomotor is, but what is it composed of precisely? How does it work? We will optically discern this next.

Components of a servo motor

A servo motor is composed of:

An electric motor: That is in charge of engendering the kinetics through its shaft.

A control system: This system sanctions for control over the motor’s kinetics by sending electric pulses.

A drive system: It is composed of gears that may increase or decrease the celerity and torque.

A potentiometer: It is connected to the central shaft, and apprises at all times the angle at which the motor’s shaft is situated.



Step motors or servo motors?

Utilizing a servo motor implicatively insinuates a dispensable extra cost for some, since there are additional step motors (a more affordable option that offers a precision that is proximate to that of servo motors). So, what is a step motor?


A step motor is an electrical motor, but it does not spin; instead, as its name implicatively insinuates, it moves step-by-step. In other words, they do not spin perpetually; they do so by a concrete number of degrees. PLC/HMI Password Unlock Service. You can check out our post dedicated to step motors and ascertain more in-depth when to utilize them, and for what purport.

So, when do you utilize a servo motor?

Servo motors are considered fundamental to the design and production of robots. These are systems that require precise and controlled mechanical situating. We can visually perceive them in fields such as industrial automation or the growing robotic surgery field.


With the rise of digital servo motors, great progress has been made in terms of control and efficiency. The incrementation in performance results from the control electronics utilizing a microcontroller to do all the work. This fact sanctions more control pulses to be alimented to the motor, incrementing the kinetics precision and performance.


On the other hand, more readings of the potentiometer are made per second, and more efficient and more minute drivers are utilized, which sanction controlling more power with a much more minute circuit. If this wasn’t enough, the microcontroller offers the chance to program certain parameters such as peregrinate, central position, the neutral zone, etc.


Servo motors sanction us to engender all kinds of controlled forms of kinetics and are indubitably a paramount breakthrough when developing incipient technologies.


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