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Servo motors: precise control for robotics, modelling and manufacturing

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Servo motors control movements precisely and reliably. They are indispensable in industry, robotics and model making when it comes to exact positioning and controlled processes. Discover high-quality models from leading manufacturers such as Pololu and Feetech in our range.

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How do servo motors work? Sensor-based control for maximum precision

The special feature of servo motors is the precise control of position, torque and speed. This is made possible by the following components:

Servo motor: Various motor types such as synchronous, asynchronous, DC or AC motors are possible. The decisive difference to other motors is the integrated sensor for determining the position.
Servo controller: This serves as an interface between the motor and the control system. It converts digital control commands and ensures precise control.

The difference between a stepper motor and a servomotor: precise control vs. repeatable movement

Servo drives enable exact positioning, which is why they are often used in printer rollers or robotic applications.
A stepper motor offers similar functionality, but works without a feedback sensor. While servo motors are particularly suitable for applications requiring the highest precision, stepper motors come into their own in areas where repeatable, step-by-step movement is required, such as 3D printing or CNC technology.

The advantages of servo motors: precise control, low maintenance, long service life

Servo motors offer numerous advantages. They are characterised by their high precision, efficiency and versatility.

Precise control: Exact control over position, torque and speed.
Automated control: Use with software solutions such as servo motors with Arduino.
Cost efficiency: Combination of low acquisition costs, minimal maintenance and a long service life.

Servo motors in industry, robotics and model making – a wide range of applications

Thanks to their precise control and high reliability, servo motors are indispensable components in many technical fields. They enable precise movements in manufacturing and play a central role in robotics and model making.

Manufacturing technology (e.g. printer rollers)
Robotics and automation
Model making (e.g. Tiny Servo Motor)

Servo motors for every need – a wide selection and expert advice

In our shop, you will find a wide range of high-quality servo motors and controllers in a variety of designs. You can find the technical specifications on the respective product pages or get personal advice from our experts.

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Frequently asked questions about servo motors

Do you have any further questions about servo motors and their possible uses? In this section, we answer frequently asked questions about different servo motor types, their functions and the right control. If you require further information or would like individual advice, please contact us. Use our contact form for a personal consultation – we will be happy to help you!

What types of servo motors are there?

Servo motors can be divided into several categories, which differ in their design and function. Here is an overview of the main types:

DC servo motors: These motors work with a DC power source and offer a fast response time and easy control. They are often used in robotics and model making.
AC servo motors: These use alternating current and are particularly suitable for industrial applications where high performance and precision are required.
Synchronous servo motors: These operate with a fixed phase relationship between the rotating field and rotor motion and are characterised by high efficiency and accuracy, making them ideal for automation systems.
Asynchronous servo motors: These motors are often used in variable-speed applications and provide a robust and cost-effective solution for industrial control systems.
Brushless servo motors: These motors have no brushes, making them particularly durable and low maintenance. They are suitable for applications that require high speeds and low friction, such as CNC machines or high-end robotic systems.

What are the main components of a servo motor?

A servo motor consists of several essential components that ensure its precise control and functionality:

Rotor: The moving element of the motor that performs the rotary motion.
Stator: The fixed part of the motor that generates the magnetic field.
Position sensor: Continuously measures the current position of the rotor and sends this data to the servo drive.
Servo drive: The central control unit that evaluates the position data and makes the necessary corrections.
Power stage: Converts electrical signals into the power needed to drive the motor.

How does a servo motor work?

A servo motor works on the principle of closed-loop control. The servo controller receives control commands from a higher-level control unit and converts them into precise movements. At the same time, the position sensor continuously transmits measured values to the controller, which then makes adjustments to maintain the desired position or speed exactly. This enables the servo motor to achieve a high level of precision and stability, even with dynamic loads or changing requirements.

How do you control a servo motor?

A servo motor is controlled by an external control unit that specifies the desired motion sequences. This can be done in a number of ways:

Microcontrollers (e.g. Arduino, Raspberry Pi): These allow flexible and programmable control, often for robotics and automation applications.
Industrial controllers (e.g. PLC systems): These are used in professional manufacturing systems and offer highly precise control.
Manual controllers: These can be used to control a servomotor directly via potentiometers or joysticks.
The control is usually done via pulse width modulation (PWM) to determine the desired position or speed of rotation exactly.
With control systems such as Arduino or other control units, the motor can be controlled precisely.