Advantages of Servo Motors

Servo motors are typically AC synchronous brushless motors with built-in positional feedback. Servo motors are used in closed-loop motion control systems where angular position, speed and torque can be very accurately controlled. The rotor of a servo motor uses permanent magnets and can be infinitely positioned between magnetic poles on the stator by varying the voltage and current between windings.

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Servo motors are well suited to precision to applications where accurate control of motor speed,  position and/or torque is required.

Advantages of Servo Motors

Servo Motors are used throughout many industries and have the following advantages;

• High efficiency
• High output power relative to their size
• More constant torque at higher speed
• Closed-loop control
• Quiet operation
• Highly reliable
• High ratio of torque to inertia
• High acceleration
• High-speed performance
• Torque control
• Smooth running
• High accuracy
• Small in size
• Well suited to varying load applications

What are Servo Motors Used For?

Servo motors can be used in many different applications. The advantages listed above means that servo motors are used more and more in industrial applications to replace conventional AC motors and stepper motors as well as hydraulic and pneumatic systems. There are many applications where servo motors have an advantage. Below are just a few examples:-

• Machine tools where high accuracy is required.
• Robotics applications where high accuracy, power and speed are required and low weight and size is an advantage.
• Conveyer and handling systems where speed and accuracy, as well as high torque, is required.
• Antenna positioning systems typically need high torque and very high accuracy.
• Simulation applications where speed, torque and smoothness are important.
• Renewable energy applications where performance and efficiency are needed.
• Printing Press where accuracy, speed and reliability as well as low cost is an advantage.

Servo motors, due to their brushless design have advantages in applications in harsh and demanding applications such as:-

• Food and beverage where motors have to cope with washdown and temperature fluctuations.
• Defence applications where high shock loads and temperature ranges are seen while high performance is required.
• Subsea and Oil & Gas application where high pressures and temperatures are seen as well as explosion-proof requirements.

Servo Motors from Heason

Our range of servo motors suit many different types of conventional and harsh environments and have been proven time and time again in a wide range of applications. Whatever your requirement, Heason Technology has it covered.

Browse our full range of Servo motors to see other options that we have available. As well as this, our motors product portfolio offers a huge variety of different size and package types.

We also have a wide range of servo and stepper drives which are compatible with our servo motors. This enables us to fulfil the most demanding application requirements, ensuring machines are built faster and to a higher quality.

If you would like to find out more about our range of servo motors, please contact us on +44 (0) 792 300 or .  

With the continuous development of science and technology, robot technology has been widely used in various fields. In the field of robot motion control, servo technology plays an important role. This paper will discuss the application of servo technology in the field of robotics, and analyze the advantages and disadvantages of servo and traditional motors.

&#;&#;the application of servo technology in the field of robotics&#;

Servo technology is a technology that can precisely control the movement of mechanical systems and is often used in applications that require high precision and high performance, such as joint control of robots and automated assembly lines. By constantly monitoring and adjusting the output, the servo system enables the robot to perform various tasks quickly and accurately.

1.1 Position control: The servo system enables high-precision position control, which is particularly important for robotic tasks requiring accurate positioning, such as fine assembly on the production line.

1.2 Trajectory tracking: When the robot executes complex trajectories, the servo system can adjust the motor output in real time to ensure that the robot can move according to the predetermined trajectory and improve work efficiency.

1.3 Force control: Servo technology can also be applied to force control, enabling robots to adapt to different working environments and be safer when working with humans.

&#;&#;the advantages and disadvantages of servo and traditional motor analysis

2.1 Advantages of servo system

2.1.1 High precision: The servo system can achieve very high position control accuracy, which is suitable for robot applications with high motion accuracy requirements.

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2.1.2 Fast response: The servo system has a fast response speed and can quickly adjust the output to meet the flexible movement needs of the robot in a complex environment.

2.1.3 Versatility: The servo system can realize different control modes by adjusting control parameters, including position control, speed control and force control, which improves the scope of application of the robot

2.2 Disadvantages of servo system

2.2.1 Higher cost: Servo systems are more expensive than traditional motors, which can be a constraint in some cost-sensitive applications.

2.2.2 Complexity: The debugging and maintenance of the servo system is relatively complex, requiring professional knowledge and skills, which increases the difficulty of use and maintenance.

2.3 Advantages of traditional motors

2.3.1 Low cost: Compared with the servo system, the manufacturing cost of traditional motors is lower, and it is suitable for some cost-sensitive application scenarios.

2.3.2 Simple and reliable: The structure of the traditional motor is relatively simple, easy to maintain and repair, and has high reliability.

2.4 Disadvantages of traditional motors

2.4.1 Low accuracy: Traditional motors are generally not as accurate as servo systems in position control and are therefore limited in robotic applications that require high precision motion.

2.4.2 Slow speed response: Compared with the servo system, the speed response of the traditional motor is slow, and it is difficult to adapt to some application scenarios that require fast response.

Conclusion:

Considering the advantages and disadvantages of servo technology and traditional motors, it is very important to choose the drive technology suitable for specific application scenarios. Servo systems are suitable for robotic tasks that require high accuracy and performance, while traditional motors have certain advantages in terms of cost and simplicity. As the field of robotics continues to evolve, engineers will choose the right drive technology based on specific needs to achieve smarter and more efficient robotic systems.

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