{"id":2979,"date":"2026-07-05T10:57:29","date_gmt":"2026-07-05T02:57:29","guid":{"rendered":"http:\/\/www.banmayphoto.com\/blog\/?p=2979"},"modified":"2026-07-05T10:57:29","modified_gmt":"2026-07-05T02:57:29","slug":"how-does-the-resonance-suppression-function-work-in-an-ac-servo-drive-4b49-9be2c6","status":"publish","type":"post","link":"http:\/\/www.banmayphoto.com\/blog\/2026\/07\/05\/how-does-the-resonance-suppression-function-work-in-an-ac-servo-drive-4b49-9be2c6\/","title":{"rendered":"How does the resonance suppression function work in an AC Servo Drive?"},"content":{"rendered":"

Hey there! I’m an AC servo drive supplier, and today I wanna chat about how the resonance suppression function works in an AC servo drive. It’s a pretty cool feature that can make a big difference in how well these drives perform, so let’s dive right in. AC Servo Drive<\/a><\/p>\n

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First off, what’s resonance? Well, in simple terms, resonance is when a system vibrates at its natural frequency. In an AC servo drive, this can happen when the mechanical load and the electrical system interact in a way that causes the drive to oscillate. These oscillations can lead to all sorts of problems, like reduced accuracy, increased wear and tear on the components, and even system instability.<\/p>\n

So, how does the resonance suppression function step in to fix these issues? There are a few different ways it can work, and I’ll go through the main ones.<\/p>\n

Frequency Analysis and Filtering<\/h3>\n

One of the key ways the resonance suppression function works is by analyzing the frequency spectrum of the drive’s operation. The servo drive constantly monitors the signals coming from the motor and the load. It looks for any frequencies that are causing resonance.<\/p>\n

Once it identifies these resonant frequencies, it uses filters to dampen them. Think of it like putting a muffler on a noisy engine. These filters can be either hardware or software-based. Hardware filters are physical components that are built into the drive, while software filters are algorithms that are run on the drive’s control system.<\/p>\n

For example, a notch filter is a common type of filter used for resonance suppression. A notch filter is designed to block a specific frequency or a narrow range of frequencies. When the drive detects a resonant frequency, it activates the notch filter to reduce the amplitude of the oscillations at that frequency.<\/p>\n

Adaptive Control<\/h3>\n

Another important aspect of the resonance suppression function is adaptive control. The drive doesn’t just set the filters once and forget about them. Instead, it continuously adjusts the parameters of the filters based on the changing conditions of the system.<\/p>\n

As the load on the drive changes, the resonant frequencies can also change. For instance, if you’re using the servo drive to move a heavy object, the mechanical properties of the system will be different compared to when you’re moving a lighter object. The adaptive control feature allows the drive to detect these changes and adjust the filters accordingly.<\/p>\n

This is really useful because it ensures that the resonance suppression function remains effective over a wide range of operating conditions. It’s like having a smart system that can adapt to different situations on the fly.<\/p>\n

Damping Algorithms<\/h3>\n

In addition to frequency analysis and adaptive control, the resonance suppression function also uses damping algorithms. These algorithms are designed to add a certain amount of damping to the system to reduce the oscillations.<\/p>\n

One common type of damping algorithm is the velocity feedback control. This algorithm measures the velocity of the motor and uses this information to apply a corrective force. If the motor is oscillating, the velocity feedback control will apply a force in the opposite direction to dampen the oscillations.<\/p>\n

Another type of damping algorithm is the torque feedback control. This algorithm measures the torque being applied to the motor and adjusts it to reduce the oscillations. By carefully controlling the torque, the drive can prevent the system from going into resonance.<\/p>\n

Real – World Applications<\/h3>\n

Let’s talk about how the resonance suppression function is useful in real – world applications. One of the most common applications is in industrial automation. In factories, AC servo drives are used to control the movement of robots, conveyor belts, and other machinery.<\/p>\n

If resonance occurs in these systems, it can lead to inaccurate positioning, which can affect the quality of the products being manufactured. For example, in a robotic welding application, if the servo drive controlling the robot’s arm is experiencing resonance, the welds may not be precise, leading to defective products.<\/p>\n

The resonance suppression function helps to ensure that these systems operate smoothly and accurately. It reduces the risk of errors and improves the overall efficiency of the manufacturing process.<\/p>\n

Another application is in the field of CNC (Computer Numerical Control) machining. CNC machines use AC servo drives to control the movement of the cutting tools. Resonance in these systems can cause vibrations in the cutting tool, which can lead to poor surface finish and reduced tool life.<\/p>\n

By using the resonance suppression function, the drive can eliminate these vibrations, resulting in better – quality machined parts and longer tool life.<\/p>\n

Why You Should Consider Our AC Servo Drives<\/h3>\n

As an AC servo drive supplier, I can tell you that our drives have some really advanced resonance suppression features. We’ve spent a lot of time and effort developing these features to ensure that our drives can perform well in a variety of applications.<\/p>\n

Our drives use state – of the – art frequency analysis and filtering techniques. The notch filters in our drives are highly customizable, allowing you to fine – tune them to match the specific resonant frequencies of your system.<\/p>\n

The adaptive control feature in our drives is also very powerful. It can quickly adapt to changes in the load and operating conditions, ensuring that the resonance suppression function remains effective at all times.<\/p>\n

And our damping algorithms are designed to provide optimal damping without sacrificing the performance of the drive. They work seamlessly with the other components of the drive to ensure smooth and stable operation.<\/p>\n

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If you’re in the market for an AC servo drive, I highly recommend considering our products. Our drives can help you improve the accuracy, efficiency, and reliability of your systems. Whether you’re in the industrial automation, CNC machining, or any other industry that uses AC servo drives, our drives can make a big difference.<\/p>\n

DC Servo Drive<\/a> So, if you’re interested in learning more about our AC servo drives and how the resonance suppression function can benefit your applications, don’t hesitate to reach out. We’d be more than happy to have a chat with you and discuss your specific needs. You can contact us to start a procurement discussion, and we’ll work with you to find the best solution for your business.<\/p>\n

References<\/h3>\n