Predictive Maintenance for Wind Turbine Yaw Systems to “Prevent Failures” Using CMFS

The yaw system of wind turbines is constantly subjected to complex loads in harsh environments.
Are you struggling to respond to sudden problems, such as replacing the yaw drive unit or performing emergency repairs on the ring gear?

The root cause of these failures lies in the fact that the loads are “invisible.”
Undetectable loads accumulate, and one day, they suddenly cause an unexpected failure.

Nabtesco’s CMFS (Condition Monitoring System with Failure Avoidance Function) solves this problem at its root.

Continuous load monitoring: Advanced sensor technology visualizes invisible loads in real time
Active load control: Automatically suppresses excessive loads to protect the yaw system

Move from “repairing after a failure” to “preventing failures before they occur.”
Why not achieve maximum uptime and optimize maintenance costs with data-driven “true predictive maintenance”?

Nabtesco provides robust support for the stable operation of your wind power projects.

 

 

 

Notice Regarding New Content on Our Website

We have added “CMFS Equipment Interactive 3D Models” to the Business Overview page and “Office Locations” to the Service Locations page.

“Interactive 3D Models of CMFS Equipment” allows customers to rotate the 3D models to view them from all angles. Please give it a try.

Click here for the Business Overview page

 

 

The “Office Introduction” section allows you to view our actual testing and development environments. Please take a look.

Click here for the Service Locations page

 

 

 

 

 

Notice of Summer Holiday Closure

We would like to express our sincere gratitude for your continued support.
Please be advised that our department will be closed for the Golden Week holidays during the period listed below.

[Holiday Period]
Saturday, August 8, 2026 – Sunday, August 16, 2026
*We will resume normal business operations on Monday, August 17.

[Inquiries Received During the Holiday Period]
We will respond to inquiries received during the holiday period in the order they are received starting Monday, August 17.
We apologize for any inconvenience this may cause and appreciate your understanding.

 

 

 

Recent Activities: “CMFS Demonstration Test Completed”

The one-and-a-half-year demonstration test of the CMFS system on a 3MW-class wind turbine, conducted to evaluate its performance, has been successfully completed.
We would like to express our sincere gratitude to all those involved for their cooperation.
Moving forward, we will strive to expand sales by effectively utilizing the test results to fully meet our customers’ expectations.

 

 

 

 

CMFS for Wind Turbine Pitch and Yaw

During pitch rotation, repeated loads are applied as the system adapts to changing wind conditions; as wear and deterioration progress, this manifests as changes in operational characteristics or abnormal load conditions.
By capturing these changes as data, CMFS supports maintenance decision-making even before a failure becomes apparent.

Watch the video here

 

 

 

Notice Regarding Golden Week Holidays

We would like to express our sincere gratitude for your continued support.
Please be advised that our department will be closed for the Golden Week holidays during the period listed below.

[Holiday Period]
Wednesday, April 29, 2026 – Tuesday, May 5, 2026
*We will resume normal business operations on Wednesday, May 6.

[Inquiries Received During the Holiday Period]
We will respond to inquiries received during the holiday period in the order they are received starting Wednesday, May 6.
We apologize for any inconvenience this may cause and appreciate your understanding.

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Notice Regarding Additions to the Website Structure

Thank you very much for your continued use of our website.
We have recently added a news section to our homepage to enhance your browsing experience.With a layout optimized for smartphones and newly introduced features, accessing information is now even smoother.

We look forward to continuing to provide you with the latest news, and we appreciate your continued support.