Company Filing History:
3 out of 1,087 
1 out of 160 Years Active: 2022-2025
Title: Dazhuan Wu: Innovator in Vibration Signal Analysis
Introduction
Dazhuan Wu is a prominent inventor based in Hangzhou, China. He has made significant contributions to the field of vibration signal analysis, particularly in diagnosing mechanical faults. With a total of three patents to his name, Wu's work is characterized by innovative methodologies that enhance the reliability of machinery.
Latest Patents
Wu's latest patents include a gear fault diagnosis method based on joint weighted envelope noise-resistant correlation of sub-signals. This method involves converting an original vibration signal sequence into an envelope signal through a series of computational processes. It reconstructs the envelope signal according to different time intervals to obtain sub-signals, calculates a fault information representation measure, and ultimately identifies gear faults through a characteristic frequency analysis.
Another notable patent is the method for diagnosing rotor rub-impact in rotating machinery. This method utilizes vibration signal deconstruction and frequency modulation characteristic anti-noise enhancement. It converts vibratory acceleration signals into displacement signals, extracts rotating frequency components, and processes the data to diagnose rotor rub-impact faults effectively.
Career Highlights
Dazhuan Wu has worked at Zhejiang University and Zhejiang Lab, where he has been involved in cutting-edge research and development. His expertise in vibration analysis has positioned him as a key figure in the field, contributing to advancements in machinery diagnostics.
Collaborations
Wu has collaborated with notable colleagues, including Bin Huang and Peng Wu. These partnerships have fostered a collaborative environment that enhances innovation and research outcomes.
Conclusion
Dazhuan Wu's contributions to vibration signal analysis and fault diagnosis are invaluable to the field of mechanical engineering. His innovative patents and collaborative efforts continue to influence advancements in machinery reliability and performance.
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