Location History:
- Amherst, MA (US) (2009)
- Nanjing, CN (2019)
Company Filing History:
1 out of 1,552 
1 out of 759 
1 out of 72 
Years Active: 2009-2019
Title: Innovations by Ruqiang Yan
Introduction
Ruqiang Yan is a prominent inventor based in Nanjing, China. He has made significant contributions to the field of mechanical systems, particularly in defect diagnosis and signal processing techniques. His work has led to the development of innovative methods that enhance the reliability and efficiency of mechanical systems.
Latest Patents
Ruqiang Yan holds 2 patents that focus on advanced methodologies for diagnosing defects in mechanical systems. His latest patents include "Methods and apparatuses for defect diagnosis in a mechanical system," which describes multiple methods and corresponding apparatuses for efficient and reliable defect diagnosis in components of mechanical systems. One aspect of this patent utilizes a multi-scale enveloping-order spectrogram to diagnose defects in moving components. Another aspect involves defect identification in motors based on the spectral characteristics of motor current envelopes. Additionally, a logic rule model is employed for diagnosing defects using single- or multi-sensor data. His other patent, "Multi-scale enveloping spectrogram signal processing for condition monitoring and the like," introduces a signal processing technique that decomposes complex, non-stationary signals from machine components into different scales using continuous wavelet transforms. This technique results in a three-dimensional scale-frequency map that indicates the intensity and location of defect-related frequency lines.
Career Highlights
Ruqiang Yan has worked at esteemed institutions such as the University of Massachusetts and the University of Connecticut. His academic and research endeavors have significantly advanced the understanding of mechanical system diagnostics.
Collaborations
Some of his notable coworkers include Robert X Gao and Jinjiang Wang. Their collaborative efforts have contributed to the development of innovative solutions in the field of mechanical engineering.
Conclusion
Ruqiang Yan's contributions to the field of mechanical systems through his patents and research have established him as a key figure in innovation. His work continues to influence the development of reliable diagnostic methods in engineering.