Company Filing History:
Years Active: 2018-2020
Title: Innovations of Yuanwei Wu in Activity Tracking Systems
Introduction
Yuanwei Wu is a notable inventor based in Beijing, China. He has made significant contributions to the field of activity tracking systems, holding a total of 2 patents. His work focuses on improving the accuracy of activity detection and step counting through innovative methods and apparatus.
Latest Patents
Yuanwei Wu's latest patents include a "Time and frequency domain based activity tracking system" and a "Time and frequency domain based step counter." The activity tracking system discloses a method and apparatus for activity tracking based on time domain and frequency domain processing. This invention aims to enhance the accuracy of activity detection and step counting by utilizing 3-D accelerometer data. The process begins with sample collection, followed by calibration and filtering of the data. Statistical attributes are extracted from both time domain sensor data and frequency domain transformed data. A classifier is developed using a representative training data set to determine the current activity status. Post-processing is performed to refine the activity detection.
The step counter system comprises a 3-D accelerometer and a pre-processor module. It includes a dominant component computation unit that identifies the dominant component in the accelerometer's output. The step counter utilizes a Fast Fourier Transform (FFT) module and a direct current (DC) remover module to eliminate static components. Additionally, it features a derivative filter and a zero crossing detector to accurately count the number of steps.
Career Highlights
Yuanwei Wu is currently employed at NXP B.V., where he continues to innovate in the field of activity tracking technologies. His work has contributed to advancements in wearable technology and health monitoring systems.
Collaborations
Yuanwei has collaborated with notable coworkers such as Vasanth Reddy Gaddam and Yifeng Zhang, enhancing the development of his innovative projects.
Conclusion
Yuanwei Wu's contributions to activity tracking systems demonstrate his commitment to advancing technology in this field. His patents reflect a deep understanding of sensor data processing and activity detection, paving the way for future innovations.