Runjie Shen

Title: Runjie Shen: Innovator in Vibration Exciter Systems

Introduction

Runjie Shen is a notable inventor based in Hangzhou, China. He has made significant contributions to the field of vibration exciter systems, holding a total of 2 patents. His work focuses on enhancing the performance and functionality of vibration exciter systems through innovative designs and technologies.

Latest Patents

One of Runjie Shen's latest patents is the "Vibration Exciter System with a Feedback Control Unit Based on an Optical Linear Encoder." This system includes a vibration exciter, a signal generator, and a power amplifier. It features an optical linear encoder that converts the displacement of the moving component into A/B pulse signals with a phase difference of 90 degrees. The system also incorporates a filtering, shaping, and level translator unit, a subdivider and orientation recognizer unit, and an analog converter unit. The output from the signal generator and the converted analog signal are processed to drive the vibration exciter effectively.

Another significant patent is the "Electromagnetic Vibration Exciter System with Adjustable Electro-Viscoelastic Suspension Device." This system comprises an electromagnetic vibration exciter, a power amplifier, and an adjustable electro-viscoelastic suspension device. The suspension device includes a displacement sensor, adjustable amplifiers, a differentiator, an adjustable phase shifter, an adder, and a proportioner. This invention allows for excellent linearity in stiffness and damping, with adjustable parameters that can be easily realized.

Career Highlights

Runjie Shen has worked at prestigious institutions such as Zhejiang University and the National Institute of Metrology, P.R. China. His experience in these organizations has contributed to his expertise in the field of vibration exciter systems.

Collaborations

Throughout his career, Runjie Shen has collaborated with notable colleagues, including Wen He and Chunyu Wang. Their combined efforts have further advanced the research and development of innovative technologies in their field.

Conclusion

Runjie Shen is a distinguished inventor whose work in vibration exciter systems has led to significant advancements in technology. His patents reflect a commitment to innovation and excellence in engineering.