Masashi Shigemi

Title: Masashi Shigemi: Innovator in Flight Velocity Measurement Systems

Introduction

Masashi Shigemi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of flight velocity measurement systems, holding 2 patents that address critical challenges in high-altitude flight.

Latest Patents

Shigemi's latest patents include a high-altitude capable wide velocity range flight velocity vector measurement probe and measurement system. This invention aims to solve the precision drop issues associated with conventional systems that utilize a square pyramid type five-hole probe due to reduced atmospheric pressure at high altitudes. The system is designed to maintain measurement precision and eliminate the effects of detection fluctuations caused by water droplets, ice particles, or dust. The flight velocity vector measurement probe features a static pressure hole in the tube wall, allowing for accurate static pressure value detection. The Mach number is calculated using a fourth-order polynomial equation based on static pressure and total pressure signals, ensuring reliable performance even in abnormal detection scenarios.

Another notable patent involves an arithmetic processing method and system for a wide velocity range flight velocity vector measurement system using a square truncated pyramid-shape five-hole Pitot probe. This system simplifies the calculations for determining attack and sideslip angles through polynomial equations, enabling real-time responses required for flight control.

Career Highlights

Throughout his career, Masashi Shigemi has worked with esteemed organizations such as the National Aerospace Laboratory of Japan and the Japan Aerospace Exploration Agency. His work has significantly advanced the understanding and technology of flight measurement systems.

Collaborations

Shigemi has collaborated with notable colleagues, including Teruomi Nakaya and Shigemi Shindo, contributing to the development of innovative aerospace technologies.

Conclusion

Masashi Shigemi's contributions to flight velocity measurement systems demonstrate his commitment to innovation in aerospace technology. His patents reflect a deep understanding of the challenges faced in high-altitude flight, and his work continues to influence the field significantly.