Takeshi Ohnuki

Title: Innovations of Takeshi Ohnuki in Flight Velocity Measurement Systems.

Introduction

Takeshi Ohnuki is a notable inventor based in Mitaka, Japan. He has made significant contributions to the field of aerospace technology, particularly in the development of systems for measuring flight velocity vectors. His work is characterized by innovative approaches that enhance the accuracy and efficiency of flight control systems.

Latest Patents

Takeshi Ohnuki holds a patent for an "Arithmetic processing method and system in a wide velocity range flight velocity vector measurement system using a square truncated pyramid-shape five-hole Pitot probe." This invention involves approximation equations that determine the attack angle (α) and sideslip angle (β) using third-order equations related to pressure coefficients. The method allows for simple calculations by utilizing known numbers, which can be applied without solving complex equations. The coefficients for these calculations are stored in memory, enabling instant Mach number calculations from a lookup table. This innovation provides a high update rate for flight velocity vector measurement, meeting the real-time response requirements of aircraft control systems.

Career Highlights

Takeshi Ohnuki is affiliated with the National Aerospace Laboratory of Science Technology Agency, where he has been instrumental in advancing aerospace measurement technologies. His work has been recognized for its practical applications in improving flight safety and performance.

Collaborations

Takeshi has collaborated with notable colleagues such as Masashi Shigemi and Shigemi Shindo, contributing to various projects that enhance the capabilities of aerospace systems.

Conclusion

Takeshi Ohnuki's innovative work in flight velocity measurement systems exemplifies the importance of advancements in aerospace technology. His contributions continue to influence the field and improve the safety and efficiency of flight operations.