Henry Ritchie

Title: The Innovative Mind of Henry Ritchie

Introduction

Henry Ritchie is a notable inventor based in Bayside, NY (US). He has made significant contributions to the field of navigation technology. His work focuses on developing systems that enhance the accuracy and reliability of vehicle navigation.

Latest Patents

Henry Ritchie holds a patent for a Passive Navigation System (PNS). This innovative system provides continuous updates of position, velocity, and attitude information of a vehicle without relying on radiating or external navigation aids. The PNS utilizes gravity sensors, gravimetric maps, vertical position, and velocity measurements to compute navigation information accurately. Real-time filtering optimally processes sensor and map data to determine the best position, velocity, and attitude of the vehicle. The system integrates measured gravity gradients and vehicle velocity over time to obtain north, east, and down gravity vector components. These components are combined with corresponding values from a vertical deflection map using a complementary filter. The system's design allows for corrections that make inertial measuring units independent of vertical deflections and gravity anomalies.

Career Highlights

Henry Ritchie is currently employed at Lockheed Martin Corporation, where he continues to innovate in the field of navigation systems. His work has contributed to advancements in technology that enhance vehicle navigation capabilities.

Collaborations

Henry has collaborated with notable coworkers, including Donald L Sumner and Sung-Leung Chew. Their combined expertise has furthered the development of innovative navigation solutions.

Conclusion

Henry Ritchie is a distinguished inventor whose work in passive navigation systems has made a significant impact on vehicle navigation technology. His contributions continue to shape the future of navigation systems.