Patrick A Nelson

Title: Innovations of Patrick A. Nelson in Gimbal Control Systems

Introduction

Patrick A. Nelson is an accomplished inventor based in Hermosa Beach, California. He has made significant contributions to the field of precision control systems, particularly in the context of spacecraft gimbaled payloads. His innovative work focuses on enhancing the accuracy and reliability of gimbal control mechanisms.

Latest Patents

Patrick A. Nelson holds a patent for "Gimbal disturbance calibration and compensation." This invention presents various embodiments aimed at improving the precision of control systems for spacecraft gimbaled payloads. The innovative technique involves calibrating gimbal disturbances to directly cancel control disturbances. The system includes a receiver for telemetry data, a processor for calculating a disturbance parameter vector, and a transmitter for compensating pointing errors. The gimbal disturbance model incorporates a harness stiffness term, disturbance harmonics term, and friction hysteresis term. The telemetry data, which may include gimbal angle and applied torque data, is time-matched before calculating the disturbance parameter vector.

Career Highlights

Patrick A. Nelson is associated with The Boeing Company, where he applies his expertise in aerospace technology. His work has contributed to advancements in spacecraft control systems, showcasing his commitment to innovation in the aerospace sector.

Collaborations

Throughout his career, Patrick has collaborated with notable colleagues, including Justin Burch and Ketao Liu. These collaborations have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Patrick A. Nelson's contributions to gimbal control systems exemplify the spirit of innovation in aerospace technology. His patent on gimbal disturbance calibration and compensation highlights his dedication to enhancing the precision of spacecraft operations.