Joseph M Allard

Title: Joseph M Allard: Innovator in Spacecraft Stationkeeping Technology

Introduction

Joseph M Allard is a notable inventor based in Chiswick, GB. He has made significant contributions to the field of spacecraft technology, particularly in the area of stationkeeping methods. His innovative approach combines open-loop thruster pulses with closed-loop authority limited momentum storage devices.

Latest Patents

Joseph M Allard holds a patent for a "Stationkeeping method utilizing open-loop thruster pulses and closed-loop authority limited momentum storage devices." This invention outlines a stationkeeping mode for spacecraft that employs a gimballed momentum wheel for attitude control. The method divides stationkeeping into short-duration open-loop maneuvers to correct orbital errors, interlaced with closed-loop momentum management operations. This innovative sequence effectively manages momentum stored in the momentum wheel while minimizing limitations on the range and torque capability of the momentum storage device.

Career Highlights

Allard is associated with Hughes Electronics Corporation, where he has applied his expertise in spacecraft technology. His work has been instrumental in advancing the capabilities of spacecraft in maintaining their orbital positions effectively.

Collaborations

Throughout his career, Joseph M Allard has collaborated with notable colleagues, including Michael F Barsky and Thomas M Tanner. These collaborations have contributed to the development of advanced technologies in the aerospace sector.

Conclusion

Joseph M Allard's contributions to spacecraft stationkeeping technology highlight his innovative spirit and dedication to advancing aerospace engineering. His patent reflects a significant step forward in managing spacecraft momentum and attitude control.