James Wren

Title: The Innovative Contributions of James Wren in Attitude Control Systems

Introduction: James Wren, an inventor based in Los Alamos, NM, has made significant strides in the field of attitude determination and control systems. With two patents to his name, Wren has developed cutting-edge technologies that enhance the capabilities of space vehicles.

Latest Patents: Wren's two latest patents showcase his expertise in optimizing the performance of space vehicles. The first, an Attitude Determination and Control System (ADCS), incorporates relatively large momentum wheels, also known as reaction wheels, which aid in effective momentum storage. Additionally, it features magnetic torque rods, facilitating low-power sun pointing and managing angular momentum changes during deployment or differential drag. This innovative system allows for algorithmic selection and drive of the momentum wheels and torque rods to perform various maneuvers efficiently.

The second patent, a Compact Star-Field Sensor (SFS), is designed for deployment in small space vehicles. This sensor is characterized by its compact size, lightweight, and low power requirements. Through a combination of advanced hardware, software, and calibration algorithms, the SFS delivers highly accurate attitude information, essential for precise pointing tasks, such as directing a deployable high-gain helical antenna. Notably, it provides a full 'lost in space' attitude solution accurate to about an arcminute in under a minute. The SFS is also fully reprogrammable in-orbit, enabling ongoing algorithm development and adjustment post-launch.

Career Highlights: James Wren is currently employed with Triad National Security, LLC, where he applies his inventive spirit and technical knowledge to advance space technology. His work has positioned him as a notable contributor to the field of space exploration and vehicle control.

Collaborations: Throughout his career, Wren has collaborated with talented professionals such as Nicholas Dallmann and Michael Proicou. Their combined expertise fosters an environment of innovation, leading to groundbreaking developments in their respective fields.

Conclusion: James Wren's contributions through his patents represent a significant advancement in attitude determination and control systems for space vehicles. His innovative designs not only improve vehicle performance but also enhance the functionality required for essential space missions. As he continues his work at Triad National Security, LLC, the impact of his inventions will likely resonate in the realms of aerospace engineering and beyond.