Xiyuan Chen, an accomplished inventor based in Nanjing, China, has made significant contributions to the field of navigation technology. With a total of seven patents to his name, Chen's work emphasizes innovation and precision, particularly in navigational systems for underwater gliders.

Latest Patents

Among Xiyuan Chen's most recent inventions are two notable patents: a navigation and positioning system for underwater gliders and a dual-filter-based transfer alignment method under dynamic deformation.

The **navigation and positioning system for an underwater glider** features a micro-electro-mechanical system inertial measurement unit, a global positioning system (GPS) receiving module, a triaxial magnetometer, a Doppler velocimeter, and an integrated navigation hardware processing system. This sophisticated system can detect significant navigation errors in real time, prompting the underwater glider to temporarily switch states to perform an up floating error correction. Once the velocity and location errors fall within defined thresholds, the system seamlessly transitions back to its underwater operational state. An innovative H∞ Kalman filter algorithm incorporating an adaptive multiple fading factor ensures the robustness and adaptability of the navigation process for the glider.

The **dual-filter-based transfer alignment method under dynamic deformation** addresses the complications that arise from dynamic deformations affecting transfer alignment accuracy. The method involves dividing the transfer alignment filter into two components. The first estimates the bending deformation and coupling angles using an attitude matching method, while the second calculates the dynamic lever arm through a 'speed plus angular speed' matching method. This advancement significantly enhances the accuracy of navigational systems subjected to dynamic conditions.

Career Highlights

Xiyuan Chen is affiliated with Southeast University, a prominent institution known for its research and development programs. His focus on navigation technology positions him as an influential figure in advancing the capabilities of underwater vehicles. Chen's innovative spirit is reflected in his development of cutting-edge technologies that serve essential functions in various underwater applications.

Collaborations

Throughout his career, Xiyuan Chen has collaborated with talented researchers, including Junwei Wang and Lin Fang, who is an outstanding woman in the field. These collaborations have fostered a rich environment for the exchange of ideas and are pivotal in driving the research forward.

Conclusion

Xiyuan Chen's impressive patent portfolio showcases his dedication to innovation in underwater navigation technology. His inventions not only enhance the performance and reliability of underwater gliders but also pave the way for future advancements in the field. As research continues to evolve, Chen's contributions stand as a testament to the importance of innovation in addressing the challenges faced in underwater navigation systems.

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