Guohua Xu

Title: Guohua Xu - Innovator in Helicopter Noise Reduction Technology.

Introduction

Guohua Xu is a prominent inventor based in Jiangsu, China. He has made significant contributions to the field of helicopter noise reduction technology. His innovative approach has led to the development of a unique device aimed at suppressing noise in helicopters.

Latest Patents

Guohua Xu holds a patent for a "Helicopter active noise suppression device integrating sound array and on-propeller control." This invention relates to the technical field of helicopter noise reduction. The device includes an annular loudspeaker array, multiple force exciters, an error microphone, an Active Noise Cancellation (ANC) controller, a cockpit sensor, and an airborne computer. The annular loudspeaker array is strategically arranged at the rotor hub, while unsteady force exciters are positioned at each blade's trailing edge. This configuration constructs a sound field in reverse phase to the original sound wave, effectively counteracting noise and achieving comprehensive noise reduction for helicopters.

Career Highlights

Guohua Xu is affiliated with Nanjing University of Aeronautics and Astronautics. His work at this esteemed institution has allowed him to focus on advancing technologies that enhance the performance and comfort of helicopters. His dedication to innovation is evident in his research and development efforts.

Collaborations

Guohua Xu has collaborated with notable colleagues, including Yongjie Shi and Taihang Ma. Their combined expertise has contributed to the success of their projects and the advancement of helicopter noise reduction technologies.

Conclusion

Guohua Xu's contributions to helicopter noise suppression technology highlight his innovative spirit and commitment to improving aviation. His patent demonstrates a significant advancement in the field, showcasing the potential for quieter and more efficient helicopters.