Xianghui Che

Title: Xianghui Che: A Pioneer in GNSS-INS Vehicle Technology

Introduction

Xianghui Che, an innovative inventor based in Shanghai, China, has made significant contributions to the field of navigation technology. With two patents to his name, he has developed groundbreaking methods that enhance vehicle attitude determination and satellite signal processing. His work at Shanghai Huace Navigation Technology Ltd. has positioned him as a key figure in modern navigation systems.

Latest Patents

Xianghui Che's latest patents reflect his commitment to advancing technology. The first, titled "Method of determining GNSS-INS vehicle attitude based on single antenna," introduces a novel approach to determining vehicle attitude using a single GNSS antenna. This method involves strategically mounting the GNSS antenna at the centroid of the vehicle, coupled with an IMU measuring unit installed on the steering shaft. By leveraging positional and velocity information from the GNSS antenna, along with heading angular speed data from the IMU, Che's method calculates the vehicle's attitude angle and heading. This innovative combination capitalizes on the high precision of the IMU gyroscope and the long-term stability of the GNSS antenna to mitigate divergence issues.

The second patent, "Method of dividing satellite signal into eight frequency points for processing," presents a sophisticated method to enhance signal processing efficiency. Che's approach begins with amplifying the satellite signal, followed by dividing it into eight radio frequency points using a power divider circuit. The method conducts frequency mixing and filtering processes to streamline signal processing while effectively reducing power consumption, size, and costs of the hardware involved.

Career Highlights

Xianghui Che has established himself as a crucial asset in the navigation technology industry at Shanghai Huace Navigation Technology Ltd. His contributions to vehicle attitude determination and satellite signal processing are notable achievements that enhance the functionality and reliability of GNSS systems.

Collaborations

Working alongside talented professionals such as Xuefeng Shen and Qiang Ren, Che has fostered a collaborative environment that encourages innovation and technical advancements. Together, they contribute to the cutting-edge developments in the navigation sector.

Conclusion

Xianghui Che exemplifies the spirit of innovation in the field of navigation technology. His patents not only showcase his technical expertise but also pave the way for future advancements that will improve the safety and efficiency of vehicle navigation systems. His ongoing work continues to influence the industry significantly.