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Ran Longjun
Release time:December 3, 2025
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Profile

Addressing critical needs in the field of autonomous navigation and control, my research is dedicated to novel inertial measurement sensing, navigation, and multi-source fusion system technologies and their applications. This work supports national key projects and facilitates transformative applications in related fields. Notably, my achievements in "novel acceleration measurement technology" have been included in a national-level catalog of innovative accomplishments.

Research works have been undertaken with the support of multiple prestigious grants and appointments, including the National Young Talent Support Program Project (2022), National Laboratory Fund (2025), Postdoctoral Special Grant (2023), and Youth Innovation Fund (2021). Serving as the technical lead, Contributing to various major initiatives, such as Major Special Projects of the Science and Technology Committee, Special Programs in Innovation Zones, National Basic Research Projects, and sub-projects under the National Key R&D Program.

Related research outcomes have been published in leading academic journals including IEEE TIM and IEEE Sensors Journal. There had filed over 20 invention patents and were honored with a Ministerial-level First Prize for Scientific and Technological Progress.

Research Field

  1. Novel High-Precision Inertial Sensors

  2. High-Precision, Interference-Immune Laser Detection and Ranging

  3. Inertial & Integrated Navigation

  4. Multi-Source Data Fusion

Paper

  1. C. Zhang, T. Xiao, L. Ran*, Z. Zhu and L. Song, "The Output Nonlinear Mechanism and the Compensation Method of Digital Closed-Loop Quartz Flexible Accelerometer," in IEEE Sensors Journal, vol. 23, no. 18, 2023.

  2. S. Ji, C. Zhang and L. Ran*, "An Attitude Improvement Method of FOG-Based Measurement-While-Drilling Utilizing Backtracking Navigation Algorithm," in IEEE Sensors Journal, vol. 22, no. 22, 2022.

  3. X. Wang, L. Song, L. Ran*, C. Zhang and T. Xiao, "Drift Mechanism and Gain Stabilization of Digital Closed-Loop Quartz Flexible Accelerometer in Start-Up Performance," in IEEE Sensors Journal, vol. 22, no. 19, 2022.

  4. L. Ran, C. Zhang, L. Song* and J. Lu, "The Estimation and Compensation of the Loop-Parameter-Drifting in the Digital Close-Loop Quartz Flexible Accelerometers," in IEEE Access, vol. 8, 2020.

  5. Zhang C , Wang X , Song L , L. Ran*, et al.Temperature Hysteresis Mechanism and Compensation of Quartz Flexible Accelerometer in Aerial Inertial Navigation System[J].Sensors, 2021, 21(1):294.

Research Project

  1. National Young Talent Support Program Project

  2. Advanced Digital Accelerometer Technology

  3. Miniaturized Digital Accelerometer Technology

  4. Inertial Navigation System Design and Integration Technology

  5. Cross coupling effect and novel feedback driving method of quartz accelerometer in high dynamic environment of hypersonic aircraft

  6. Principles and Applications of Inertial (INS) and GNSS/DGNS Combination Technology

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School of Instrumentation Science and Optoelectronic Engineering

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