Chaojun Xin
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View article: A Novel Analytical Approach for Spacecraft Fly-Around Formation Design with a Low-Thrust Maneuver
A Novel Analytical Approach for Spacecraft Fly-Around Formation Design with a Low-Thrust Maneuver Open
This paper investigates the fly-around formation between the servicer spacecraft and the target spacecraft. Inspired by the spacecraft orbital motion under the Earth’s gravity, an intuitive, analytical guidance law for spatial fly-around f…
View article: Physics-Guided Self-Attention for Metallic Plate Impact Localization With FBG Under Low-Sampling-Rate Constraints
Physics-Guided Self-Attention for Metallic Plate Impact Localization With FBG Under Low-Sampling-Rate Constraints Open
This study presents a physics-informed self-attention neural network for real-time impact localization in metallic structures using Fiber Bragg Grating sensor networks, overcoming the critical Nyquist-rate limitation of conventional time-d…
View article: Research on temperature error compensation method of vehicle-mounted laser gyro SINS
Research on temperature error compensation method of vehicle-mounted laser gyro SINS Open
In order to solve the problem that the measurement accuracy of vehicle-mounted laser gyro strapdown inertial navigation system (SINS) is affected by the temperature change, a temperature error compensation method which can adapt to the ful…
View article: Research on initial alignment method of vehicle-mounted SINS based on reverse navigation
Research on initial alignment method of vehicle-mounted SINS based on reverse navigation Open
In order to improve the alignment accuracy and speed of vehicle-mounted SINS, an initial alignment scheme of “inertial solidification alignment + Kalman filter fine alignment based on reverse navigation” is proposed in this paper. Firstly,…
View article: Technology and test of fiber Bragg grating in composite materials
Technology and test of fiber Bragg grating in composite materials Open
In this process, the processing flow of fiber Bragg grating (FBG) embedded carbon fiber reinforced composites are prepared by means of pressurized film forming and end-surface elicitation. Firstly, the development of composites in aerospac…
View article: Summarization of Vehicle Position and Azimuth Fast Determining Technology
Summarization of Vehicle Position and Azimuth Fast Determining Technology Open
To improve the rapidity, accuracy and autonomy of vehicle position and azimuth determining is an important theme in the development of land launch equipment. Based on this topic, a comprehensive summary is made of the theories and methods …
View article: Current Status of Research on Space Emergency Launch
Current Status of Research on Space Emergency Launch Open
The realization of space rapid emergency launch needs to be developed from rapid response spacecraft, rapid response vehicle and space rapid launch infrastructure, so as to constitute the organic whole of “trinity” and give full play to th…
View article: Application of a New Lorentz Force-type Tilting Control Magnetic Bearing in a Magnetically Suspended Control Sensitive Gyroscope with Cross-Sliding Mode Control
Application of a New Lorentz Force-type Tilting Control Magnetic Bearing in a Magnetically Suspended Control Sensitive Gyroscope with Cross-Sliding Mode Control Open
A magnetically suspended control sensitive gyroscope (MSCSG) is a type of gyroscope with integrated attitude control and attitude angular measurement. The rotor of the MSCSG is a split-type sphere with different radii, so that the external…
View article: Formation control of UAVs based on artificial potential field
Formation control of UAVs based on artificial potential field Open
The problem of UAVs’ formation control in the process of motion is investigated in this paper. A formation control method based on artificial potential field of UAVs is proposed, established on the collision avoidance, aggregation and spee…
View article: Analysis, Modeling and Compensation of Dynamic Imbalance Error for a Magnetically Suspended Sensitive Gyroscope
Analysis, Modeling and Compensation of Dynamic Imbalance Error for a Magnetically Suspended Sensitive Gyroscope Open
Magnetically suspended sensitive gyroscopes (MSSGs) provide an interesting alternative for achieving precious attitude angular measurement. To effectively reduce the measurement error caused by dynamic imbalance, this paper proposes a nove…
View article: Modeling and Analysis of Drift Error in a MSSG with Double Spherical Envelope Surfaces
Modeling and Analysis of Drift Error in a MSSG with Double Spherical Envelope Surfaces Open
To improve the sensing accuracy of the newly developed magnetically suspended sensitive gyroscope (MSSG), it is necessary to analyze the causes of drift error. This paper build the models of disturbing torques generated by stator assembly …
View article: Modeling and Analysis of Drift Error from Stator of A MSSG with Double Spherical Envelope Surfaces
Modeling and Analysis of Drift Error from Stator of A MSSG with Double Spherical Envelope Surfaces Open
For the newly developing magnetically suspended sensitive gyroscope (MSSG) with double spherical envelope surfaces, it is necessary to analyze the causes of drift error to improve sensing accuracy.This paper builds the models of disturbing…