Guide Star Selection for the Three-FOV Daytime Star Sensor [PDF]
Sensors, 2019 To realize the application of the star sensor in the all-day carrier platform, a three-field-of-view (three-FOV) star sensor in short-wave infrared (SWIR) band is considered.
Liang Wu +4 more
doaj +9 more sources
Optical Parameters Optimization for All-Time Star Sensor [PDF]
Sensors, 2019 As an important development direction of star sensor technology, the All-Time star sensor technology can expand the application of star sensors to flight platforms inside the atmosphere. Due to intense atmospheric background radiation during the daytime,
Wenjie Wang +4 more
doaj +4 more sources
Reliable Fiber Sensor System with Star-Ring-Bus Architecture
Sensors, 2010 This work presents a novel star-ring-bus sensor system and demonstrates its effectiveness. The main trunk of the proposed sensor system is a star topology and the sensing branches comprise a series of bus subnets.
Kuan-Yan Huang +2 more
doaj +5 more sources
Research on Star Sensor Imaging Simulation Under Near-Space Hypersonic Non-Equilibrium Flow Conditions [PDF]
SensorsIn order to address the difficulty in acquiring degraded images for star sensors under hypersonic conditions, this paper proposes a star sensor imaging simulation model which can effectively analyze the influence of thermochemical non-equilibrium flow on
Zhen Liao +7 more
doaj +2 more sources
The Tobit-Unscented-Kalman-Filter-Based Attitude Estimation Algorithm Using the Star Sensor and Inertial Gyro Combination [PDF]
Micromachines, 2023 For the orbit operation of spacecraft, due to environmental factors, a star sensor installed on the spacecraft must have data censoring, which greatly reduces the attitude determination ability of the traditional combined-attitude-determination algorithm.
Xinmei Wang +3 more
doaj +2 more sources
A Dynamic Precision Evaluation Method for the Star Sensor in the Stellar-Inertial Navigation System [PDF]
Scientific Reports, 2017 Integrating the advantages of INS (inertial navigation system) and the star sensor, the stellar-inertial navigation system has been used for a wide variety of applications.
Jiazhen Lu, Chaohua Lei, Yanqiang Yang
doaj +2 more sources
Restoration Method of a Blurred Star Image for a Star Sensor Under Dynamic Conditions [PDF]
Sensors, 2019 Under the dynamic working conditions of a star sensor, motion blur of the star will appear due to its energy dispersion during imaging, leading to the degradation of the star centroid accuracy and attitude accuracy of the star sensor.
Zhiya Mu +7 more
doaj +2 more sources
Sensors, 2021 Attitude update rate is one of the important indicators of star sensor performance. In order to resolve the problem of the low attitude update rate of star sensors, this paper proposes a star sensor attitude update method based on star point correction ...
Longdong He +4 more
doaj +3 more sources
Event-Driven Maximum Correntropy Filter Based on Cauchy Kernel for Spatial Orientation Using Gyros/Star Sensor Integration [PDF]
SensorsGyros/star sensor integration provides a potential method to obtain high-accuracy spatial orientation for turntable structures. However, it is subjected to the problem of accuracy loss when the measurement noises become non-Gaussian due to the complex ...
Kai Cui +5 more
doaj +2 more sources
Local Observability Analysis of Star Sensor Installation Errors in a SINS/CNS Integration System for Near-Earth Flight Vehicles [PDF]
Sensors, 2017 Strapdown inertial navigation system/celestial navigation system (SINS/CNS) integrated navigation is a fully autonomous and high precision method, which has been widely used to improve the hitting accuracy and quick reaction capability of near-Earth ...
Yanqiang Yang, Chunxi Zhang, Jiazhen Lu
doaj +2 more sources