Inventor

LI RONGSHENG

US56 patents

⚠️ This page may combine multiple inventors who share the name “LI RONGSHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LI RONGSHENG

BOEING CO

Real-time refinement method of spacecraft star tracker alignment estimates

Relative attitude estimator for multi-payload attitude determination

Attitude-acquisition methods and systems for controlled spacecraft attitude

Image-based navigation using quality-assured line-of-sight measurements

Spacecraft methods and structures for acquiring and determining power-safe attitudes

Lost-in-space stellar attitude acquisition using multiple star trackers

Lost-in-space stellar attitude acquisition using multiple star trackers

Integrated global navigation satellite system and inertial navigation system for navigation and tracking

Attitude determination system and method with outer-loop gyro scale-factor non-linearity calibration

Mitigation of angular acceleration effects on optical sensor data

Method for compensating star motion induced error in a stellar inertial attitude determination system

Attitude control methods and systems for multiple-payload spacecraft

Satellite methods and structures for improved antenna pointing and wide field-of-view attitude acquisition

Unified attitude control for spacecraft transfer orbit operations

Spacecraft methods and structures with enhanced attitude control that facilitates gyroscope substitutions

Multi-level/multi-threshold/multi-persistency GPS/GNSS atomic clock monitoring

Estimator for determining updates to an estimated local state vector

Lorentz force velocity sensor system

Position, navigation and timing system architecture based on signals of opportunity

Celestial navigation system and method

Refinement of spacecraft angular velocity and attitude estimates using star data

Combined radio altimeter and doppler radar with surface-mountable antenna array

System and method for autonomous correction of star tracker high spatial frequency (HSF) error

Spacecraft power acquisition method for wing-stowed configuration

Multiple stayout zones for ground-based bright object exclusion

Method and apparatus for real-time star exclusion from a database

Momentum estimator for on-station momentum control

Method and apparatus for on-board autonomous pair catalog generation

Spacecraft methods and systems for autonomous correction of star tracker charge-transfer-efficiency errors

Fast access, low memory, pair catalog

Fault detection, containment, isolation, and response architecture for a position, navigation, and timing (PNT) system

HUGHES ELECTRONICS CORP

Spacecraft attitude determination system and method

Stellar attitude-control systems and methods with weighted measurement-noise covariance matrices

System and method for calibrating inter-star-tracker misalignments in a stellar inertial attitude determination system

Method and apparatus for spacecraft antenna beam pointing correction

Method and apparatus for spacecraft payload pointing registration

System for star catalog equalization to enhance attitude determination

Autonomous gyro scale factor and misalignment calibration

System and method for correcting star tracker low spatial frequency error in stellar-inertial attitude determination systems

Attitude determination system and method

Autonomous attitude acquisition for a stellar inertial attitude determination system

Stable and verifiable state estimation methods and systems with spacecraft applications

System for stellar inertial attitude determination

Spacecraft attitude control systems with dynamic methods and structures for processing star tracker signals

Beacon-assisted spacecraft attitude control systems and methods

BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Earphone case

Earphone

LI RONGSHENG

Modified Kalman filter for generation of attitude error corrections

Software GNSS receiver for high-altitude spacecraft applications

WANG H GRANT

Unified attitude control for spacecraft transfer orbit operations