Inventor

WU YEONG-WEI A

US34 patents

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

WU YEONG-WEI A

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

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

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

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

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

Pixel-frequency slews and filters for star data measurements

Scale factor calibration and compensation for angular position resolver

Method and apparatus for determining a satellite attitude using crosslink reference signals

Method and apparatus for precision antenna boresight error estimates

Time-of-day tracking with INS input

Refinement of spacecraft angular velocity and attitude estimates using star data

Multiple stayout zones for ground-based bright object exclusion

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

Method and apparatus for on-board autonomous pair catalog generation

Fast access, low memory, pair catalog

Scale factor calibration and compensation for angular position resolver

HUGHES ELECTRONICS CORP

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

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

Method and apparatus for controlling spacecraft attitude with rotational star trackers

System for stellar inertial attitude determination

Star detection and location system

HUGHES AIRCRAFT CO

FLIR boresight alignment

Cyrogenic cooling system with active vibration control

Stirling-cycle cyrogenic cooler using adaptive feedforward vibration control

Apparatus and method for temperature control of a cryocooler by adjusting the compressor piston stroke amplitude

Adaptive feedforward vibration control system and method

HUGHES ELECTRONIC

Viewing apparatus with a counterbalanced and articulated mirror

WU YEONG-WEI A

Method and system for laser based communication