Inventor

FOWELL RICHARD A

US34 patents

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

FOWELL RICHARD A

BOEING CO

Mitigation of angular acceleration effects on optical sensor data

Pattern recognition filters for digital images

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

Indirect self-imaging systems and methods

Pixel-frequency slews and filters for star data measurements

System for counteracting a disturbance in a spacecraft

Method and apparatus for reaction wheel dynamic compensation in long-duration deployment of a large reflector

Passive timing of asynchronous IMU attitude 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

Method and apparatus for solar tacking momentum maintenance in long-duration deployment of a large reflector

Method and apparatus for reducing quantization-induced beam errors by selecting quantized coefficients based on predicted beam quality

Reflector deployment error estimation

Fast access, low memory, pair catalog

Method and apparatus for correction of quantization-induced beacon beam errors

HUGHES ELECTRONICS CORP

System and method for enhanced solar array pointing in sun-nadir steering

Laser crosslink satellite attitude determination system and method

Gyroscopic calibration methods for spacecraft

Subterranean target steering strategy

Cooperative control structures and methods for satellite spin axis control

Sun/earth acquisition without thrusters

Controlled-emission solar tabs for attitude solar sailing

Eccentricity control strategy for inclined geosynchronous orbits

Satellite spin reorientation using a single degree of freedom momentum storage device

Satellite spin inversion using a single degree of freedom momentum storage device

Satellite spin vector control with sun sensor

Thermal shock avoidance for satellite solar panels

HUGHES AIRCRAFT CO

Single axis correction for orbit inclination

Satellite spin axis stabilization using a single degree of freedom transverse momentum storage device

Robust resonance reduction using staggered posicast filters

Two-axis attitude correction for orbit inclination

Satellite attitude determination and control system with agile beam sensing

Three axis thruster modulation