Aircraft Wind-Responsive Stabilization for Hovering Gust Control

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Solution Overview

Problem

Lighter-than-air aircraft face challenges in stabilizing during turbulent conditions, particularly during hovering flights, due to long reaction times, limited effectiveness in stabilizing non-directional gusts, and increased vulnerability during loading/unloading phases, which can lead to severe instabilities and accuracy deterioration.

Innovation Solution

An aircraft equipped with sensors to measure wind at high frequencies, an on-board database associating wind measurements with instructions for actuators, and analysis and control means to determine and send instructions directly to actuators without human validation, enabling real-time stabilization and compensation for wind effects.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If piloting technologies are used to detect and respond to wind variations, then the aircraft can maintain awareness of wind conditions, but the reaction time is too long due to human response delays

Engineering Contradiction:
Improvewind detection reliabilityVSAvoidreaction time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent replaces the mechanical human piloting system with an automated electronic control system that directly connects wind sensors to actuators through a database-driven control algorithm, eliminating human response delays and enabling instantaneous reaction to wind variations

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The aircraft system performs self-stabilization by automatically processing wind measurement data through the database, determining appropriate actuator instructions, and executing corrections without requiring pilot intervention, thereby achieving rapid autonomous response to turbulent conditions

Inventive Principle:
Principle #25Self-service

2Stability of the object's composition

If absorption technologies are used to stabilize flight, then the aircraft can be stabilized in the direction of flight during cruise, but the technology is not effective during hovering flight and only stabilizes in one direction

Engineering Contradiction:
Improveflight stabilityVSAvoidflight regime adaptability
Core Design Contradiction:
Stability of the object's compositionVSAdaptability or versatility

Solution Approach 1:

The patent creates a universal stabilization system that functions effectively across multiple flight regimes (cruise and hovering) and compensates for wind effects in all spatial directions by using a comprehensive database that maps wind conditions to actuator commands for full three-dimensional stabilization

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system dynamically adapts its stabilization strategy based on real-time wind measurements and flight conditions by querying the database for appropriate responses, enabling effective operation during both hovering and cruise flight rather than being limited to a single flight regime

Inventive Principle:
Principle #15Dynamics

3Stability of the object's composition

If traditional stabilization systems are used during hovering flight, then the aircraft can maintain basic stability, but the accuracy of positioning is significantly deteriorated by gusts

Engineering Contradiction:
Improvehovering stabilityVSAvoidpositioning accuracy
Core Design Contradiction:
Stability of the object's compositionVSMeasurement precision

Solution Approach 1:

The patent implements a closed-loop feedback system where wind sensors continuously measure wind conditions, the database determines appropriate corrective actions, and actuators execute real-time compensations that actively counteract gust effects, thereby maintaining both stability and high positioning accuracy during hovering flight

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS11237561B2Aircraft and method of stabilizing an aircraft
Publication Date: 2022.02.01 FLYING WHALES
  • US11237561B2 patent drawing
  • US11237561B2 patent drawing
  • US11237561B2 patent drawing

AI summary

An aircraft is provided, including: at least one sensor for measuring a wind; actuators (motors, control surfaces, etc.); a data base embedded aboard the aircraft, the data base associating various values of wind measurement with various set points for the attention of the actuators. The aircraft furthermore includes a system of analysis and control, arranged so as, or programmed so as:to receive values of wind measurement originating from the at least one sensor;searching, inside the data base, for a correspondence of the wind measurement values originating from the at least one sensor, and determining (as a function of this search) the directives to be dispatched to the actuators, anddispatching these determined directives to the actuators.