Unified Aircraft Command Control Across Hover-to-Flight Transitions
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Solution Overview
Problem
Tilt thrust aircraft present control challenges due to changing forces and moments during transitions between hover and airplane flight regimes, leading to high cognitive workloads for pilots, especially in urban air mobility contexts with frequent short flights and transition periods.
Innovation Solution
A unified command system and method that enables independent control of aircraft operations across flight regimes by translating user inputs into desired aircraft responses, decoupling control axes, and providing consistent control mapping to reduce cognitive workload and prevent modal confusion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual control over tilt angle and thrust is maintained, then pilot control authority is preserved, but cognitive workload increases significantly during transitions between flight regimes
Solution Approach 1:
The flight control system acts as an intermediary between the pilot and the aircraft's propulsion units. The system automatically manages the complex coordination of tilt angle and thrust based on detected flight regimes, while presenting the pilot with simplified control inputs. This mediator approach preserves pilot authority over flight outcomes while eliminating the cognitive burden of direct effector management during transitions.
Solution Approach 2:
The control system dynamically adapts its behavior based on the detected flight regime. During transitions between hover and airplane flight, the system automatically adjusts control mappings and effector priorities to match the current operational context. This dynamic adaptation allows the interface to remain intuitive across different flight phases without requiring the pilot to manually reconfigure control parameters.
2Adaptability or versatility
If tilt thrust aircraft operate in multiple flight regimes, then operational versatility is improved, but control challenges increase due to changing forces and moments
Solution Approach 1:
The control system dynamically adapts its behavior based on the detected flight regime. During transitions between hover and airplane flight, the system automatically adjusts control mappings and effector priorities to match the current operational context. This dynamic adaptation allows the interface to remain intuitive across different flight phases without requiring the pilot to manually reconfigure control parameters.
Solution Approach 2:
The flight control system serves multiple functions across different flight regimes through a single unified interface. The same control inputs produce appropriate aircraft responses whether in hover, transition, or airplane flight modes. This universal control approach eliminates the need for regime-specific control procedures while maintaining full operational versatility across all flight phases.
3Productivity
If frequent transitions between flight regimes occur, then urban air mobility operational efficiency is improved, but pilot cognitive workload increases exponentially
Solution Approach 1:
The system performs preliminary actions by automatically detecting flight regime transitions and pre-adjusting control mappings before the pilot needs to intervene. The flight control system monitors aircraft state parameters and proactively reconfigures control authority distribution as transitions are anticipated, eliminating the need for the pilot to manually manage complex control changes during each transition phase.
Solution Approach 2:
The flight control system serves itself by automatically managing its own configuration during transitions. The system detects when a transition is occurring and autonomously adjusts control mappings, effector priorities, and force interpretations without requiring pilot input or awareness of the underlying control changes. This self-service capability allows frequent transitions to occur without compounding pilot cognitive workload.
Data Source
AI summary
The unified command system and/or method includes an input mechanism, a flight processor that receives input from the input mechanism and translates the input into control output, and effectors that are actuated according to the control output. The system can optionally include: one or more sensors, a vehicle navigation system which determines a vehicle state and/or flight regime based on data from the one or more sensors, and a vehicle guidance system which determines a flightpath for the aircraft.