Dynamic Task Allocation Using Operator Cognitive State Monitoring

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Current human-autonomy teaming systems in urban air mobility and space exploration lack seamless, real-time responsiveness for efficient and safe dynamic allocation of tasks between human operators and autonomous systems, especially in complex and dynamic scenarios, with existing systems being limited to laboratory settings and partially autonomous systems.

Innovation Solution

A method and system that utilize psychophysiological sensors to monitor and assess operator states, dynamically allocate and reallocate tasks between human operators and autonomous systems through a Dynamic Function Allocation Control Collaboration Protocol (DFACCto), incorporating eye-tracking data and machine learning algorithms to predict cognitive states and mitigate risks, enabling collaborative task management between human and automation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If human operators are used in UAM and space exploration systems, then decision-making authority and adaptability are maintained, but operational costs increase and human error risks persist

Engineering Contradiction:
Improvedecision-making authorityVSAvoidhuman error risk
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The system dynamically allocates tasks between human operators and autonomous systems based on real-time assessment of operator cognitive states. When operators are assessed as being in optimal cognitive states, they retain decision-making authority. When cognitive degradation is detected, the system automatically transfers tasks to autonomous systems, creating a dynamic adaptation that resolves the contradiction between human adaptability and error reduction.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes the operational parameter of task allocation based on measured cognitive state parameters. By continuously monitoring psychophysiological indicators and adjusting the degree of automation accordingly, the system transitions between human-controlled and autonomous modes, optimizing both adaptability and reliability through parameter-driven adaptation.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If fully autonomous flight control systems are implemented, then operational costs are reduced and human error is eliminated, but public trust and confidence decrease

Engineering Contradiction:
Improveelimination of human errorVSAvoidpublic trust
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The system incorporates continuous feedback loops where psychophysiological sensors monitor operator states and feed this information back to the task allocation algorithm. This feedback mechanism allows the system to demonstrate human oversight and adaptability, building public trust while maintaining the reliability benefits of autonomous operation. The feedback also enables real-time adjustment of automation levels based on actual operational needs.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system serves multiple functions simultaneously: it operates autonomously to eliminate human error, maintains the capability for human oversight to build public trust, and dynamically adjusts between these modes based on operational context. This multi-functionality allows the system to satisfy conflicting requirements of reliability and adaptability.

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

3Productivity

If dynamic task allocation between human and autonomous systems is implemented, then operational efficiency is improved, but system complexity increases

Engineering Contradiction:
Improveoperational efficiencyVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system replaces complex mechanical or procedural task allocation mechanisms with psychophysiological sensing and machine learning-based cognitive state assessment. By using biological signals (eye-tracking, EEG, GSR) and computational algorithms to automatically determine optimal task allocation, the system achieves operational efficiency without requiring complex manual coordination procedures.

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

Solution Approach 2:

The system performs self-assessment of operator cognitive states through integrated psychophysiological sensors and automatically adjusts task allocation without external intervention. This self-service capability simplifies the overall system architecture by eliminating the need for external monitoring and manual task reallocation, thereby improving efficiency while managing complexity through automation.

Inventive Principle:
Principle #25Self-service

4Measurement precision

If psychophysiological sensors and machine learning algorithms are used to monitor operator states, then real-time task reallocation accuracy is improved, but system complexity and cost increase

Engineering Contradiction:
Improvecognitive state assessment accuracyVSAvoidsensor and algorithm complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system segments the monitoring function into multiple independent psychophysiological sensor channels (eye-tracking, EEG, GSR, heart rate) that can be independently processed and combined. This segmentation allows for modular implementation, where each sensor type contributes specific cognitive state information without requiring a single complex monitoring system, thereby improving measurement precision while managing complexity through modular architecture.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS20240400083A1Method and System for Collaborative Task-Based Allocation Between Human and Autonomous Systems
Publication Date: 2024.12.05 UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR NAT AERONAUTICS & SPACE ADMINISTRATION
  • US20240400083A1 patent drawing
  • US20240400083A1 patent drawing
  • US20240400083A1 patent drawing

AI summary

A method for determining a human operator's visual attention to an operating panel of a vehicle during vehicle operation is described. The method includes: receiving and processing data indicative of the human operator's gaze direction from at least one monitoring device over a period of time; determining, by the processor, an approximate location of the human operator's gaze on the operating panel at different individual times over the period of time; identifying, by the processor, any individual areas-of-interest (AOI) located at each of the determined approximate locations of the human operator's gaze; and calculating, by the processor, a value for at least one metric using at least the determined approximate locations at different individual times and the identification of any individual AOI at the determined approximate locations to determine the human operator's attention to the operating panel.