HRR - Task - Assessing and Mitigating the Impact of Transmission Delays on Teleoperations

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Assessing and Mitigating the Impact of Transmission Delays on Teleoperations (Completed)

Last Published: 07/31/19 10:05:33 AM (Central)

Task Book: Entry
Principal Investigator: Adelstein, Bernard

Short Title: Teleops with Delays

Responsible HRP Element: Space Human Factors and Habitability

Collaborating Org(s):

Other:

Funding Status: Completed - Task completed and produced a deliverable

Procurement Mechanism(s):

Directed

Aims:
This task sets out to gain a new understanding of the impact of transmission time delays on teleoperations performance as a function of task difficulty. Task difficulty is experimentally manipulated through the imposition of display-to-control frame rotations, which are representative of misalignments between remote site cameras and the coordinate frame of the operator’s control station. An empirically-based description of how such conditions impact operator/system performance under time delay will be developed and refined through a phased approach that will:

Employ human-in-the-loop (HITL) testing to investigate the dependence of teleoperation task performance degradation on experimentally imposed display-to-control misalignment.
Develop and validate analytic models to predict teleoperation task performance degradation expected for a range of imposed display-to-control misalignments in the absence of time delay.
Employ human-in-the-loop (HITL) testing to investigate the additional effect of transmission time delay, spanning from tens of milliseconds to up to approximately one second.
Develop and validate analytic models that describe teleoperation task performance degradation expected from combined transmission time delay and display-to-control misalignment, and any interactions between these two factors.

Employ human-in-the-loop (HITL) testing to investigate the dependence of teleoperation task performance degradation on experimentally imposed display-to-control misalignment.

The guidelines and performance metrics developed from this research will provide a rational basis for the design and selection of teleoperation tasks to be carried out in the presence of communication delays. These products will in turn assist subsequent task, technology design, and validation experiment decisions regarding acceptable or desirable delay compensation techniques and define at what point to engage more autonomous operational modes. Additional work conducted as part of an extension is intended to contribute new countermeasures and methods for implementing mitigation techniques both for time delay and misaligned camera-to-control conditions. In addition to peer-reviewed publication, we expect our results to augment existing NASA standards/handbooks.
Integration/Unique Aspects:
NASA Human Exploration Telerobotics (HET) Project

Resources (Other)

Deliverables (2)

Category: Study Results
Subcategory: Customer Requested Study or Analysis

Description:
Intermediate Milestones:
FY11: Annual Report to HRP and HET project
FY12: Annual Report to HRP and HET project
FY14: Updated Report to HRP and HET project

Final Deliverable:
FY14: Final Report to HRP and HET project

Internal Customers:
None External Customers:
ARC HET - Human Exploration Telerobotics Mission
Future Exploration Program

Is a Customer-Supplier Agreement (CSA) Required? Yes

Category: Risk Characterization, Quantification
Subcategory: Evidence or Risk Characterization

Description:
Final report with suggested guidelines and recommendations from study results will be delivered to SHFE/SHFH to be considered for addition to appropriate NASA Standards, Evidence Reports and the Human Integration Design Handbook.
This is also an FY13 Office of Management and Budget (OMB) Milestone Report

Internal Customers:
Space Human Factors and Habitability
External Customers:
ARC HET - Human Exploration Telerobotics Mission

Is a Customer-Supplier Agreement (CSA) Required? Yes

Mappings

Risk of Inadequate Design of Human and Automation/Robotic Integration

HARI-02: We need to develop design guidelines for effective human-automation-robotic systems in operational environments that may include distributed, non-colocated adaptive mixed-agent teams with variable transmission latencies. (Previous Title: SHFE-HARI-02)

Assessing and Mitigating the Impact of Transmission Delays on Teleoperations

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PRRs (1)

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Common Item(s)
	Risk of Inadequate Design of Human and Automation/Robotic Integration
	HARI-02: We need to develop design guidelines for effective human-automation-robotic systems in operational environments that may include distributed, non-colocated adaptive mixed-agent teams with variable transmission latencies. (Previous Title: SHFE-HARI-02)