System and method for predicting an adequate ratio of unmanned vehicles to operators
First Claim
1. A method for predicting, by a computer decision tool given a plurality of operators, a plurality of unmanned vehicles and a given mission, said computer decision tool including a system performance module, an operator performance module, and a workload module, an adequate ratio of the plurality of unmanned vehicles to the operators, the method comprising the steps of:
- A) determining effectiveness of a user interface by an interface usability decision node;
B) using the results of said step A) to determine whether there is an adequate level of automation by an adequate automation level decision node;
C) using the results of said step B) to determine algorithm efficiency by an algorithm efficiency decision node;
D) using the results of said step C) to determine an operator task management efficiency by an operator task management efficiency decision node;
E) using the results of said step D) to determine an operator decision making efficiency by an operator decision making efficiency decision node;
F) providing, by the system performance module, a system performance status signal responsive to an output from the interface usability decision node, an output from the adequate automation level decision node, and an output from the algorithm efficiency decision node;
G) providing, by the operator performance module, responsive to an output from the task management efficiency decision node and an output from the operator decision making efficiency decision node, an operator performance status signal;
H) providing, by the workload module, a team size decision signal representing the predicted adequate ratio of the unmanned vehicles to the operator, the team size decision signal indicating whether to change a team size of the unmanned vehicles, responsive to an increase team size decision output from an increase team size decision node and responsive to the system performance and operator performance status signals, allowing optimal allocation of unmanned vehicles and operator resources; and
,said step H) occurring before the mission occurs, to allow for deployment of the plurality of operators and the team size sufficient to accomplish the mission.
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Abstract
The present invention is a computer decision tool for use in a system for controlling a team of unmanned vehicles. The computer decision tool includes a system performance model for receiving interface usability, automation level and algorithm efficiency variables and an operator performance model. The operator performance model receives task management efficiency and decision making strategy or DM efficiency variables. The system performance model is responsive to the interface usability, automation level and algorithm efficiency variables for providing a system performance status signal. The operator performance model is responsive to task management efficiency and DM strategy variables for providing an operator performance status signal. An operator capacity decision model is responsive to the system performance and operator performance status signals and a workload variable for providing a decision signal representative of an adequate team size or an optimal recommendation, such as changing the team size.
12 Citations
4 Claims
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1. A method for predicting, by a computer decision tool given a plurality of operators, a plurality of unmanned vehicles and a given mission, said computer decision tool including a system performance module, an operator performance module, and a workload module, an adequate ratio of the plurality of unmanned vehicles to the operators, the method comprising the steps of:
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A) determining effectiveness of a user interface by an interface usability decision node; B) using the results of said step A) to determine whether there is an adequate level of automation by an adequate automation level decision node; C) using the results of said step B) to determine algorithm efficiency by an algorithm efficiency decision node; D) using the results of said step C) to determine an operator task management efficiency by an operator task management efficiency decision node; E) using the results of said step D) to determine an operator decision making efficiency by an operator decision making efficiency decision node; F) providing, by the system performance module, a system performance status signal responsive to an output from the interface usability decision node, an output from the adequate automation level decision node, and an output from the algorithm efficiency decision node; G) providing, by the operator performance module, responsive to an output from the task management efficiency decision node and an output from the operator decision making efficiency decision node, an operator performance status signal; H) providing, by the workload module, a team size decision signal representing the predicted adequate ratio of the unmanned vehicles to the operator, the team size decision signal indicating whether to change a team size of the unmanned vehicles, responsive to an increase team size decision output from an increase team size decision node and responsive to the system performance and operator performance status signals, allowing optimal allocation of unmanned vehicles and operator resources; and
,said step H) occurring before the mission occurs, to allow for deployment of the plurality of operators and the team size sufficient to accomplish the mission. - View Dependent Claims (2)
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3. In a system for controlling a team of unmanned vehicles and at least one operator, a computer decision tool for predicting an optimum ratio of the unmanned vehicles to the at least one operator for a given mission, the computer decision tool comprising:
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a system performance module configured to provide a system performance status signal responsive to an interface usability decision output from an interface usability decision node, an adequate automation decision output from an adequate automation decision node, and an algorithm efficiency decision signal output from an algorithm efficiency decision node; an operator performance module configured to provide an operator performance status signal responsive to a task management efficiency decision output from a task management efficiency decision node and an operator decision making efficiency decision output from an operator decision making efficiency decision node; and
,a workload module configured to provide a team size decision signal representing the predicted adequate ratio of the unmanned vehicles to the operator for the mission, the team size decision signal indicating whether to change a team size of the unmanned vehicles, responsive to an increase team decision output from an increase team decision node and responsive to the system performance and operator performance status signals, allowing optimal allocation of unmanned vehicles and operator resources before the mission occurs. - View Dependent Claims (4)
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Specification