UAV route planning method based on operator cognitive load
A cognitive load and route planning technology, applied in navigation computing tools, three-dimensional position/course control, vehicle position/route/altitude control, etc., can solve the problem of unbalanced operator workload and UAV autonomy, etc. To achieve the effect of ensuring task completion rate, reducing workload and improving task completion
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example 1
[0123] Example 1: When UAVs fly in formation, route planning is required when performing missions.
[0124] Step1: Calculate operator cognitive load
[0125] The UAV obtains the current physiological state of the operator to calculate the cognitive load of the operator. The acquired physiological data and processing of the operator are as follows:
[0126] table 5
[0127]
[0128] The operator's cognitive load calculated by formula (1-1) is 0.72.
[0129] Step2: Calculating the threat cost influence parameter P rc
[0130] Table 8 shows the UAV parameters and corresponding data that need to be obtained.
[0131] Table 6
[0132]
[0133]
[0134] According to formula (1-2), the threat cost influence parameter P is calculated rc is 0.19.
[0135] Step3: Use the improved A* algorithm for route planning
[0136] The influence parameter of the route cost obtained in step2 is 0.19, and the avoidance distance is calculated: D=16.2, and the route is planned by using...
example 2
[0140] Example 2: UAV formation flight, after completing the mission, path planning when returning home.
[0141] Step1: Calculate operator cognitive load
[0142] The UAV obtains the current physiological state of the operator to evaluate the cognitive load of the operator. The obtained physiological parameters of the operator are as follows:
[0143] Table 8
[0144]
[0145] According to formula (1-1), the cognitive load of the current operator is calculated to be 0.14.
[0146] Step2: Calculating the threat cost influence parameter P rc
[0147] Table 11 shows the parameters and corresponding data that need to be obtained
[0148] Table 9
[0149]
[0150] According to formula (1-2), calculate the threat cost influence parameter P rc It is 0.89, indicating that both the operator and the UAV are in good condition.
[0151] Step3: Use the improved A* algorithm for route planning
[0152] According to the influence parameter of the threat cost obtained in Step2 ...
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