Task allocation method for formation of unmanned aerial vehicles in certain environment

An unmanned aerial vehicle and task allocation technology, applied in the field of unmanned aerial vehicles, can solve the problems of accelerating the convergence speed of modern optimization algorithms and local search ability, and achieve the effect of strengthening local optimization ability, improving search performance and simple operation.

Active Publication Date: 2013-09-04
BEIHANG UNIV
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AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to solve the problems existing in the prior art, to provide a task assignment strategy for unmanned aerial vehicle formations in a certain environment, and to design a strategy based on modern The hybrid optimization strategy of the optimization algorithm accelerates the convergence speed and local search ability of the modern optimization algorithm. The present invention designs the particle representation mode and the speed position upd

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  • Task allocation method for formation of unmanned aerial vehicles in certain environment
  • Task allocation method for formation of unmanned aerial vehicles in certain environment
  • Task allocation method for formation of unmanned aerial vehicles in certain environment

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Embodiment Construction

[0033] The present invention will be described in detail below in conjunction with the drawings and embodiments.

[0034] First, describe the problem to be solved. The task advantage table is as follows figure 1 As shown, the normalized number in the table represents how much capacity the drone (also known as unmanned aerial vehicle) has to perform the task, and the value in the i-th row and j-column represents how much drone i has the ability to perform task j (that is, task Objective j) in the advantage table, defined as C i,j , figure 1 Where i=1,2,…,20; j=1,2,…,10. The purpose of unmanned aerial vehicle formation task assignment is to determine the combination of unmanned aerial vehicles to perform tasks, so as to maximize the execution efficiency of the unmanned aerial vehicle formation.

[0035] The present invention provides a method for assigning unmanned aerial vehicle formation tasks in a certain environment, including the following steps:

[0036] Step 1: Determine the c...

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Abstract

The invention discloses a task allocation method for formation of unmanned aerial vehicles in a certain environment, belonging to the technical field of unmanned aerial vehicles. The task allocation method comprises the following steps of determining a coding sequence of a task allocation algorithm; determining a preponderant function of the unmanned aerial vehicles formed to execute a task; determining a speed update formula and a position update formula of a discrete particle swarm optimization; determining the flow of a tabu search; and determining the flow of hybrid optimization. According to the task allocation method for the formation of the unmanned aerial vehicles in the certain environment, the continuous particle swarm optimization is discretized, the algorithm is simply and conveniently operated on the premise that optimizing property can be guaranteed, and the effectiveness of the discrete particle swarm method is indicated through simulation. According to the task allocation method for the formation of the unmanned aerial vehicles in the certain environment, a supplement strategy of the tabu search algorithm is provided, and the local optimizing capacity of the algorithm is enhanced when the inertia weight [omega] of the particle swarm optimization is larger, i.e. the particle swarm embodies stronger variety, so that the original two algorithms realize complementing each other's advantages, the searching performance can be improved, and the judgment can be verified in multiple groups of simulated tests.

Description

Technical field [0001] The invention belongs to the technical field of unmanned aerial vehicles, and relates to flight formation task allocation technology. Specifically, it refers to an unmanned aerial vehicle formation task allocation method under a certain environment. Background technique [0002] At present, as many as 30 countries have invested a lot of human and financial resources in the research and production of drones. After two decades of development, this technology has become relatively mature and has played a role in various military and civilian fields. Nevertheless, there are some problems when a single UAV performs its mission. For example, a single UAV may be affected by the number of sensors. Restrictions, it is impossible to observe the target area from multiple angles and all directions. When facing a large-area search task, it cannot effectively cover the entire search area; if it is a rescue mission, a single UAV is restricted in terms of load, which is of...

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Application Information

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IPC IPC(8): G06N3/00G06F17/50
Inventor 吴森堂孙健胡楠希杜阳
Owner BEIHANG UNIV
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