A Phased Array Beam Residence Scheduling Method Based on Scheduling Profit and Genetic Algorithm

Abstract

The invention discloses a phased array beam dwell scheduling method based on scheduling revenue and genetic algorithm, which belongs to the field of phased array radar resource management, and in particular relates to a method for implementing adaptive beam dwell scheduling by using task priority and scheduling strategy . Based on the target threat model, the present invention first expresses the target attribute information with a threat degree function, and secondly utilizes the idea of ​​a two-dimensional priority table, and uses the two-dimensional priority table to adopt a non-linear weighting method to calculate the working mode priority, deadline and threat The three parameters are synthesized into the comprehensive priority, which ensures the uniqueness of the comprehensive priority. Then combine it with the effectiveness function of task scheduling to form a new scheduling benefit, and build a scheduling optimization model based on it, which considers pulse interleaving technology, time and energy constraints, and finally uses genetic algorithm to solve this nonlinear optimization problem. The phased array beam dwell scheduling method based on the new scheduling income proposed by the present invention can effectively reduce the loss rate of tasks, increase the realization value rate and correction value rate, and at the same time, the execution threat rate and time utilization rate are also improved.

Description

technical field [0001] The invention belongs to the field of phased array radar resource management, in particular to a method for implementing adaptive beam dwell scheduling by using task priority and scheduling strategy. Background technique [0002] Phased array radar is widely researched and applied at present. Because its beam can be directed at will and can be changed within microseconds, it has multi-function, multi-target and highly adaptive capabilities, and is extremely flexible (see Literature: Zhang Guangyi. Phased Array Radar System [M]. National Defense Industry Press, 1994.). In order to give full play to the combat performance of phased array radar, it is necessary to implement effective beam dwell scheduling. In the radar beam dwell scheduling, the main factors affecting its performance include: assignment of task priority and selection of scheduling strategy. [0003] The allocation of task priority is the basis of beam dwell scheduling. In the traditiona...

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Problems solved by technology

[0005] In view of the problem that the current comprehensive priority allocation method does not combine the three factors of work mode priority, deadline and target threat degree, and the problem that the linear weighting method cannot guarantee the uniqueness of the comprehensive priority of each task, the present invention will comprehensively consider The comprehensive priority assignment method of task work priority, deadline and target threat degree is combined with genetic algorithm to form a phased array beam dwell scheduling method based on new scheduling income and genetic algorithm

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