1 空军工程大学,a.装备管理与无人机工程学院
2 b.研究生院,西安 710000
运用多无人机执行侦察任务具有突出优势，研究多无人机侦察任务分配方法具有重要意义。从多无人机侦察任务分配问题建模与求解两个方面展开综述。首先对经典模型进行介绍并分类，讨论其特点及适用问题; 其次对集中式、分布式、混合式求解方法进行归纳，对代表算法进行介绍，分析其优缺点与应用前景; 最后结合实际需要指出目前多无人机侦察任务分配方法在模型建立、任务分配动态性、任务分配不确定性、任务分配对抗性和大规模任务分配等方面存在的不足以及未来的研究方向。
多无人机 侦察 任务分配 优化算法 multi-UAV reconnaissance task assignment optimization algorithm
1 空军工程大学装备管理与无人机工程学院,西安 710051
2 西安电子科技大学物理与光电工程学院,西安 710071
为提高多无人机动态侦察分配效率,更好地满足现代战争对多无人机动态侦察实时性的要求,建立了多无人机动态侦察资源分配模型。该模型将动态任务分配问题转化为多阶段静态分配问题,利用状态更新方法对各阶段静态分配问题的初始状态进行更新,从而提升整体分配效率。采用改进的人工蜂群算法对该模型进行求解,在选择蜜源阶段采用双向进化以增加种群的多样性,提高了算法的寻优能力。仿真结果表明,动态侦察资源分配模型相较于传统的静态分配模型具有侦察效率高、续航能力强的优势,且更适用于大规模无人机集群作战情况。
多无人机协同 动态侦察 资源分配 任务分配 人工蜂群算法 multi-UAV collaboration dynamic reconnaissance resource allocation task allocation artificial bee colony algorithm
Author Affiliations
Abstract
1 Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China
2 School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, China
3 College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072, China
We theoretically present a concise and tunable dual-band metamaterial absorber composed of a typical metal-dielectric-metal structure in the terahertz regime. The dual-band absorption originates from two different resonance modes induced in one square ring, which is different from the common dual-band absorber composed of a super unit with several different-sized structures. The proposed absorber can realize dynamic tunability through changing the permittivity of the dielectric layer by applying different temperatures. Other good performances, such as a wide incident angle and polarization insensitivity, are also available for the proposed absorber. Such a metamaterial absorber is a promising candidate for terahertz imaging and detection.
230.0230 Optical devices 160.0160 Materials Chinese Optics Letters
2016, 14(10): 102303
