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Frontiers of Information Technology & Electronic Engineering 

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Interval type-2 fuzzy logic based radar task priority assignment method for detecting hypersonic-glide vehicles


Author(s):  Fanqing MENG, Kangsheng TIAN

Affiliation(s):  Department of Graduates, Early Warning Academy, Wuhan 430019, China; more

Corresponding email(s):  maoximengruizhi@126.com, tiankangsheng@tom.com

Key Words:  Hypersonic-glide vehicle (HGV); Phased-array radar; Interval type-2 fuzzy logic system (IT2FLS); Priority assignment


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Fanqing MENG, Kangsheng TIAN. Interval type-2 fuzzy logic based radar task priority assignment method for detecting hypersonic-glide vehicles[J]. Frontiers of Information Technology & Electronic Engineering , 1998, -1(10): .

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Abstract: 
A radar task priority assignment method based on interval type-2 fuzzy logic systems (IT2FLS) was designed with the aim of solving the resource management problem of phased-array radar for detecting hypersonic-glide vehicles (HGVs). The mathematical model of the radar task, and the motion and detection models of HGVs are described in detail. The target threat of an HGV is divided into maneuver, speed, azimuth and distance threats. In the radar task priority assignment method based on IT2FLS, the maneuver factor, speed, azimuth difference, distance and initial priority are input variables. The radar task priority is the output variable. To reduce the number of fuzzy rules and avoid rule explosion, an IT2FLS with hierarchical structure was designed. Finally, the feasibility of the task priority assignment method has been verified by simulation experiment. Simulation results show that the method based on IT2FLS has a higher precise tracking rate, mean initial priority, and target threat degree, and a shorter offset time.

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