Fixed-time anti-saturation grouped cooperative guidance law with state estimations of multiple maneuvering targets |
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| Institution: | 1. ZNDY Ministerial Key Laboratory, School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing University of Science and Technology, Nanjing 210094, China;2. School of Automation and Electrical Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Beijing Beijing, 10083, China;3. School of Mechatronical Engineering, Beijing Institute of Technology, No. 5, South Street, Beijing, Beijing, 100081, China;1. Department of Mathematics, Guizhou University, Guiyang, Guizhou 550025, China;2. Supercomputing Algorithm and Application Laboratory of Guizhou University and Gui’an Scientific Innovation Company, Guizhou University, Guiyang, Guizhou 550025, China;3. Department of Mathematical Analysis and Numerical Mathematics, Faculty of Mathematics, Physics and Informatics, Comenius University in Bratislava, Mlynská dolina, 842 48 Bratislava, Slovakia;4. Mathematical Institute, Slovak Academy of Sciences, ?tefánikova 49, 814 73 Bratislava, Slovakia;1. Key Laboratory of Advanced Process Control for Light Industry (Ministry of Education), School of Internet of Things Engineering, Jiangnan University, Wuxi 214122, PR China;2. School of Automation, Nanjing University of Science and Technology, Nanjing 210094, PR China;1. College of Electrical Engineering, Shenyang University of Technology, No. 111, Shenliao West Road, Economic & Technological Development Zone, Shenyang, PR China;2. College of Computer Science and Engineering, Northeastern University, No. 3-11, Wenhua Road, Heping District, Shenyang, PR China;3. State Grid Shenyang Electric Power Supply Company, No. 94, Bajing Street, Heping District, Shenyang, PR China;4. Neusoft Corporation, No. 94, No.2 Xinxiu Street, Hunnan District, Shenyang 110179, PR China;1. School of Automation Science and Engineering, South China University of Technology, Guangzhou 510641, PR China;2. School of Control Science and Engineering, Shandong University, Jinan 250061, PR China |
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| Abstract: | The problem of a grouped multiple missiles cooperative attack on multiple high maneuvering targets with a limited driving force is achieved by an anti-saturation fixed-time grouped cooperative guidance (FxTCG) law based on a sliding mode fixed-time disturbance observer (SM-FxTDO) in this study. First, the state estimation of each high maneuvering target within a fixed time is achieved by designing a sliding mode fixed-time disturbance observer. Second, the group cooperative guidance law is designed by using fixed-time theory, which can ensure the group consensus of multiple missiles strike times within a fixed time under the condition of input saturation. Then, the fixed time stability of the multi-missiles system is proven by using the bi-limit homogeneous theory and the Lyapunov function. Finally, the simulation results show the superiority of the designed observer and cooperative guidance law. The proposed observer can more effectively and accurately estimate the state of the high maneuvering target than the ESO. The proposed cooperative guidance law expands the number of attack targets and makes each group of multiple missiles attack the corresponding high maneuvering target under the conditions of an input saturation within a fixed time compared to the single-target cooperative law. |
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