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Zero-range Orientation Closed-loop Guidance Method Based on Neural Network
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Yunpeng LIU1, Jianfeng SHI1, Xudong LIU1, Changjiang WANG2, Huabin LI3
Missiles and Space Vehicles | 2024, 47(4) : 52 - 56
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Missiles and Space Vehicles | 2024, 47(4): 52-56
• Guidance, Navigation and Control •
Zero-range Orientation Closed-loop Guidance Method Based on Neural Network
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Yunpeng LIU1, Jianfeng SHI1, Xudong LIU1, Changjiang WANG2, Huabin LI3
Affiliations
  • 1Beijing Aerospace Automatic Control Institute,Beijing,100854
  • 2Unit 96901,Beijing,100094
  • 3China Academy of Launch Vehicle Technology,Beijing,100076
Published: 2024-08-25 doi: 10.7654/j.issn.2097-1974.20240409
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For solid-engine aircraft, closed-loop guidance methods with energy matching or angle constraints are generally used in the powered flight segment, which have high control accuracy. However, its accuracy is greatly affected by engine performance deviations. Therefore, a zero-range Orientation closed-loop guidance method based on neural network is proposed to reduce the impact of engine performance deviation on the guidance accuracy. Firstly, the motion model of the powered flight segment of the aircraft is established, and the closed-loop guidance of the zero-range Orientation is analyzed and deduced. Secondly, a multi-input neural network algorithm is designed, the input and output parameters are determined, the residual energy, the velocityto be increased and the angle of the zero-range Orientation are trained. Then, the training results of the above neural network with the zero-range Orientation closed-loop guidance are combined. This method enables feedback of different zero-range Orientation angles under different engine deviations. Finally, different deviation states for simulation verification are chosen. The simulation results show that this method can effectively reduce the influence of engine deviation on the guidance accuracy, and has strong anti-bias ability and high guidance accuracy.

zero-range orientation  /  solid motor  /  neural network  /  closed-loop guidance
Yunpeng LIU, Jianfeng SHI, Xudong LIU, Changjiang WANG, Huabin LI. Zero-range Orientation Closed-loop Guidance Method Based on Neural Network[J]. Missiles and Space Vehicles, 2024 , 47 (4) : 52 -56 . DOI: 10.7654/j.issn.2097-1974.20240409
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Article Info
doi: 10.7654/j.issn.2097-1974.20240409
  • Receive Date：2021-10-10
  • Online Date：2025-07-04
  • Published：2024-08-25
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History
  • Received：2021-10-10
  • Revised：2021-12-12
Affiliations
    1Beijing Aerospace Automatic Control Institute,Beijing,100854
    2Unit 96901,Beijing,100094
    3China Academy of Launch Vehicle Technology,Beijing,100076
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