Initial-Condition-Aware Polynomial Guidance with Impact Time and Angle Constraints
With the growing application demands for cooperative guidance systems, the ITAC guidance law has undergone rapid technological advancement in recent research developments. However, existing ITAC methods often overlook the critical issue of command discontinuity during the midcourse-to-terminal guida...
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| Published in: | Aerospace Vol. 12; no. 6; p. 484 |
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| Main Authors: | , , , |
| Format: | Journal Article |
| Language: | English |
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01.06.2025
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| ISSN: | 2226-4310, 2226-4310 |
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| Abstract | With the growing application demands for cooperative guidance systems, the ITAC guidance law has undergone rapid technological advancement in recent research developments. However, existing ITAC methods often overlook the critical issue of command discontinuity during the midcourse-to-terminal guidance handover stage. To address this gap, this study proposes a novel fifth-order polynomial guidance law that simultaneously incorporates initial conditions (flight path angle and acceleration) and ensures precise ITAC performance. The method analytically derives polynomial coefficients from boundary constraints and transforms them into a computationally efficient closed-loop guidance law. Additionally, a positional error compensation term is derived to enable the practical realization of the proposed guidance law. Numerical simulations demonstrate the advantages of the proposed guidance law compared to existing methods. The results confirm that the fifth-order polynomial guidance law effectively resolves midcourse-terminal handover challenges while maintaining computational efficiency, offering a viable solution for cooperative guidance systems that require ITAC capability. |
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| AbstractList | With the growing application demands for cooperative guidance systems, the ITAC guidance law has undergone rapid technological advancement in recent research developments. However, existing ITAC methods often overlook the critical issue of command discontinuity during the midcourse-to-terminal guidance handover stage. To address this gap, this study proposes a novel fifth-order polynomial guidance law that simultaneously incorporates initial conditions (flight path angle and acceleration) and ensures precise ITAC performance. The method analytically derives polynomial coefficients from boundary constraints and transforms them into a computationally efficient closed-loop guidance law. Additionally, a positional error compensation term is derived to enable the practical realization of the proposed guidance law. Numerical simulations demonstrate the advantages of the proposed guidance law compared to existing methods. The results confirm that the fifth-order polynomial guidance law effectively resolves midcourse-terminal handover challenges while maintaining computational efficiency, offering a viable solution for cooperative guidance systems that require ITAC capability. |
| Audience | Academic |
| Author | Fan, Shipeng Wang, Jiang Wang, Yadong Duan, Xinyao |
| Author_xml | – sequence: 1 givenname: Xinyao surname: Duan fullname: Duan, Xinyao – sequence: 2 givenname: Jiang surname: Wang fullname: Wang, Jiang – sequence: 3 givenname: Yadong surname: Wang fullname: Wang, Yadong – sequence: 4 givenname: Shipeng surname: Fan fullname: Fan, Shipeng |
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| Cites_doi | 10.2514/1.G007122 10.2514/6.2022-2040 10.1109/TCST.2011.2169795 10.2514/1.G001618 10.2514/1.G003279 10.1109/TCST.2005.863655 10.2514/1.G003343 10.2514/6.2024-2207 10.1016/j.cja.2013.04.037 10.2514/1.G005250 10.1109/TAES.2007.357135 10.1177/0954410018801226 10.1109/TAES.2013.6404092 10.1109/MED.2017.7984283 10.1109/TAES.2013.6621856 10.2514/1.G004762 10.1016/j.ast.2019.03.037 10.1016/j.ast.2014.10.002 10.2514/6.2018-1322 10.2514/1.G002751 10.2514/4.868948 10.2514/1.G007040 10.1109/TAES.2018.2850208 10.1109/GNCC42960.2018.9018942 10.2514/6.2015-0616 10.2514/1.G007174 10.2514/1.G005578 |
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| SubjectTerms | Boundary conditions Closed loops Computational efficiency Constraints Control theory Error compensation Guidance systems impact time and angle control Initial conditions Laws, regulations and rules midcourse-to-terminal guidance handover Numerical analysis Numerical simulations polynomial guidance Polynomials Terminal guidance Velocity |
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| Title | Initial-Condition-Aware Polynomial Guidance with Impact Time and Angle Constraints |
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