Abstract
The unmanned combat aerial vehicle (UCAV) technology has to deal with a lot of challenges in complex battlefield environments. The UCAV requires a high number of points to build the path to avoid dangers in order to achieve a safe and low-energy flying path, which increases the issue dimension and uses more computer resources while producing unstable results. To address the issue, this paper proposes a double-layer (DLC) model for path planning, which reduces the outputting dimension of path-forming points, reduces the computational cost and enhances the path stability. Meanwhile, this paper improves the grey wolf optimizer (K-FDGWO) by introducing adaptive K-neighbourhood-based learning strategy and differential “hunger-hunting strategy”, and using fitness distance correlation (FDC) to balance the global exploration and local exploitation. Besides, the K-FDGWO and Differential Evolution (DE) algorithm are jointly used for the DLC model (DLC-K-FDGWO). The experimental results indicated that the proposed DLC-K-FDGWO method for path planning always generated the ideal flight path in complicated environments.
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This work was supported by Guangxi Science and Technology Program (GUIKE AD22080021), Research Project for Young and Middle−Aged Teachers in Higher Education Institution of Guangxi (2022KY0164, 2017KY0175).
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YJ: Methodology, Validation, Writing-original draft. LQ: Conceptualization, Software, Visualization, Writing-editing. XL: Visualization, Investigation.
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Appendix
Appendix
Function expression | Range | D | \(f_{min}\) |
---|---|---|---|
\(F1(x)=\sum ^{n}_{i=1}{x^{2}}\) | \([-100,100]\) | 30 | 0 |
\(F2(x)=\sum ^{n}_{i=1}{\mid x_{i} \mid }+\prod ^{n}_{i=1}{\mid x_{i} \mid }\) | \([-10,10]\) | 30 | 0 |
\(F3(x)=\sum ^{n}_{i=1}{\left( \sum ^{i}_{j-1}{x_{j}}\right) ^{2}}\) | \([-100,100]\) | 30 | 0 |
\(F4(x)=\max \{x_{i}\mid 1\le i \le n\}\) | \([-100,100]\) | 30 | 0 |
\(F5(x)=\sum ^{n-1}_{i=1}{[100(x_{i+1}-x^{2}_{i})+(x_{i}-1)^{2}]}\) | \([-30,30]\) | 30 | 0 |
\(F6(x)=\sum ^{n}_{i=1}{([x_{i}+0.5])^{2}}\) | \([-100,100]\) | 30 | 0 |
\(F7(x)=\sum ^{n}_{i=1}{-x_{i}\sin (\sqrt{(\vert x_{i}\vert )})}\) | \([-500,500]\) | 30 | \(-418.9829\cdot\) D |
\(F8(x)=\sum ^{n}_{i=1}{[x^{2}_{i}-10\cos (2\pi x_{i})+10]}\) | \([-5.12,5.12]\) | 30 | 0 |
\(F9(x)=-20\exp \left( {-0.2\sqrt{\frac{1}{n}\sum ^{n}_{i=1}{x^{2}_{i}}}}\right) -\exp \left( \frac{1}{n}\right.\) | |||
\(\left. \sum ^{2}_{i=1}{\cos (2\pi x_{i})}\right) +20+e\) | \([-32,32]\) | 30 | 0 |
\(F10(x)=\frac{1}{4000}\sum ^{n}_{i=1}{x^{2}_{i}}-\prod ^{n}_{i=1}{\cos \left( \frac{x_{i}}{\sqrt{i}}\right) }+1\) | \([-600,600]\) | 30 | 0 |
\(F11(x)==\frac{\pi }{n}\{10\sin (\pi y_{1})+\sum ^{n-1}_{i=1}{(y_{i}-1)^{2}[1+10\sin ^{2}(\pi y_{i}+1)]}\) | |||
\(+(y_{n}-1)^{2}\}+\sum ^{n}_{i=1}{u(x_{i},a,k,m)},\) | |||
\(y_{i}=1+\frac{1}{4}(x_{i}+1),\) | |||
\(u(x_{i},a,k,m)=\left\{ \begin{array}{ll} k(x_{i}-a)^{m},&{}ifx_{i}>a\\ 0, &{}if-a\le x_{i}\le a\\ k(-x_{i}-a)^{m}, &{}ifx_{i}<-a \end{array} \right.\) | \([-50,50]\) | 30 | 0 |
\(F12(x)=0.1\{ \sin ^{2}(3\pi x_{1})+\sum ^{n}_{i=1}[(x_{i}-1)^{2}[1+\sin ^{2}(3\pi x_{i}+1)]\) | |||
\(+(x_{n}-1)^{2}[1+\sin ^{2}(2\pi x_{n})]]+\sum ^{n}_{i=1}u(x_{i},5,100,4)\}\) | \([-50,50]\) | 30 | 0 |
\(F13(x)=\sum ^{n}_{i=1}{\mid x_{i}\sin (x_{i})+0.1x_{i}\mid }\) | \([-10,10]\) | 30 | 0 |
\(F14(x)=(x^{2}_{1}+x_{2}-11)^{2}+(x_{1}+x^{2}_{2}-7)^{2}\) | \([-6,6]\) | 2 | 0 |
\(F15(x)=\left( \frac{1}{500}+\sum ^{25}_{j=1}\frac{1}{j+\sum ^{2}_{i=1}{(x_{i}-a_{i,j})^{6}}}\right) ^{-1}\) | \([-65,65]\) | 2 | 1 |
\(F16(x)=\sum ^{11}_{i=1}{\left[ a_{i}-\frac{x_{1}(b^{2}_{i}+b_{i}x_{2})}{b^{2}_{i}+b_{i}x_{3}+x_{4}}\right] ^{2}}\) | \([-5,5]\) | 4 | 0.0003 |
\(F17(x)=4x_{1}^{2}-2.1x_{1}^{4}+\frac{1}{3}x_{1}^{6}+x{1}x_{2}-4x_{2}^{2}+4x_{2}^{4}\) | \([-5,5]\) | 2 | \(-1.0316\) |
\(F18(x)=\left( x_{2}-\frac{5.1}{4\pi ^{2}}+\frac{5}{\pi }-6\right) ^{2}+10\left( 1-\frac{1}{8\pi }\right) \cos x_{1}+10\) | \([-5,5]\) | 2 | 0.398 |
\(F15(x)=[1+(x_{1}+x_{2}+1)^{2}(19-14x_{1}+3x^{2}_{1}-14x_{2}+6x_{1}x_{2}+3x^{2}_{2})]\) | |||
\([30+(2x_{1}-3x_{2})^{2}(18-32x_{1}+12x^{2}_{1}+48x_{2}-36x_{1}x_{2}+27x^{2}_{2})]\) | \([-2,2]\) | 2 | 3 |
\(F19(x)=-\sum ^{4}_{i=1}c_{i}\exp \left( -\sum ^{3}_{j=1}a_{ij}(x_{j}-p_{ij})^{2}\right)\) | [1, 3] | 3 | \(-3.86\) |
\(F20(x)=-\sum ^{4}_{i=1}c_{i}\exp \left( -\sum ^{6}_{j=1}a_{ij}(x_{j}-p_{ij})^{2}\right)\) | [0, 1] | 6 | \(-3.32\) |
\(F21(x)=-\sum ^{5}_{i=1}[(X-a_{i})(X-a_{i})^{T}+c_{i}]^{-1}\) | [0, 10] | 4 | \(-10.1532\) |
\(F22(x)=-\sum ^{7}_{i=1}[(X-a_{i})(X-a_{i})^{T}+c_{i}]^{-1}\) | [0, 10] | 4 | \(-10.4028\) |
\(F23(x)=-\sum ^{10}_{i=1}[(X-a_{i})(X-a_{i})^{T}+c_{i}]^{-1}\) | [0, 10] | 4 | \(-10.5363\) |
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Jia, Y., Qu, L. & Li, X. Automatic path planning of unmanned combat aerial vehicle based on double-layer coding method with enhanced grey wolf optimizer. Artif Intell Rev 56, 12257–12314 (2023). https://doi.org/10.1007/s10462-023-10481-9
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DOI: https://doi.org/10.1007/s10462-023-10481-9