Research Article
A New United Proportional Navigation Guidance for Impact Angle Constraint without Measurement Distance between Vehicle and Target
Table 4
Errors of impact point and impact angle under different expected impact angles.
| | Error | Method | 60° | 70° | 80° | 90° | 100° | 110° |
| | Impact point (m) | UPNG | 0.3642 | 0.2962 | -0.0475 | -0.0025 | -0.0575 | -0.1970 | | SBPNG | 0.2919 | -0.0517 | 0.0297 | -0.0090 | -0.0799 | -0.1026 | | VPNG | 0.2919 | -0.0843 | -0.0192 | -0.0078 | -0.0039 | 0.0900 | | BPNG | 0.2844 | 0.0574 | -0.0719 | -0.0206 | -0.0328 | -0.2748 | | Impact angle (°) | UPNG | 0.0035 | -0.0161 | -0.0128 | -0.0132 | -0.0116 | -0.1546 | | SBPNG | -3.9066 | -0.1052 | -0.5613 | -0.4249 | -0.0976 | 1.0425 | | VPNG | -3.9066 | -0.0776 | -0.2387 | -0.1779 | -0.1194 | -0.1204 | | BPNG | -3.7790 | -0.1337 | -0.3305 | -0.2816 | -0.2326 | -0.0017 |
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