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| Navigazione Proporzionale× | Percorso di Dubins× | |
|---|---|---|
| Campo | Aerospaziale | Aerospaziale |
| Famiglia | Process / pipeline | Process / pipeline |
| Anno di origine | 1957 | 1957 |
| Ideatore≠ | Lin-Hsiung Chu | Lester Dubins |
| Tipo≠ | Guidance law | Optimal curve |
| Fonte seminale≠ | Knox, W. P. (1971). On optimal proportional navigation. IEEE Transactions on Aerospace and Electronic Systems, AES-7(3), 417–426. link ↗ | Dubins, L. E. (1957). On curves of minimal length with a constraint on average curvature and with prescribed initial and terminal positions and tangents. American Journal of Mathematics, 79(3), 497–516. DOI ↗ |
| Alias≠ | PN, PN law | Dubins curve, RSR path, LSL path |
| Correlati | 3 | 3 |
| Sintesi≠ | Proportional Navigation (PN) is a guidance law that generates command accelerations proportional to the rate of change of the line-of-sight angle between a pursuer and target. Introduced by Lin-Hsiung Chu in the 1950s, it became the foundation of modern missile guidance systems. PN solves the pursuit-evasion problem by ensuring that the pursuer intercepts a moving target with minimal computational overhead. | The Dubins path is the shortest curve connecting two points in the plane with prescribed initial and terminal tangent directions, subject to a constraint on curvature. Introduced by Lester Dubins in 1957, it solved a fundamental problem in differential geometry and became essential in motion planning for aircraft, helicopters, and autonomous vehicles. A Dubins path consists of circular arcs and straight line segments arranged in a sequence such as RSR (Right-Straight-Right) or LSL (Left-Straight-Left). |
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