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| AHRS× | Navigazione Proporzionale× | |
|---|---|---|
| Campo | Aerospaziale | Aerospaziale |
| Famiglia | Process / pipeline | Process / pipeline |
| Anno di origine≠ | 1940s | 1957 |
| Ideatore≠ | Aviation heritage | Lin-Hsiung Chu |
| Tipo≠ | System | Guidance law |
| Fonte seminale≠ | Savage, P. G. (2007). Strapdown Inertial Integration Technology (2nd ed.). Strapdown Associates. link ↗ | Knox, W. P. (1971). On optimal proportional navigation. IEEE Transactions on Aerospace and Electronic Systems, AES-7(3), 417–426. link ↗ |
| Alias≠ | AHRS system, attitude reference, heading sensor | PN, PN law |
| Correlati | 3 | 3 |
| Sintesi≠ | An Attitude Heading Reference System (AHRS) is a complete inertial navigation subsystem that estimates and outputs the three-dimensional orientation (attitude) and heading of a vehicle or platform. AHRS combines measurements from accelerometers, gyroscopes, and often magnetometers through sensor fusion algorithms (typically Kalman filters or complementary filters) to provide a drift-free, fast attitude estimate. AHRS is standard in aviation, marine navigation, and modern autonomous systems. | 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. |
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