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| Vikt och balans× | Kvarternionattityd× | |
|---|---|---|
| Ämnesområde | Flyg- och rymdteknik | Flyg- och rymdteknik |
| Familj | Process / pipeline | Process / pipeline |
| Ursprungsår≠ | 1940s | 1843 |
| Upphovsperson≠ | Aviation engineering | William Hamilton (quaternions), aerospace engineers |
| Typ≠ | Analysis method | Mathematical framework |
| Ursprungskälla≠ | Federal Aviation Administration (2017). Airplane Weight and Balance Control. Advisory Circular AC 23-8B-1C. link ↗ | Shuster, M. D. (1993). A survey of attitude representations. Journal of the Astronautical Sciences, 41(4), 439–517. link ↗ |
| Alias | W&B, center of gravity, CG analysis | quaternion representation, attitude kinematics, q-vector |
| Närliggande | 3 | 3 |
| Sammanfattning≠ | Weight and balance analysis is the process of determining the total weight of an aircraft and the location of its center of gravity (CG) throughout its operational envelope. Essential for aircraft safety and performance, weight and balance ensures that the CG remains within allowable limits (forward and aft) to maintain stable flight and controllability. Regulatory certification requires comprehensive weight and balance documentation for every aircraft configuration. | Quaternion attitude representation is a mathematical framework for describing three-dimensional rotations using four-dimensional vectors (quaternions). Superior to Euler angles due to the absence of singularities (gimbal lock), quaternions are the standard representation in modern attitude estimation, spacecraft control, and 3D computer graphics. Quaternion kinematics elegantly expresses how attitude evolves under angular velocity measurements from gyroscopes. |
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