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| Denavit-Hartenberg 参数× | 模态分析× | |
|---|---|---|
| 领域 | 制造工程 | 制造工程 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1955 | 1975 |
| 提出者≠ | Denavit, J. and Hartenberg, R. S. | Clough, R. W., Penzien, J. |
| 类型≠ | Mathematical convention for describing articulated mechanisms | Computational method for structural dynamics |
| 开创性文献≠ | Denavit, J., & Hartenberg, R. S. (1955). A kinematic notation for lower-pair mechanisms based on matrices. Journal of Applied Mechanics, 22(2), 215-221. link ↗ | Clough, R. W., & Penzien, J. (1975). Dynamics of Structures. McGraw-Hill. ISBN: 0-07-011394-7 |
| 别名 | DH parameters, DH convention, Robot kinematics convention | Eigenvalue analysis, Frequency response analysis, Natural frequencies |
| 相关 | 4 | 4 |
| 摘要≠ | The Denavit-Hartenberg (DH) convention is a systematic mathematical method for assigning coordinate frames to the links of an articulated robot or mechanism, enabling compact representation and computation of forward and inverse kinematics. Introduced by Denavit and Hartenberg in 1955, this method uses only four parameters per joint to describe the spatial relationship between adjacent links, dramatically simplifying kinematic analysis and control of complex multi-jointed systems. | Modal analysis is a computational and experimental method for determining the natural frequencies and associated mode shapes of a mechanical structure. By decomposing structural vibration into its fundamental modes (natural oscillation patterns), engineers can predict resonance frequencies, assess dynamic response to external forces, and design structures to avoid problematic vibrations. Developed rigorously by Clough and Penzien in their foundational work on structural dynamics, modal analysis is essential for designing robust mechanical systems. |
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