首页> 外文会议>Conference on High-Resolution Wavefront Control: Methods, Devices, and Applications IV, Jul 8-9, 2002, Seattle, Washington, USA >Evaluation of the use of a first order finite element model for modeling of a continuous facesheet deformable mirror
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Evaluation of the use of a first order finite element model for modeling of a continuous facesheet deformable mirror

机译:使用一阶有限元模型对连续面板变形镜进行建模的评估

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摘要

A calibration procedure is described for improved modeling of a continuous facesheet deformable mirror. A resistive force of each actuator as it attempts to move to its commanded position is modeled as a linear spring force. A force associated with the resistance of the facesheet to bending is modeled as a moment that exerts a force on the actuators. The resultant first order finite element model is parameterized by a gain on each actuator channel and a ratio relating the average actuator spring constant and the facesheet bending moment coefficient. Example experimental results are presented indicating that modeling accuracy is improved by use of the first order finite element model.
机译:描述了用于改进连续面板可变形镜的建模的校准程序。每个执行器尝试移动到其命令位置时的阻力被建模为线性弹簧力。与面板的抗弯曲性相关的力被建模为在致动器上施加力的力矩。通过每个执行器通道上的增益以及与平均执行器弹簧常数和面板弯曲力矩系数相关的比率来对所得的一阶有限元模型进行参数化。给出的示例实验结果表明,通过使用一阶有限元模型可以提高建模精度。

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