- 文本
- 历史
以上章节介绍了纳米定位平台的设计、建模与实验过程，将杠杆机构作为Sco
以上章节介绍了纳米定位平台的设计、建模与实验过程，将杠杆机构作为Scott-Russell机构的输出端，使用一个驱动器即可实现纳米定位平台的纯中心转动，避免了结构庞大和驱动沉余的特点；使用叶型柔性铰链提高侧向刚度；通过运动学和动力学模型分析，纳米定位平台具有转动范围较大，一介固有振动频率高的特点。通过有限元分析优化结构参数，提高其性能特征。实验结果表明纳米定位平台具有高精度的旋转操作，并且转动范围和一介固有频率满足实验要求。并通过PID控制，纳米定位平台迟滞现象得到明显降低。
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The above chapters introduced the design, modeling and experimental process of the nano-positioning platform. The lever mechanism is used as the output end of the Scott-Russell mechanism. The pure center rotation of the nano-positioning platform can be realized by using a single driver, which avoids the huge structure and the driving force. The characteristics of the use of leaf-shaped flexible hinges to improve the lateral stiffness; through the analysis of kinematics and dynamics models, the nano positioning platform has the characteristics of a large rotation range and a high natural vibration frequency. Optimize structural parameters through finite element analysis to improve its performance characteristics. The experimental results show that the nano-positioning platform has high-precision rotation operation, and the rotation range and a natural frequency meet the experimental requirements. And through PID control, the hysteresis of the nano positioning platform is significantly reduced.
正在翻译中..
The above section introduces the design, modeling and experimental process of nano-positioning platform, using the lever mechanism as the output of Scott-Russell mechanism, using a single drive to realize the pure center rotation of nano-positioning platform, avoiding the characteristics of large structure and driving residual; The structural parameters are optimized by finite meta-analysis to improve their performance characteristics. The experimental results show that the nano-positioning platform has high-precision rotation operation, and the rotation range and the natural frequency meet the experimental requirements. And through PID control, the hysteresis of nano-positioning platform is significantly reduced.
正在翻译中..
The above chapters introduce the design, modeling and experimental process of the nano positioning platform. The lever mechanism is used as the output end of Scott Russell mechanism, and a driver is used to realize the pure center rotation of the nano positioning platform, which avoids the characteristics of huge structure and drive redundancy; the blade flexure hinge is used to improve the lateral stiffness; through the analysis of kinematics and dynamics model, the nano positioning platform is realized The platform has the characteristics of large rotation range and high natural vibration frequency. The structural parameters are optimized by finite element analysis to improve its performance. The experimental results show that the nano positioning platform has high precision rotation operation, and the rotation range and a dielectric natural frequency meet the experimental requirements. Through PID control, the hysteresis of nano positioning platform is reduced obviously.<br>
正在翻译中..
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