similarity transformation

Based on the similarity of the displacement-voltage curves when driving voltage increases and decreases, a method of coordinate transformation has been adopted to set up a new type of simple and applicable hysteresis nonlinearity model of piezoceramic actuator.

基于压电陶瓷执行器位移-电压曲线各升程之间、各回程之间的相似性，采用坐标变换的方法，建立了一种新的简单实用的压电陶瓷执行器的迟滞非线性模型。

Finally, for quadratic system without external force, a structure preserving flows method based on similarity transformation is proposed.

最后，提出基于相似变换的保结构流方法，并将其应用于无外力作用的二阶系统解耦中。

Through analyzing the similarity transformation character of regular polygon, a new fashioned formation mechanism of bundling was designed.

通过对正多边形相似变换性质的分析，提出了新型打捆预成型机构。