无穷维空间的凸微分分析的研究已有近七十年的历史。
The convex differential analysis in infinite-dimensional spaces has been studied almost seventy years.
此外,我们将PD控制和模糊pid控制这两种方法推广到无穷维空间,并进一步运用到被试验的压电梁中。
In addition, we expand PD control and fuzzy-PID control to infinite-dimensional, and apply them to the tested piezoelectric beam.
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