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七文阐述了 S M A 驱动器的驱动原理,分析了 S M A 的性能和不同驱动方式对 S M A 驱动器输出性能的影响。文章认为, S M A 的相变温度范围越小,高低温时性能相差越大, S M A 双程驱动器的输出性能越好;差动式 S M A 双程驱动器与偏动式 S M A 双程驱动器相比,前者更容易获得较大的输出力和输出位移,但后者较容易控制,响应速度较快。
The thesis describes the driving principle of S M A driver, analyzes the influence of S M A and different driving modes on S M A driver output performance. The article considers that the smaller the phase transition temperature range of S M A, the greater the difference in performance between high and low temperatures, and the better the output performance of the S M A double-pass drive. The differential S M A double-pass drive and the biased S M A The former is easier to obtain a larger output force and output displacement than the two-way driver, but the latter is easier to control and respond faster.