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首页> 外文会议>XI National Seminar on Aerospace Structures on Experimental Techniques and Testing Methods Feb 8-9, 2002 Bangalore >Testing and evaluation of electrical and related properties of shape memory wires used in active shape control of aerofoils
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Testing and evaluation of electrical and related properties of shape memory wires used in active shape control of aerofoils

机译：翼型主动形状控制中使用的形状记忆线的电气和相关特性的测试和评估

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摘要

This paper discusses the testing and evaluation of the electrical and related properties of shape Memory Alloy Wires (Nickel titanium base alloy) used in Active Shape Control of Aerofoils. The SMA phase transformation related electrical properties, their co-relation with mechanical properties and the use of the SMA as sensors is explained. The tests that are required to evaluate SMA's which are essentially low voltage and high current devices are discussed. The design features of the power sources required to work in a close loop control mode such as programmability (through an IBM PC) and remote load drive capabilities is also explained. The electrical property dependent factors including response characteristics that influence the selection of the SMA wire and efficiency related issues are also dealt with.
机译：本文讨论了用于翼型主动形状控制的形状记忆合金线（镍钛基合金）的电性能和相关性能的测试和评估。解释了与SMA相变有关的电特性，它们与机械特性的相互关系以及SMA作为传感器的用途。讨论了评估SMA所需的测试，这些SMA本质上是低电压和高电流设备。还说明了在闭环控制模式下工作所需的电源设计特征，例如可编程性（通过IBM PC）和远程负载驱动器功能。还处理了与电性能有关的因素，包括影响SMA导线选择的响应特性以及与效率相关的问题。

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