针对磁致伸缩材料的非线性响应特点，设计了定偏闭环反馈系统，使探头始终工作在最佳偏置磁场下。
The negative feedback system with fixed bias is designed based on nonlinear response of the magnetostrictive materials so as to keep the sensor work at its most sensitive situation.
应用多尺度法得到了超磁致伸缩换能器几何非线性振动系统响应的解析解和频响特性表达式。
Then, the analytic solution of the geometrical nonlinear vibration system and the frequency-response properties of the actuator were analyzed by using multi-scale method.
然而超磁致伸缩材料本身的强非线性，受外部环境影响大，使制成的执行器开环工作精度低。
However, the giant magnetostrictive material itself has strongly nonlinear property, the influence of the external environment also made the actuators work of with low accuracy.
由于内在的滞回非线性，超磁致伸缩驱动器(GMA)会在开环系统中引起定位误差，在闭环系统中造成系统不稳定。
Due to the inherent hysteretic nonlinearity, the giant magnetostrictive actuator (GMA) can cause position error in the open-loop systems, and cause instability in the closed-loop systems.
型号GY系列是“线性位移传感器”聘用磁致伸缩现象，特别是蝇效果。
Model GY Series are "Linear Displacement Transducers" employing magnetostrictive phenomena, especially the Wiedemann effect.
型号GY系列是“线性位移传感器”聘用磁致伸缩现象，特别是蝇效果。
Model GY Series are "Linear Displacement Transducers" employing magnetostrictive phenomena, especially the Wiedemann effect.
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