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Control Strategy Research for GMA

机译:GMA的控制策略研究

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摘要

Due to the high conversion efficiency and good frequency response, Giant Magnetostrictive Actuator (GMA) has been widely used in the machining field. A hysteresis model composed of the phase-lag transfer function and the linearity model is established to meet different working conditions of the GMA. Identifying the parameters in both section, a feed-forward control based on the direct inverse model and the phase compensation is conducted in the verification experiment. The results indicate that the output displacement of the GMA follows the input voltage with lower error in different frequency bands, meeting the demand for hysteresis control of GMA.
机译:由于高转换效率和良好的频率响应,巨型磁致伸缩致动器(GMA)已广泛用于加工领域。建立由相滞转移函数和线性模型组成的滞后模型以满足GMA的不同工作条件。在验证实验中,在验证实验中识别两部分中的参数,基于直接逆模型和相位补偿的前馈控制。结果表明,GMA的输出位移遵循不同频带中误差较低的输入电压,满足GMA对滞后控制的需求。

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