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首页> 外文期刊>ISRN Mechanical Engineering >Modeling and Compensation for Hysteresis Nonlinearity of a Piezoelectrically Actuated Fast Tool Servo Based on a Novel Linear Model
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Modeling and Compensation for Hysteresis Nonlinearity of a Piezoelectrically Actuated Fast Tool Servo Based on a Novel Linear Model

机译：新型线性模型的压电快速工具伺服系统滞后非线性建模与补偿

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摘要

In order to describe and compensate for complex hysteresis nonlinearities of piezoelectrically actuated fast tool servo (FTS), a novel Linear Fractional order Differentiation Hysteresis (LFDH) model is proposed in this paper. By means of the proposed LFDH model which is established on the fractional calculus theory, an analytical description of hysteresis behaviors of the FTS is derived. Furthermore, the LFDH model-based inverse compensation strategy is proposed to suppress the hysteresis effects of the FTS. Finally, a series of experiments are conducted to verify the effectiveness of the LFDH model and the corresponding compensation approach. The results demonstrate that the proposed LFDH model is efficient for describing hysteresis behaviors and the inverse compensation strategy can significantly suppress the inherent hysteresis of the FTS in open-loop operations.
机译：为了描述和补偿压电致动快速工具伺服系统（FTS）的复杂磁滞非线性，本文提出了一种新的线性分数阶微分磁滞（LFDH）模型。借助于所提出的基于分数演算理论的LFDH模型，得出了FTS磁滞行为的解析描述。此外，提出了基于LFDH模型的逆补偿策略来抑制FTS的滞后效应。最后，进行了一系列实验以验证LFDH模型和相应补偿方法的有效性。结果表明，所提出的LFDH模型对于描述磁滞行为是有效的，并且逆补偿策略可以显着地抑制开环操作中FTS的固有磁滞。

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