Position estimation in electro-magnetic actuators using a modified discrete time class A/B model reference approach

Florian Straußberger, M. Schwab, Tristan Braun, J. Reuter
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引用次数: 10

Abstract

In this paper, the use of a discrete time model reference adaptive approach is proposed for estimating the armature position of electro-magnetic actuators. It is assumed that current and voltage measurements are available, only. It is shown that by identification of the parameters of the electrical subsystem, a unique and accurate estimate for the armature position can be obtained. To this end two discrete time MRAS methods are combined in order to take advantage of complementary properties. It is shown in practical experiments that with this approach robust and fast estimation of the electrical parameters is achieved and the position estimation can thus be solved in real world environments.
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基于改进的离散时间a /B类模型参考方法的电磁执行器位置估计
本文提出了一种离散时间模型参考自适应方法来估计电磁执行器的电枢位置。假设只有电流和电压测量是可用的。结果表明,通过对电气分系统参数的辨识,可以得到电枢位置的唯一而准确的估计。为此,两种离散时间MRAS方法相结合,以利用互补特性。实际实验表明,该方法可以实现对电参数的鲁棒快速估计,从而解决实际环境下的位置估计问题。
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