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Comparing Two Voltage Observers in a Sensorsystem using Repetitive Control

机译：使用重复控制比较传感器系统中的两个电压观测器

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In sensor systems one of the most crucial issues is represented by the insensibility of the sensors with respect to the disturbances to obtain precision in the detected measurements. This paper proposes two different observers to identify an input voltage disturbance in sensors for ferromagnetic particle monitoring. The disturbance is identified together with the state variables which can be used for a controller. Because of a sinusoidal function being chosen to be the reference signal of the sensor, the repetitive controller is proposed to make robust this periodic work function of the sensor. The tracking of this working point is realised using a classical feed-forward control, which is made robust using a resonant control loop. The resonant control loop provides not only for the robustness but in the meantime minimises the energy needed for the sensor. The resonance is maintained by using the repetitive controller. In this sense the resonance region of the system guarantees a structural robustness and optimality. The repetitive control provides a tracking throughout the cycles. Computer simulations are devoted to compare the obtained results and conclusion closes the paper.
机译：在传感器系统中，最关键的问题之一是传感器对于扰动的敏感性，以在检测到的测量中获得精度。本文提出了两个不同的观察者来识别铁磁颗粒监测传感器中的输入电压扰动。识别干扰以及可用于控制器的状态变量。由于正弦函数被选作传感器的参考信号，因此建议使用重复控制器来增强传感器的这种周期性功函数。使用经典前馈控制可实现对该工作点的跟踪，而经典前馈控制可通过谐振控制环实现鲁棒控制。谐振控制回路不仅提供了鲁棒性，同时还使传感器所需的能量最小化。通过使用重复控制器可以保持共振。从这个意义上说，系统的共振区域保证了结构的坚固性和最佳性。重复控制在整个周期内提供跟踪。通过计算机仿真来比较所获得的结果，并得出结论。

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