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This paper presents a rotational speed measurement system based on a low-cost imaging device with a simple marker on the rotor. Structural similarity and two-dimensional correlation algorithms are deployed to process the images. The measurement principle, structure design and performance assessment of the proposed system are presented and discussed. The effects of different markers, image processing...
Rotational speed is a key parameter for condition monitoring and control of rotating devices in many industries. This paper presents a novel measurement technique using a single electrostatic sensor coupled with autocorrelation signal processing algorithms. The characteristics of the electrostatic sensor are analyzed through Finite Element Modeling. Experimentation based performance assessment of...
Rotational speed is a key parameter for condition monitoring and control of rotating devices in many industrial processes. This paper presents a technique for the rotational speed measurement using a single or dual electrostatic sensors coupled with correlation signal processing algorithms. In the case of a single sensor, autocorrelation algorithm is applied to process the signal and measure the period...
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