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High-accuracy measurement systems are in high demand for industrial applications. Especially in machine tools, range measurement options close to the stage position are required. The main challenge of the measurement technique is the integration into the machine tool concept. In this paper, a novel measurement principle based on radar and on guided waves is presented for these applications, to achieve...
Free space radar systems for civilian applications are often limited in bandwidth by regulatory authorities. Consequently, the accuracy of such radar systems is severely restricted, which in turn reduces its usage in industrial applications. However, it is still possible to achieve high accuracy, using an FMCW radar system combined with a phase evaluation algorithm. In this paper, the accuracy requirements...
The FMCW radar technology offers the possibility to achieve very high target accuracy mainly limited by the SNR. In this paper the CRLB for an FMCW radar with phase evaluation is derived and different algorithms reaching the CRLB are presented. The algorithms are tested in a simulation and the simulation results are compared with measurement results of an existing FMCW radar. The used algorithms are...
Highly precise distance measurement sensors are essential in the field of industrial automation. In particular hydraulic cylinder applications require an accurate detection of the piston position by reason of controlling and monitoring. Currently used external as well as integrated solutions are limited by many factors. Using low-cost and precise radar sensors is a highly promising approach for these...
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