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Electrostatic sensors have been successfully used in the field of particle flow measurement due to the advantages of simple structure, robustness and low cost. Recently, advances have been made in developing electrostatic sensing techniques for rotational speed measurement. The geometric shape and size of the electrodes have significant effects on the performance of electrostatic sensors in terms...
Condition monitoring is a key step to identify the health status of working machinery and establish a necessary maintenance strategy. This paper proposes a novel intelligent system for the online monitoring of the operating conditions of rotating machinery using electrostatic sensors and signal processing techniques. This system is capable of providing simultaneous measurements of rotational speed,...
This paper describes an FPGA based system for monitoring the flow rate of pneumatically conveyed particulates by calculating the cross-correlation of signals generated by a pair of electrostatic sensors embedded in a pipeline. The architecture is capable of calculating a delay in the range of 0 to 20.48 ms with a resolution of 20.48 µs at the sampling rate of 48.8 kHz. The circuit is implemented using...
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