Novel dynamic displacement monitoring technique from Sensonics
05 April 2012
Sensonics recently completed a government funded feasibility study into the development of an intelligent software algorithm for the processing of accelerometer vibration signals to realise an accurate peak displacement reading. Key drivers of this study are the many real world applications that require low-cost, accurate movement detection.
The study was a success and this, combined with continued developments in wireless technology, has enabled Sensonics to produce a battery operated prototype unit which will be fed into the next stage of the project. As a result of this initiative, Sensonics believes that it is now possible to meet the need for accurate, yet lower cost movement detection across a wide range of industry applications, from rail through to renewables.
The prototype includes a PCB mounted miniature tri-axial sensor. This gives the option to compare the results of the superior dynamic range and noise performance offered by the ceramic device against those of existing MEMS type devices. The aim of the project is to detect dynamic displacement of up to 50mm peak over the frequency range 1 - 40Hz, to a resolution of 0.1mm.