Improvement of piezoelectric vibration sensors’ performance characteristics via optimization of details’ functional surfaces roughness

摘要

Method of improvement of piezoelectric vibration sensors' performance characteristics via optimization of the details' functional surfaces roughness is presented in this paper. Effect of the functional surfaces roughness of the vibration sensor's details on the relative coefficient of transverse conversion has been studied. Description of the surfaces roughness has been fulfilled using graphical criteria. Optimum procedures and technological parameters of the mechanical treatment of the details' functional surfaces roughness providing the best relative coefficient of transverse conversion for the piezoelectric vibration sensor have been determined. Full-scale experiments pertinent to the surfaces mechanical treatment have been designed using Taguchi method, which allowed reducing substantially the number of the performed experiments.