Author:
Chen Jianxun,Qi Zhengwu,Yang Ningxiang,Luo Weili
Abstract
Abstract
Vibration comfort is an important indicator for evaluating escalator riding experience. The measuring principle of vibration comfort of escalator step and armbands was analyzed. The calculation methods of vibration acceleration extraction, frequency meter weight, root mean square (RMS) and vector sum were summarized. A wireless triaxial acceleration data acquisition module was developed based on micro-electromechanical system (MEMS) acceleration sensor, MCU and high-speed WIFI module, and a vibration comfort detection application (APP) based on the Android operating system was developed. The calibrated detection device was applied to escalator field test. The results showed that the maximum vibration RMS and average RMS of the step and the armband on both sides can be quickly calculated, and the vibration comfort level can be divided, which provided important data reference for equipment maintenance.
Subject
General Physics and Astronomy
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