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Affiliation of Author(s):机电工程学院
Teaching and Research Group:机电工程学院
Journal:2nd International Conference on Intelligent Systems Design and Engineering Applications, ISDEA 2012
Funded by:省、市、自治区科技项目
Key Words:electromotion backrest; microphone; abnormal
Abstract:Abnormal sound test System of car electromotion backrest based on microphone is presented. When backrest is clamped, Connect the high-power DC power supply to backrest’s motors by contactor, Contactor ON/OFF and the direction of Motor’s current are controlled by PLC, Backrest can run forward or reverse, Two microphone are fix beside of backrest about 10cm before backrest rotation. The computer sample the signal of microphone in the process of backrest rotation to acquire the parameter of backrest sound such as Max Value,LEQ, and compared with prescribe parameter as result of test. The experiment results show that the system dynamic test range is 16-120DB, and the test system can steady run in long time
First Author:yubaojun
Indexed by:Essay collection
Page Number:2
Number of Words:1
Translation or Not:no
Date of Publication:2012-01-06
