Design of a PLC-Based Vibratory Stress Relief System

Project no. 32402 · Status: Kapanmış · 2024

Summary

<p>Vibratory&nbsp;stress&nbsp;relief&nbsp;is&nbsp;a&nbsp;technique&nbsp;that&nbsp;uses&nbsp;vibration&nbsp;energy&nbsp;to&nbsp;reduce&nbsp;the&nbsp;internal&nbsp;stresses&nbsp;of&nbsp;an&nbsp;object&nbsp;or&nbsp;a&nbsp;structural&nbsp;system.&nbsp;This&nbsp;method&nbsp;reduces&nbsp;internal&nbsp;stresses&nbsp;and&nbsp;improves&nbsp;structural&nbsp;durability&nbsp;by&nbsp;subjecting&nbsp;a&nbsp;system&nbsp;to&nbsp;vibration&nbsp;near&nbsp;its&nbsp;resonance&nbsp;frequency.&nbsp;Vibratory&nbsp;stress&nbsp;relief&nbsp;is&nbsp;an&nbsp;alternative&nbsp;stress&nbsp;relief&nbsp;method&nbsp;commonly&nbsp;utilized&nbsp;in&nbsp;engineering&nbsp;applications.&nbsp;However,&nbsp;the&nbsp;lack&nbsp;of&nbsp;sufficient&nbsp;experimental&nbsp;studies&nbsp;regarding&nbsp;the&nbsp;efficiency&nbsp;of&nbsp;the&nbsp;method&nbsp;has&nbsp;hindered&nbsp;its&nbsp;standardization&nbsp;and&nbsp;restricted&nbsp;its&nbsp;use&nbsp;in&nbsp;our&nbsp;country.</p><p></p><p>This&nbsp;project&nbsp;primarily&nbsp;aims&nbsp;to&nbsp;design&nbsp;a&nbsp;functional&nbsp;vibratory&nbsp;stress&nbsp;relief&nbsp;system&nbsp;and&nbsp;develop&nbsp;its&nbsp;software&nbsp;in&nbsp;accordance&nbsp;with&nbsp;the&nbsp;controllable&nbsp;outputs&nbsp;targeted&nbsp;within&nbsp;the&nbsp;project's&nbsp;scope.&nbsp;At&nbsp;this&nbsp;stage,&nbsp;the&nbsp;frequency&nbsp;of&nbsp;a&nbsp;vibration&nbsp;motor&nbsp;fixed&nbsp;to&nbsp;the&nbsp;structure&nbsp;will&nbsp;be&nbsp;adjusted&nbsp;via&nbsp;a&nbsp;PLC-controlled&nbsp;motor&nbsp;drive,&nbsp;and&nbsp;the&nbsp;resonance&nbsp;frequency&nbsp;of&nbsp;the&nbsp;system&nbsp;will&nbsp;be&nbsp;detected&nbsp;using&nbsp;an&nbsp;accelerometer&nbsp;mounted&nbsp;on&nbsp;the&nbsp;structure.&nbsp;Based&nbsp;on&nbsp;the&nbsp;detected&nbsp;resonance&nbsp;frequency,&nbsp;the&nbsp;amount&nbsp;of&nbsp;vibration&nbsp;to&nbsp;be&nbsp;applied&nbsp;to&nbsp;the&nbsp;system&nbsp;will&nbsp;be&nbsp;determined,&nbsp;and&nbsp;the&nbsp;resonance&nbsp;frequency&nbsp;of&nbsp;the&nbsp;system&nbsp;will&nbsp;be&nbsp;re-measured&nbsp;at&nbsp;the&nbsp;end&nbsp;of&nbsp;the&nbsp;applied&nbsp;vibration.&nbsp;Within&nbsp;the&nbsp;scope&nbsp;of&nbsp;the&nbsp;study,&nbsp;the&nbsp;effects&nbsp;of&nbsp;the&nbsp;applied&nbsp;vibration&nbsp;and&nbsp;the&nbsp;vibration&nbsp;amplitude,&nbsp;which&nbsp;will&nbsp;be&nbsp;modified&nbsp;using&nbsp;eccentric&nbsp;weights,&nbsp;on&nbsp;the&nbsp;final&nbsp;measured&nbsp;resonance&nbsp;frequency&nbsp;will&nbsp;be&nbsp;investigated.&nbsp;Consequently,&nbsp;experimental&nbsp;data&nbsp;for&nbsp;structural&nbsp;fabrications&nbsp;will&nbsp;be&nbsp;obtained&nbsp;using&nbsp;the&nbsp;vibratory&nbsp;stress&nbsp;relief&nbsp;device&nbsp;developed&nbsp;in&nbsp;the&nbsp;project.&nbsp;Through&nbsp;these&nbsp;experimental&nbsp;findings,&nbsp;the&nbsp;effects&nbsp;of&nbsp;parameters&nbsp;such&nbsp;as&nbsp;vibration&nbsp;duration&nbsp;and&nbsp;vibration&nbsp;amplitude&nbsp;in&nbsp;the&nbsp;vibratory&nbsp;stress&nbsp;relief&nbsp;system&nbsp;will&nbsp;become&nbsp;objectively&nbsp;measurable.</p>

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