Automatic Car Wash with Industrial PLC Arduino

In this use case, an automatic car wash process is implemented.
For this purpose, a PLC of the MDuino family has been used and a set of sensors and actuators which are described below.

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1. C A S E S T U D Y I N D U S T R I A L S H I E L D S A U T O M A T I C C A R W A S H I n t h i s u s e c a s e , a n a u t o m a t i c c a r w a s h p r o c e s s i s i m p l e m e n t e d . F o r t h i s p u r p o s e , a P L C o f t h e M D u i n o f a m i l y h a s b e e n u s e d a n d a s e t o f s e n s o r s a n d a c t u a t o r s w h i c h a r e d e s c r i b e d b e l o w . W h e n a C a r e n t e r s t h e h a l l , a c e r t a i n s e q u e n c e h a s t o b e f o l l o w e d a u t o m a t i c a l l y . S t e p s a r e : 1 ) S o a p i n g 2 ) W a s h i n g 3 ) D r y i n g . S U M M A R Y C a r w a s h i n g i s s i m p l e a c t i v i t y d o n e i n o r d e r t o k e e p t h e e x t e r i o r o f t h e c a r c l e a n . M o s t l y i t i s d o n e m a n u a l l y i n a u t o m o b i l e g a r a g e o r s e r v i c e c e n t r e s o f a u t o m o b i l e c o m p a n i e s . T h i s m a n u a l w a y o f c l e a n i n g c a r r e s u l t s i n m o r e c o n s u m p t i o n o f w a t e r , m a n p o w e r a n d t i m e . T h e a u t o m a t i c c a r w a s h i n g s y s t e m e x p l a i n e d i n t h i s c a s e s t u d y m i n i m i s e s t h e u s e o f w a t e r a n d a l s o m a n p o w e r r e q u i r e m e n t . O u r c a r w a s h i n g s y s t e m u t i l i s e s c o n t r o l u s i n g P L C . T o d e t e c t t h e c a r a u t o m a t i c a l l y , l o a d c e l l s c a n b e u s e d , o r a n y o t h e r s e n s o r s u c h a s I n f r a r e d S e n s o r c a n a l s o b e u s e d . S o a p i n g , W a s h i n g a n d D r y i n g a r e p e r f o r m e d f o r a p a r t i c u l a r t i m e , h e n c e t o g e n e r a t e t i m e d e l a y f o r t h e s e o u t p u t s b e c o m e m a n d a t o r y , s o t h r e e d i f f e r e n t t i m e r s a r e u s e d , b u t y o u c o u l d a l s o h a v e c h o s e n t h e u s e o f m o t i o n s e n s o r s t o d e t e c t w h e n t h e v e h i c l e r e a c h e s e a c h p h a s e

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