Anti lock breaking system
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Transcript of Anti lock breaking system
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ANTI-LOCK BREAKING SYSTEM
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INTRODUCTION A B S I S A S Y S T E M I N T E N D E D F O R
V E H I C L E S A F E T Y
P R E V E N T S W H E E L L O C K U P A N D P R O V I D E S S T E E R I N G A B I L I T Y U N D E R PA N N I C B R A K I N G
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WHY WE NEED ABS
AV O I D S K I D D I N G R E D U C E L O S S O F T R A C T I O N B E T T E R C O N T R O L B O T H AT A N Y S P E E D A N D
U N D E R A N Y L O A D
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WITH OUT ABS T H E W H E E L G E T L O C K E D U P C A N ’ T B R A K E H A R D L O C K E D W H E E L P R O V I D E S V E R Y L I T T L E O R
N O D I R E C T I O N A L C O N T R O L . CO M P L E T E LY L O S S E S S T E E R I N G O R
H A N D L I N G C O N T R O L U N D E R PA N I C B R A K I N G
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PRINCIPLE OF ABS
T H E S K I D D I N G A N D L A C K O F C O N T R O L W A S C A U S E D B Y T H E L O C K I N G O F W H E E L S
T H E R E L E A S E A N D R E A P P LY O F B R A K E P E D A L W I L L R E D U C E T H I S E F F E C T
T H I S I S E X A C T LY T H E W O R K I N G P R I N C I P L E O F A B S
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MAIN COMPONETS OF ABS S P E E D S E N S O R S : - A S P E E D S E N S O R I S
U S E D T O D E T E R M I N E T H E A C C E L E R AT I O N O R D E C E L E R AT I O N O F T H E W H E E L .
VA LV E S : - I T P R O V I D E S VA R I O U S P O S I T I O N S F O R T H E F L O W O F P R E S S U R I S E D F L U I D .
P U M P : - T H E P U M P I N T H E A B S I S U S E D T O R E S T O R E T H E P R E S S U R E T O T H E H Y D R A U L I C B R A K E S A F T E R T H E VA LV E S H A V E R E L E A S E D I T
C O N T R O L L E R : - T H E C O N T R O L L E R I S A N E C U T Y P E U N I T I N T H E C A R W H I C H R E C E I V E S I N F O R M AT I O N F R O M E A C H I N D I V I D U A L W H E E L S P E E D S E N S O R
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COMPONENTS OF ABS
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WORKING
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ADVANTAGES R E D U C E S S T O P P I N G D I S T A N C E E N A B L E S S T E E R I N G W H I L E T H E
B R A K E S A R E F I R M LY A P P L I E D A L L O W S B R A K I N G F I R M LY O N
S U R F A C E S W I T H D I F F E R E N T L E V E L O F G R I P
M A I N T A I N D I R E C T I O N A L S T A B I L I T Y A N D C O N T R O L O V E R S T E E R I N G D U R I N G B R A K I N G
S A F E A N D E F F E C T I V E A U T O M A T I C A L LY C H A N G E S T H E B R A K E
F L U I D P R E S S U R E O F E A C H W H E E L T O M A I N T A I N O P T I M U M B R A K E P E R F O R M A N C E
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DISADVANTAGES V E R Y C O S T LY.
M A I N T E N A N C E C O S T O F V E H I C L E S W I T H A B S I S H I G H E R A S C O M PA R E D W I T H O T H E R S .
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CONCLUSION
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