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Automotive Control

System

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Basic Mechatronic System

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Control system inAutomobileEngine control system : Lamda ,

idle speed control, knock control,cylinder balancing.

riveline control system :driveline speed control, gear!shi"ting, anti!#erk. : ABS, ya$

dynamic,%ehicle control system

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EC&

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Automotive closed!loop controlsystem

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Closed!loop and 'pen!loop

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(nternal combustionengine

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p%!diagram o" "our strokecombustion engine

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Air!"uel ratio

)re"ered * +

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Conventional -(

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Block diagram o" a lambdacontrolled S( engine

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Lambda Sensor&sed to measure the concentration o" ' in the e/haust pipe. 0he sensor is mounted inthe collective e/haust pipe $here the individual e/haust pipes "rom the cylinders end in.

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Closed loop E-(

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Closed!loop E-(

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The ECU (Brain) receivesInformation from varies sensors.From this information it works outhow much fuel the engine needs

Inputs utputs!ingle "oint In#ection!ensor

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'1C, S'1C, '1%2pushrod3

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%0EC

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ABS

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