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Automobile Electrical and Electronic Systems, 5th Edition
book

Automobile Electrical and Electronic Systems, 5th Edition

by Tom Denton
September 2017
Intermediate to advanced
700 pages
28h 19m
English
Routledge
Content preview from Automobile Electrical and Electronic Systems, 5th Edition
Engine management
408
9.5.3 Dwell calculation
In order for an ignition system to produce constant energy the dwell angle
must increase as the engine speed increases. Ideal dwell values are held in
a look-up table; engine speed forms one axis and battery voltage the other. If
battery voltage falls, the dwell angle is increased to compensate. The ‘dwell
number’ is used in a similar way to the ‘timing number’ in the previous section
except that this time, the ‘dwell number’ is used to determine the switch-on
point of the coil during operation of the down counter.
9.5.4 Injection duration calculation
The main criteria for the quantity of fuel required ...
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Publisher Resources

ISBN: 9781317931287