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8/4/2019 9. ACE_EMS_Aux_1-2
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ACE_EMS_Aux_1-2.doc C. Brdigam 1/5
Prof. Dr. Brdigam
IAE / Winter Semester 2010/11
Time Table EMS
Automotive Control EngineeringEngine Management Systems
Lect. Date Room Topic
1 7.10. E103 Spark Ignition Engine
2 14.10. E103 Conventional Engine Control System
3 21.10. E103 (Electronic) Engine Management System (EMS)
4 28.10. E103 Sensors, Actuators (Selection)
5 4.11. C025 Lab: Test Bench & Combustion Engine
6 11.11. E103 Functions: System State
7 18.11. E103 Functions: Charging
8 25.11. E103 Functions: Injection
9 2.12. E103 Functions: Ignition
10 9.12. C025 Engine test bench: Injection, Ignition
11 16.12. E103 Calibration of Engine Management Systems
12 22.12. E002 Functions: Idle Speed, Torque Mgmt., Engine Warm Up
13 13.1. E103Functions: Diagnostics, Emergency Operation, Addnl.Fcts.
14 20.1. E103
Discussion
Preparation for examination
Outlook
Modifications of planned timing may occur due to availability of lab and will beannounced in advance.
Homework: Print out scripts for EMS and CE (will be available in Intranet lateston Thursday; please check every week).
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Literature EMS
Automotive Handbook. Robert Bosch GmbH, Stuttgart, 2000. ISBN 0-7680-0669-4
Kiencke, Uwe: Automotive Control Systems. Springer Verlag, Berlin, 2005. ISBN 3-540-23139-0
Jeff Hartman: How to Tune & Modify Engine Management Systems. MotorbooksInternational, St. Paul, MN, 2003. ISBN 0-7603-1582-5
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Prof. Dr. Brdigam
IAE / Winter Semester 2010/11
Auxiliary Sheet 1 / 2
Automotive Control EngineeringEngine Management Systems
4-Stroke Engine
2 revolutions of crankshaft per 1 complete cycle
1 2 3 4Source: Automotive Handbook (Robert Bosch GmbH)
1. Aspire air/fuel mixture
2. Compress mixture and ignite some degree before TDC (Top Dead Centre)
3. Combustion creation of power
4. Exhaust burned mixture
Influence of air/fuel ratio on pollutants
Source: Automotive Handbook (Robert Bosch GmbH)
a/f ratio
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a/f ratio
Influence of air/fuel ratio on powerPand specific fuel consumption be
Source: Automotive Handbook (Robert Bosch GmbH)
a/f ratio
Influence of air/fuel ratio and ignition timing (Z) on specific fuel consumption
Source: Automotive Handbook (Robert Bosch GmbH)
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Conventional Engine Control System
Choke
Throttle
Fuel inlet
Air inlet
Float
Petrol level
Nozzle
Carburettor
12 V
Ignition key
BreakerC
Ignition coil
Spark plug
Generation of spark