Standardized E-GAS Monitoring Concept for
Gasoline and Diesel Engine Control Units
EGAS Workgroup _en /2015-07-13 / Version 6.0 Page 3
10.1.3.1 Inclusion of the torque loss of level 1 for “permissible torque” calculation ........................................ 28
10.1.3.2 Taking over Adaptation Values / Correction Factors from Level 1 to Level 2 (Tolerance limitation) 28
10.1.3.3 Monitoring of the Injection Output Variables from Level 1 ................................................................ 28
10.1.3.4 Monitoring of the Trigger Output Unit (e.g. TPU, PCP) ..................................................................... 28
10.1.3.5 Continuous Torque Monitoring Diesel (Torque Comparison), Reverse Calculation of Current
Torque Level 2 .................................................................................................................................. 29
10.1.3.5.1 Rail Pressure Monitoring ............................................................................................................. 29
10.1.3.5.2 Torque Relevant Efficiencies of Injection Quantities................................................................... 30
10.1.3.5.3 More Torque Relevant Efficiencies (e.g. Air Influence)............................................................... 30
10.1.3.6 Continuous Diesel Monitoring (Acceleration Comparison) ............................................................... 30
10.1.3.6.1 Level 1 Requirements ................................................................................................................. 30
10.1.3.6.2 Level 2 Requirements ................................................................................................................. 31
10.1.3.7 Continuous Diesel Monitoring, Overrun Monitoring .......................................................................... 31
10.1.3.8 Continuous acceleration-based monitoring based acceleration sensor ........................................... 31
10.1.3.8.1 Requirements to Level 2 ............................................................................................................. 32
10.1.3.9 Alternative Method for Monitoring of a permissible Set point Torque / Set point Acceleration ......... 32
10.1.3.10 Continuous Monitoring of Gasoline Concepts (Acceleration Comparison) ....................................... 35
10.1.3.10.1 Level 1 Requirements ................................................................................................................. 35
10.1.3.10.2 Level 2 Requirements ................................................................................................................. 35
10.1.4 Validation of the Torque Measurement in the ECU Network ........................................................... 36
10.1.5 Level 3 Controller Monitoring ........................................................................................................... 36
10.1.5.1 Monitoring of the Q&A Communication ............................................................................................. 37
10.1.5.1.1 Monitoring with L3_MM ............................................................................................................... 37
10.1.5.1.2 Monitoring with L3_SW of the Function Controller...................................................................... 37
10.1.5.2 Iteration Rate of the Q&A Communication ........................................................................................ 38
10.1.5.3 Test Paths of the L3_SW of the Function Controller ......................................................................... 38
10.1.5.4 Question Generating of the Monitoring Module L3_MM ................................................................... 39
10.1.5.5 Monitoring of Programmable Hardware Blocks (regardless of the function controller) .................... 39
10.1.5.6 Protection of Controller Internal Periphery ........................................................................................ 39
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