Model-Based Calibration Toolbox JumpStart
                                   p
Service:
Common-Rail CI E i With V i bl G
C...
Agenda
 Introduction
 Design of experiments
 Loading and sorting data
 Building models of engine responses




       ...
Course Problem Statement
   Produce optimal calibration tables in speed and torque for
             p                    ...
Test Configuration
     I/O of 9.0L Diesel Engine with EGR, VGT


VGT Position                               Brake Torque
...
Course P bl
         C      Problem St t
                        Statement
                                t
     I/O of 9...
Preview of Course Calibration Results*



      MAIN SOI Table         MAIN Fuel Table       EGR Mass Fraction Table




 ...
Agenda
 Introduction
 Design of experiments
 Loading and sorting data
 Building models of engine responses




       ...
Generate Experimental Design


    16




                                             hWorks, Inc.
                      ...
Agenda
   Introduction
   Design of experiments
   Loading and sorting data
   Building models of engine responses



...
65 pt V Optimal Data Ready for MBC Import
      V-Optimal




                                                          hW...
Review Data     24




19




                                        hWorks, Inc.
                    22
         20




...
Agenda
 Introduction
  I t d ti
 Design of experiments
       g       p
 Loading and sorting data
 Building models of ...
Review Final Model
                                                         5
        2                                   ...
Review Boundary Model   40


39




                                                hWorks, Inc.
                         ...
Export Models For Other Users

                                                      4


                                 ...
Export Models For Other Users




                                                                hWorks, Inc.
           ...
Agenda
 Introduction
 Design of experiments
 Loading and sorting data
 Building models of engine responses




       ...
Load Models of Engine Responses

    7                               Review your imported
                               ...
Set Up Tables: Completed Table List




                                                    hWorks, Inc.
                 ...
Optimization Strategy: Define New Optimization

                                      Specify 5 optimization
            ...
Run Optimization: Sum Optimization


8         9




                                                       hWorks, Inc.
 ...
2
                         3


             4
                                      1
                                    ...
Review Calibration Sensitivity In Tradeoff

      12

             13




                                                ...
Export Calibration Tables




      2




                                              hWorks, Inc.
                     ...
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Diesel Engine Calibration

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Diesel Engine Calibration

  1. 1. Model-Based Calibration Toolbox JumpStart p Service: Common-Rail CI E i With V i bl G C R il Engine Variable Geometry T b h t Turbocharger and C l d EGR d Cooled orks, Inc. © 20 The MathWo 009 The MathWorks Consulting
  2. 2. Agenda  Introduction  Design of experiments  Loading and sorting data  Building models of engine responses hWorks, Inc.  Producing optimized calibrations © 2009 The Math  Review 2
  3. 3. Course Problem Statement  Produce optimal calibration tables in speed and torque for p p q  best injection timing  best fuel mass/inj  best fuel pressure  best VGT Position  best EGR position and mass fraction  Minimize Mi i i mode-weighted b k specific f l consumption, d i ht d brake ifi fuel ti hWorks, Inc. subject to constraints on  8-mode weighted NO © 2009 The Math  Turbo. Turbo speed  averaged peak cylinder pressure  exhaust AFR by mode 3
  4. 4. Test Configuration I/O of 9.0L Diesel Engine with EGR, VGT VGT Position Brake Torque Engine Out NO EGR Position Exhaust AFR SOI Turbo. Speed Peak Pressure P kP hWorks, Inc. Fuel Pressure EGR Fraction © 2009 The Math RPM Fuel Mass/Inj 4
  5. 5. Course P bl C Problem St t Statement t I/O of 9.0L Diesel Engine with EGR, VGT BSFC Brake Torque Objective VGT Position Engine Out NO EGR Position Exhaust AFR E h t Constraints SOI Turbo. Speed Peak Pressure Fuel Pressure EGR Fraction Used to hWorks, Inc. Used To Build Build Optimal Tables Extra Table © 2009 The Math RPM Fuel Mass/Inj Minimize mode-weighted brake specific fuel consumption mode weighted consumption, subject to multiple mode-based output constraints 5
  6. 6. Preview of Course Calibration Results* MAIN SOI Table MAIN Fuel Table EGR Mass Fraction Table hWorks, Inc. © 2009 The Math Fuel Pressure Table VGT Rack Position Table *Note: this table format assumes a torque-based engine control strategy 6
  7. 7. Agenda  Introduction  Design of experiments  Loading and sorting data  Building models of engine responses hWorks, Inc.  Producing optimized calibrations © 2009 The Math  Review 7
  8. 8. Generate Experimental Design 16 hWorks, Inc. © 2009 The Math 8
  9. 9. Agenda  Introduction  Design of experiments  Loading and sorting data  Building models of engine responses hWorks, Inc.  Producing optimized calibrations © 2009 The Math  Review R i 9
  10. 10. 65 pt V Optimal Data Ready for MBC Import V-Optimal hWorks, Inc. © 2009 The Math CI_DoE_Data.xls 10
  11. 11. Review Data 24 19 hWorks, Inc. 22 20 © 2009 The Math 17 21 23 18 11
  12. 12. Agenda  Introduction I t d ti  Design of experiments g p  Loading and sorting data  Building models of engine responses hWorks, Inc.  Producing optimized calibrations © 2009 The Math  Review 12
  13. 13. Review Final Model 5 2 6 1 3 hWorks, Inc. © 2009 The Math Extrapolation Will Be Prevented By Boundary 4 Model In Optimization Later 13
  14. 14. Review Boundary Model 40 39 hWorks, Inc. © 2009 The Math 14
  15. 15. Export Models For Other Users 4 Model Description Input Order 5 hWorks, Inc. Brake Torque Value Input Order: © 2009 The Math MAINSOI, SPEED, MAINFUEL, FUELPRESS, EGRPOS, VGTPOS 6 Boundary Model Value Values < 0 are within bounds 15
  16. 16. Export Models For Other Users hWorks, Inc. © 2009 The Math Use Your Accurate, Fast Torque Model in: •Hardware In The Loop Testing (HIL) •Performance and Fuel Economy Simulation P f dF lE Si l ti •Control Design Activity 16
  17. 17. Agenda  Introduction  Design of experiments  Loading and sorting data  Building models of engine responses hWorks, Inc.  Producing optimized calibrations © 2009 The Math  Review 17
  18. 18. Load Models of Engine Responses 7  Review your imported Models in the CAGE tool hWorks, Inc. © 2009 The Math 6 8 18
  19. 19. Set Up Tables: Completed Table List hWorks, Inc. © 2009 The Math 19
  20. 20. Optimization Strategy: Define New Optimization  Specify 5 optimization variables - SOI ariables SOI, MAINFUEL, EGR Position, VGT Position, and Fuel 4 Pressure 5  Specify 2 constraints for now hWorks, Inc. 6 © 2009 The Math 20
  21. 21. Run Optimization: Sum Optimization 8 9 hWorks, Inc. 10 © 2009 The Math 11 12 21
  22. 22. 2 3 4 1 Fill Tables 5 7 6 8 © 2009 The Math hWorks, Inc. 22
  23. 23. Review Calibration Sensitivity In Tradeoff 12 13 hWorks, Inc. © 2009 The Math 23
  24. 24. Export Calibration Tables 2 hWorks, Inc. © 2009 The Math 1 3 24

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