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Test Methods


          Peter Heinrich
          engineering/business/consulting




                                        1
Test Methods
How to find the right test method


                       technical product




                           Damage
                                           2
Test Methods
How to find the right test method




                                                                                    product level
                                                                       Damage



                 Damage impact matrix
                        Pos. 1   Pos. 1     Pos. 1   Pos. 2   Pos. 3
                         wear    deposits   ...      …

              impact




                                                                                    test
                                                                                3
Test Methods
 How to find the right test method




                                                                                                           product level
                        Damage impact matrix
                                   Pos. 1   Pos. 1     Pos. 1   Pos. 2   Pos. 3
                                    wear    deposits   ...      …

                    Speed         yes       no         yes      no       no




                                                                                                           testing leve l
                    Temperature   Yes       Yes        Yes      Yes      Yes

                    Pressure      yes       ?          yes      no       no

Input               Humidy        yes       no         yes      no       no              Output
- Mission profile   Operation     yes       ?          yes      yes      yes
                                                                                  - Main test sequence
                    time                                                          - Specific test sequence
- Environment
                    Fuel/oil      Yes       Yes        Yes      yes      yes      - HALT-Tests
- User                                                                            - QALT-Tests
                    …             …         …          …        …        …
-?                                                                                -…

                                                                                                       4
Test Methods
How to find the right test method




                                                                                                                          testing leve l
    Damage impact matrix
               Pos. 1   Pos. 1     Pos. 1   Pos. 2   Pos. 3   Pos. 4
                wear    deposits   ...      …        …
                                                                       -Main test sequence
                                                                           -Same impact parameters
Speed         yes       no         yes      no       no       yes          -Same impact direction
                                                                       -Specific test sequence
Temperature   Yes       Yes        Yes      Yes      Yes      Yes          -Same impact parameters
                                                                           -Different impact direction
Pressure      yes       ?          yes      no       no       no
                                                                       -Single HALT-Tests
Humidy        yes       no         yes      no       no       ?            - One parameter not know ( full factor
                                                                           testing matrix)

Operation     yes       ?          yes      yes      yes      yes
                                                                       -Multiple HALT-Tests
time
                                                                           - >=2 parameters not know ( part factor
                                                                           testing matrix)
Fuel/oil      Yes       Yes        Yes      yes      yes      Yes      - QALT-Tests
…             …         …          …        …        …                     -Specific overload test; knowledge about
                                                                           existing borders




                                                                                                                      5
Test Methods
How to find the right test method




                                                                                                                          testing leve l
    Damage impact matrix
               Pos. 1   Pos. 1     Pos. 1   Pos. 2   Pos. 3   Pos. 4
                wear    deposits   ...      …        …
                                                                       -Main test sequence
                                                                           -Same impact parameters
Speed         yes       no         yes      no       no       yes          -Same impact direction
                                                                       -Specific test sequence
Temperature   Yes       Yes        Yes      Yes      Yes      Yes          -Same impact parameters
                                                                           -Different impact direction
Pressure      yes       ?          yes      no       no       no
                                                                       -Single HALT-Tests
Humidy        yes       no         yes      no       no       ?            - One parameter not know ( full factor
                                                                           testing matrix)

Operation     yes       ?          yes      yes      yes      yes
                                                                       -Multiple HALT-Tests
time
                                                                           - >=2 parameters not know ( part factor
                                                                           testing matrix)
Fuel/oil      Yes       Yes        Yes      yes      yes      Yes      - QALT-Tests
…             …         …          …        …        …                     -Specific overload test; knowledge about
                                                                           existing borders




                                                                                                                      6
Test Methods
How to find the right test method




                                                                                                                          testing leve l
    Damage impact matrix
               Pos. 1   Pos. 1     Pos. 1   Pos. 2   Pos. 3   Pos. 4
                wear    deposits   ...      …        …
                                                                       -Main test sequence
                                                                           -Same impact parameters
Speed         yes       no         yes      no       no       yes          -Same impact direction
                                                                       -Specific test sequence
Temperature   Yes       Yes        Yes      Yes      Yes      Yes          -Same impact parameters
                                                                           -Different impact direction
Pressure      yes       ?          yes      no       no       no
                                                                       -Single HALT-Tests
Humidy        yes       no         yes      no       no       ?            - One parameter not know ( full factor
                                                                           testing matrix)

Operation     yes       ?          yes      yes      yes      yes
                                                                       -Multiple HALT-Tests
time
                                                                           - >=2 parameters not know ( part factor
                                                                           testing matrix)
Fuel/oil      Yes       Yes        Yes      yes      yes      Yes      - QALT-Tests
…             …         …          …        …        …                     -Specific overload test; knowledge about
                                                                           existing borders




                                                                                                                      7
Test Methods
How to find the right test method




                                                                                                                          testing leve l
    Damage impact matrix
               Pos. 1   Pos. 1     Pos. 1   Pos. 2   Pos. 3   Pos. 4
                wear    deposits   ...      …        …
                                                                       -Main test sequence
                                                                           -Same impact parameters
Speed         yes       no         yes      no       no       yes          -Same impact direction
                                                                       -Specific test sequence
Temperature   Yes       Yes        Yes      Yes      Yes      Yes          -Same impact parameters
                                                                           -Different impact direction
Pressure      yes       ?          yes      no       no       no
                                                                       -Single HALT-Tests
Humidy        yes       no         yes      no       no       ?            - One parameter not know ( full factor
                                                                           testing matrix)

Operation     yes       ?          yes      yes      yes      yes
                                                                       -Multiple HALT-Tests
time
                                                                           - >=2 parameters not know ( part factor
                                                                           testing matrix)
Fuel/oil      Yes       Yes        Yes      yes      yes      Yes      - QALT-Tests
…             …         …          …        …        …                     -Specific overload test; knowledge about
                                                                           existing borders




                                                                                                                      8
Test Methods
How to find the right test method




                                                                                                                          testing leve l
    Damage impact matrix
               Pos. 1   Pos. 1     Pos. 1   Pos. 2   Pos. 3   Pos. 4
                wear    deposits   ...      …        …
                                                                       -Main test sequence
                                                                           -Same impact parameters
Speed         yes       no         yes      no       no       yes          -Same impact direction
                                                                       -Specific test sequence
Temperature   Yes       Yes        Yes      Yes      Yes      Yes          -Same impact parameters
                                                                           -Different impact direction
Pressure      yes       ?          yes      no       no       no
                                                                       -Single HALT-Tests
Humidy        yes       no         yes      no       no       ?            - One parameter not know ( full factor
                                                                           testing matrix)

Operation     yes       ?          yes      yes      yes      yes
                                                                       -Multiple HALT-Tests
time
                                                                           - >=2 parameters not know ( part factor
                                                                           testing matrix)
Fuel/oil      Yes       Yes        Yes      yes      yes      Yes      - QALT-Tests
…             …         …          …        …        …                     -Specific overload test; knowledge about
                                                                           existing borders




                                                                                                                      9
Test Methods
How to find the right test method                                                                         -Main test sequence
                                                                                                                                -Same impact parameters




                                                                                                                                                                                                                                                                    testing leve l
                                                                                                                                -Same impact direction
    Damage impact matrix
               Pos. 1   Pos. 1   Pos. 2
                wear    ...      …                                                                                                                                        - Mission profil
                                                                                                                                                                                  tractor field


Speed         yes       yes      no
                                                                                                                                                                                                             tractor road

Temperature   Yes       Yes      Yes

Pressure      yes       yes      no                                                                                                                                                       excavator


Humidy        yes       yes      no
                                                                                                                                                                                                    wheel loader

Operation     yes       yes      yes                                                            BMW 330 d                                                   Map displays the current situation. Changes may occur due to changing fuel standards.
time                                                    90,00%
                                                                                                                                                            e.g. Biodiesel content or desulfurization


                                                        80,00%
                                                                          - Environment
Fuel/oil      Yes       Yes      yes                    70,00%


                                                        60,00%
                                                                                                                      city
                                                                                                                      rural
                                                                                                                                                                                                                    - User
…             …         …        …
                                                                                                                      highway




                                                                                                                                                                                                                    -?
                                            timeshare




                                                        50,00%
                                                                                                                                Fuel from filling station
                                                        40,00%                                                                  SGS/AAM data


                                                        30,00%                                                                  Corrosion Protection
                                                                                                                                       • Good
                                                        20,00%
                                                                                                                                       • Acceptable
                                                        10,00%
                                                                                                                                       • Poor
                                                        0,00%                                                                          • no data
                                                                 0   10    20   30         40        50          60   70          80
                                                                                     temperature CP inlet [°C]
                                                                                                                                                                                      source: SGS world wide fuel surveys 2006 - 2008, SGS surveys USA and Russia
                                                                                                                                                                                      AAM surveys North America




                                                                                                                                                                                                                                                              10
Test Methods
        How to find the right test method                                                                                                                        -Main test sequence
                                                                                                                                                                     -Same impact parameters




                                                                                                                                                                                                    testing leve l
                                                                                                                                                                     -Same impact direction

                                                          Input                                                                                                       Output
                                                                                                                         tractor field

                                                                                                                    - Mission profil
                                                                                                                           tractor road            Speed

                                                                                                                 excavator
                                                                                                                                                   Temperature

                                                                                                                                                   Pressure
                                                                            BMW 330 d
                                                                                                                      wheel loader
                           90,00%


                           80,00%                                                                                                                  Humidy
                           70,00%




                                                                                                                        - Environment
                                                                                                  city
                           60,00%


                                                                                                                                                   Operation time
                                                                                                  rural
                                                                                                  highway
               timeshare




                           50,00%


                           40,00%


                           30,00%
                                                                                                                                                   Fuel/oil
                           20,00%




                                                                                                                                                   …
                           10,00%


                           0,00%
                                       0      10     20     30         40        50          60   70        80




                                                                                                                                - User
                                                                 temperature CP inlet [°C]


                                    Map displays the current situation. Changes may occur due to changing fuel standards.
                                    e.g. Biodiesel content or desulfurization




                                                                                                                                -?
Fuel from filling station
SGS/AAM data

Corrosion Protection
     • Good
     • Acceptable
     • Poor
     • no data

                                                                 source: SGS world wide fuel surveys 2006 - 2008, SGS surveys USA and Russia
                                                                 AAM surveys North America




                                                                                                                                                                                               11
Test Methods
    How to find the right test method                                                                                                                 -Main test sequence
                                                                                                                                                          -Same impact parameters




                                                                                                                                                                                                testing leve l
                                                                                                                                                          -Same impact direction

                                                   Input                                                                                                   Output
                                                                                                                  tractor field

                                                                                                             - Mission profil
                                                                                                                    tractor road

                                                                                                                                                  -Static parameter
                                                                                                          excavator
                                                                                                                                                  -Semi-static parameter
                                                                     BMW 330 d
                                                                                                               wheel loader
                       90,00%


                       80,00%


                       70,00%




                                                                                                                 - Environment
                                                                                           city
                       60,00%                                                              rural
                                                                                           highway
           timeshare




                       50,00%


                       40,00%


                       30,00%


                       20,00%
                                                                                                                                                               With single correlation
                                                                                                                         - User                                (r >= 0.85)
                       10,00%


                       0,00%
                                0     10      20     30         40        50          60   70        80
                                                          temperature CP inlet [°C]




                                Map displays the current situation. Changes may occur due to changing fuel standards.
                                e.g. Biodiesel content or desulfurization                                                -?
                                                                                                                                                 -dynamic parameter
Fuel from filling station
SGS/AAM data

Corrosion Protection
     • Good
     • Acceptable
                                                                                                                                                               With multiple correlation
     • Poor
     • no data

                                                              source: SGS world wide fuel surveys 2006 - 2008, SGS surveys USA and Russia
                                                                                                                                                               (r >= 0.85)
                                                              AAM surveys North America




                                                                                                                                                                                           12
Test Methods
How to find the right test method                -Main test sequence
                                                     -Same impact parameters




                                                                                                testing leve l
                                                     -Same impact direction

                               Output                            Increased stress
       -Semi-static
       -Static




                 no correlation         FFT


                                        Test
     -dynamic




                 single correlation     seque
                                        nce
                 multiple correlation   anlyse
                                                                                    time
                                        s

                                                                                           13
Test Methods
How to find the right test method                -specific test sequence
                                                     -Same impact parameters




                                                                                                 testing leve l
                                                     -Different impact direction

                               Output                             Increased stress
       -Semi-static
       -Static




                 no correlation         FFT


                                        Test
     -dynamic




                 single correlation     seque
                                        nce
                 multiple correlation   anlyse
                                                                                     time
                                        s

                                                                                            14
Test Methods
How to find the right test method




                                                                           testing leve l
    Damage impact matrix
              Pos. 4
                       -Main test sequence
                           -Same impact parameters
Speed         yes          -Same impact direction
                       -Specific test sequence
Temperature   Yes          -Same impact parameters
                           -Different impact direction
Pressure      no
                       -Single HALT-Tests
Humidy        ?            - One parameter not know ( full factor
                           testing matrix)

Operation     yes
                       -Multiple HALT-Tests
time
                           - >=2 parameters not know ( part factor
                           testing matrix)
Fuel/oil      Yes      - QALT-Tests
…                          -Specific overload test; knowledge about
                           existing borders




                                                                      15
Test Methods
How to find the right test method                     -Single HALT Test
                                                          - one impact parameter not known




                                                                                                         testing leve l
                               Output            Step 1           Step 2           Step n
        -Semi-
        -Static

        static




                 no correlation         FFT
      -dynamic




                                        Test
                 single correlation     seque
                 multiple correlation   nce
                                        anlyse
                                        s
     -Unkown
     impact




                                                                                             time


                                                                                                    16
Test Methods
How to find the right test method                 -Single HALT Test
                                                         - one impact parameter not known




                                                                                                         testing leve l
                        Output
                                       Step 1   Step 2              Step n             limits



                           parameter
       -Unkown impact




                                                                                            technical
                                                                                            field use
                                                                                            specification




                                                                                                    17

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001 2012 Test Methods 10.01.2012

  • 1. Test Methods Peter Heinrich engineering/business/consulting 1
  • 2. Test Methods How to find the right test method technical product Damage 2
  • 3. Test Methods How to find the right test method product level Damage Damage impact matrix Pos. 1 Pos. 1 Pos. 1 Pos. 2 Pos. 3 wear deposits ... … impact test 3
  • 4. Test Methods How to find the right test method product level Damage impact matrix Pos. 1 Pos. 1 Pos. 1 Pos. 2 Pos. 3 wear deposits ... … Speed yes no yes no no testing leve l Temperature Yes Yes Yes Yes Yes Pressure yes ? yes no no Input Humidy yes no yes no no Output - Mission profile Operation yes ? yes yes yes - Main test sequence time - Specific test sequence - Environment Fuel/oil Yes Yes Yes yes yes - HALT-Tests - User - QALT-Tests … … … … … … -? -… 4
  • 5. Test Methods How to find the right test method testing leve l Damage impact matrix Pos. 1 Pos. 1 Pos. 1 Pos. 2 Pos. 3 Pos. 4 wear deposits ... … … -Main test sequence -Same impact parameters Speed yes no yes no no yes -Same impact direction -Specific test sequence Temperature Yes Yes Yes Yes Yes Yes -Same impact parameters -Different impact direction Pressure yes ? yes no no no -Single HALT-Tests Humidy yes no yes no no ? - One parameter not know ( full factor testing matrix) Operation yes ? yes yes yes yes -Multiple HALT-Tests time - >=2 parameters not know ( part factor testing matrix) Fuel/oil Yes Yes Yes yes yes Yes - QALT-Tests … … … … … … -Specific overload test; knowledge about existing borders 5
  • 6. Test Methods How to find the right test method testing leve l Damage impact matrix Pos. 1 Pos. 1 Pos. 1 Pos. 2 Pos. 3 Pos. 4 wear deposits ... … … -Main test sequence -Same impact parameters Speed yes no yes no no yes -Same impact direction -Specific test sequence Temperature Yes Yes Yes Yes Yes Yes -Same impact parameters -Different impact direction Pressure yes ? yes no no no -Single HALT-Tests Humidy yes no yes no no ? - One parameter not know ( full factor testing matrix) Operation yes ? yes yes yes yes -Multiple HALT-Tests time - >=2 parameters not know ( part factor testing matrix) Fuel/oil Yes Yes Yes yes yes Yes - QALT-Tests … … … … … … -Specific overload test; knowledge about existing borders 6
  • 7. Test Methods How to find the right test method testing leve l Damage impact matrix Pos. 1 Pos. 1 Pos. 1 Pos. 2 Pos. 3 Pos. 4 wear deposits ... … … -Main test sequence -Same impact parameters Speed yes no yes no no yes -Same impact direction -Specific test sequence Temperature Yes Yes Yes Yes Yes Yes -Same impact parameters -Different impact direction Pressure yes ? yes no no no -Single HALT-Tests Humidy yes no yes no no ? - One parameter not know ( full factor testing matrix) Operation yes ? yes yes yes yes -Multiple HALT-Tests time - >=2 parameters not know ( part factor testing matrix) Fuel/oil Yes Yes Yes yes yes Yes - QALT-Tests … … … … … … -Specific overload test; knowledge about existing borders 7
  • 8. Test Methods How to find the right test method testing leve l Damage impact matrix Pos. 1 Pos. 1 Pos. 1 Pos. 2 Pos. 3 Pos. 4 wear deposits ... … … -Main test sequence -Same impact parameters Speed yes no yes no no yes -Same impact direction -Specific test sequence Temperature Yes Yes Yes Yes Yes Yes -Same impact parameters -Different impact direction Pressure yes ? yes no no no -Single HALT-Tests Humidy yes no yes no no ? - One parameter not know ( full factor testing matrix) Operation yes ? yes yes yes yes -Multiple HALT-Tests time - >=2 parameters not know ( part factor testing matrix) Fuel/oil Yes Yes Yes yes yes Yes - QALT-Tests … … … … … … -Specific overload test; knowledge about existing borders 8
  • 9. Test Methods How to find the right test method testing leve l Damage impact matrix Pos. 1 Pos. 1 Pos. 1 Pos. 2 Pos. 3 Pos. 4 wear deposits ... … … -Main test sequence -Same impact parameters Speed yes no yes no no yes -Same impact direction -Specific test sequence Temperature Yes Yes Yes Yes Yes Yes -Same impact parameters -Different impact direction Pressure yes ? yes no no no -Single HALT-Tests Humidy yes no yes no no ? - One parameter not know ( full factor testing matrix) Operation yes ? yes yes yes yes -Multiple HALT-Tests time - >=2 parameters not know ( part factor testing matrix) Fuel/oil Yes Yes Yes yes yes Yes - QALT-Tests … … … … … … -Specific overload test; knowledge about existing borders 9
  • 10. Test Methods How to find the right test method -Main test sequence -Same impact parameters testing leve l -Same impact direction Damage impact matrix Pos. 1 Pos. 1 Pos. 2 wear ... … - Mission profil tractor field Speed yes yes no tractor road Temperature Yes Yes Yes Pressure yes yes no excavator Humidy yes yes no wheel loader Operation yes yes yes BMW 330 d Map displays the current situation. Changes may occur due to changing fuel standards. time 90,00% e.g. Biodiesel content or desulfurization 80,00% - Environment Fuel/oil Yes Yes yes 70,00% 60,00% city rural - User … … … … highway -? timeshare 50,00% Fuel from filling station 40,00% SGS/AAM data 30,00% Corrosion Protection • Good 20,00% • Acceptable 10,00% • Poor 0,00% • no data 0 10 20 30 40 50 60 70 80 temperature CP inlet [°C] source: SGS world wide fuel surveys 2006 - 2008, SGS surveys USA and Russia AAM surveys North America 10
  • 11. Test Methods How to find the right test method -Main test sequence -Same impact parameters testing leve l -Same impact direction Input Output tractor field - Mission profil tractor road Speed excavator Temperature Pressure BMW 330 d wheel loader 90,00% 80,00% Humidy 70,00% - Environment city 60,00% Operation time rural highway timeshare 50,00% 40,00% 30,00% Fuel/oil 20,00% … 10,00% 0,00% 0 10 20 30 40 50 60 70 80 - User temperature CP inlet [°C] Map displays the current situation. Changes may occur due to changing fuel standards. e.g. Biodiesel content or desulfurization -? Fuel from filling station SGS/AAM data Corrosion Protection • Good • Acceptable • Poor • no data source: SGS world wide fuel surveys 2006 - 2008, SGS surveys USA and Russia AAM surveys North America 11
  • 12. Test Methods How to find the right test method -Main test sequence -Same impact parameters testing leve l -Same impact direction Input Output tractor field - Mission profil tractor road -Static parameter excavator -Semi-static parameter BMW 330 d wheel loader 90,00% 80,00% 70,00% - Environment city 60,00% rural highway timeshare 50,00% 40,00% 30,00% 20,00% With single correlation - User (r >= 0.85) 10,00% 0,00% 0 10 20 30 40 50 60 70 80 temperature CP inlet [°C] Map displays the current situation. Changes may occur due to changing fuel standards. e.g. Biodiesel content or desulfurization -? -dynamic parameter Fuel from filling station SGS/AAM data Corrosion Protection • Good • Acceptable With multiple correlation • Poor • no data source: SGS world wide fuel surveys 2006 - 2008, SGS surveys USA and Russia (r >= 0.85) AAM surveys North America 12
  • 13. Test Methods How to find the right test method -Main test sequence -Same impact parameters testing leve l -Same impact direction Output Increased stress -Semi-static -Static no correlation FFT Test -dynamic single correlation seque nce multiple correlation anlyse time s 13
  • 14. Test Methods How to find the right test method -specific test sequence -Same impact parameters testing leve l -Different impact direction Output Increased stress -Semi-static -Static no correlation FFT Test -dynamic single correlation seque nce multiple correlation anlyse time s 14
  • 15. Test Methods How to find the right test method testing leve l Damage impact matrix Pos. 4 -Main test sequence -Same impact parameters Speed yes -Same impact direction -Specific test sequence Temperature Yes -Same impact parameters -Different impact direction Pressure no -Single HALT-Tests Humidy ? - One parameter not know ( full factor testing matrix) Operation yes -Multiple HALT-Tests time - >=2 parameters not know ( part factor testing matrix) Fuel/oil Yes - QALT-Tests … -Specific overload test; knowledge about existing borders 15
  • 16. Test Methods How to find the right test method -Single HALT Test - one impact parameter not known testing leve l Output Step 1 Step 2 Step n -Semi- -Static static no correlation FFT -dynamic Test single correlation seque multiple correlation nce anlyse s -Unkown impact time 16
  • 17. Test Methods How to find the right test method -Single HALT Test - one impact parameter not known testing leve l Output Step 1 Step 2 Step n limits parameter -Unkown impact technical field use specification 17