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