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G U I D E D M E A S U R E M E N T A N D E C U C A L I B R AT I O N
G U I D E D M E A S U R E M E N T A N D E C U C A L I B R AT I O N
INCA-FLOW at Ford
Start
IN
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Efficiency gains in diesel aftertreatment systems calibration
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AUTHORS
For all types of diesel vehicles, US Environmental Protection Agency (EPA) regulations require
John Bogema is
strategies that induce drivers of vehicles with selective catalytic reduction (SCR) exhaust af-
Manager of Diesel
Calibration at Ford
Motor Company in
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Message
window
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tertreatment systems to keep diesel exhaust fluid (DEF) on board and ensure that aftertreatment systems remain functional. In practice, the inducement takes the form of a performance
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Dearborn, Michigan,
USA.
Switch page
penalty applied by the electronic control unit to the engine in certain circumstances.
Start
visualization
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Set value
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Roman Fernandez
These circumstances include a low
a warning message saying that vehi-
in INCA-FLOW and can be easily ex-
is Calibration Engineer
level of diesel exhaust fluid, incor-
cle speed will be limited to 50 mph.
tended if required. The resulting re-
at Ford Motor Com-
rect fluid in the DEF tank, or the
It then requests that the calibrator
port can be presented to agencies
pany in Dearborn,
occurrence of SCR faults. To prevent
turns the engine off, waits for an
or other stakeholders who need to
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Michigan, USA.
activation of an SCR inducement, a
ECU reset, and turns the engine on
verify the compliance of the tests.
IN
number of alerts, such as warning
again. INCA-FLOW automatically de-
lights in the instrument cluster, are
tects the ECU reset and asks the
Rajesh Reddy is
Benefits of INCA-FLOW
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Set value
Set value
Product Manager
provided to draw the driver’s atten-
calibrator if speed is again limited
The growing number of vehicle var-
INCA-FLOW at ETAS
tion to low DEF levels or the wrong
to 50 mph. It then detects a series
iants, extensive diagnostic require-
GmbH.
fluid, for example. Numerous SCR
of warning messages such as en-
ments, decrease in test vehicles, and
inducement tests have to be per-
gine idled soon, put on the parking
increasingly ambitious quality goals
formed to ensure the functionality
brake, or engine idled, see manual
require the standardization of mea-
of SCR systems.
and guides the calibrator through all
surement and calibration proce-
of them (see figure 2). At the end
dures in diesel systems. Calibration
Automation of SCR inducement
of the test, INCA-FLOW automatic-
and validation efforts can be largely
tests
ally undoes all the changes the user
reduced by employing automation,
ETAS INCA-FLOW is used to auto-
has made by copying the reference
numerical optimization, and simula-
mate the SCR inducement audit
page to the working page in the
tion methods. INCA-FLOW provides
tests. Once the INCA-FLOW script
ECU memory and ensuring that all
solutions that make in-vehicle cali-
(see figure 1) has been started, the
cluster warnings are reset.
bration and validation more effi-
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cient. The software facilitates simple
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test inserts the relevant vehicle
functions into the warning chain. It
INCA-FLOW automates the com-
graphical specification of measure-
then runs through all the messages
plete SCR inducement test series.
ment and calibration procedures to
in that chain, enters the SCR induce-
It makes sure that every test is exe-
address the demand for automation,
ment chain, and exits it at the end
cuted with the correct presets and
guidance, and documentation of cal-
of the test.
automatically generates the com-
ibration and validation processes.
plete documentation required in
And despite all the benefits it offers,
Here is how INCA-FLOW guides the
parallel. Test results are stored auto-
the tool does not require any special
calibrator in the car: first, INCA-
matically in an Excel template pro-
programming skills.
FLOW asks the calibrator to start the
vided by the user, with each change
engine. Once the script detects that
in the warning and inducement state
INCA-FLOW aims to reduce manual
the engine has started, it asks the
recorded there as well. The certifi-
calibration errors, and its results are
calibrator if the cluster is displaying
cation process itself is documented
easily reproducible for each control
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Message
window
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IN
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Copy RP to
WP
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Message
window
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T
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IN
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Set value
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Message
window
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IN
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Message
window
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Stop
visualization
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Set value
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End
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Figure 1: INCA-FLOW SCR inducement test flow chart.
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G U I D E D M E A S U R E M E N T A N D E C U C A L I B R AT I O N
G L O B A L E X PA N S I O N
27
New ETAS Location
in Canada
ETAS joins Waterloo Region’s center of technology innovation
AUTHORS
In June 2016, ETAS celebrated the opening of a new office in Waterloo Region, Canada. Working
closely with ETAS’ subsidiary and embedded security specialist ESCRYPT, ETAS Embedded Sys-
Claudia Hartwell
is Senior Marketing
tems Canada Inc. will provide integrated safety and security solutions for embedded systems.
Specialist Communications at ETAS Inc. in
Figure 2: Guided testing of SCR inducements in the vehicle with INCA-FLOW.
Friedhelm Pickhard, President of
Cooperation with local research
universities. “I’m continually impres-
Ann Arbor, Michigan,
the Board of Management of ETAS
facilities
sed with the results of cooperation
USA.
GmbH, was in attendance and deliv-
David MacFarlane, the new General
with local research facilities like the
ered the opening speech: “This new
Manager of ETAS Embedded Sys-
University of Waterloo,” MacFarlane
facility will allow us to further im-
tems Canada Inc., is not only an ex-
says. “Our local universities have tal-
is General Manager
David MacFarlane
function and variant. User-defined
The XCP gateway enables the user
skilling phase for new calibrators
prove our development and consult-
pert in cyber security, he is also a
ented students and produce high-
at ETAS Embedded
variables such as counters, Boolean
to analyze the MDF data easily
and the fact that best practice in cal-
ing capabilities and strengthen our
graduate of the University of Water-
quality graduates, so I’m excited to
Systems Canada Inc.
values, and timers employed in the
should any problems occur.
ibration can be established through-
position as a provider of innovative
loo. It should come as no surprise
develop partnerships and offer re-
in Kitchener, Ontario,
out the company. In addition to SCR
solutions for embedded systems. It
that ETAS will expand its research
warding placements in the area of
Canada.
activities in cooperation with local
embedded security.”
INCA-FLOW calibration procedure
are viewable in the INCA experi-
Conclusion
inducement testing, INCA-FLOW is
will be a valuable addition to our net-
ment through the XCP gateway (see
Engineers can plan the calibration
used for other auto-calibration and
work of locations offering end-to-
figure 3). Through this mechanism,
tasks at their desk in the office, in
validation tests at the Ford Motor
end safety and security solutions.”
user-defined values in INCA-FLOW
order to make the most of their time
Company such as emission control,
are stored in the same MDF file
in the test vehicle. Other important
onboard diagnostics (OBD), and
Waterloo Region is an incubator
as ECU data acquired with INCA.
benefits include the improved up-
drivability.
for innovation
With its new office in Waterloo Region – more specific, in the city of
Kitchener, Ontario – ETAS joins an
ETAS INCA-FLOW
ecosystem of innovative technology
XCP gateway
User-defined elements
ASAP3 client
ASAP3
server
Testbench
control
companies and research institutes and
is strategically placed to collaborate
with world-class education facilities,
including the University of Waterloo.
XCP server
Thomas Wollinger, Managing Director at ESCRYPT GmbH, is excited
about the Canadian office: “We have
XCP
taken an important step in continETAS INCA
ECU
Engine
uing the internationalization of our
business. Waterloo is an incubator for
innovation – especially with regard
Figure 3: The XCP gateway integrated into INCA-FLOW allows INCA to access values of variables that have been defined
to automotive security solutions.
Opening ceremony of the new ETAS location (from left to right): Tony LaMantia, CEO of the Waterloo
by the user in INCA-FLOW as a function of time. When INCA-FLOW is connected to the test-bench control via ASAP3 or
ESCRYPT’s focus for the new loca-
Region Economic Development Corporation; Thomas Wollinger, Managing Director of ESCRYPT GmbH;
CAN, the values of testbench parameters such as load or speed can also be accessed by INCA through the XCP gateway.
tion will be to develop comprehen-
David MacFarlane, General Manager of ETAS Embedded Systems Canada Inc.; Friedhelm Pickhard, President
INCA integrates all required data into one measurement file.
sive cyber defense solutions for cars.”
of the ETAS Board of Management; Berry Vrbanovic, Mayor, City of Kitchener.