Make skidding a thing of the past (PDF 1.85 MB)

Chassis Systems Control
Make skidding a thing of the past
with the Electronic Stability Program ESP®
safe
Electronic Stability Program ESP® | 3
2 | Chassis Systems Control | Electronic Stability Program ESP®
ESP® saves lives
Skidding is one of the main causes of major traffic accidents.
A wet, dirt-covered or slippery road surface; a sharp bend that
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in maximal 3 Zeilen.
takes you by surprise; the sudden appearance of an obstacle
in the road that forces you to perform an evasive maneuver —
In many countries, including the USA, Canada, Australia, Russia,
Israel, Japan, Korea and the European Union, positive results
of effectiveness studies have already led to the introduction of
statutory regulations.
all of these things can cause you to lose control of your vehicle
and begin to skid. The Electronic Stability Program ESP® can
Auf der Straße ist es wie im Leben. Man weiß nie genau, was
provide effective support in critical driving situations such as
als nächstes kommt. Deshalb ist es wichtig eine Technologie
these. It can detect a loss of control at an early stage and within
mit an Bord zu haben, die Gefahren frühzeitig erkennt. Und Ihphysical limits, stabilize your vehicle.
nen hilft, brenzlige Situationen zu bewältigen. Eine unerwartet
scharfe Kurve, ein plötzliches Hindernis auf der Straße – mit
Numerous international studies commissioned by well-known
ESP® sind Sie überall sicherer unterwegs ...
automotive manufacturers and safety authorities confirm the
effectiveness of ESP®: up to 80 percent of all skid-related
wenn dieser erforderlich ist. Hier steht der Introtext bevorzugt,
crashes could be prevented if all vehicles were equipped with
wenn dieser erforderlich ist. Ansonsten kann dieser Platz auch
this life-saving technology. In Europe alone, standard installation
für Copy genutzt werden. Die Höhe der Kleinbuchstaben des Inof ESP® could save up to 4,000 lives and prevent as many as
trotextes und die Versalhöhe der Copy bilden eine Linie und ha100,000 injuries every year*.
ben so den gleichen Stand, auch im Raster. Der Introtext ist in
Bosch Grau (60% schwarz) in der Bosch Sans Light 11 pt auf
* University of Cologne, 2007
6,0 mm Zeilenabstand bzw. 17,008 pt. Breite 120 mm oder 57,6
mm.
The United Nations (UN) has declared the period from 2011
to 2020 as the “Decade of Action for Road Safety.” The aim
of this initiative is to half the number of road traffic casualties
worldwide by 2020. The initiative action plan recommends
fitting all vehicles with ESP®. Just like seat belts and airbags,
ESP® plays an important role in saving lives.
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4 | Chassis Systems Control | Electronic Stability Program ESP®
An unexpected curved path: The vehicle understeers.
A vehicle without ESP® will move out of lane.
ESP® systematically brakes the rear inside wheel.
The vehicle stays in lane.
A sudden obstacle: The vehicle oversteers.
A vehicle without ESP® would start to skid.
ESP® systematically brakes the front outside
wheel. The vehicle can avoid the obstacle.
ESP® provides support
in critical driving situations
Sudden maneuvers such as sharp steering and countersteering, an unexpected lane change or avoidance of a sudden
obstacle all dramatically increase the risk of skidding — even
for experienced drivers.
The Electronic Stability Program ESP®
is not sufficient, the system additio-
If ESP® detects that the vehicle is un-
If the driver has to perform an evasive
uses intelligent sensors to check 25
nally brakes individual wheels.
dersteering when going into a bend —
maneuver to avoid an obstacle that
e.g. the vehicle is following a straight-
has suddenly appeared in the road,
times a second, whether the driver’s
steering input corresponds to the
This approach allows ESP® to gene-
line trajectory at the front axle despite
the vehicle may begin to oversteer —
vehicle’s direction of travel.
rate the necessary counterforce
the wheels having been turned — the
e.g. to swerve out at the rear. If ESP®
so the vehicle reacts as the driver
system reduces the engine torque
detects the occurrence of this situati-
intends.
and brakes the rear inside wheel to
on, the system reduces engine torque
stabilize the vehicle.
and systematically brakes the front
If ESP® detects an incompatibility
and identifies that the vehicle is likely
to become unstable, the system inter-
outside wheel. This action produces
venes: it reduces engine torque to
a stabilizing counter torque to coun-
restore vehicle stability. If this action
teract the oversteer tendency.
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Value-added functions expand the potential of ESP®.
For example: The value-added functions can provide
greater convenience when pulling away on an incline
or ensure that interventions by ABS, TCS and
ESP® are tailored to the vehicle load.
ESP® can do so much more too
Brief answers to some questions about ESP®
If your vehicle is equipped with ESP®,
The Bosch Group developed ABS,
the vehicle from rolling backward

Is ESP® known by any other names?
rers offer an “ESP® off” button in
the vehicle in critical situations,
you also have the added benefit of-
TCS and ESP®, and was the first ma-
when the brake pedal is released.
Yes. Some vehicle manufacturers
their vehicles. At the touch of a
though you should always remain
fered by the Antilock Braking System
nufacturer to introduce them in a
use the names VSA (Vehicle Stability
button, in most cases the Traction
alert and drive carefully.
(ABS) and the Traction Control Sy-
passenger car. The first ESP® system
Another function is Load Adaptive
Assist) or VSC (Vehicle Stability
Control System (TCS) is switched
stem (TCS). ABS prevents the wheels
was launched in 1995.
Control, which adapts the ESP® in-
Control), for example. In the USA,
off; the stabilization functions
from locking, ensuring that the vehicle

Can I have ESP® retrofitted in my
terventions and the ABS and TCS
Canada and Japan it is referred
provided by ESP® remain active.
vehicle?
remains steerable and stable during
ESP® value-added functions
function to the vehicle load in light
to as ESC (Electronic Stability Con-
An indicator light in the speedo-
No, it is not possible to retrofit ESP®.
braking. TCS ensures that the drive
The main task of ESP® is to prevent
commercial vehicles.
trol). Despite the different names,
meter reveals whether or not the
That’s why it is important that
wheels do not slip when pulling away
the vehicle from skidding, but it has
the functionality and the added
system is deactivated. You can
you make the right decision when
and accelerating, ensuring optimum
potential to do so much more.
value that these systems offer in
find further details in your vehicle
purchasing your vehicle and select
terms of driving safety are the same.
owner’s manual.
traction.
While ABS and TCS influence the
that further increase driving safety
longitudinal dynamics of the vehicle,
and comfort. Among these is Hill Hold
starting the engine?
style if my vehicle is equipped
ESP® additionally improves the lateral
Control, which helps the driver to pull
No. ESP® is automatically on and
with ESP®?
dynamics, ensuring that the vehicle
away when on an incline by preventing
enabled as soon as the engine is
No. It is not necessary to change
started. Some vehicle manufactu-
your driving style. ESP® stabilizes
remains stable in all situations.
a model equipped with ESP®.
ESP® features value-added functions

Do I need to activate ESP® when

Do I need to change my driving
Further information is available at:
www.bosch-esperience.com
Robert Bosch GmbH
Chassis Systems Control
Postfach 13 55
74003 Heilbronn
Germany
www.bosch-automotivetechnology.com
www.bosch-esperience.com
Printed in Germany
292000P0R5-C/CCA-201109-En
Road traffic crashes take the lives of
nearly 1.3 million people every year,
and injure millions more. The goal of
the Decade of Action for Road Safety
is to stabilize and reduce the number
of lives lost by 2020, ensuring that the
vision of a world in which mobility is
safe for all who use the world’s roads
becomes a reality.
www.decadeofaction.org
The information provided is for information purposes only and does
not constitute or create any legal obligation or agreement between
Robert Bosch GmbH (or any of its affiliates or subsidiaries) and
any person or entity. The information is not a warranty, express or
implied, concerning quality, merchantability, marketability, or suitability for a specific purpose. The designs incorporated in vehicles and
the performance of the designs may vary depending on the vehicle
manufacturer’s specifications and requirements for the product and
their vehicles. We reserve the right to make product changes, adaptations and modifications without prior notice. All rights reserved.