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System Description


The Electronic Stability Control ESC is an active safety system, which improves the dynamic stability of the vehicle. Through selective brake interventions at individual wheels ESC keeps the vehicle on track and prevents it to skid uncontrollably.

 

Current Guidelines


According to Regulation FMVSS126 ESC is mandatory for all newly registered passenger cars in the U.S. since 2012. This regulation was transferred to the United Nations ECE R13H regulation that applies to the European Member States and many countries in Asia. Accordingly, in Europe all newly licensed cars must to be equipped by 2014 with an ESC system. Since 2011, Euro NCAP includes the ESC systems in the rating.

 

Test Description


VEHICO SinewithDwell For the homologation tests according to FMVSS126 and ECE R13H as well as for the Euro NCAP tests the systems are tested and judged with the "Sine with Dwell" test maneuvers. For this purpose, tests are run with an unchanging steering angle curve at increasingly higher amplitudes. At a vehicle speed of 80 km/h steering angles of up to +/-270 degrees are applied. A complete test precedure can have as up to 60 single test runs.

 

Test Equipment


VEHICO SteeringRobotCS-B h150px The steering angle accuracy required for the test with extreme steering angular rates of up to 1200 degrees per second can only be met by a steering robot. For the test procedure the VEHICO Steering Robot CS-B and a suitable sensor system is installed in the vehicle. Our steering robot is installed behind the vehicle steering wheel so that the steering wheel must not be removed for installation. Since the entire area in front of the steering wheel remains free, the safety-critical space for the airbag deployment between the steering wheel and the driver is not affected, as well as the operation of the vehicle by the driver. The original steering wheel remains in place. A time and cost consuming production of a steering wheel adapter is not necessary and the built-in steering wheel vehicle electronics remains unaffected. The VEHICO Steering Robot is installed in a short time at virtually any standard test vehicle.

Due to the freely configurable CAN interface our steering robot operates together with all popular sensor systems as long as they have a CAN interface. Even reading the vehicle's CAN signals is possible without difficulties. The steering robot can be equipped with up to two independent CAN bus interfaces. All on the steering robot configured CAN channels can be displayed in real time and logged synchronously with up to 200Hz.

 

Test Procedure


VEHICO SteeringRobotCS-B P1040281 225px Even with built-in steering robot the driver can operate the vehicle as normal. The vehicle is accelerated by the driver up to the desired speed. At a suitable location on the test track, the "Sine with Dwell" maneuver is triggered. Therfore the driver takes both hands off the steering wheel and keeps pressed a security button with both hands. Only then the steering robot will be activated and continues operating until the maneuver is completed successfully, or the driver releases one of the two hand buttons. This allows a targeted manual intervention of the driver to stabilize a vehicle that tends to roll over during the maneuver.

 

Headlines

Flexibility is the most important to driving robots! VEHICO makes equipping of test vehicles easy. Thanks to the design philosophy of VEHICO robots vehicles can be equipped in the shortest possible time.

What customer say about us

"We had previously worked a lot with steering robots, but since we use a VEHICO Steering Robot, we have doubled the number of tested vehicles."

VEHICO GmbH

Buechnerstrasse 6
38118 Braunschweig
GERMANY

Phone: +49 531 20835 110
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

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