STANDARD. ISO. Second edition. Passenger cars — Test track for a severe lane-change manoeuvre —. Part 2: Obstacle avoidance. PDF disclaimer. This PDF file may contain embedded typefaces. In accordance with Adobe’s licensing policy, this file may be printed or viewed. Den internationella standarden ISO gäller som svensk standard. The International Standard ISO has the status of a Swedish.
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BS ISO 3888-2:2002
The ISO and VDA lane-change test is used to evaluate the handling performance of a vehicle and is an integral part of the vehicle design procedures and vehicle assessment. Based on 3 cone lanes with a total length of 61 meters a double lane change is defined, which must be completed with maximum speed.
The ISO double lane change test consists of an entry and an exit lane and with a length of 12m and a side lane with a length of 11m. The width of the entry and side lane are dependent on the width of the vehicle, the width of the exit lane is constantly 3m wide. The lateral offset between entry and side lane is 1 m and the longitudinal offset is For the same lateral offset the side and exit lane has a slightly shorter longitudinal displacement of At the end of the entry and exit lane the velocity is measured.
The entry velocity is increased gradually. If no cones are overturned, the test is passed.
The isp of the ISO lane change test depend heavily on the skills of the test driver. The fact that the entire system of car and driver will be assessed in the test, it is very difficult to gain objective results of the test. The driver influence during the ISO lane change test can be eliminated completely by running the test automatically with a track controlled vehicle.
TRACK the test car can drive the lane change maneuver automatically.
VEHICO – ISO Lane Change Test
A human influence is eliminated completely. Both the Steering Robot and the automatic track control CO. TRACK have the ability to generate the required steering angle speed and lateral acceleration, which are necessary for a high-dynamic lane change test.
The driving robot drives through the cone lanes with a reproducibility which has no human driver. To show this, we drove the double lane change 3888- with the driving robot several times at the same speed and plotted the results.
It is clear to see that even in the critical areas of maximum lateral acceleration, the reproducibility is ensured with only a few centimeters of variation. For the first time it is possible to objectify the double lane change test and thus to achieve clear and unambiguous test results. Flexibility is the most important to driving robots!
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