Page 21 - ATZ WORLDWIDE
P. 21
This kind of ACC system behaviour is Highly interesting insights on how REFERENCES
relatively balanced, without important customers perceive an optimal design in [1] List, H.; Schoeggl, P.: Objective Evaluation of
weaknesses. It is less likely to cause cus- terms of comfort and perceived safety Vehicle Driveability. SAE Technical Paper, 1998,
DOI: 10.4271/980204
tomer complaints. Although this system can be gained in order to integrate these [2] Schoeggl, P.; Ramschak, E.: Vehicle Driveability
behaviour is quite good there are some findings in future ADAS development to Assessment using Neural Networks for Develop-
areas that should be optimised to better rise the maturation level of such sys- ment, Calibration and Quality Test. SAE Technical
satisfy customers expectations. tems. But there are also regional differ- Paper, 2000, DOI: 10.4271/2000-01-0702
[3] Zehetner, J.; Schöggl, P.; Dank, M.; Meitz, K.:
ences on how a system should behave. Simulation of Driveability in Real-time. SAE Techni-
The new AVL-Drive module for cal Paper, DOI: 10.4271/2009-01-1372
CONCLUSION
assessing and validating ADAS func- [4] Holzinger, J.; Schoeggl, P.; Schrauf, M.; Bogner,
The presented paper outlines a new meth- tions enables one consistent develop- E.: Objective assessment of driveability while auto-
mated driving. In: ATZworldwide 116 (2014), No. 12,
odology for objective drivability ratings of ment process from HiL or complete test- pp. 24-29
ADAS. Therefore the well-established bed setups to on-the-road-testing and [5] Mai, M.; Wang, L.; Helmer, T.; Prokop, G.:
AVL-Drive system for longitudinal driva- can be applied to all current as well as Numerical driver behaviour model for stochastic
traffic simulation for the evaluation of driver assis-
bility issues has been enhanced with coming OEM models to achieve better tance systems and automated driving functions.
environment recognition sensors such as customer acceptance for future auto- 7 th Congress on Driver Assistance Systems, Munich
radar and a lane detection camera. Fur- matic transport solutions. Vast amounts (Germany), 2015
thermore novel driving operation modes, of measurement data can be processed
to describe and objectively evaluate par- in a very time efficient manner. Only
tial or fully automatic driving, have been the relevant events, to describe auto-
defined and developed which are detected mated driving and its various physical
automatically by AVL-Drive. To define parameters, are considered. As a result
and develop these grade-related ratings, meaningful rating criteria on how well
criteria and functions a comprehensive the ADAS under investigation is per-
study on subjective perception of driver forming, with regards to driving com-
assistance systems by humans, regular fort and perceived safety of the car
customers as well as professional drivers, occupants, can be obtained. This
was performed. Hence, multi-dimensional improves and accelerates the commu-
correlation formulas for defined assess- nication process between the engineer-
ment criteria could be derived. ing departments and the management.
FIGURE 1 ACC system behaviour of vehicle 20 (green line) in ACC scatter
band (= minimum and maximum assessments of all vehicles) and average
values (red line); rating 3 = bad, rating 10 = very fine (© AVL)
ATZ worldwide 09|2017 19