Page - II - in Integration of Advanced Driver Assistance Systems on Full-Vehicle Level - Parametrization of an Adaptive Cruise Control System Based on Test Drives
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List of Figures
3.2. Measurements for manoeuvre“Approach on slower moving target in the
same lane”, adapted from [Hol12] and [BHLSE13] . . . . . . . . . . . . . . 42
4.1. Coordinate systems for the measurements . . . . . . . . . . . . . . . . . . 46
4.2. Schematic measurement setup . . . . . . . . . . . . . . . . . . . . . . . . . 47
4.3. Weight functionswβA andwβˆ for the combined side slip angleβ . . . . . 50
4.4. Comparison of observer results and measurements . . . . . . . . . . . . . 52
4.5. Test route . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
4.6. (a) Combined longitudinal and lateral accelerations and (b) velocity dis-
tribution for the measurements of the basic and the proband studies . . . 54
5.1. Coordinate systems at all four wheels of the vehicle . . . . . . . . . . . . . 57
5.2. Estimated trajectories using a parabola, a circle, a linear STM and the
measured path at the initial time tk and at time tk+ i∆t . . . . . . . . . 60
5.3. Steering wheel angle δSW and steering wheel velocity δ˙SW measurements
and predicted values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
5.4. Natural coordinates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
5.5. Calculation of natural coordinates . . . . . . . . . . . . . . . . . . . . . . 66
5.6. (a)Specialcaseofeq. (5.39)and(b)non-constantpathwidthbas function
of s, as described in eq. (5.41) . . . . . . . . . . . . . . . . . . . . . . . . . 68
5.7. PriorityP (s,u) of eq. (5.43) for parametersP0 = 1,PL= 0.7 andPb=
0.01 for the two cases (a)n= 2 and (b)n= 8 . . . . . . . . . . . . . . . . 69
5.8. Situation with two objects . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
6.1. Platoon of vehicles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
6.2. Simulations for a platoon of 24 vehicles with the parameters (a)P4 = 1
1.5
andP3 = 2.5 and (b)P3 = 0.25 andP4 = 0.2 . . . . . . . . . . . . . . . . 74
6.3. Comparison of the segmented controllers proposed in [WDS09] and eq. (6.9) 75
6.4. Steps in parameter identification . . . . . . . . . . . . . . . . . . . . . . . 75
6.5. Example of an incorrectly identified standstill situation . . . . . . . . . . 76
6.6. Histogram for filtered and unfiltered s0 . . . . . . . . . . . . . . . . . . . . 77
6.7. Projection of an object onto the human retina, adapted from [FBE01] . . 78
6.8. Measured distances srOTF over vehicle velocity vvx for the constant fol-
lowing scenario and identified distance law sset according to eq. (2.22) . . 79
6.9. Transformation rule for either upper or lower bounds or both upper and
lower bounds ofPi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
6.10.Parameter histories for the executed iteration steps . . . . . . . . . . . . . 83
6.11.Simulations for a platoon of 100 vehicles with the parameters listed in
eq. (6.31) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
6.12.Comparison of measurements and simulation with parameters of eq. (6.31) 86
6.13.Comparison of measurements of an ACC-equipped vehicle and simulation
with parameters of eq. (6.31) . . . . . . . . . . . . . . . . . . . . . . . . . 87
B.1. Single-Track Model, [HW10] . . . . . . . . . . . . . . . . . . . . . . . . . . 98
II
Integration of Advanced Driver Assistance Systems on Full-Vehicle Level
Parametrization of an Adaptive Cruise Control System Based on Test Drives
- Title
- Integration of Advanced Driver Assistance Systems on Full-Vehicle Level
- Subtitle
- Parametrization of an Adaptive Cruise Control System Based on Test Drives
- Author
- Stefan Bernsteiner
- Publisher
- Verlag der Technischen Universität Graz
- Location
- Graz
- Date
- 2016
- Language
- English
- License
- CC BY 4.0
- ISBN
- 978-3-85125-469-3
- Size
- 21.0 x 29.7 cm
- Pages
- 148
- Category
- Technik