The document describes DriveAssist, a driver assistance system for Android that uses vehicle-to-everything (V2X) communications. It provides an overview of the motivation and state of art for V2X communications and smartphone integration in vehicles. The system architecture and key functionality of DriveAssist are presented, including receiving safety messages from other vehicles and infrastructure and generating warnings to drivers. Live demos of warning scenarios are shown and future work plans to evaluate the system and improve the user interface are discussed.
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DriveAssist – A V2X-Based Driver Assistance System for Android
1. Fachgebiet Verteilte Multimodale Informationsverarbeitung
Prof. Dr. Matthias Kranz Technische Universität München
DriveAssist – A V2X-Based Driver
Assistance System for Android
Stefan Diewald, Andreas Möller, Luis Roalter and Matthias Kranz
Konstanz, September 11, 2012
Automotive HMI
Workshop at Mensch und Computer 2012
2. Fachgebiet Verteilte Multimodale Informationsverarbeitung
Prof. Dr. Matthias Kranz Technische Universität München
Outline
§ Motivation of our Solution
§ System Overview
§ DriveAssist - Functionality Overview
§ Supported Use-Cases
§ Live Demo
§ Conclusion and Future Work
11.09.2012 Dipl.-Ing. Stefan Diewald Automotive HMI 2
3. Fachgebiet Verteilte Multimodale Informationsverarbeitung
Prof. Dr. Matthias Kranz Technische Universität München
Motivation and State of the Art
• V2X-Communications
§ Goal: Increase traffic safety and driving convenience
§ In-Car-Applications and Services
§ State of the Art: e.g. radio communication concepts, GeoNetworking, data
generation concepts
• Smartphone Integration
§ Android as an economic and easily accessible platform
§ High availability of devices
§ Users are accustomed to devices and HMI
§ State of the Art: e. g. pothole/traffic sign detection, vehicle state monitoring
V2X- Driver Assistance Smartphone
Communications System Integration
11.09.2012 Dipl.-Ing. Stefan Diewald Automotive HMI 3
4. Fachgebiet Verteilte Multimodale Informationsverarbeitung
Prof. Dr. Matthias Kranz Technische Universität München
Bridge the Gap – Automotive vs. Consumer
new old obsolete
Apps
Mobile Devices
Vehicle: electronics
Vehicle: mechanical
time
11.09.2012 Dipl.-Ing. Stefan Diewald Automotive HMI 4
5. Fachgebiet Verteilte Multimodale Informationsverarbeitung
Prof. Dr. Matthias Kranz Technische Universität München
System Overview
11.09.2012 Dipl.-Ing. Stefan Diewald Automotive HMI 5
6. Fachgebiet Verteilte Multimodale Informationsverarbeitung
Prof. Dr. Matthias Kranz Technische Universität München
DriveAssist – Functionality Overview (1)
§ Reception and decoding of CAMs/DENMs (V2X)
§ Warning generation on map view or with a warning screen
§ Algorithms for complex scenarios with multiple events / participants
§ Extendable platform to support Central Traffic Services (CTS), TomTom HD
Traffic implemented (screenshots)
11.09.2012 Dipl.-Ing. Stefan Diewald Automotive HMI 6
7. Fachgebiet Verteilte Multimodale Informationsverarbeitung
Prof. Dr. Matthias Kranz Technische Universität München
DriveAssist – Functionality Overview (2)
§ Several customizable
parameters (screenshots)
§ Database support
§ Debugging options
§ Location service supporting
GPS, EGO CAM, AP/
Network and static position
11.09.2012 Dipl.-Ing. Stefan Diewald Automotive HMI 7
8. Fachgebiet Verteilte Multimodale Informationsverarbeitung
Prof. Dr. Matthias Kranz Technische Universität München
DriveAssist – Warning Screen
§ Background service running on the Android device
§ Automatically triggered, shown on top of all other applications
§ Shows distance and direction of next relevant traffic incident
§ Configurable radius of interest
§ Accompanied by text-to-speech (TTS) output
11.09.2012 Dipl.-Ing. Stefan Diewald Automotive HMI 8
9. Fachgebiet Verteilte Multimodale Informationsverarbeitung
Prof. Dr. Matthias Kranz Technische Universität München
DriveAssist – Map View
§ Overview of (nearby) traffic incidents
§ Driver awareness with configurable radius
§ Notification about new traffic incidents
§ Detailed information by tapping warning sign
11.09.2012 Dipl.-Ing. Stefan Diewald Automotive HMI 9
10. Fachgebiet Verteilte Multimodale Informationsverarbeitung
Prof. Dr. Matthias Kranz Technische Universität München
Supported Use-Cases
Signaled by DENM: Signaled by CAM:
1. Electronic Emergency Brake Lights 6. Approaching Emergency Vehicle
2. Working Area Warning
3. Stationary Vehicle Warning
4. Hazardous Location Notification
5. Traffic Jam Ahead Warning
1 2 3 4 5 6
Priority Mechanisms:
1. Moving events have higher priority than static events.
2. Events with decreasing distance to user have higher priority than
events with increasing distance.
3. Near events have higher priority than events which are further away.
Images 2, 4, 5: from http://de.wikipedia.org/wiki/Bildtafel_der_Verkehrszeichen_in_Deutschland
11.09.2012 Dipl.-Ing. Stefan Diewald Automotive HMI 10
11. Fachgebiet Verteilte Multimodale Informationsverarbeitung
Prof. Dr. Matthias Kranz Technische Universität München
Live Demo
Scenario 1
Scenario 2
11.09.2012 Dipl.-Ing. Stefan Diewald Automotive HMI 11
12. Fachgebiet Verteilte Multimodale Informationsverarbeitung
Prof. Dr. Matthias Kranz Technische Universität München
Conclusion and Outlook
§ DriveAssist as first research prototype
§ Combination of V2X communication and central traffic services:
Good operability from the beginning on, even when there are only a few
vehicles equipped with V2X
§ Active and passive awareness and warning element
Future Work:
§ Evaluation of DriveAssist: user study
§ HMI rework
§ Integration of route and map context
11.09.2012 Dipl.-Ing. Stefan Diewald Automotive HMI 12
13. Fachgebiet Verteilte Multimodale Informationsverarbeitung
Prof. Dr. Matthias Kranz Technische Universität München
DriveAssist – A V2X-Based Driver
Assistance System for Android
11.09.2012 Dipl.-Ing. Stefan Diewald Automotive HMI 13
14. Fachgebiet Verteilte Multimodale Informationsverarbeitung
Prof. Dr. Matthias Kranz Technische Universität München
Thank you for your attention!
Questions?
?
?
stefan.diewald@tum.de
www.vmi.ei.tum.de/team/stefan-diewald.html
20.09.2012 Luis Roalter 14
15. Fachgebiet Verteilte Multimodale Informationsverarbeitung
Prof. Dr. Matthias Kranz Technische Universität München
Paper Reference
• Please find the associated paper at:
https://vmi.lmt.ei.tum.de/publications/2012/DriveAssist_preprint.pdf
• Please cite this work as follows:
• Stefan Diewald, Andreas Möller, Luis Roalter, Matthias Kranz. 2012.
DriveAssist - A V2X-Based Driver Assistance System for Android
In: Automotive HMI Workshop at Mensch und Computer 2012, Konstanz,
Germany, September 2012
20.09.2012 Luis Roalter 15
16. Fachgebiet Verteilte Multimodale Informationsverarbeitung
Prof. Dr. Matthias Kranz Technische Universität München
If you use BibTex, please use the following entry
to cite this work:
@inproceedings{DBLP:conf/mc/DiewaldMRK12,
author = {Stefan Diewald and Andreas M{"o}ller and Luis Roalter and Matthias Kranz},
title = {{DriveAssist - A V2X-Based Driver Assistance System for Android}},
booktitle = {Mensch {&} Computer Workshopband},
year = {2012},
pages = {373--380},
ee = {http://dl.mensch-und-computer.de/handle/123456789/2990},
crossref = {DBLP:conf/mc/2012w},
bibsource = {DBLP, http://dblp.uni-trier.de},
}
@proceedings{DBLP:conf/mc/2012w,
editor = {Harald Reiterer and Oliver Deussen},
title = {Mensch {&} Computer 2012 - Workshopband: interaktiv informiert
- allgegenw{"a}rtig und allumfassend!? Konstanz, Germany, September 9-12, 2012},
booktitle = {Mensch {&} Computer Workshopband},
publisher = {Oldenbourg Verlag},
year = {2012},
ee = {http://dl.mensch-und-computer.de/handle/123456789/2858},
bibsource = {DBLP, http://dblp.uni-trier.de},
}
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