VSC-A presentation - ISO TC204 Standards Workshop Sept 08 JBK.ppt

Vehicle Safety Communications -

Applications (VSC-A)

John B. KenneyToyota InfoTechnology Center

[email protected]

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VSC-A Project 3 year project - December 2006 to December 2009 Collaborative effort between 5 OEMs (Daimler, Ford, GM,

Honda & Toyota) and US DOT Goal: Determine if DSRC @5.9 GHz & vehicle positioning can

improve upon autonomous vehicle-based safety systems and/or enable new communication-based safety applications

Follow-on project to CAMP/DOT VSC I (2002-2004) project and CAMP internal Emergency Electronic Brake Lights (EEBL) project

Strong emphasis on resolving current communication and vehicle positioning issues so that interoperable future deployment of DSRC+Positioning based safety systems will be enabled

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VSC I 2002 - 2004

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VSC-A Main Objectives Develop scalable, common vehicle safety

communication architecture, protocols, and messaging framework necessary to achieve interoperability and cohesiveness among different vehicle manufacturers Standardize this messaging framework and the communication

protocols (including message sets) to facilitate future deployment

Develop accurate and commercially feasible relative vehicle positioning technology needed, in conjunction with the 5.9 GHz DSRC, to support most of the safety applications with high potential benefits

Develop and verify (on VSC-A system test bed) a set of objective test procedures for the selected vehicle safety communications applications

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Level I test bedimplementation

20092008 2007

VSC-A Research Activities and Timeline

Crash scenarios& safety apps. selection

DSRC+Positioning safety system conops, requirements and minimum perf. specs.

DSRC+Positioning and autonomous Sensing safety system analysis

Objective test procedures development

Coordination with standards development activities and other USDOT programsSAE, IEEE DSRC, CICAS-V, VII, Europe Car2Car, Japan ASV

System testing and objective test procedures

Benefit analysis support to USDOT, Volpe & Noblis

Level II test bedimplementation

June 2008April 2009

Relative vehicle positioning development

Message composition, standardization, security and communication protocols

Vehicle safety system test bedSystem design, algorithms (path prediction, threat, warning) & in-vehicle integration

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VSC-A Test Bed System DevelopmentMapping of applications to crash scenarios

V2V Safety Applications Crash Scenarios

EEBL FCW BSW LCW DNPW IMA CLW

1 Lead Vehicle Stopped

2 Control Loss without Prior Vehicle Action

3 Vehicle(s) Turning at Non-Signalized Junctions

4 Straight Crossing Paths at Non-Signalized Junctions

5 Lead Vehicle Decelerating

6 Vehicle(s) Not Making a Maneuver – Opposite Direction

7 Vehicle(s) Changing Lanes – Same Direction

8 LTAP/OD at Non-Signalized Junctions

EEBL: Emergency Electronic Brake LightsFCW: Forward Collision WarningBSW: Blind Spot WarningLCW: Lane Change WarningIMA: Intersection Movement AssistDNPW: Do Not Pass Warning

Note: Crash Scenario reference: “VSC-A Applications_NHTSA-CAMP Comparison v2” document, USDOT, May 2 2007. Selected based on 2004 General Estimates System (GES) data and Top Composite Ranking (High Freq., High Cost and High Functional Years lost).

Common blocks (minimum)

Common blocks (additional)

OEM specific or proprietary blocks

LegendVehicle Sensors (Non Production)

DVI Notifier

EngineeringDVI

Vehicle CAN Vehicle Signals (Production)

OBEThreat Arbitration

VehicleCAN to OBE Interface

DSRC Radio

Target Classification

Sensor Data Handler

WirelessMessage Handler

Host VehiclePath Prediction

Path History

V-V Safety Applications

EEBL BSW+LCW DNPWIMA FCW CLW

Security

A

A

CAN CAN ENET

Data Logger & Visualization Tools

Cameras / Audio in

Display

Data Logger

[From otherModules]

Eng. GUI

GPSunit

Serial

ENET

VGA

VSC-A System Test Bed (Level I)

ENET

Relative Positioning

Platform

CICAS-V

OTA messages

Common blocks (minimum)

Common blocks (additional)

OEM specific or proprietary blocks

LegendVehicle Sensors (Non Production)

DVI Notifier

EngineeringDVI

Vehicle CAN Vehicle Signals (Production)

OBEThreat Arbitration

VehicleCAN to OBE Interface

DSRC Radios (2)

Target Classification

Sensor Data Handler

WirelessMessage Handler

Host VehiclePath Prediction

Path History

V-V Safety Applications

EEBL BSW+LCW DNPWIMA FCW CLW

Security

A

A

CAN

CAN

ENET

Data Logger & Visualization Tools

Cameras / Audio in

Display

Data Logger

[From otherModules]

Eng. GUI

GPSunit

Serial

ENET

VGA

VSC-A System Test Bed (Level II)

ENET

Relative Positioning

Platform

CICAS-V

Forward LookingCamera System

(LDW)

CAN

OTA messages

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Level I Over-the-Air (OTA) Message Format Draft

Part I conforms to current draft J2735 Basic Safety Message (BSM).

Fields after Part I are to potentially be added to Part II of BSM.

VSC-A DSRC Common Safety Message

Content

Part ISAE J2735 Basic Safety Message - Part I (position, motion, control, veh.

size)

Part II

Vehicle Event Object (hard braking, control loss, etc.)

Message Sequence Number Object

Vehicle Path History Object

Vehicle Path Prediction Object

Relative Positioning RTCM 1002 data

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Current Program Activities and Status

System Test Bed Development May 2008: Level I Implementation with core modules (Path Prediction,

Path History and Target Classification) ready for engineering tests June 2008: All six V2V Safety Applications integrated and ready for

engineering tests August 2008: CICAS-V application integration

Communications and Standards Level I Development message set (flexible data elements) based on

SAE standard J2735 (VSC I) and implemented as part of Level I test bed

Security: Three candidate protocols to enhance current standard (1609.2) to be evaluated in 2008. HW & SW implementation of all 3 protocols planned for Level I Test Bed

IEEE 802.11 Task Group P (WAVE lower layers) Completed successful Letter Ballot May 3, 2008

Vehicle Relative Positioning Currently evaluating benefits of sharing GPS raw information over

DSRC link

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Future Work Level I Refinements

Safety Applications refinements OTA message optimization (minimize OTA size while supporting

safety applications needs)

Level II Design and Implementation Dual Radio Capability (Channel 172 usage) Power Control Testing (high and low power) Message Dissemination Protocols (use power, rate, and other

controls to mitigate network congestion and improve message delivery)

Vehicle Relative Positioning

Integration of Forward Looking camera system to analyze potential improvements of V2V relative positioning

Standards Participation Continue active involvement and contributions to

establish/finalize standards (SAE and IEEE DSRC WAVE) to facilitate future potential deployment

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Thank You