eCall for Powered Two Wheeler - msf-usa.org · eCall for Powered Two Wheeler Bosch Engineering GmbH...

BEG-SC/PJ-T | 16/07/2013 | © Bosch Engineering GmbH 2013. All rights reserved, also regarding any disposal, exploitation, reproduction, editing, distribution, as well as in the event of applications for industrial property rights.

Bosch Engineering GmbH

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eCall for Powered Two Wheeler

Dipl.-Ing. Matthias Mörbe, Bosch Engineering GmbH 2013 ifz/MSF Int. Motorcycle Safety Conference Orlando/ Florida




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Agenda

•  Introduction

•  eCall example for PTW

•  Comparison eCall for cars and PTW

•  Topics for eCall for PTW

•  Description of functional principle

•  Base line for eCall severity information

•  Major work packages for eCall and conclusion

3 BEG-SC/PJ-T | 16/07/2013 | © Bosch Engineering GmbH 2013. All rights reserved, also regarding any disposal, exploitation, reproduction, editing, distribution, as well as in the event of applications for industrial property rights.



Statistical entrance Numbers from 2012: Registered motorcycles in Germany 3.982.978 First time registered 125.673 Insurance claims (full cover) 4% Sport Tourer, entry level bike, supersport (one brand reg) 17.876 Spare parts consumption thereof indicator 259

clutch lever 1.877 foot rest front 532 front fork bridge 62 rim front 44 rear frame (1540pc) 18

app. 6% need repair

Source: KBA, OEM, GDV form 2013




Short internet blog search

What do you think about eCall for motorcycles? What is your major concern?

Astonishingly dominantly positive feedback about first system on the

market!

Typical statements: Fear not to be found after an accident!

Hopefully no blind spot for Mobil communication! Better localisation possible!

How to avoid false alarm and misuse? What is the best triggering of an alarm?

Data security?

How could it be guarantied to set an alarm when it is needed?




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Agenda

•  Introduction








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eCall (IF* & P2P**)

eCall example: Sensorbox + BodySensor + Safety unit with BT & GSM & GPS

Accident! Step 1. Bosch sensor(s) system is monitoring vehicle dynamic data

Step 2. Safety unit detects accident based on detection algorithm

Step 3. Safety unit is automatically placing an eCall with needed accident / vehicle /driver status and location information.

Location Rider can trigger eCall also manually

Support & Services

Step 4. Support center analyses data & localisation

+

Movement pattern of bike and driver

à BT for voice communication to helmet (Option)


*

Step 5. Casualty gets emergency support in time

or CAN

IF=infrastructure; P2P= point to point; BT= BlueTooth




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Agenda

•  Introduction










Comparison eCall for cars and PTW Common •  rescue chain •  billing system •  national and international standards of communication •  forces to vehicle and driver are the same if they are combined •  power supply requirement •  infrastructure and business case

Uncommon •  separation of vehicle and driver •  zero speed is safe area •  sensor types •  stability criteria •  accident detection •  location (off road) •  forces to vehicle and driver after separation •  ambient noise for voice communication •  accident recognition •  crash sensors at all sides •  population and hours of use




Combination of Driver and Vehicle

Who belongs together? How to combine easily bike and rider?

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Agenda

•  Introduction










Topics for eCall

Driver identification

Billing systems,

falls alarm

Data security

OEM fitment After market

Communication voice-language

content standards

Trigger mechanism

button crash sensor

automatic algorithm

Countries Regions

Accident severity

detection

Vehicle Architecture

Sensors, power supply, cluster, ECU

Rescue chain Call centre

provider Type and detection

of accident Crash, fall down,

cornering

eCall for

Powered Two Wheeler




Workspace clusters eCall

Accident detection

Severity detection

Driver

identification

System architecture

Communication

content and transmission

Rescue chain

Call

centre

Provider

? Solutions are available!




Technical preconditions – system architecture

sensor1

sensor2

eCall – assessment and transmission unit (safety unit)

wireless wireless or bus

For after market safety unit and sensor2 are combined

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DoF= Degree of Freedom




Accidents to detect

Vehicle stands still: Driver and bike suddenly fall over and driver is trapped. Injuries to hips , knees and rips might occur. Without helmet head injuries are common. Driver is not able to activate help. Driving conditions: At all speeds driver loses control of the vehicle dynamic behaviour, driver falls off the vehicle and is injured. If bike and driver go off the road they are not visible. Crash conditions: Vehicle and driver crash into an obstacle. High deceleration values occur. In consequence severe injuries, also e.g. for a car driver being involved.


eCall for Powered Two-Wheeler


Detection of accident How can we identify an eCall relevant accident at start?

After a start of a PTW a driver has to be in an upright position and vehicle has to be in an upright and stable position. Driver and vehicle are in close contact (sit on). Driving is not mandatory.

If the vehicle is moving out of its upright position and the driver is falling into the same direction and is not coming back upright after a period of time, an accident has occurred. If the body sensor and the algorithm in the safety unit is detecting a not plausible moving pattern, an automatic eCall is started. How can we identify an eCall relevant accident at drive?

All movements of the vehicle have to follow a harmonic pattern of rotations and accelerations.

If the vehicle movement is not ending in a stable upright position, an accident has occurred. From now on, only the body sensor is relevant for the determination whether there is a need for an automatic eCall or not.

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General statement

Automatic eCall

To get a reliable information whether an accident of a powered two wheeler

has happened or not an observation and assessment

of a complete interval of incidents is necessary.




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Agenda

•  Introduction










Description of functional principle •  Every drive starts with a small zone of movements.

•  During drive all movements are harmonic and pass across a mean value

or pass back to a zero point.

•  Every accident free drive is finished in the same zone as it was started.

•  Movements of driver and vehicle are synchronized, they belong together.

•  In an accident situation movement patterns of driver and vehicle are

separated to some degree.

•  The movement pattern zone of a seriously injured person is very small.

• Severity of injury can be assessed by space size of his/her move pattern.

•  The chronological step flow of incidents is the logical basis and its

assessment lead to a release of an automatic eCall.

•  18




Functional principle – parameter space Situation driver on vehicle stable Situation accident Situation eCall

Parameter space driver 6 DOF

Parameter space for start condition final condition

Parameter space driver 6 DOF

Parameter space vehicle 6DOF

Parameter space of a person unable to move (steps of severity)

Parameter space driver 6 DOF ok or minimal injured

Drive-/driver detection

Accident detection eCall assessment

T = 0

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Agenda

•  Introduction










Baseline for eCall severity information

V m/s

T s

Point of instability or criticality

Driver

Driver location Bike location Driver location

Deceleration defines forces and position of driver and bike

Point of disconnection and speed level defines energy to be absorbed and possibility to have a voice connection

Driver location Bike location Driver location

v

T

not harmful?

harmful?

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Agenda

•  Introduction










Major work packages for eCall •  Reliable accident detection

To maximize coverage of accident detections a reliable method to detect an accident has to be developed. •  The best possible solution for severity assessment

To have the best information base for a rescue team and to avoid false alarm. •  A safety box which provides best information transmission

Transmission of data as defined in the best possible quality with maximum reliability. •  An international functional eCall chain

This eCall chain has to work in all European countries and also in very remote areas. •  A business case which generates a high penetration rate

Functional limitations have to be reduced as much as possible to gain customer acceptance.

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Conclusion

To introduce an eCall system with automatic alarm feature: •  a reliable accident detection is required;

•  a driver sensor is needed to determine the severity of the injuries;

•  a hardware with high reliability and a good transmission line is mandatory;

•  minimum of false alarms could occur;

•  an acceptable business case has to be in place;

An automatic eCall will save life's!

eCall for Powered Two Wheeler - msf-usa.org · eCall for Powered Two Wheeler Bosch Engineering GmbH...

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