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ARA Light Rail 2016

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Light Rail Collisions: A Thing of the Past

Stephen Rudakov

Robert Bosch Australia

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Light Rail Collision Consequences

Repair

Downtime Investigation

Personal Injury Property Loss

Performance

Penalties

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Light Rail Collision Consequences

And the headline reads…

What can technology do to help?

Image: James Fettes / ABC Source: Mashable

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ARA Light Rail 2016

Automation The megatrend in mobility is automation

Automation has challenges

Evolution over revolution

What can we borrow from automotive driver assistance?

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Lane Departure Warning

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Automated Emergency Braking

How can this be adapted for light rail?

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Sensor Adaption

Automotive Light Rail

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Forward Collision Warning for Light Rail

Controller

Camera

Radar

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Forward Collision Warning for Light Rail

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Short History and Current Trials

Accidents in Hannover and Frankfurt led üstra and VGF to collaborate

Trials in both locations since early 2014, other operators also began trials in 2015

üstra system is warning only

VGF system includes predictive braking

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üstra Hannover

TW2000 rolling stock

Audible and visual warning

Plan to expand fitment in 2016

Picture: Dirk Hillbrecht CC BY-SA 2.0 de

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VGF Frankfurt

Duewag/Siemens R-wagen rolling stock

Predictive braking loops into “deadman device” and safety braking

Can be overridden within 2 seconds

Picture: www.vgf-ffm.de

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Implementation

Object

Recognition

Analysis of

Scenario

Brake

Actuation

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Implementation

Object

Recognition

Analysis of

Scenario

Brake

Actuation

!

Override

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Legality in German Trials

BOStrab §49 “Line of sight” driving

System acts in parallel to driver

Driver is fully in control (including predictive braking)

Line of sight driving is not violated

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ARA Light Rail 2016

Legality in Australia

Rail Safety National Law (SA, NSW, VIC, ACT, WA, TAS)

and Transport (Rail Safety) Act 2010 (QLD)

Up to each Accredited Rail Operator

AS 7702 Type Approval guides approval process

No legal barriers to implementation

16

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Effectiveness

Small scale trials so far -> Unable to quantify effectiveness

From the Automotive world…

IIHS: 23% reduction of rear end collisions using warning alone, 40% with automated

braking in cars*

From the Rail world…

UITP: Possible braking distance reduction by 20% to 40% in light rail**

Potential payback period as little as two years***

* http://www.iihs.org/iihs/news/desktopnews/crashes-avoided-front-crash-prevention-slashes-police-reported-rear-end-crashes

** Stephan Lewisch, leader of the UITP group on safety in light rail

*** “Looking Ahead” Stuart Marsh, Rail Engineer – Issue 134

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Further Development – Pedestrian/Cyclist Detection

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Possible Future Development - Surround View

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Possible Future Development - Pedestrian Safety

Picture: Volvo / caradvice.com.au

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Light rail collisions impact cost, safety and punctuality

Technical evolution over revolution is the key to achieving cost effective automation

Existing automotive technology can provide evolutionary steps

Systems exist and trials are already underway

Research is promising and outcomes are imminent

Light rail collisions are therefore a thing of the past

So what we have learnt?

Questions?

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