Let Eclipse Chariott Massage You While Driving

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SDV Community Day Lisbon – March 2023

Dr.-Ing. Sören Frey

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Mercedes-Benz Tech Innovation

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We shape the digital future of Mercedes-Benz

We are professional software engineers, product-oriented project managers, strategic partners, creative visionaries, reliable initiators, change enablers and tech innovators. We are a proud part of the Mercedes-Benz family.

​

As a wholly owned subsidiary, we develop technological innovations, digital products and advanced software solutions exclusively for Mercedes-Benz. We drive the transformation towards "100% digital" while setting new standards in the context of car connectivity and the digitalization of vehicles and sales.

Let Eclipse Chariott Massage you While Driving | SDV Community Day Lisbon - March 2023

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Mercedes-Benz Tech Innovation

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Background: Scrutinizing SDV Technologies in a Lab Environment

• Mercedes-Benz needed a test platform for validating various SDV technologies�
• Example functionalities of interest:
• Addition of new services after vehicle purchase
• Dynamic re-allocation of software components to in-vehicle hardware
• OTA�
• Make those functionalities and SDV technologies come alive �
• Early 2022: Searching for a representative example scenario

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Mercedes-Benz Tech Innovation

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Mercedes-Benz Tech Innovation

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Predefined Massage Programs

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• Multi contour seats come with adjustable integrated air chambers�
• The dynamically inflatable air chambers can produce a massage function in different intensities�
• Predefined massage programs define temporal and spatial sequences of air chamber inflation�
• Some programs offer an additional warming effect (“hot stone massage”)

Mercedes-Benz Tech Innovation

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High-Level Status Quo Architecture�Multi Contour Massage Seat (MCMS)

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• The frontend (GUI) runs on �the headunit and allows the driver to adjust the massage�
• The MCMS is controlled �by an ECU�
• Compressed air is distributed �to air chambers by �Pneumatics Control�
• The massage programs �cannot be changed �without flashing a seat‘s ECU

+ startSequence()

MassageInterface

Mercedes-Benz Tech Innovation

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The Power of Decoupling Software and Hardware

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https://group.mercedes-benz.com/dokumente/investoren/praesentationen/mbsu-os-2023-presentation-markus-schaefer-magnus-oestberg.pdf

Extraction of �massage control �logic from ECUs

Buy �Massage

New use cases

Create�Massage

Dynamic Massage

Introduction of �seat APIs

…

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PoC Extended High-Level Architecture�Pre-Eclipse Chariott

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+ requestBubble()

+ createSequence()

+ updateSequence()

+ startSequence()

+ pauseSequence()

+ stopSequence()

MassageInterface

Mercedes-Benz Tech Innovation

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Flow “Buy Massage“�Pre-Eclipse Chariott

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���Shop

1. orderMassage-� Sequence

2. deliverMassage-� Sequence

3. downloadSequence

4. downloadSequence

5. update

6. requestMassage

7. requestMassage

8. requestMassage

9. playMassage

<<ECU>>���MCMS-IF

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Evaluation of SDV Technologies

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Techniques for Upgradeable Cars�

• Enable continuous updates and upgrades of software functions
• Enable seamless relocation of functionality between vehicles and clouds
• Adopt developer-friendly tools and technologies

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Chariott Opportunities�

• Provide a service registry with lookup functionality
• Broker service-requests between providers and clients
• Provide event-streaming functionality

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Mercedes-Benz Tech Innovation

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Evaluation Setup�Pre-Eclipse Chariott

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���Massage-Mock

<<ECU>>���MCMS-IF

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Evaluation Setup�Architecture with Chariott

Let Eclipse Chariott Massage you While Driving | SDV Community Day Lisbon - March 2023

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���Massage-Mock

<<ECU>>���MCMS-IF

Chariott

Streaming

Chariott

Registry

Chariott

Brokering

IProviderService

IProviderService

Chariott-Runtime

IProviderService

IChannelService

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Evaluation Setup�Chariott in Action

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<<ECU>>���MCMS

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Code Demo

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Demo

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Conclusion

• Mercedes-Benz investigates SDV technologies in a lab environment�
• Multi contour massage seats are used as a representative example scenario�
• Extraction of massage control logic from ECUs and the introduction of seat APIs enable new use cases�
• Service registries are essential building blocks for decoupling in-vehicle SW components�
• Eclipse Chariott has proven useful and was successfully integrated in the example scenario

​

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Mercedes-Benz Tech Innovation

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Mercedes-Benz Tech Innovation GmbH�Wilhelm-Runge-Street 11, 89081 Ulm

Phone +49 731 505-06 / techinnovation@mercedes-benz.com / www.mercedes-benz-techinnovation.com�Domicile and Court Registry: Ulm / HRB-No.: 3844 / Management: Daniel Geisel (CEO), Isabelle Krautwald

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Backup

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Mercedes-Benz Tech Innovation

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Flow “Dynamic Massage“�Pre-Eclipse Chariott

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���Shop

5. requestBubble

2. requestMassageForMusic

1. requestMusicWithMassage

4. playMusic

<<ECU>>���MCMS-IF

3. requestMassageForMusic

massageSequence

6. requestBubble

n. requestBubble

…

…

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