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27 Nov 2014/Stuttgart
AUTOSAR in Agricultural (& Construction) Machinery
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A Proud Past
John DeereFounder and President 1837 to 1886
1804 Born in Vermont
1821 Became blacksmith apprentice
1837 Built his first plow
1848 Moved business to Moline
1858 Handed leadership of company to his son, Charles
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Today’s tractors are highly automated and integrated with farm management via electronics
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John Deere Manufacturing Locations
2013 Net Sales and Revenues: $37.8 Billion
Agriculture & Turf 73.4%
Construction & Forestry 18.5%
Financial Services 6.9%
Other 1.2%
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John Deere
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Where are electronics used?
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How are electronics used?
Precision control
machine coordination
Task planning
Prescription farming
Automation
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Work site coordination
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Modern Tractor Electronic Architecture
Cab Controls Right Console
RoofControls
Ride control
Primary Display
Hydraulic Controls
RearControls
Func-AFunc-BFunc-C
Pump
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Why AUTOSAR? Business–Leverage larger supply base–Speed of development
Quality–Widely used software, improved architecture–Easier to meet Functional Safety standards (ISO 25119 and
ISO 13849)
Complexity management–Machine variants, feature proliferation–Integration of worksite solutions–Mixed systems - ISOBUS
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John Deere Electronics
Proprietary, structured but optimized
clusters, displays, and armrests
high end graphical displays
Traveling electronics – virtual terminal, GPS, rate controllers
16-bit common hardware
3rd party electronics integration for radio, ATC, …
Standard, strict architecture
AUTOSAR
file-based OS
AUTOSAR compliant when it adds business value
32-bit common hardware
same
Current Future
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AUTOSAR is part of larger vision
System level design and architecture
Model based design Simulation & Test in virtual
environment PV&V throughout
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John Deere AUTOSAR adoption approach
Phase out JD/OS and FOCUS. Move all new development to AUTOSAR
Compatibility class 3 32-bit micro common hardware Common BSW and tool set across all product
divisions Leverage suppliers for BSW, CDDs JD develops all applications (features) Drive a top-down design methodology compatible
with model based development and AUTOSAR
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AUTOSAR Architecture & Workflow
(Software Systems Engineer)
Integrate and Build Software
(Software Development
Teams)
Implement and Test Software
(Software Development Teams)
Implement and Test BSW
(AUTOSAR Infrastructure Team)
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Organization and Governance
Business Steering Team
Technical Steering Team
OS Support
Development Teams
AUTOSARInfrastructureSupport Org
AUTOSAR COP
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AUTOSAR adoption challenges
Different Tier 1 relationships
License models Legacy subsystems,
mixed systems Business case on a per
product level ISOBUS compatibility
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Common needs with passenger cars
Functional safety – autonomous driving
Security (hackers)
V2V /V2X – M2M / worksite
High speed networks
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Common needs with passenger cars
Functional safety – autonomous driving
Security (hackers)
V2V /V2X – M2M / worksite
High speed networks
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Differences from passenger cars
Open communication protocols – SAE J1939 & ISO 11783 (ISOBUS)
Need for common diagnostic protocols for mixed systems
–ISOBUS and Agricultural Electronics Foundation
Automotive is selling “creature comforts” and safety features
Ag and Construction are selling productivity and economy features
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Conclusions
AUTOSAR is an enabler in agricultural electronics for methodology changes systems engineering managing costs of infrastructure
Adoption strategy must be “tuned” to the business cannot wait for complete cost justification. fully commit to AUTOSAR discover opportunities and optimize them
Adopt standard solutions to common problems. Extend the cooperation within agricultural equipment companies.
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