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Simulation of LIN Clusters for Reducing In-Vehicle Network Development and Validation Costs
Technical Paper
2008-01-0274
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
LIN is a low-cost, low-speed vehicle communication sub-bus becoming increasingly pervasive in automotive subsystems. It is a simple, UART-based master-slave protocol designed as a low-speed supplement to a CAN or FlexRay bus. Its primary application is cabin comfort and human interface hardware such as dashboard controls, power seat harnesses, and power door/window systems. As automotive network designers attempt to reduce wiring complexity and lower system cost, modular, inexpensive sub-buses like LIN become an attractive option. This paper presents an overview of the LIN standard and its applications, and then proposes an architecture for rapid development of LIN networks via hardware simulations of LIN nodes. Using inexpensive, off-the-shelf hardware, LIN sensor and actuator applications can be tested in-place without microcode development, speeding overall network development time. This paper will present flexible methods for the modeling of slave nodes and validation techniques for optimizing master schedules. Further, this paper extends the modeling concept to CAN/FlexRay to LIN gateways and suggests an architecture for in-place, hardware-software simulation of entire LIN networks. Models of a complete LIN network can be encapsulated in software for easy integration into higher level network simulations.
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Citation
Moschella, A., "Simulation of LIN Clusters for Reducing In-Vehicle Network Development and Validation Costs," SAE Technical Paper 2008-01-0274, 2008, https://doi.org/10.4271/2008-01-0274.Also In
References
- LIN Protocol Specification, Revision 2.1 LIN Consortium 2006
- J2602/1 Standard: LIN Network for Vehicle Applications September 2005
- LIN Consortium
- LIN Conformance Test Specification LIN Consortium 2004
- Kewitz, Ruediger LIN Conformance Tests http://www.ihr.de/cms/upload/pdf/C-Test.pdf
- Vector Press Release, 2007/06/27: New Features With LIN 2.1 www.vector-informatik.de/vi_lin_21_en,,223.html
- Wolfhard, Lawrenz LIN Protocol Conformance Test SAE Technical Paper Series, No. 2005-01-1535 2005
- Schuette, Herbert Ploeger, Markus Hardware-in-the-Loop Testing of Engine Control Units - A Technical Survey SAE Technical Paper Series, No. 2007-01-0500 2007