Through Life Capability Vetronics Systems Integration Testbed

Authors: D. Summers, J. Melentis, Dr. P. Charchalakis, Dr. E. Stipidis and Dr. F. H. Ali

Modern military vehicle electronics networks are based mainly on deterministic protocols such as MilCAN, but in the future, it is likely that they will be required to coexist with safety-related networks such as FlexRay and TTP. These protocols are used in the civilian sector for powertrain electronics and X-by-wire, and as such they will likely be seen in future generations of military vehicles. It is advantageous to allow messages from one network to propagate to the other, since it allows systems monitoring and support for operational capabilities such as Integrated Survivability (IS) and Situational Awareness (SA). However, while a MilCAN network can be extended simply by adding devices to the bus, doing the same to a safety-related network risks severely compromising its function and reducing the integrity level of the system as a whole. This paper documents the development of a vetronics networking testbed designed to investigate the safe integration of deterministic and safety-critical networks as a through life capability.

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