Intra-vehicular networks at a glance
Image of a typical car wiring harness
Automotive trends create new challenges for wiring harness
As the complexity of vehicular distributed systems increases rapidly in modern vehicles, several hundreds of devices (sensors, actuators, etc.) are being installed with wiring cables connecting these devices. In addition, with the development of electric vehicles and autonomous driving, extra electrical wiring and a multitude of hardware redundancies are all contributing to the significant weight increase of a modern vehicle. For example, the introduction of the electric powertrain alone adds about 30% more weight compared to an internal combustion engine powertrain. According to Cowen Research, the wiring harness is in fact the third-heaviest component (behind the chassis and engine) in most luxury automobiles. Any technology that reduces this weight directly contributes to fuel economy, which is one of the most important factors in bringing a competitive and successful vehicle to the market.
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