Steer by Wire systems remove the need of a mechanical connection between the governing unit (steering wheel) and the actuated element (steered wheel). With respect to traditional steering systems, SbW systems replace complex mechanical and/or hydraulic components with simple mechatronic components that enable programmable steering features, enhancements in cab design, ergonomics and safety, plus advantages in simplified assembly, all at a cost comparable to traditional systems. The objective of this article is to show how the idea of passive SBW system can be translated into an actual device ready for vehicle applications. To fulfill this aim, functional schemes, mechanical and mechatronic structure and some data about obtainable performance are presented.

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