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Nissan Develops Innovative Concept
Car With X-by-Wire Technology
CASCAIS, Portugal - Nissan Motor
Co., Ltd., today unveiled a new concept car called "EA2"
equipped with X-by-Wire technology.
X-by-Wire technology uses wires
and electrical impulses instead of mechanical linkages for the
control of major systems such as steering, braking and
transmission. This eliminates many restrictions in how vehicle
systems are integrated, allowing greater flexibility in vehicle
packaging. EA2 is based on the first generation Murano
Overview of X-by-Wire technology
brake-by-wire systems: By replacing conventional mechanical
linkages with by-wire technology, steering and braking
systems can be re-packaged to create more internal space
without changing the vehicle's overall length. On the EA2
concept, this has made it possible to add a third row of
seating and capacity for seven passengers. By-wire also
allows the adoption of a smaller racing-style steering wheel
that requires less steering input and can be moved to
facilitate easier ingress and egress.
The brake-by-wire system reduces
pedal travel through the use of an electrical system instead of
boosters, links and hydraulic cylinders, freeing up more
The adoption of steer-by-wire and
brake-by-wire systems has resulted in an interior length of
2,600mm - 110mm more than a conventional model.
X-by-wire also helps to reduce vehicle
weight, resulting in gains in performance, economy and emissions.
(Apr 28, 2008)