Car Technology

e-4ORCE

e-4ORCE realizes a new generation of EV driving which consists of a greater confidence in driving and a comfortable ride for all

The new electric-drive four-wheel-control technology now being developed integrates Nissan's electric propulsion and 4WD control technologies with our chassis control technology to achieve a huge leap in acceleration, cornering and braking performance on par with the latest sports cars.
The e-4ORCE offers (1) powerful, smooth high-output, (2) ride comfort for all, (3) independent brake control for top-level handling, and (4) confidence on any road surface.

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(1) Powerful, smooth high-output twin-motor drive
· Customer benefit
Drivers can benefit from the all-wheel-control system on nearly any road condition, heightening driving performance and confidence.
· Mechanism of technology
Using separate front and rear electric motors, the powertrain generates high output and torque. This output is complemented by the ultra-high-precision motor control in units of 1/10,000 of a second provided by Nissan's advanced EV technology which offers highly responsive yet uncommonly smooth acceleration. (Figure 1)

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(2) Ride comfort for all
· Customer benefit
A remaining characteristic of easy driving that is unique to Nissan's EV and e-POWER, this technology enables a comfortable ride for all passengers. When slowing down on city streets, for example, this helps keep passengers from being shaken back and forth. This reduces the potential for motion sickness and related discomfort. Similarly, on rough, bumpy roads and when accelerating, motor control is optimized to maintain ride comfort.

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· Mechanism of technology
The test car's precision control of both motors provides unparalleled ride comfort. Vehicle pitch and dive are minimized by adding regenerative rear motor braking to the usual front motor regenerative braking. When slowing down on city streets, for example, this helps keep passengers from being shaken back and forth. This reduces the potential for motion sickness and related discomfort. Similarly, on rough, bumpy roads and when accelerating, motor control is optimized to maintain ride comfort by minimizing irregular movement.

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(3) Independent brake control for top-level handling
· Customer benefit
This lets drivers enjoy cornering that faithfully follows their intentions with minimal steering.

· Mechanism of technology
In addition to optimizing front and rear torque allocation, the system applies independent brake control at each of the four wheels to maximize the cornering force generated by each tire.

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(4) Confidence on any road surface
· Customer benefit
Electric four-wheel-control technology increases driver confidence across a broad range of road conditions. When cornering on snow-covered roads, for example, the vehicle can faithfully trace the driver's intended line thanks to the ultra-high-precision motor and brake control. With the confidence to handle such a variety of road surfaces, driving becomes more enjoyable.

· Mechanism of technology
Even on slippery road conditions, the vehicle can faithfully trace the driver's intended line thanks to the ultra-high-precision motor and controlling the brakes of the four wheels individually.

* This technology is adopted from Nissan Ariya.