Nissan Ariya e-4ORCE: Ride comfort and handling without compromise

Faults and Technical chat for the Nissan Ariya
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Rob
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Post by Rob » Wed Jul 15, 2020 10:07 am

The twin electric motor, all-wheel-drive Ariya models will feature Nissan’s most advanced all-wheel control technology, e-4ORCE. The “e” in e-4ORCE stands for Nissan’s 100% electric motor drive system. “4ORCE” refers to the vehicle’s physical power and energy, with “4” representing all-wheel control. Born from the company’s rich history of developing memorable all-terrain vehicles and sports cars, e-4ORCE is the spiritual offspring of the Nissan GT-R's ATTESA E-TS torque split system and the Nissan Patrol’s intelligent 4X4 system.

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By specifically managing power output and braking performance for smoothness and stability, e-4ORCE enhances driver confidence by tracing the intended driving line over almost any road surface, while never needing to change driving style or input. When cornering on snow-covered roads, for example, the vehicle can faithfully trace the driver's intended line thanks to ultra-high-precision motor and brake control. With the confidence to handle such a variety of road surfaces, driving becomes more enjoyable.

Engineers fine-tuned the e-4ORCE’s precision control technology and twin electric motors to provide unparalleled ride comfort. Vehicle pitch and dive are minimised by adding regenerative rear-motor braking to the usual front-motor regenerative braking employed by typical EV and hybrid systems today.

“By taking advantage of e-4ORCE’s precise motor control response, we’re able to control vehicle motion as soon as the brakes are applied, giving all occupants – especially passengers – a stable, smooth ride,” said Ryozo Hiraku, expert leader of Nissan’s powertrain and EV engineering division.

In addition to optimising front and rear torque allocation, the system applies independent brake control at each of the four wheels to maximise the cornering force generated by each one. This delivers cornering that faithfully follows driver intentions with minimal steering adjustments.

“The Ariya’s Intelligent Power is one of the pillars that define Nissan’s DNA,” said Makoto Fukuda, development chief product specialist of the Ariya. “There is often talk about EVs and their 0-to-62mph time, but actually it’s easy for EVs to achieve good acceleration times. The Ariya is also fast in a straight line, but it provides maximum, usable performance in a wide range of driving conditions such as on a snowy mountain road or on wet city streets.”

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