Porsche Taycan simulates eight-speed dual-clutch transmission
Image: Porsche
Porsche enhances the driving experience in its Taycan electric car series with the software-based “E-Shift” option, which adds virtual gear shifts, shift cues, and acoustic feedback. The system simulates an eight-speed dual-clutch transmission and can be operated manually or automatically via shift paddles on the steering wheel. Gear shifts are accompanied by interruptions in continuous acceleration, a tachometer positioned in the center showing up to 7500 revolutions per minute, and a specially developed sound concept.
Porsche states that E-Shift is not intended to make the Taycan faster, but rather to enhance the driver’s experience of power delivery and allow for more active control over it. The timing of gear shifts, gear selection, along with the combination of sound, acceleration, and tactile feedback, create an additional layer to the driving experience. “E-Shift brings more emotion and more feedback into the car,” says Markus Lindermeier, the person in charge of E-Shift.
The technical foundation is entirely software-based. The developers wrote seven additional shifting processes into the code and transferred the behavior of a PDK to the control units. The system takes into account factors such as reverse shifts during braking, different shifting strategies, and the typical characteristics of conventional gearboxes. “We wanted to retain the authentic driving feel without inheriting the drawbacks of a traditional gearbox,” explains Lindermeier. “For example, gear shifts can be done faster than with a conventional internal combustion engine vehicle.”
A special feature arises from the existing two-speed gearbox in the Taycan’s rear axle. Shifting from the virtual second gear to the virtual third gear corresponds to a real mechanical gear shift. In this way, E-Shift combines digital driver interaction with existing hardware.
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To enhance auditory experience, Porsche has developed an enhanced sound environment based on “Porsche Electric Sport Sound.” It adapts to virtual RPM, load conditions, and driving speed, and is delivered through the existing interior and exterior speakers with a rear-focused tuning. A new auditory experience is also provided during startup.
E-Shift is activated via a switch on the GT sports steering wheel, which allows switching between automatic and manual shift modes. When disabled, the paddles are used to adjust regen in two levels. Pulling both paddles simultaneously also activates Push-to-Pass for a short-term performance boost.
Porsche emphasizes, “Despite the simulated shifting process, the Taycan’s performance remains unchanged.” During a gear shift, the system temporarily reduces torque and then increases it again immediately afterward. As a result, the overall acceleration stays at its previous level.
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Thomas Langenbucher is an expert in electromobility with professional experience in the automotive industry and finance sector. Since 2011, he has been covering electric vehicles, sustainable technologies, and mobility solutions for ecomento.de. Learn more.
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