Like a lot of Porsche’s technical innovations, PTM’s roots could be traced again to Ferdinand Porsche. The ingenious engineer laid the muse for the model’s sporty all-wheel drive as early as 1900, utilizing the means obtainable on the time. The concept, now in collection manufacturing at Porsche for nearly 40 years, has been constantly developed.
Immediately, a very highly effective drive system referred to as Porsche Traction Administration (PTM) is put in in lots of the sports activities automotive producer’s all-wheel-drive fashions. This energetic system ensures speedy distribution of drive torque between the rear and entrance axles, enhancing driving dynamics, security, traction and due to this fact delivering even better driving pleasure. In different phrases, all the pieces that constitutes the core philosophy of the model.
PTM makes optimum use of the bodily circumstances to enhance driving dynamics. Relying on the driving scenario, axle masses change. This dynamic load switch causes the tyres to transmit totally different forces relying on the axle and place throughout driving. For instance, when driving straight uphill, the rear wheels are extra closely loaded and may transmit larger forces. On this case, PTM reduces the torque transferred to the entrance axle.
How does the ePTM work?
Through the growth of the Macan Electrical, the engineers utterly reimagined the system and created the electronically managed Porsche Traction Administration (ePTM). By means of energy electronics, the 2 electrical motors of the all-wheel-drive Macan fashions are managed individually and nearly in actual time. The ePTM reacts round 5 occasions quicker than a traditional hang-on part-time all-wheel-drive system and may reply to slide inside 10 milliseconds. Moreover, the all-wheel distribution will depend on the chosen driving mode.
In Regular mode, the drive distribution is optimised for prime effectivity and vary, which means rear-wheel drive is used as typically as doable. In Sport and Sport Plus modes, the main focus of the ePTM is on optimum traction, with the entrance axle drive engaged extra ceaselessly. In Offroad mode, the Macan switches to all-wheel drive with off-road specs. On this case, a digital longitudinal lock limits the differential velocity between the entrance and rear axles, bettering traction. The trip peak can be adjusted, rising by 20 millimetres or 40 mm in particular terrain mode.
Within the Macan Turbo, Porsche Torque Vectoring Plus (PTV Plus), an electronically managed rear-axle differential lock, contributes to traction, driving stability, and lateral dynamics. Macan fashions with air suspension are typically outfitted with Porsche Lively Suspension Administration (PASM), an digital damper management system. This technique can be mixed with metal suspension.
New to PASM are dampers with two-valve know-how. Due to the expanded damper attribute map, there’s a wider spectrum of changes between consolation and efficiency settings. That is particularly noticeable when driving over tough asphalt in addition to on winding mountain roads. The latter could be taken with precision and glorious monitoring even at excessive speeds. On tough terrain, shocks and jolts are filtered in order that passengers within the electrical Macan hardly really feel them. And that’s the enchantment: the interaction of suspension methods ensures security, consolation and driving pleasure. It’s the facility of all 4 wheels – reinterpreted.
“Enter Electrical!“
The Volkswagen Group invitations you to seek out out way more about electromobility with a cross-brand communication marketing campaign. You will discover extra details about electromobility at Porsche on this Newsroom microsite.
Information
Textual content first printed within the Porsche Fahrer Particular Version: Porsche E-Efficiency.
Textual content: Wolfgang Schäffer
Pictures: Porsche AG
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